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Патент USA US2383228

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¿Aúvg. 2_1, 1,945.
AL RWT’HOMPSÍCSN ET Al.
¿383228
M‘ETHOD AND APPARATUS FOR PREPAR'ING` ASVPARAGUS OR THE LIKE
` ALBERT A), _THÓMPSo/y
'fe/@HARD D, FOX
'
'
Àug. 21,1945.
A. vR. THOMPSON ET AL
2,383,228
METHOD AND APPARATUS FOR PREPARING ASPARAGUS OR THE LIKE
Filed Jan. 13, 1941
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À, R. THoMPsoN ET AL
2,383,228
METHOD AND ÁPPKARATU‘S FOR PREPARING ASPARAGUS 0R THE LIKE
Filed Jan. 13, 1941
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„ A. R. THOMPSON ET AL
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METHOD ANDV‘APPARATUS `FIOR PREPARING ASPARÀG‘US` 0R THE LIKE
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ALBERT, A?. THOMAS-0N
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Aug. 2l, 1945.
L A_R. THOMPSON jE'rAL'
2,383,228
METHOD AND' APPARATUS-FOR PREPARING ASPARAGUS OR THE LIKE
Filed Jan. 1_3',4 1941
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9 sheets-'sheet s
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4A|.1g.4«21, 1945. "
A; R. THOMPSON- ETAL
2,333,228
METHOD lAND APPARATÚS FOR PREPARING `A_sP'ARAmJs V0R THE LIKE
Filed Jan. 13 ;' 1941l
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-Aug.` 2l,- 1945i.
A. R. THOMPSON ErAx..-
2,383,228 ‘_
` METHOD A_ND APPARATUS FOR PREPARING ASPARAQUS v0R THE LIKE
'l Filed Jan. 13. 194i
9 Sheets-'Sheet 8
Aug. 21,1945.
A R. THOMPSON ET AL
2,333,228 `
METHOD AND APPARATUS FOB. PREPARING ASP’ARAGUS OR THE LIKE
Filed Jan. 13, 1941
9 sheets-_sheet 9
Patented Aug. 21, 1945
„
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:t-»VUNI'TED >Sfrßrrßs PATENT' OFFICE f
. Y METHOD AND ArPARA'rUsFoR PREPARING
r
l
AsPARAGUs on THE LIKE „ ,
»
`Albert R. Thompson, Los Gatos, and Richard D. » `
‘
Fox, San Jose, Calif., assignors to Food Ma
chinery Corporation,
San Jose, Calif., a> corpo- l
ration of Delaware
Application January `13, ‘19411. serial Ne. 3747,26
ss'claims.
(01.146-81) r
l .The present invention relates to a method and
apparatus for preparing vegetables such as as
paragus or the like previous to canning orÍother>
processing of the same.
.
l
`
`
brokenaxvay.v
Fig. 13 is an "enlarged
`
View'
' , of
. ’ .a portion
.
of the
sizing and cutting mechanism taken along lines
,
|3---|3‘ofFig. 11.
An object of the present invention is to `provide
a method `of sizing asparagus to separate `the
same into various grades.`
__
p
`
n
-.
away.
‘
‘
"
"
‘
`
.
'
>`
n
-`-
l Fig. 15 is a perspective view‘of one oi the turn
10
various grades l of predetermined thickness and
l
`
M-Ill of Fig. 11, certainportionsbeing’broken
`
and cutting asparagus toseparate the same‘into
l
"
Fig. 14 is a transverse section `.taken along lines
Another object is to provide a method of sizing
length.
`
along lines |2---I2jthereof, certain‘portions being
chutes and its associated `parts employed? in< the
machine of `the prêscnt invention.
n ‘
"
Fig. 16 is a longitudinal Asecticn‘of 4a volition
A
‘Another object is to provide an improved ap»
of the cutting and sizing mechanism of 'the ma?
chine, ltaken along line IB-IE of Fig". '12 and illus
« paratus for cutting and „sizing asparagus .or the
trat-ing primarily the ,constrnction and arrange
ment of the,` gradingfknives and their associated
like in an efiicient and speedy manner.V
Another ob-iect is to provide' an‘apparatus for
sizing‘asparagus to separate the same into var
parts.`
‘
,
"l
l
a
l'
‘l
ious grades and for cutting each grade into sec- .
. Fig. `1’7` is a section through a portion“ of the
machine taken alonglinesi'l-H of Fig. .12,
tions of predetermined length.
.
l `Another object is to provide an apparatus for 20
Fig. 18 is a transverse‘section‘¿ofthe portion
of the machine shown.inFig`;_"16, ‘the‘view Vloeing
cutting asparagus and for separating the same
`into various grades incident to `the `cutting
thereof.
'
‘l‘
`
`
-M'
l
` taken along lines lß-.À-l lßthereof.`
_`
` - _ .i
. Fig. 19 is‘a section taken'along lines IST-19
'
Another object is to provide an` apparatus for
` Fig. 20
13.is a` section
„ .taken
QQ. alongnl‘li‘nes
„a ,
2ML-»211 of
'separating asparagus of -diiferent thickness into 25' ofFig.
Fig. 13,`il1u~strating`.a pair‘yof cutting `knives and
various grades andfor cutting the asparagus into
their. lassociated mechanismen ladjust‘mg the
predetermined length Iincident to the ‘ sizing
same.
Fig. .21 is
_, `a transverse
ì.
section
_`.
through
_ ` one
. set
Other and further objects and advantages of
the present invention will become apparent from 30 `of `discharge rolls employed inthe machine," the
section‘being taken along lines 2I-2l of Figslß.
the foregoing description taken in connection
a Fig.` 22` is a `section talgen‘ along ,lines 22-122
with the accompanying drawings,` in whichf `
n Figs.' f1 and 2 are side views of thernachineof
o`f1i‘ig’.16.„`
In general, f the machine
.d of y ¿the present
` n ‘ lnven
a
the present invention. Fig. 2 is lthe‘continuation
35 `tion (see Figs.` 1 and 2) . consistsgof a feed tablewß.,
of Fig. 1 at the right hand side thereof. '
an inspection table‘B, and acutting and sizing
Fig. 3 is a plan View of a portion of the machine
shown inFig. l illustrating the feed' table and
mechanism C'.
.
.
4`
‘
‘
`
IThe fresh asparagus delivered from the field
is iirst cleaned anda-thereafter deposited upon the
takenalong lines 6_4 of Fig.` 3, >certain portions 40 feedV table A1 cf the machine. whicn functions to
separate the individual spears of` theyasparagus,
being broken away.
"
`
,
`
n
to position'the sarneÍparallel with respect to each
. l Fig. 5` illustrates a transverse section of Fis. `3
a portion of the inspection table thereof.
a
Fig. 4 is a longitudinal section of the feed table
‘
taken `along lines 5--5 thereof.
‘ "
lother l'andto advancethe spears toward the in
`
Fig, 6 isa planA view of the inspection table of .
the machine together with portions of the feed
t'alole andthe cutting and sizing mechanism
spection table BQ Atthe Sametime, the ñower
45
ends of the spearspf asparagus are roughly
aligned and placedinto a predetermined 4"position
with respect to themachine.
`
"
transferred from
thereof, `certain portions being broken away.
'
, Fig.. '7 is a longitudinal section taken along
_` Thereupon ,thea asparagus is
`‘lines 1-1 of Fig. 6.
the `same is inspected and undesired or imper
Fig. 8 is a plan view» of the sizing and cutting
mechanism, and a portion of the inspection table
`of the machine.
»
.
i
.
Fig. 9 Vis a transverse section taken along lines
9.-;:9 of Fig. 8. .
10 is a perspective View of a portion of
the sizing` and cutting mechanism.
a
`
i
Fig. 11 is alongitudinal section of A‘the cutting
`and Asizing mechanism of .the machine taken along
Vlines lln-Il of Fig. 8.
`
' .` .
‘
Fig. 12 is a ltransverse section of Figs tagen
the feed tame A` to ,the inspection table ß where
fect spears; are manually removed; This inspec
tion table ‘functionsfto advance the asparagus
from the feed table `to the> cutting and sizing
mechanism of the machine and performs an `ad
ditional or'final alignme `t of lthe flower ends
ofthe spears of asparagus with respect Äto the
machine.
`
„Y
Í
a
.
y.
The aligned and properly ¿positioned spears
are subsequently delivered to the cutting and
¿sizing mechanism C of the machine, Wherethey
2..
2,383,228
are sized according to their thickness into sev
eral grades and cut `into desired» lengths as re
quired'for different packs such as long asparagus,
tips or center cuts.
Subsequent to the sizing and cutting of the>
intermediate the legs l2 and secured to the same
`is a supporting bracket y12 `upon which- an elec
tric motor 13`is mounted. The electric motor 13
is provided with a gear reduction mechanism 14
comprising a drive shaft 16 provided with `a
asparagus the various grades and cuts thereof -
sprocket _Wheel 11 keyed thereto.
aire separately collected and discharged from,y
Trained
around the sprocket wheels 11 and 69 is an end
the machine and are ready to be blanched and"
less
sprocket chain 18 so that upon operation of
packed into cans for further pro'cessingof the»
the motor 13 shaft 68 and sprocket wheels 69,
Same.
10 T8 4and 1| will be rotated inthe direction as in
Referring now to the specific construction "ofA
dicated in Fig. l.
`
the machine of the present invention,` and
especially to Figures 1 to 9, 11, l2vandv14, | desig-`
nates the frame structure of the machine, which
comprises frame units 2, 3 and 4 ofi the feed
»Trained
table- A, inspection table B,. and cutting and
sizing mechanism C', respectively. The frame
verse frame members 8, 9, front legs || and rear
.
