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Патент USA US2510437

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June 6,1950
s. w. TRAYLOR, JR
2,510,437
GYRATORY CRUSHER WITH POWER HEAD ADJUSTMENT
Filed Sept. 15, ‘ 1946 .
Q
3 Sheets-Sheet 1
Samuel W?'aylaz; Jr:
5%
June 6, 1950
S. W. TRAYLOR, JR
2,510,437
GYRATORY CRUSHER WITH POWER HEAD ADJUSTMENT
3 Sheets-Sheet 2
June ‘6, 1950
'
s. w. TRAYLOR, JR
2,510,437
GYRATORY CRUSHER WITH POWER HEAD ADJUSTMENT
Filed Sept. 13, 1946
3 Sheets-Sheet 3
,
Q
Sam uel VIZ?gs/[01371:
2,510,437
Patented June 6, 1950
eYRArroRY CRUSHER WIT-H POWER HEAD .
‘
.
ADJUSTMENT
SamueLW; 'Tfayilor,‘ J r., Allentown, Pa.
7 Applibation ‘September 13, 1946; S'erialNo. 696,879 '
j “16-C‘laims. (c1. 241-;213)
The-eccentric has an eccentric bore-:2! iwhose
aXis;is_-.tilted
relative to the .axisuorf. rotation: of
the ty-peahaving :an ‘upright eshaitito». which :a
the ‘eccentric, the bore terminatin'gndownwardly
lgyratory‘imovem'ent‘is --imparted by;,-a ~rotary ec+
at
annular ?ange .22 whosetop surface con
'centricin which the'shaftxis-journaled for :free
in stituting; the bottom-'rof the here, is. ina plane
rotary movement causedwby~ther rolling got a
normal to the .aXis'~-0f ~the- ‘bore-“2|, the-?ange
head, secured vtolthet-shaft, {on the materialwbe
de?ning‘ra circular openingv 2 l '.
tween "it :andia ZCOIICHVG... ‘Such shafts are‘ ordi“
Reference numeral 23 designateswav nut having
narily axially slidable int-he eccentric and-ears:
a top; out-turned ?ange 2t bywhichvit is sup_provided‘ with an z'adjustabl‘e ‘ support at the upper
‘ported. on ?ange 22. through an anti-friction
or. l'loweri‘endv of the'shaft so that the~shaft can 10 bearing '25, the nut vbell'ligf603K121’:WithithEfbOI‘G
This invention relates to gyratory-rcrushers of
be adjusted verticallyxfor the -'purpose~—of»:posi
2i and: projecting, freely downwardly: through
tioningi the head " relative ~ to the = z-concave :- for a
‘opening 2!’.
Title or-coarseproduct', as-sther-ease'may require.
Ordinarily these shaft adjustments-are accent.
plishedmanually and while theyuarebein-glmade
Received in the .borev2liwithfreedom-of rota
-
tion is. a sleeve '21 which is supported by and
coupled with nut 23 through-a.- suitable coupling
the crusher has to be stopped.‘ It is an object of
the present invention-to provide a :power adjust6
ment ‘for the shaft in- one :or both di-rections,~g1e.-.
living’ the power a-for one adjustmentafrom. :the
rotary ,motion of the shaft "during-operation .of
the crusher and iorthe'opposite. adjustment,
from its gyratory motion. It is a further object
of the-invention to provide an improved bottom
support cfor :the.~shaf-t.>. Illustrative embodiments
ofwthe inventionare shown in the accompanying
drawings in which.
.
member 2 8 here 1 shown: as- :an Oldhamfs ~ or double
slider coupling. The interior of "the ‘sleeve is
enlarged: atv its ‘(upper end so that a-shoulder is
providedonwhieh is supported one portionZSyof
a spherical socket assembly whose other :portion
30 is held
place by a threaded-ring 31, the
socket assembly enlgagingaball 32 provided with
2."; a diametrieal‘bore ‘which freelyv receives the
lower cylindrical: portion 33 E of: the "crusher shaft
34. The lower end or the shaft is supported on
7
Figure 1 .iSx'an axial section of’: a crusher
and coupledwith the supporting portion or .plug
equipped .for' power).- adjustment .-of‘- the . shaft
either :up or- down,..