Theframe unit 3 of the. inspection table B
comprises longitudinal members I6, I1, trans
verseframe members |8,'. and supporting legs I9
(see Figs. i1, 2, 6 and '1). The longitudinal
frame members |6 and I1 of the frame unit 3 of
the inspection table B are secured at their front
ends tothe frame unit 2 of the feedtable A and
form an integral structure with the same (see
Fig. 1).
y
The frame unit` 4 of the cutting and sizing
mechanism C of the machine comprises a plu
' rality of supporting legs- 2|, 22, 23 and 2'4 be
tween Which longitudinal frame members 26, 21,
28,` .29, 38 and transverseframe members 3|,4 32
and 33 are mounted.
Rotatably mountedwithin bearings 36 and 31
the 4 sprocket
wheels
4|,
common` direction
indicated by arrows in.
Fig. 4. Secured to the horizontal frame member
unit 2 of the feed table A of the machine con
sists of longitudinal frame members 6, 1, trans
legs | 2.
around
sprocketîwheel 53 and 18 is an »endless sprocket
chain 19 (see Fig. 1) so that upon rotation of
the shaft 68 and sprocket wheel 18 the feed rolls
39 and transferv rolls 51| and 52 are rotated in a
2.9
lil b-y means 'of cap screws 8| isa cover plate 82
which also functions as a guide ‘plate adapted to
retainthe sprocket chain 19 in proper engagef
ment with the sprocket wheels 4| and 53.
'
Positioned intermediate the feed rolls r394 and
thef horizontal frame member 1 isl a gauge bar.
86 which is- closely spaced with> respect- to -the
free ends of the feed rolls 39 and extends in
vertical direction a `considerable distance above
the feed bed formed by the feed» rolls ofthe
machine.
‘ 'bar 86 is providedatïits »
'I‘he gauge
free ends -with brackets 81 and 88 slidablyî sup
ported upon supporting plates 89'and 9| secured
to the horizontal frame member 1 in any'con‘
venient manner.
The brackets 81 and 88 are
provided with guide slots.V 92 and 93 which are
angularly disposed with respect` to the frame
member 1. The guide slot 92.is `arranged -at a
positioned within the horizontal frame mem
greater angle with respect tothe frame member
the feed table of the machine `and the rolls are
closely spaced. with respect to each other so as
with respect to the guide plates 89 and 9|.. The
toeach other, so that vegetable receiving valleys ¿
Rotatably mounted.v within a bearing |8| se
cured to the horizontal frame member 1 is a
1 than the guide slot 93 (see Fig. 3). Positioned
bers 6 and 1 of the frame unit 2 are shafts 38
provided with feed» rolls -39 fixed to the same for .4o `within'the guide slots 92 and 93~ and threadedly
rotation therewith. 'I'he shaftsss and feed tous ‘l secured to the supporting plates 89 and 9|.- are
cap screws 94 provided with washers 96 for main
39 extend transversely ofy the frame unit 2 of
taining'the brackets 81 and 88 in proper position `
to'form acontinuous feed table over which the . Í cap screws 94 are provided with a shoulder91
adjacent the supporting plates 89 and 9| (see
asparagus is advanced toward> the inspection
Fig. 5) so that the cap- screws may be `securely
table‘B in a manner as will be described later on.
attached to the, supporting plates 89 and 9| with
Each of the transverse shafts 38 is provided
outtightening the brackets 81 and 88 against
with asprocket wheel 4| keyed thereto for rota
>tion therewith, while retaining collars 42 and ,~' the same, whereby a free sliding engagement of
the brackets 81'and 88 with the supporting plates
43 are employed for maintaining the shafts> 38
89 and 9| is maintained and the, brackets '81
in proper position within‘the frame structure 2
and 88 are properlyguided by the cap screws 94
_of the machine. ,The feed roll shafts 38 and
during their movement relative to the same.
feed rolls 39 are positioned parallel with'respect
are formed betweeny adjacentrolls 39 (see Fig. 4).
shaft |82 provided with a crank disc |83 and
crankpin
|84. Secured to the gauge bar 8_6 in
to. form a feed table of gradually reducing’width
termediate the brackets 81 and 88 by means-.of
from the charge end 44 Ithereof toward the dis
`a ñange |86 is a pivot pin |81 and pivotally yse
charge end 46 of the same.
r .
60
cured to the same and the crank pin |84 is a
Rotatably mounted within bearings 41 and 48
The feed rolls 39 are of diiferent lengths so as
of the horizontal framemembers 6 and 1 at the
discharge end .46 of theA feed table A is a shaft
49 provided with transfer rolls 5| and 52 fixed
thereto._ Keyed to .the shaft 49 is’funther a
sprocket wheel 45,3 (see Fig. 5), while retaining
collars 54 and 56 are employed for maintaining
the shaft 49 in proper position within the frame
structure I of the machine.
.
.
r
y
V
`pitman |88. Retaining nuts> |89 and ||| thread
edly secured to the pivot pin |81 and crank pin
|84,y respectively,y are'provided for maintaining
the pitman |88 in proper engagement with the
65 pin |81 and vcrank pin |84.
'
Keyed to the shaft |82 is >a sprocket Wheel
||2- and trained around the samegand the
sprocket. wheel 1|, previously referred to, is an
endless sprocket chain || 3 (see Fig. 1)v so that
Fixed to the legs ¿l2 ofthe framer structure 2 70 > ,upon
rotation of >the shaft 68 shaft |82, crank
are bearings 66 and 61, and -rotatably mounted
disc |83 and crank pin> |84 are operated’ to cause
therein-and extending transversely across the»
reciprocation of the pitman | 88 and gauge bar 86.
frame structure I is a drive shaft 68 'provided
v Incident to reciprocation of the gauge bar 86
with sprocket wheels 69,18 and 1|, which are
'keyed thereto for rotation therewith. Positioned.
75 in longitudinal directions with respectçto the `
frame structure 2 and feed rolls 39 of the ma
3
2,383,228
wheel |36 (see Fig. v12). -Retaining collars' |31
chine, a transverse reciprocation of ‘the bar 86
will be effected due to the camming action be
g tween the cap screws '94 and the slots 92 and 93
of the brackets 81 and 88. Due to the difference
and |38 ñxed _to the shaft` |3| adjacent the idler
-sprocket‘wheel |,36‘are provided for maintaining
the latter in proper position upon said shaft.
‘Secured to the rear legs 24 of the frame unit
slot 92 and‘slot 93 the transverse `reciprocation
4 of the'machine are bearings |5I within which
of the bar 86 will be larger at the feed end 44 of
a transverse shaft |52 is rotatably mounted.
the feed table A `than at the discharge end 46
This `shaft carries a sprocket wheel |53 keyed
thereto (see Figs. 2 and 11) `While idler sprocket
„ From the above it` will thereforebe seen that 10 wheels |54 and> |56 are fixed upo-n‘shafts |51 and
upon operation of the motor 13 the feed rolls
|58`rotatab1y „mounted within bearings |59 and
|6|.«respectively. `The bearings |59 are secured
39 and transfer rolls 5| and 52 are rotated in a
tothe `lower portion of the‘ rear legs 24 while
common direction, i. fe. in the direction of the
arrows shown in Fig. 4, and the gauge bar 86 is
the bearings I6|- are secured to the lower portion
in the angular position between the longitudinal
reciprocated in longitudinal and transverse direc
of the legs 22 (see Fig. 2).`
tions, so that when a bunch of asparagus is placed
upon the chargeïend of the feed table A with‘the
" Trained around the sprocket wheels |26, |53,
|54 and |56 is an endless nat-top metal chain |62,
the upper run |62a of which is adapted to slide
along the upper surface of the table I2| with the
i
‘
,
’
spears thereof substantially parallel to the feed
rolls `39 and the ñower ends facing the gauge
bar 86, the individual spears of the asparagus 20 bearing portions |63 of the links ofthe chain
are separated "and drop into the valley portions
traveling within >the guide slot|22 of the table.
formed between the feed rolls 39 so that they
I2I so that the chain is properly guided during
are positioned’ parallel with respect to the feed
itsA travel along the upper surface ofthe table I2 I.
`rolls and advanced in such position from‘the
The `edges ofthe guide Slot |22 of the table |2|
charge end 44 toward the discharge end 46 of
may , be preferably re-enforced With flat iron
the feed‘table A.
,
strips `>|64 (see Fig. 6) so as to reduce the wear
`
The conveyor formed by the feed rolls 39 is
`preferably of the‘well-known type in which the
rolls are so proportioned, spaced and driven that
the asparagus is caused to advance' only under
the urge of additional asparagus delivered to the
rolls. `In other words, the arrangement is such
that the tractive effect of- the rolls on a single
stalk of asparagus resting in the valley between
between thetable |2| and the flat top chain |62.
Trained around the‘pulleys |21, |33 and |28, |34
are endless rubber conveyor belts |66 and |61, re
spectively. 'I‘he upper runs of the conveyor belts
|66 and |61 are adapted to travel along the upper
surface‘of vthe tab1ej|2| which functions to sup
port and maintain the same in proper horizontal
position.
them is insui'licient to automatically advance the i.
stalk into the next valley. but the weight or
crowding action of a second stalk delivered into
the valley so increases the traction on the first
stalk as to cause it to be displaced or crowded
over the forward‘roll of the valley into the next
succeeding valley. By this arrangement the Irate
'
i The upper run of the ñat top chain; |62 inter
mediatefthei‘table |2| and sprocket _wheel |53 is`
supported by means of a chain guide 19| which
consists of an angle‘ironrl 92 secured to the legs‘2 I,
Á 22,23 and 24‘of the frame unit 4 of the‘machine
and spaced guide bars |93 and |94 secured to the
of advance of the asparagus across the rolls may
be closely‘regulated by regulation of the rate at
which it` is delivered to the rolls, and `also the `
stalks are caused to be discharged from the con- " '
angle iron |92 in any convenient manner. These
spaced‘guide bars |93 and |94 are so positioned
with respect to the flat top chain ||a`2thatl the link
bearings |63 thereof extend intothe guide chan
nel |91 formed by the guide bars |93 and |94 (see
veyor one `at a time, whereupon they are `trans
` Fig.,-1,2) so that the chain is properly supported
ferred by means of the transfer rolls 5| and 52
andguided during its travel along the guide mem
from the feed table A to the inspection tableB.
ber |9|. Therefore, not only the'section of the
During the travel` of the spears of asparagus
upper run of the ñat topv chain |62 supported by
¿from the charge end toward the discharge 'end of ‘l the table |2| but also the portion thereof sup
the feed table A the gauge bar 86, which is con
-ported by the guide member I 9| is maintained in
tinuously reciprocated in longitudinal and trans'
proper horizontal position.
_
'
verse directions,‘engages the ñower ends of the
` ` Keyed upon „the shaft |52 is further a sprocket
spears and shifts the `spears longitudinally of the
wheel |98 `(see Figs. 2, 1l and 14) which is op
feed roll 39 so as to bring the flower ends of all
eratively connected by means of an endless
spears into substantial alignment with `respect
sprocket".chain` |99 with a sprocket wheel 29|
to each other and‘into a `predetermined position
keyed upon a drive shaft 292 of a gear reduction
with respect‘toy the inspection table B,
mechanism 203 of an electric motor 204 mounted
`Mounted upon the transverse frame members
upon the transverse frame members 3| at the rear
I8„of the frame portion 3 of the machine is a GU endof the machine.
i
`
1
table I2I (see Figs. l, 2, 6 and 7) provided4 with
From the above it Will therefore be seen that
a guide slot |22 extending over the full length
upon operation of the motor 294 and `rotation of
`of the same parallel with respect to the longitu
theshaft |52 the fiat top chain |62 and con
dinal frame member I6. Rotatably` mounted
veyor belts` |66 and |61 willibe operated to effect
within bearings |23 secured to the legs l2 of the l. travel threof in directions as indicated by arrows
frame structure 2 of the feed table A of the
inFigs. 2 and`6.
i A
l
machine is a` transverse shaft |24 which is `pro
Positioned intermediate the longitudinal frame
vided with a sprocket wheel |26 and pulleys |21
members I6 and |1 and the `table |2I`are trans
and I 28, which are` keyed to the shaft for rotation
verse supporting plates 2|| `and 2I2. „The plate
therewith. In a similar manner a shaft I3I is `
2I| is adjustably‘secured to the frame` members
rotatably mounted within bearings |32 secured
I6 and |1 by means of cap screws 2I3 extending
to the legs`2| of the _frame ‘unit 4 of the'ycutting
and sizing mechanism C. Keyed to the shaft |3I
are belt pulleys |33 and |34 and freely rotatable `
upon the shaft I3I is further an‘idler sprocket
‘through transverse slots 2I4 (see Fig. 6) which
permit anbadjustmexit of the plate in‘longitudinal
directions with respect to the frame structure 3.
Rotatably mounted within a verticalbearing 2|6
4
2,383,228
secured‘ to the plate 2|.|' is a vertical shaft 2`|-1
spikev chain 258 travels ‘parallel to the flat- top '
which carries a pulley, 2| 8` keyedrtheret'o. The
chain |62 andissupported by the chain guide.'4 2.62
plate 2.| 2 isadjustably secured tothe frame mem
bers I6 and |1 by means of cap screws 22| 'extend
with.
in spaced relation and proper alignment there
ing through longitudinal slots 2,22 in the plate
2 l2. This plate is further provided with a vertical
'
.
Due to the fact that the sprocket wheely |26
is ñxed- upon a shaft |24, to which the pulleys
|21 and |28 are keyed, the travel ofthe ñat top
bearing 223 (see Fig, 9) within which a rotatable
vertical shaft 224 is mounted.4 Keyed to the , chain |62 will'cause rotation of shaft |24; pulleys
upper end lof the shaft 224` is a pulley 226 and
|21 and |23, thereby effecting a travel‘cfœtne
secured to the‘lower end of the shaft 224 and fixed ,10 conveyor belts |66` and |61 in theV directions as
for‘rotation >therewith is a bevel gear 221 which
indicated by arrows in Fig. 6. The size" of vthe
intermeshes with a bevel gear 228 .keyed to a shaft
sprocket Wheels |26 and |53 andthe pulleys |21
229 rotatably mounted within bearings 23|„and
and | 28 is such that the ñat top chain |62 ‘and
232 secured. to the plate'2|2.. >One of the ends of
conveyor belts |66 and |61 travel at< the same
the shaft 229 extends through the horizontal ' rateV of» speed. Furthermore, the gears 254 and
member |1 and carries a sprocket wheel 233.
256» and sprocket wheels 253 and 242 are so Idi-.
This sprocket wheel 233 is adjustably mounted
mensioned that thespike chain 258 travels at the
on the shaft 229 but is fixed for rotation there
with;
same rate of speed as the ñat top'chain |62;l The
sprocket Wheels 243, 233 and the`bevel gears 228
The pulleys 2|8 and 226 (see Figs.. 6 and
49) are positioned'adjacent the table |2| and ex
20 and 22-1` are of such dimensions as to cause travel
.of thegauge belt 236, which is adjace'ntthe con
tend above the conveyor belt _| 61 in closely spaced
relation thereto.
Trainedv around the pulleys
2l8 and 226 is a gauge beltV 236, the run. 231
veyor belt |61, at the same rate'of speed as the
flat top chain |62 and conveyor belts |66 and |61.
. The direction of travel of the gauge belt 236 lis
'
25 indicated by arrows in Fig. 6.
of which lis positioned' at right angles with re
spect to the conveyor belt |61‘and extends longi
tudinally thereof in close relationship therewith.
It has been previously mentioned herein that
the gauge belt pulleys 2I8 and 226 are‘rotatably
Rotatably mounted on a forward extension 238
supported by adjustable plates 2|| and 2|2. vThe
of the frame unit 4 of sizing and cutting mecha
adjustment ofthe plate 2|| and pulley 2|8 vin
nism C by means of bearings 239 is a rotatable
transverse shaft 24| provided with sprocket 30 longitudinal directions with respect to the frame .
structure of the machine is for the purpose of
wheels 242 and 243 which are keyed thereto for
taking up any slack in the gauge belt 236, while
rotation therewith. Trained around the sprocket ‘
thef adjustment of the plate 2|2~and rpulley 226
wheels 233 and 243 is an endless sprocketl chain
transversely of the frame structure ofthe ma
244 adapted to transfer rotation of the shaft 24|
chine is for the purpose of adjusting the angular
to shaft 229 previously referred to. Secured'to the
position of the gauge belt 236 with respect to the
legs 24 at the rear end 0f the machine are bear'
conveyor belt |61 as-desired.
ï
~`
f
‘
ings 25| within which a transverse shaft 252 is
rotatably mounted.
Keyed tothis shaft are a _
Upon transfer of the individual spears of
asparagus from the feed table A to the inspection
sprocket'wheel 253 and a gear 254 which inter-T
40 table B the same are'placed upon the flat' top
meshes with a gear 256 keyed to shaft |52.
chain |62 and conveyor belts |66 and |61 in prop
Trained around the sprocket wheels 242 _and 253
erly spaced relation and are advanced thereby
is yan endless spike chain 258 provided with
parallel rows of spikes '259 and 26| (see Fig. 10). . past the gauge‘belt 236 toward the cutting and
sizing mechanism C of the machine. ‘During the
The spike rchain 258 is positioned- above the flat
travel of the asparagus through this section the
top chain |62 in alignment therewith in such a
manner that the spikes 259 and 26| are closely ` same is inspected by an attendant of the machine
who removes defective or undesired spears` which
spaced with respect to the flat top chain |62 and
are not suitable for canning-purposes. While the
do not touch the same. The spacing between the
links of the chains 258 and |62 is somewhat larger 50 asparagus passes the gauge belt 236` the flower
ends of the spears are engaged by the run 231 of
than thel maximum diameter of the spears of
said belt (see Fig; 6), which, due to its slightly
asparagus handled by the machine.
angular position with respect tov the vcónveyor
An upper chain guide 262 having a plurality of
belt |61, shifts the spears a slight distance in the
guide >brackets 262a and 26219 is positioned inter
direction of ‘their longitudinal axes, i. e., trans
mediate the sprocket wheels 242 and 253 and se
versely to the conveyor belts |66 and .|61fand the
cured to the legs 2| and 24 of the machine inany
convenient manner. This chain guide Vis adapted
to guide the lower run 263 of the spike chain in
a proper manner with respect to the flat top chain
|62. The guide surface of the upper chain guide 60
262 is positioned below the pitch diameter of the
sprocket wheel 242 and is bentupwardly at 264
(see Fig. 11) for purposes to be described later on.
From the above description of the construction
of the inspection table B of the machine and a
portion of the sizing and cutting mechanism
thereof, it will be apparent that upon operation
of the motor 204` shafts |52 and 252 will be ro
flat top chain |62, so as to cause a ñnal alignment
of the flower ends of the spears with respectto
each other. In other words, the gauge'` belt 236
performs a final alignment of the flower ends
ofA the asparagus, lwhich have been previously
roughly aligned with respect to each other by the
action of the gauge bar 86 of the feed table A.
During this ñnal alignment the parallel position
of the spears with respect to each other is not
disturbed.
‘
‘
`
"
'ì
Thereupon the properly positioned and aligned
asparagus is presented- by the flat top chain |62
andvconveyor belts |66 and |61 to the spike chain
258, the spikes of which penetrate the'butt ends
tated in the directions as indicated in Fig. 11,
causing travel of the flat top chain |62 and spike 70 ofthe spears, so that the same are impaled upon
chain258 at the same speed in the directions as
indicated by the arrows in Figs. 6, 7 and 11. The
upper run |62a of the flat top chain |62 travels
said spikes and ñrmlyheld in their aligned -posi
tion with’respect to the flat top chain | 62 during
subsequent travel of the asparagus past the cut'
along the top surface yof the table |2| and the
chain guide |9l, while the lower~ run 263 of the
ting and sizing mechanism of the machine.v
The outerv peripheral portions of the section‘o'f
5
2,383,223
the spike chain 258 engaged by the >sprocket Wheel
242‘move at algreaterspeed than the‘lower run
263 of saidfchain, and for this `reason it is desir
able to impale the spears of asparagus upon the
spikes 259 and 26| at a point substantially verti
cally below the transverse shaft 24|, so ‘that no
relative movement of the spears with respect to
theñat top chain |62 `is effected during impalc
ment thereof by said spikes. To accomplish this
the discharge rolls 308, 309 and 3|| are `positioned in spaced relation with respect to each
other -upon thetransverse shaft 299 (see Fig. 13).
All of the discharge rolls are made‘from soft
resilient material such as sponge rubber or the
like, and the rolls >301|, 306 and 301 are` positioned
in closely` spaced aligned relationship with re-V
spect to the rolls 308, 309 and 3| |, respectively.
All of these discharge rolls are adjustably
h the transverse shaft 24| and thesprocket wheel 10 mounted upon the shafts 298 and 299, respec
tively, by means _of set screws 308 so that the`
242 are mounted in such relation with respect to
spacing of the rolls on each shaft may be ad
the `fiat top chainl | 62 that the spears of asparagus
justed in any convenient manner. ,
may `enter `the throat 213 formed between the
If desired the discharge rolls 301 and 3|| may
chain |62.and the spike chain 258 without being
engaged by the spikes 259 and 26| until they are 15 be mounted for free rotation on‘the shafts 298
and 299, respectively. In such lcase each of
substantially vertically below the transverse shaft
these rolls (see Fig. 2.1,) is ñxed to a bearing
24| ata. point at which any relative movement
ring 3800, rotatably mounted upon abearing
between the spike chain 258 and nat top chain
sleeve 300b secured to the shaft 298 or 299, re
|62 has ceased or become entirely negligible.
arranging these parts in the manner as above 20 spectively, by means of a setscrew 380e. The
purpose of such arrangement will be set forth
described the aligned position of the asparagus.
later on.
is not disturbed and the same is properly impaled
Keyed uponthe shaft |52 previously‘referred.'
bythe spikes of the chain 258 without damage.
Of. course, it is apparent` that under these condi
to is a sprocket wheel 3|6 (see Figs. 8 and 14),
tions the sprocket wheel 242 will not position the 25 and an endless sprocket chain 3 | 1 trained around
the sprocket wheel 3|6, the sprocket wheels‘302
spike chain `258 into the ñnally desired‘spaced
and‘idler sprocket wheel |36, rotatably mounted
relationship with respect tothe flat top chain |62`
upon shaft |3|, is employed to cause rotation of
and for `this purpose the upper chain guide 262
shafts 298 and discharge rolls 304, 306 :and 381
has `been employed, which is adapted to effect `the
final positioning ofthe chains 258 Vand. |62 with 30 in a common direction as indicated `by arrows in
Figs. 2 and 11. Upon rotation of the shaft 298
respect to each other. To -accomplish this the
the gears 30| keyed thereto are rotated there
upper chain` guide 262 has been positioned below
with; these gears intermesh with the gears 303
the `pitch diameter of the sprocket wheel 242 and
fixed to shafts 299 so thata corresponding ro-`
provided with an` inclined guide portion 264 `for
guiding .the spike :chain 258 into proper spaced 35 tation of the shafts 299 and discharge rolls 308,
389 and 3|| in an opposite direction as indicated
relationship with respect to the ñat top chain |68.
in Fig. 11 is effected.
4Secured to the lower chain guide |9| and a
It will therefore be seen from the above de
frame member 28| by means of bolts `219 are a
scription thatthe transverse shafts 298, 299 are
. plurality of opposing pairs of bearing `members
282 and'283, respectively. 'I'he frame member 40 arranged in cooperating pairs, and their dis
28| (see Figs.` 8, 12 and `14) is positioned inter
charge rolls 304, 306, 301, and 388, 309, 3|| are`
arranged in cooperating groups forming a plu->
mediate the longitudinal frame `members 21 of
the frame portion 4 of the machine and extends
rality of cutting stations D, E, F, G, H and K»
(see Fig. 8).
» ,
„
.
parallel to‘the‘same. `'I'his frame member 28|
Rotatably and slidably mounted within the
is connected‘to legs 284 which form a part of the 45.
frame structure 4. The legs 284 (see Figs. 12
bearings 293 of each bearing member 282 is a
and 14) are welded to the >lower transverse frame
members 32` and 33 so that the same'are‘rigidly
lsleeve shaft 32|` and rotatably and `slidably
mounted withineach sleeve shaft 32| is` a knife`
secured‘in position within ‘the portion 4 Lof the 50 supporting shaft 322. Each sleeve shaft is pro
frame structure of the machine.`
` ’
‘i
Each bearing' member 282 is provided with
bearings 29| and 292 and a bearing 293 (see Figs.
11, »16 and` 20). The bearing members 283 are
alllof` the'same constructiony and comprise bear 55
ings294, 296 and 291. ‘ Rotatably mounted within
vided with a handle 323 secured to one end
thereof, while the other free end of each sleeve
shaft 32| (see Figs. v19 and 20) carries a knife
324 which extends upwardly into the space be
tween the discharge rolls `384, 308 >and 306, 389
for purposes to be described later on. ’
‘
the bearings 29|, 294 and 292, 296 of opposing
The free ends of the knife shafts 322 extend
bearing members 282 and 283 are transverse
`ing exterior of the frame structure of lthe ma-`
shafts 298` and 299,;respec'tively. Theefree ends
chine are provided with an actuating handle ,326`
of ` each .of «the transverse shafts «298 extend 60 (see Fig. 19) while the other ends ofthe knife
through the bearings 294 'of the bearingmem‘
shafts 322 are rotatably and slidably supported
bers 283 `andxcarry a gear ‘30|` and a sprocket
within thebearings 291 of the bearing members
wheel 302 which are both ñxed tothe shafts
283 previouslyreferred to. Each knife shaft 322
298~for rotation therewith. `The free ‘ends of
is provided~ wítha cutting knife 321 extending
each of the transverse shafts 299 which extend- 65 upwardly‘into the space between `the discharge
through the bearings 29|;~ of the bearing members
rolls 306, 309 and 301, 3|| (see Figs. 13 andl9).
283 carry a gear 303 keyed thereto which inter
Secured t‘o one `.of ’the horizontal frame` mem
meshes with the gear 38| previously referred‘to. .
bers 21 adjacent the lower chain guide member
Each of the «transverse fshafts 298 is vprovided
|9|‘and extending from the frame structure of
with discharge rolls‘304, 30|5'and>> 301 fixed 70 the machine into the path of movement of each
thereto, while each of the shafts 299 carries dis
of the` actuating arms` 323 and 326 are notched
charge ro1ls,308,"309 and3||`fixedthereto for
bars 328 which are adapted to limit themove
rotation therewith. ` The discharge rolls 38.4, 386
ment of the arms 323 and 326v in one direction \
and `381 are‘arranged 'in spaced relation with
and to maintain the sleeve shafts 32|, knives
respect to each other upon the shaft 298, and "In 324 and knifeshafts' 322, as well as the knives`
ë..
2,383,228"
321 in predetermined positions of transverse ad
justment. Abutment bars 329 positioned With
in the 'path of each of the arms 323 and 3,26
are further-provided to limit the' movement `of
these arms in an opposite direction and to main
tain the sleeve shafts 32|, knives 324 and knife
shafts 322, as Well as knives 321, in inoperative
position.
te 136.3 :inclusiveare 's'lígntlyspaced with .respect
tofea‘ch. other- asfïshownfat V363m
I6, and
the »bearing members 1232€> are-each rufovidecllï.l
with a-.1ug-366Withinwhich a set screw V3|51is
th-readcdly mounted,..whi1'e the" 'bracket 344 ïisï
provided with ‘a lug. 366e. Within` ’which ‘a-"s'et
screw-„36111; .is ltln‘e'adedly received. ,'The »set
The abutment bars 329» are secured to
screws» 361m and 3Sf1'are'adapte`d- to engage' the
one of the frame members 21 adjacent the chain
guide |9| in ya manner similar to the notched
knife brackets `346v andf34'8, 349,y 351;, 3521, v333,
bars 328v previously referred to.
351|,»respectivelyl 'so "as to permit pivotal move'
m'ent and> adjustment. of the‘same and t‘tießsizing
The knives 324 and 321, a detail of which is
knives 'carried' tht-:remiI ¿relative . to ~ the `flat. top"
shown in Fig. 19, comprise a straight portion 33|
and an inclined blade portion 332 `provided with
a sharp» cutting edge 333. When the actuating
anadur-62. Lock nuts 368 and: 368a aireïprovided
tor/maintaining ‘fthe’ fset 'screws '361 and? 36M,
handles` 3-23 and> 326 are swung into engage
ment with the abutment bars 329 the knives are
swung toward> the transverse `shafts 299 into in
operative position, while upon movement of the
actuating handles 323 and 326 i-n an opposite>
direction into- >engagement withy the notches of
the notched bars 328 the knives are placed inv
'operati-ve >or cutting position, in-Which the>` blade
portions 332 thereof extend in transversely' in-’
clined‘L directions into- "the space between the> co-»-
operating discharge rolls 304, 308 and 306, 339,
andi .3116?, 3.09 and» 30-1, 3~|~|1.
ï
«
v
l
kThe-»cutting knivesY 32-4 ‘and 321- of ‘each cut-`
ting station are therefore spaced with respect
to= eachother, and the straight Aknife portions
-' respectivelmlin their adjuste‘dïpositions. » i,
Threadedly secured „to“ the knife brackets' ¿of
the sizingy knives ‘abovey referred ‘to li's fa'. lo‘ck
screw 369? which. :eXt'e-n'ds» ‘through arcuate lslots
3'1-"l and 3112> Within :the bearing Imerri‘bers 2&'2'1
andl chain guide-19t. -In atv-similar manner (see l
Fig, .221) ya screw 3`b3tiisvthreadie'dly securedßtío
the' `knir‘e‘ bracket 34o and. extends through `ar:<
cuateislotsi v31/'4anîcl '3175i of~ the? bracket 344 ‘an’d
chain `guide wily.' yIii 'it' `isi desired to? adjust the
>sizing- knives' of the machineythef Io'ck screws"
369* and 3113A are 'loosened ‘andi l‘the s‘e't screws’ 331and 36-1'a' are manipulated: tof effect: the desired
positioning .of> ther sizing knives,- >andi after' the
adjustment thereof r-i‘s completed the.` sizing' kliiveîsî>
' are .l‘ockedí
their: aidáuste‘d‘ position-‘by tighten
33|- thereof are» ofvdifferent lengthA so that the
in'gßthe locküscrevvs 369".i and 4313 (fs'ee Fig. .TD1y
blade portions 33"»2 of adjacent cutting knives
are positioned in staggered relation to` act suc’
cessively- cn each stalk passing downwardlyl be#
position'edîin longitudinal. ét‘lig'rurièntA
tween-¿the rolls of the-»cutting station. Conse
p'aragus held betweenthev nat' top cham |62î 'and
quently; when the> spears of asparagus are dis->
charged between cooperating discharge rolls and
knive‘s. they are cut thereby adjacent their'butt
forced past the- cutting knives 324 andY 321‘ to >
ends .in such~ a manner thatv each succeeding
sizing` -knife enters inito‘l the cut ‘form'edßwithin
eiïect cutting thereof, any4A jamming of" the'por'
The sizing. `knives«.3‘5r'|“` to 363ïincl`usive3~are
toiE each other so
respect
when» theA spears 'o'ïfï as»>
the: spike vchain 258 'are «advanced overl sai-d’
tions ‘of- the spears- between- the~ 'cutting knives'
324; and 321,v Which-'Would' interfere with the
each spear by the preceding sizing kniïfe‘, as
freeì discharge of' such portions, is 4eliminated
spears of asparagus advanced'i along‘thefsiaing
knives will' becompleïtely severed f-rorîrfI their' butt
dueto their‘successive'~ cutting¥ act-iorr~
'
' ,
'
clearly illustrated in
10‘. The 'individual
3212 of- each cutting" station are spaced' with re
. ends by. one or the other of thesey knives,` de'
45 pending upon the position. of t'he'- same- With re'-y
spect toeach- other and their spacing and posi
spect to the' fiat top chain- |‘62`an'd` the thickness
tion with respeot'toth‘eî discharge rolls' maybe
of the individual spears.
As stated in the above, the knives »32‘4‘ and
regulated >inl any desired` manner by shiftingv the'
sleeve shaft 32| and knife shaft' 322 in trans
verse directions relative to` each other,` as Willl
be 'obvious to those~ skilled’ in the art.
gaging-the4 actuating' arms 32'3‘"~ and' 326 with'k the
notches of`- the- notched bars'` 328“ the cutting
knives are >maintained in"- any desired relation'-`
ship with respect to eachother and' th'e‘ dis'
charge` rolls and are locked" in such position.
Positioned intermediate'the t'a‘ble |21 and the
bearing' member 232' of' the sizing and> cutting
station DI byV means of' «bolts 3`âl3‘isr a bracket 34'4
to'which a knife bracket 34'6'is pivotally mounted
at 341> (see'F’ig. 16) . In a similar manner'knife'
brackets 348i,` 349; 35|, 352“, 353` and' 354‘ arel
pivotally mounte'd'to the4 various bearing mem
‘
`
, 'I-‘ov accomplish theA cutting" of" the» asparagus? soï
as to- effect. a sizing4 o'f theindividual#spears-into
igrades of diiferentthickness; eachV knife isI pro-`
vided with a- cutting edge which comprises
straight knife portions 3116,. 31f1f and 'an' inclin‘ed‘ï
knife portion 318v intermediate thefsame. The!
knifel 351‘ is of> a somewhat different confilgurat'ioz'ry
insofar as it comprises only aig'radually inclined
cutting-'edge 319.v
‘
i
`-
>
.4
..
.
Depending upon the-position of the'knife'p'or«
tions 3~1~1 and' 318'0f- the’sizingîblades‘» 358103632.
inclusive, with'respect tothel flattop‘chainA |62,.
each _spear ofv asparagus`~wi1l bef completely: cut’
by. oneor theother/of- the sizing;- blades tli'elrv
tion of Whichvwithrespect t-o‘theñat top chain>
|62 corresponds to the'thickness ofv the-particular?
bers 282' by'rneans'of‘ pivot’ pins I35,6.~ .(se'e Figs.
11'` and 16)'.f The knife Abrackets 346, 3482` 349,'
spear.` Ina similar manner, `the highest pointA
h 38]l 0f thefblade 351 will determine the- thicknessì
35|", 352', 353'; 354’. are provi'ded‘Witli vsizing knives
~The `knife 351 isprefrerably s_et in suchposiitionl
351; '358, ’ 353; _33102 361,' 3622 ’,363 respectively,
Whichgare removably'secured "by ‘means -of'fscrevvsl
364'; to` -their ‘cooperating brackets" in a manner
as'vsho‘wnt in. F‘i‘g. 161 All" o'f‘ the' s'i‘zingknives
are positioniedf'in. closely' spaced,"y relation With
respect tothe ?iattop chain' I62Íand'extend pre
determinedJ distances ab‘ove ‘the t'opj.` surface off
t'hesarne~ (see Fig. 12); The sizing knives" 351
of thespearscut by' this knife:
`
.
. . .
l that the thin'spears of»asparagus,_»usua1lyY cailedi
“cu11s,” Whicharenot desirable for canning,,arey
cutcompletely through therebygwhilwthe thicker
grades of asparagus pass lbeyond the-_cult knife
351- and are cutthrough bythenext‘knife358. ory
anyv ofthe succeeding.knivesdependingupon the.
position off the bladèsandlthe thickness of» the
asparagus. The blades'3'51ù t0 363 inclusive are
7
2,383,228.
so adjusted‘that their inclined portions 38| and
respect to the sizing knives and `may be varied in
accordance with the requirements of practice in
318 _which perform the ñnal cutting of the spears
project gradually greater distances above the
a manner as previously stated herein.
.
‘ yI_f it is not desired to cut the spears of :aspar
ñatltop‘ chain |62;A Therefore `the thinnest `as"
paragus is cut through lby the cull knife 351 and
the thickest asparagus is cut‘ by the last sizing
p F,.G, H and K the cutting knives 324 and 321 are
knife v363,` while the ìstalks of intermediate `sizes
swung into inoperative position so that the same
are‘cutthrough by one of the intermediate `knives
willnot extend into the path of the asparagus dis
lagus within any one of the cutting stations D, E,
charged lbetw‘eenV the discharge rolls. `lf Vde
358,359, 369,136I or 362 depending upon the size
sired, only one of the blades 324 or 321 may be
' The'highest point of the inclined cutting edges
placed into operative position and in thismanner
any cl‘esired number and lengths of cut of `the
asparagus may ibe obtained, as will be‘apparent
318 of the sizing knives 358 to 363, inclusive, is,
positioned substantiallyabove. the center of each`
, of the -cutting stationsiD,.E, F, G, I-I and K, so
that the individual spears of asparagus ofvari»`
oustthickness` will` be cut from their Ibutt ends
to thoseskilled in the art.
at certain predetermined points in their travel
and: drop‘upon the discharge rolls of oneof the
cutting stations D, E, F, G, H and K positioned
therebeneath.
`
'
i
The tip ends of the 4asparagus (see Figs. 12 and
15) are dropped into turn chutes 49| positioned
below each cutting station. Each of these turn
chutes consistsof spaced chutemembers 492 and
493 provide vwith inclined faces 494 and 496 re
spectively (see Fig. 15). The turn chutes 49|
are secured «to the side portions 491 and 498 of
i
‘.«Dueto the fact that uie‘nówelrf `ends ¿if` the`
asparagus spears have been aligned with respect
toeach other and `accurately positioned’ relative
to the flat top chain |62,` the sizing knive's` will
cut the asparagus into spears of equal length
while the butt `ends-of the asparagus impaled
upo'nî‘the spikes 259 >and 26| of the spike chain
conveyor guides 40,1a by means of brackets 499 ‘
and` 4| |. ` The‘conveyor belt guides 401a are at
tached to the frame members `29 -(see Fig. l2)
¿ and extendtransversely of the frame` structure
`4 of the machine.
.i
‘
`Fixed upon a shaft 4 | 2 rotatably mounted with
in bearings 4|3 supportedby the legs 22, 23, 24
258 :are advanced toward the rear end of the ma
chine into í‘engagement with a strike-off finger
39| @supported iby a bracket 392 secured to the
rear `legs 24 of `the machine. The strike-oir fm
ger removes' the butt ends from the spikes of the
l `The thin asparagus spears or “culls” cut off by
the cull knife 351 drop downwardly into a dis
and transverse members 33 of the frame struc
ture4 of the machine are a plurality ofxpulleys
4|4 provided with endless conveyor belts 4|6 ex
tending transversely ,.from the machine. The
front ends of the conveyor belts 4 | 6 are supported`
by idler pulleys, not shown.` The upper runs of
the transverse conveyor belts 4|6 are positioned
within thebelt guides 491a (see‘Figs. `2, 14 and
15) and` pass beneath the turn chutes 49| pre
charge chute 394 from which they are discharged>
viously described.
chain 258 and discharges the` same into a dis
charge chute 393 secured to the bracket 392 pre
viously referred to (see Fig. 2.) .
from the machine.
1
'
.
,l
,
\
r
i
i
The lower ends of the turn chute members 493
.
«'It `has.been‘mentioned hereinbefore that the 4d» of the turn chutes 49| extend into proximity with `
asparagus spears «cut by the various sizing blades
are dropped upon. the discharge `rolls of the cut
ting stationsiD,‘E,‘F, G, I-I and K, and to preventY l
ther conveyor belts 4|6 while the lower` ends 4|1
of the chute member 492 are sufñciently spaced
from the conveyor belts 4 | 6 to permit> the passage
a-.longitudinal movement of the vcut spears with
respect to the discharge rolls of thevarious cut
ting stations, a tip` guide 396 which extends p_ar
allel t0 the‘frame member 28| is provided which
la` bevel` gear 42| which is keyed thereto` for rota
tionÁ therewith and intermeshes with abevel gear
isseCured tothe framev member’28lyby means
of screws 391 and sleeves 398 (see Figs. 8 and 12).
‘ mounted within bearings 424 mounted on the
f f 'I'hespears dropped `upon the oppositely` rotat-
of the asparagus therebetween.
‘
The rear end of the shaft 4|2 is provided with
422 ñxed to a transverse shaft` 423 rotatably
.
` rear legs `24 of the `frame structure `4 rof the ma‘
ing discharge rolls of the various cutting stations`
chine.
are gripped thereby and discharged in a down
wardfdirection between the same so that they
426 and trained around the same and a sprocket
Wheel421 keyed‘upon shaft` |52 is an endless \
aref‘advanced thereby past 'thecutting knives
324 and‘321 previously‘described. The discharge
sprocket „chain 428, so that upon rotation of the
shaft |52, shaft 4|2 and pulleys 4|4 are :rotated
in the direction as indicated in Fig. 14 to thereby
cause travel of the conveyor belts 4|6 in the di
rection as indicated by arrows 429 in Figs. 8, 13,
rolls are madefrom asoft resilient material, pref
eraably sponge rubber, sok thatthey may flex suñi
zciently to receive` the spears `therebetween and to
permit the downward discharge thereof while at
the same time the spears are firmly held against 60
displacement between the discharge rolls while
they `are forced> past the cutting knives. It
should, however, be noted thatthe discharge rolls`
are ñexible enough to, prevent any` crushing of
the vvasparagus spears advanced therebetween so
that‘any likelihood of damaging the asparagus
is prevented.`
.l
While the spears are dischargedin a downward
direction between the` rotating discharge rolls of
theacutting sections, the cutting knives 324 and
321ncut‘ the spears into` two or three sections, such
Keyed to the shaft 423 is a sprocket `wheel
14 and 15.
,
_.
.
‘
vFrom the above` it` will therefore be apparent
that when the tips of the asparagus `designated
43| in Fig. 15are discharged from the discharge
rolls of the cutting stations of the machine `the
same are engaged by the spaced inclined sur
faces 494 and 496 of the turn chutes4|l| (see Fig.
15) and are turned 90 degrees and placed upon
‘ the conveyor belts `4||ì in substantially transverse
position with respect to the vdirection of travel of
. The length. >of . these `sections depends uponv the
The _belts 4 | 6 advance the tips of the asparagus,
positioned parallel with respect to each other upon
the conveyor belts 4|6 by the action of the turn
chutes 49|, vfrom below the turnuchutes 49| to
a point exterior` of the machine where they may
positionlofz‘the cutting knives 324 and 321with
be‘collectedin any convenient manner and placed`
as centercuts and tips, depending onl whether one
or «two cutting knives are in cutting position.
2,383,228
into cans_ for further treatmentthereo'f. yIn view`
of the fact that'the‘tips are all arrangedinproper
cut »asparagus portions discharged .upon the con»l
veyorbelts are maintained iniseparatevrows - upon
position with their iiower ends pointing toward
one side of the conveyor belts 4|.6, no vmanual
operationï is necessary tto turn the spears into
the same. The deflecting chutes y47H Vandllß'tî
are provided'with cutout .portions 41i|a and 41'2a
respectively to prevent 'interference .thereof f withY
proper position so that theirìplacingdn'to the cans.
the sleeve shaft 32| and shaft'322.
is greatly expedited. '
v
.
i
.i
4It will therefore be >seen that the‘centerfcu
. „
Positioned adjacent the turn chutes 40| .and
extending transversely with respect :to .the frame
and soup stock `of lthe i asparagus :collected :from
the v cutting stations by 'the .defiectingxchutes
' structure of the machine are shafts 44|, 442,443, 10 41| and 412 and «deposited thereby inseparate
4‘4'4 rotatably mountedv withiny bearings ‘446, ‘441,
rows upon the `conveyor belts 46| 1and v'llßliare
448 and 449, respectively. . These 'bearings are 'se-.
.advanced toward Adischarge n chutes 4.80,' 409
cured to 'one of the longitudinal .framemembers
and 49|,"492', -respectively, mounted lwithin .the
28 by means of bolts 45| . (see Figs. .2lan’d >12).
frame structure of thev machine `adjacentHthe
Keyed upon the shafts 44| to 444 inclusive are 15 conveyor >belts l46| and 462 in _any :convenient
pulleys‘452, 453, 454, 456, respectively, while a
gear 451 ñxed upon the'shaft 442 is arranged in
manner, so'that the soup stock :andccentericuts
are separately discharged Vand :may :be .conveyed
from the machine in any well-.known :manner
intermeshing relation with respect'to a gear 458
ñxed‘upon »shaft 443. Trained around the pulleys
While theprocessing
center cutsof
and
thesoup
same.
stockfdischarged
'
_ ..
452 and '45.3 is an endless conveyor belt '46| and 20 for‘further
in a similar manner'an endless conveyor belt 462
from the cutting sections D,
and yCniK
istrained around the pulleys 454 and'456.
are only f separated into Atwo sizes ¿and discharged
Keyed >to the shaft 444 is a sprocket gear 463
at the Vfront and rear ends of .thesizing-andcut
and trained around the same and a'sprocket
ting section of the'rnaehinait shouldbe noted
wheel 464 `fixed upon shaft |52 Ais an endless 25 that »the >asparagus tips whichare .sized into six
sprocket chain 466 so that upon rotation of the
individual >.grades Iby the action vof the sizing
shaft |52 in 'aimanner as previously describedl
blades are collected separately so-that six differ.
herein shaft 444 andpulley 456 are rotated in
ent vgrades of asparagus tips aredischargedffrom
the direction as indicated in'Fig. 2, «causing a
the machine. vHowever, it willsberapparenttmt
travel of the conveyor belt 462 in the direction 30 by appropriate adjustmentof the .sizing'lblades
of arrow 466a (see Figs. 2 and 11) and rotation
the number »of grades of asparagus obtained .from
of 2 shaft 443 and gear V458 in the direction of
arrow 461.
the machine .may -be reduced in any vdesired
.
manner.
I
.
The rotation of gear 458 in the direction .above
It has been mentioned hereinbeifore .thataithe
referred to causes rotation of gear 451and shaft 35 discharge rolls 301 and 3|l| '.may,»iffdesired,»rbe
442 in an opposite direction, thereby effecting
arranged for free rotation relative to shafts?âß
travel of the conveyor belt 46| in the direction` as
and 269. This arrangement assures that the
indicated by an arrow 468 in Figs. 2 and 11. Posi
spears 4remain Iin >substantial horizontal .position
tioned between the conveyor belts 46| `and 462
during their discharge between the discharge rolls
'and the cutting sections are a plurality of de-` 40 of each section/even though .theifrontendpffltfle
flecting chutes 41| and 412. (See Figs. .1'1 and
spears adgiacent the.' ñower I.end :thereof may :con- i
12.) i IOne 4chute I41| and 412 is provided for
tact the discharge rolls :301 Aand «311| Vbefore. the
remaining portion of the spears :Contact :the dis
each cutting section D, E, F, G, H, and K (see
Fig. 11).
.
f
-.
y
-
'charge rolls ‘304, 306 and 3108, :30.9.
Inlzother
The deflector chutes l41| and 412 are pivotally _45 words, the mounting vof the .discharge .rolls :305|
mounted between transverse frame members 413,
414 and '416 by means of rods` 411 `a`nd418 (see
Figs. 11 and 12).. The defiecting‘chutes 41| are
each provided with an actuating arm 41.9 which
extends through a slot 48| in each of the deflect
and l`3|l| forffree rotation .relative to :shafts --2.9.8
and -2'99 ypermits a properpositioning .of .thespear
'in the valley between cooperating-:sets .of 'dis
50
charge vrolls before the Idownward disch-angecf
the spears between >ther-_011s .is `effected .and .this
assures ‘that the spears .are .cut` fai-„right 'angles
ing chutes 412. Each actuating `arm is pivot
ally .secured to its respective deiiecting 'chute 41|
with respect to ltheir slongitudinalfaxes.
_
at 400~and is provided‘with aplurality of notches
If the «rolls `307| :and 34| 4are lfreelyv1:etatable
482 adapted to be engagediwith a lock".plate 483
on shafts C2 98 ‘and-299 Yas' above >-statedz‘the {down
mountedbetween the legs 2|, 23'and 24 at one' 55 ward-discharge of the .asparagus tipsafter cutting
thereof lfromßthe remainingïlportionsofthe spears
side‘of the'machine (see Figs. 2 and 12);l ‘ . ’
In a similar manner each of the deflecting
chutes 412 is provided with anactuating arm1484
pivotally secured thereto at 486.
The .actuating
` is effected "by the `dimm-ward pressure 1111011 v‘the
same by the succeeding .asparagus `¿tips ‘before
>complete cutting thereof.`
arms `48‘4-are provided with a plurality of notches 60
481 ‘(see'fFig. 12)' engageable with the lock plate
483 for locking the chutes-412 in adjustedposi
tions.
'
`
__
Operation
_
`{In-the l‘followingfa brief résumé of ¿the .complete
«operation 4f‘of'fthei entireismachine ~Wi1libefgiven. v . '
_ »Upon‘disengagement of the actuating arms419.
Upon yoperation-of l«the motors 1~3andL204 the
and 484 with the lock lplateïi‘ßß, .the actuating 65 Various 1mechanisn'isio'f ‘the yfeedftable .'A, 'rignspec-`
arms lmay be shifted in transverse directions with
tion table ï'fB, and-.theïsizing anda'ciitting section ¿C
respect vto the frame structure of the machine for
- are actuated in a manner as speciñcallyiîescribed
adjusting the .deflecting chutes `41| and~412 in'
desired positions with respect to the cutting sta
The» asparagus-to be :treatedfis placed upon ¿the
herein'before.-_
l
_
..
«
tionsof the machine to collectthe‘cut portions
of the‘asparagus discharged..therefrom-‘and direct
ther'same upon> the conveyor beltsï46`| and 462.
thefspears in substantiallyparallel positionfwith
Due to the position of these deñector chutes
parallelto the conveyor vbelts 46| and 462 and
the spears positioned.:adjacentithe¿gaugeabarellì>
their `closespacing withirespect` to the »_same, »the
the machinefas »viewed iin ¿Figs 1l ziand'îß,` 'iwith
respect -to .the f‘feed'frolls and :the rñower ends of»
9
2,383,228
mon direction and their displacement action, as
previously described, the spears ‘of asparagus are
advanced over the feed table A toward the inspec
tion table B. During their advancement over the
feed table A the spears are separated from each
other by the action of t'he feed rolls 39 and posi
the asparagus cut in this manner are therefore
toward the >inspection table B the ‘ individual
separated into grades of different thickness and
drop upon the discharge rolls of the cutting
stations D, E, F, G, H or K, respectively.
While the butt ends of the asparagus: impaled
upon the spike chain 258 continue their travel
toward the rear end of the machine where they
are finally removed froni‘ the spikes 259 and 26| byv
means of the strike-off finger 39| and discharged
the spears, they enter into the throat 213 formed`
out further cutting of the same.
tîoned in parallel relationship with respect there
to. .Incident tothe feeding of the asparagusA
spears thereof are shifted longitudinally with re 10 . by means of the chute 393 of the machine,` the
sized portions of the asparagus are received‘in the
- spect `to the- feed rolls` 39 by the action of the
valleys between the cooperating discharge` rolls
gauge bar 86, so that a rough or preliminary
of each of the cutting sections D, E, F, G, Hand
‘alignment of the ñower ends of the asparagus
K and gripped bythe rollsand discharged ldown
with respect to each other and the flat top chain
|62 is obtained. The ‘spears which have been 15 wardly therebetween.
During the downward travel of the graded
positioned and aligned in this manner are there
asparagus between the discharge rolls of the cut-.~
upon transferred in spaced relation by means of
ting sections of the machine the individual spears
the transfer rolls 5| and 52 upon the ñat top
are presented to the ,action of the cutting knives
chain |62 and conveyor belts |66 and"l61 of the
inspection table B` and are advanced thereby 20 324 and 321, and are cut thereby into asparagus
tips and center cuts, and are subsequently dis
' toward the sizing and outting‘mechanism C _of
charged from the discharge rolls. The cutting
the machine.
knives 324 and 321 may be so adjusted that one
During the travel of the individual spearsV
or two center` cuts and asparagus tips of any de
along the inspection table Bthe gauge belt 236
sired length are obtained.> If desired the cutting`effects a final alignment of the lspears with re
knives 324 and 321 and deflecting chutes 21| and
spect to each other and the flat top chain |62
212 may be swung into inoperative position and
due to its angular position `with respect to the
the spears may be discharged lafter sizing with
conveyor belt |61. After this final alignment of
between the fiat top chain `|62 and the spike
chain #258 and the butt ends of the spears are
impaled upon the spikes 259 ‘and ‘26| and ad
vanced by the flat top chain |62 and spike chain
258 past the sizing and cutting mechanismC of
the machine, The butt ends of the spears are
usually tough and not suitable for canning pur
poses; however, their toughness assists in rigid
ly holding the spears in aligned position between
the flat top chain |62 and spike chain 258. u
During the travel of the spears through the
sizing and cutting section C the same `are ñrst
presented to the cull blade‘351 and subsequently
to the sizing blades 358 to 363, whereby the spears
are cut from the butt ends at widely separated
points, depending upon the thickness thereof. `
The sizing action commences upon engagement
of the spears of asparagus with thecull knife 3,51 ‘
which completely cuts through the thinnest
spears` not desired for canning purposes. These
l
The asparagus tips discharged from the dis
charge rolls-of the cutting stations D, E, F, G, H
and K drop into the turn chutes `40| while the
center cuts are directed upon the conveyor belts
46| and 462, respectively, and are maintained in
ï separate rows upon these belts by the action of`
the deflecting chutes 41| and 412,
The center cuts deposited upon the conveyor
belts 46| and 462 are conveyed thereby in opposite
Idirections from below the cutting stations D, E,
F and G, H, K and are discharged into separate
chutes 488, 469 and 49|, 492 `at the front and rear
ends of the cutting and sizing section of the
machine, respectively.
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.
‘
‘
The asparagus tips discharged into the turn
head chutes 46| below each cutting station of
the machine are turned and deposited upon the
`conveyor belts 4|6 in substantially transverse
positions with respect to the same. The belts 4| 6
convey the various grades of asparagus tips from
so-called “culls” are thereupon discharged by
the` cull chute 394 in a manner as previously
the machine so that the same may be separately
stated herein.` The thicker spears of asparagus"
continue their travel over the> sizing knives to
ment thereof.
Ward the rear end of the machine in such a man
to 363 inclusive, as well as the cutting knives 324,
321 and deflecting chutes41| and 412 are adjust
able in any desired manner, as speciñcally der`
scribed in the above, any desired sizing and cutting
of the asparagus may be obtained so that the ma
chine is adaptable for universal use in the prep
aration of asparagus or the like, as will be `ob
ner that each preceding sizingknife enters into
the cut formed by the preceding sizing knife; As
stated in the above each of the sizing knives 358
collected and packed into cans `for further treat-r
In view of the ‘fact that the‘sizing knives 351 '
to 363 is provided ‘with straight sharp cutting
_edges 316 and 311 and an `inclined sharp cutting
edge 318 disposed intermediate the same. The
sizing knives are so adjusted thatì the inclinedr
vious to those skilled in the art.
`
cutting edges of the same gradually increase the
All parts of the machine are easily accessible s0
depth of cut to a maximum at certain predeter
that the same may be cleaned to maintain the
mined points in the travel of` the spears of as» 65 machine in an absolutely sanitary condition.
paragus, and these points are positioned sub
While we have shown and described a preferred
stantially above the center of the lcutting sections
apparatus and a preferred method for carrying
l D, E, F, G, H, and K. Moreover,` each’ successive
out our invention, it will be understood that both
sizing knife is arranged at a slightly higher,eleva-.` l
are capable of variation and modification, while
tion than the preceding one.
e
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‘e
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70 still employing the `principles of` our invention.It is therefore apparent thatthe cutting of
It is to be understood, therefore, that the scope`
the individual spears of asparagus by the sizing _
of the invention should be limitedV only` by the
knives 358 to 363 inclusive is completed atprede-`
termined separated points depending upon the
thickness of asparagus to be cut. i `Thefspears of.
scope and proper interpretation of the claims ap
pended hereto.
`
l
.
Having thus described `our invention, what we
10
2,383,228`
claim as'new and
»desire to 'protect by Letters
ing a conveyor for moving the spears of asparagus
advance along said path,' andl means “fori 'sepa-I,
rately collecting the severed spears at said points.6. A machine for grading asparagus comprise
ins means for impaling the butt ends of .the
along’a vpredetermined path, means on the con
spears of asparagus and for moving the same with ,
Patent is:
'
i
a
, 1‘. A machine for grading< asparagus compris
` veyor for supporting the butt ends of the aspara
the remainder of the spears protruding freeV and>
gus‘with the free endsthereof extending laterally
unsupported from the4 impaling means, means` co;
from said conveyor„ a knifev having a/cutting edge
operating with the impaling means for maintainel
inclined relativeto said conveyor and arranged
ing the butt ends impaled thereon, a- pluralityofl
adjacent thereto for cutting the spears trans 10 sizing knives comprising inclined blade portions-`
versely of their length with an increasing depth
extending with increasing height vfrom-helowinto`I`
of cut as' they move along said path whereby the
the path of the _free ends of said spears iorcut-_
spears are severed according to their thickness at
ting the freeV ends from said butt ends with an;
separated points in theirtravel along said path,
increasing depth of cut for severing` the` ,fr_eeends1
and means at each separate point along said path
forfreceiving the severed spears as they gravitate
butt ends'at separated points to thereby deposit
at said points.
of the spears of different thickness‘from their
the same atsuch points whereby the spears are.
,
separated into groups of predetermined thickness.
7. A machine for grading asparagus compris
2. A machine for grading asparagus comprising
holding means for moving the spears of aspara
gus along a predetermined path with a uniform 20 ing, a conveyor, impaling means on said conveyor;
conveying means cooperating with said conveyor
portion of the spears protruding beyond said
for feeding the spears of asparagus i thereto,
holding means, means for feeding the spears in
parallel and rspaced relationship to the holding
means for operating said conveyor for impaling
the butt ends of the spears presented thereto upon
means, a plurality of contiguous knives aligned
with their cutting edges in` an inclined plane to 25 said impaling means and for movingthe spears,
with the free ends thereof protruding from the
gradually cut into each spear as it moves along
conveyor along a predetermined path, and an in
said pathpfor severing the spears transversely of
clined blade ñxedly mounted adjacent said con
their length according to their thickness at sep
veyor and parallelwith respect thereto for sever-`
arated points in their travel along said path, and
ing the free `ends of the spears of 'predetermined
thickness from their -butt ends at separated points
in their travel along said path for separating the:
a succession of separate receptacles' arranged be
neath the protruding spears for receiving the cut
spears from the holding means as they gravitate
after severance as aforesaid.
severed free ends of the spears from the remain-`
.
3. A machine for grading asparagus comprising
holding means for moving the spears of aspara
gus along a predetermined path, means for feed
ing spears.
35
ing the spears in parallel and spaced relationship
y
8. A machine for grading> asparagus-compris->
ing, a conveyor, impaling means on said conveyon
conveying means cooperating with said conveyor
fo;` feeding the spears of asparagus thereto,
means for operating said vconveyor for impaling
ranged parallel to said holdingmeans tolengage 40 the butt ends of the spears presented `thereto
upon said impaling means and for moving the
each` spear and cooperating Iwith the ho-lding
to the yholding means with uniform lengths of
spear extending therefrom, an inclined blade ar
means for cutting the spears transversely of their
spears with the free ends thereof protruding from e
length according to their thickness at ’separated
points as they lare advanced along 'said path, and
the conveyor along a predetermined path,l an in-A
a plurality of receptacles for receiving the cut ‘
spears from the holding means according to their
point of gravitation for separating the asparagus
into groups as determined by their thickness. ‘
Y
4. lA machine for grading asparagus comprising
holding means for moving the spears of asparagus
along a predetermined path with uniform por~
tions of said spears extending laterally therefrom,
clined blade arranged along said predetermined
path for severing the free ends of the spears of
predetermined thickness from their butt ends at
separated points in their travel along said path
and for simultaneously separating the severed
free ends of the spearsV from the remaining spears,
means at each of said separated points for receiv
ing the severed ends of said spears -and for dis-`
charging them along a downward path, and a plufl
inclined blade means arranged adjacent the path
rality of knives arranged between said receiving
of movement of said holding means _ and co
means and across the 'downward> path and co-,
operating with the latter for cutting the spears
transversely of their length'with any increasing
depth of cut for severing‘the spears of different
thickness at separated points during their travel
along said path, and means for separately col
operating with the receiving means for cutting
the free ends of the spears into sections of pre
determined length.
"
9. A machine forgrading asparagus compris
ing, a conveyor, impaling means on said conveyor, n
lecting the severed spears at said points as they E conveying means cooperating with said conveyor
gravitate from said holding means. y
for feeding the spears of asparagus thereto, means
5. A machine forA grading asparagus comprising
for operating said conveyor for impaling the butt
conveyor means for advancing the spears yof as
, paragus along al predetermined path, means for
holding the butt end of said asparagus for, sup
porting the spears laterally, meansV for aligning
ends of the spears presented thereto upon said
impaling means and for` moving the `spearswith
the free ends thereof protruding from the _con
veyor along a predetermined path, means Vfor sev-_`
ering the free ends of the spears of predetermined
the spears in side by side and parallel relationship
with respect to each other and for feeding thev
same in a single'?il'e to the holding means, a sta
in their travel along said path for separating the
tionary blade vgraduating in heightin kproportion
severed free ends of the spears from the remain’
to the position of advance of said conveyor and
cooperating with the holding means for cutting
the "spears transversely of their length with an
increasing depth of cut to sever the spears of
different thickness at separated points asl they
thickness from their buttends atseparatedpoints
ing spears, cushion rollers for receiving the sev
ered ends of said spears, meansy interspersed bey
tween siad‘cushion rollers and cooperating, with
the latter for cutting the. free endsl of the spearsl
into portions of predetermined length, and lmeans
2,383,228
for separately collecting the portions of said
spears at said points.
121
`
13. The method of sizing ‘asparagus compris
ing` advancing‘spears of asparagus along‘a pre-.
,
~ 10. A machine for grading asparagus compris
ing, a conveyor, impaling means on said conveyor,
determinednon-vertical plane and in a direction
substantially transversely to the axis of the
,conveying means cooperating With said conveyor
spears, and cutting the spears in a direction away
for feeding the spears of asparagus thereto, means
from said plane with a depth of cut increasing
for operating said conveyor for impaling the
proportionate‘to the distance `of `travel of said
butt ends of the spears presented thereto upon
spears, whereby spears of different thickness are
said impaling means and for moving the spears
completely severed atdifferent points 'of their
withlthe freev ends thereof protruding‘from the 10
14. The method of sizing‘asparagus compris
conveyor along a predetermined path, means for
ing translating spears of asparagus along a pre
severing the free ends of the spears of predeter
determined non-vertical plane and ina direc
mined thickness from their butt ends at separated
travel.y
points'in their travel along said path for separat-`
ing the severed free ends of the spears from the
remaining spears, means for receiving the severed
ends of said spears, means cooperating with the
receiving means for cutting the free ends of the
spears into portions of predetermined length,
Ü
.
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l
`
tion substantially transversely to the axis of the
spears, holding the spears with their butt ends
against said plane with the remainder of` the
spearsfree and unsupported during said. transla
tion, and cutting the spears in a direction away
from said plane with‘an increasing depth of cut
means for separately collecting the portions of 20 proportionate to their distance of translation,V
said spears at said points, and means for deposit
whereby spears of different diameters are severed
ing said portions in substantially parallel rela
. tion with respect to each other upon said collect
and deposited at different points of their travel.
ing
means.
‘
`
`
i
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11. A machine for grading asparaguscompris
ing, a conveyor, impaling means on said conveyor,
conveying means cooperating with said conveyor
1 15. The method of` sizing asparagus compris
ing rtranslating‘spears of‘asparagus along a pre- .
`determined non-vertical` plane and in Ja direction
substantially transversely to the axis of the spears,
holding the spears with their butt ends against
saidv plane‘with the remainder of the spears free
for feeding the spears of asparagus thereto, means
for operating said ‘conveyor for impaling the butt
andA unsupported during ‘said translation, `cutting
ends of the spears presented thereto'upon said 30 the spears in‘ a direction away from said plan'e
and substantially normal to the axis of the `spears
impaling` means and for moving the spears with
withV an increasing depth of cut proportionate
the free ends thereof protruding from the con
veyor along a predetermined path, means for‘sev
to their distance of translation, whereby the free
ering‘the free ends of the spears of predetermined
ends of the spears of different diameters are sev
thickness from their butt ends at separated points 35 ered from the butt ends thereof and deposited at
different‘points in the translation of saidspears,
, in their travel along said path for separating the
and separately collecting the free ends of the
severed free ends of the spears from the remain
spears at said points.
*
‘
l
'
ing spears, means for receiving the severed ends
16. Themethod of sizing‘lasparaguscompris
ceiving means for `.cutting the free ends'` of the 40 ing advancingspears ofI asparagus ‘alongï a pre
spears intol portions of‘ predetermined length,
determined non-vertical plane and4 in a direction
of said spears, means cooperating with the re
means'fo-r separately collecting the portions of
substantially‘transversely to the axis of the spears, i
holding the spears with their butt ends against i
said spears at said points, and a turn chute posi
tioned intermediate the receiving‘means and said
said plane with the blossom ends- of the spears
collecting means for aligning the portions of the 45 free and unsupported during said advancement,
cutting the spears in a direction `.away from said`
spears with respect to each other. `
v w l
.
v12. A machine for` grading asparagus compris-` `
ing, a conveyor, impaling means on said conveyor;`
plane with an increasing depth `of cut proportion- `
ate to ‘their distance ofv advancement whereby '
‘ the blossom ends of the spears of different diam
conveying means cooperating with said conveyor`
for feeding‘the spears of asparagus thereto, means 50 eters are severed from the butt ends'thereof and
for operating said conveyor for impaling the butt
deposited at diiîerent‘ points of their travel, sep
arately collecting the blossom ends of the spears>
ends of the spears presented thereto` upon said
at said points, and cutting the blossom ends colimpaling means and for moving the spears with
lected at each point into portions of predeter
the free ends thereof protrudingfrom the‘con--`
veyor along a `predetermined path, means for sev
mined length.V
‘
l
`
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v
u
1'7.` The method of sizing asparagus comprising
ering the free ends of the spears of predetermined
supporting one endy of the spears of asparagus ,
thickness from their butt ends at. separated points
with one side of the 'spears lying in a common
in their travel along said path for separatingthe
non-vertical plane, advancing the spears `side
severed free ends of the spears from the remain-`
ing spears, a plurality of >cooperating ,discharge 60 Wis’e while` so supported in a predetermined path
along said plane, and ‘cutting the spears during
rolls for receiving the severed ends of the‘spears
their travel with an increasing depth of cut from
.at said points, cutting meansa'ssociatedwith the
discharge' rolls for cutting said ends ofthe spears
said plane and substantially normal to the axis
into portions of predetermined length, a discharge
of the spears, whereby dependent ‘upon their
conveyor below said cutting means, a turn chute 65 thickness the spears are completely severed at
interposed between the discharge rolls and dis-`
different pointsl of‘their travel 'and the unsup
charge conveyor, and means for ‘operating said
ported ends of the severed spears are deposited at
discharge rolls for advancing the free ends of
18. The method of sizing asparagus compris
the severed free ends of the spears past said cut- .
ting means and for discharging the cut portions 70 ing supporting one end of each spear of asparagus
with one side »thereof lying in a predetermined
thereof into said `turn chute, whereby the" cut
said‘points.
.
'
'
.
portions of the spears received by‘said turn chute
non-vertical plane, advancing’ the spears v‘while‘
are deposited upon said discharge conveyor in
so supported sidewise lin a single file and in sub
stantially parallel relation along said plane; and `
substantially parallel relation With‘` respect to`
each other.
‘ cutting into thespears from said `plane and sub- ‘
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