7
V
Figure .2 . is :a ‘section. substantially on. line .2-..-2
of..F'iguI'e_ 1, ,
The .‘nut engagesa threaded sup:
porting portion Ior ' plug 1 ‘26.11
26 : through an-O1dham*s'-“coup1ing v.35, ashore
30
v
shown. The nut 23, iplugézz?vand sleeve ZTwhich
is wcouple‘d- with the nut, ;constitute :an. . upright
cup-:like :bear-ing unit for~:the:s-haft :35, "the -.~plu'g
Figure .3 is a .se'ctionsubstantially on line _ 3--3
oi-fFigure 1,..,
_l
, Figure 4 is a section of a modi?ed v-iorm of
1constitutingthe'bottom end wallof the cup and;
apparatuswin. ,which “the - crusher .. shaft .is ad
justably supported ‘from above,\,substantial1y .on
?ared to a .circular rim: 36 whose inner and outer
line .1344 of Figure .5 of. a crushenequippedefo'r
includes>a ;ring~':,3-‘l> having a bottomv?ange-sll
vchanneled toimate with'fthe ‘rim ~36.- Ring-131
includes an inwardly‘v projecting :annular :Y?ang-e
38 havinga downwardly. ?ared inner :edge; rand
above‘ the flange ~38 :the ring-includeswa -.-eol'lar
here shown, being,verticallyadjustable;.
Theup-per end of easing section H ‘is upwardly
Walls convergesupwardly. The top; section [0
power. adjustment of the shalftinio'ne direction 7
only, and
.
V
V
Figure 5 ‘isan axial section of therupper por
tion ‘of‘a crusher, the ‘section being ‘takensub
stanti‘ally on line ‘5-5 off‘Figure '4.
‘
portion 173 9 ‘which ' terminates upwardly in: an‘ out.
Referring to "Figures'~"1"to~'3, the ‘crusher ‘comf
turnedv ?ange 48;. The :ringis :tiltablyyseeured
to thewrim' 3-6." 'byg'means of :bolts ; 4 l which pass
‘pris'es ‘arleframe iincludii1g’-‘»’an upper section * l0
and a-lower ‘section ll; The lower’ section'has
a hub ‘with a vertical bore @172 1in which, through
through :enlargejd openings; 'in'. the latter ' and in
?ange 38, the lower ends of the bolts heinggsur
the intermediary ~of~-'a-1bushing ‘13!,’ is ‘journaled
roundedvby compression ispringsi?? nWhiOh abut
‘upwardly against-the bottom ofzrim‘ ‘3t 'and‘down
as rotary member rorneeeentri'dz "comprising - a - 'cyl=
indrical: portion 14' and a} lower annular ?ange
I 5 irs-upported cont-van; rantisfri'ctiona :thrust bear
50 :ward-ly: against ' al's‘ectionali'zed ring reaso- ‘ that
ringa'él'l *is iyie'lidingly heldagaxinst rim 36 with
ing-J6; a lbevelzgeanil‘l ,bei-ng?xed to-z?ange I5.
the possibility of \ tilting ; relative atheretdsfas per:
Reference ~..-numeral ' 1-8 vdesignates: a horizontal
mitted Joy: thee-coupling 3-5; for~=-the»:rel-ief :of
shafir?oumaled in a-frame extension and having
?xedpn-onerenda pinioml 9 in engagement with
gear; I]; andnon the ,5 other: a drive :pulley
stresses;
55
,
'
Se‘atedagainst- andisu-pported by theiinner edge
3
2,510,437
of ?ange 38 is the mating marginal portion of a
concave 44, the concave having an outer face
?aring downwardly, and engaged between this
face and the inner face of collar portion 33 is a
wedge ring 45 which, through a top ?ange 46, is
bolted to ?ange 40 of ring 31 by means of bolts
41. Ring 45 is formed with a spider including
arms as at 48 which support a bearing housing
49 into which the upper end of shaft 34 extends,
the shaft end being supported by means of a 10
ball and socket arrangement, like that at its lower
end, for gyratory movement with capability of
axial adjustment. Ring 3'! also supports a feed
4
arrest the rotation of the latter as shown in Fig
ure 2. When this occurs, the rotation of nut 23
is also stopped, but since the shaft and the sup
porting member 26 continue to rotate, they will
be moved up or down depending on the direction
of the threads between the supporting member
and the nut. Preferably, the threads are left hand
so that when the nut is arrested, an upward
adjustment will be effected. The dog and notches
are so shaped that the latter exert an outward
camming effect on the dog so that the latter
has to be held to prevent being thrown out.
Should it be held too long so that the shaft or
hopper 50.
head jams upwardly, the resultant jamming of
Secured on an upwardly tapering portion of 15 the interengaged threads will cause the nut to
shaft 34 by means of a nut 5| is a head 52 which,
be rotated and gear 62, being thus driven, will
as here shown, includes a core 53 and a mantle
throw out the dog or at least Warn the operator
54, and in the space between the head and con
to release the handle.
cave is disposed a crushing ring 55 which is a
Gear 64, on the other hand, has a greater num-
preferred feature but forming no part of the 20 ber of teeth than gear 6|, the ratio as here shown
present invention, being claimed in my copend~
being 23-to-20. The size "relationship of the
ing application, Serial No. 643,033, filed January
gears is such that gear 6| can planetate about
24, 1946 now Patent No. 2,498,774, Feb. 28, 1950.
the axis of gear 64 in engagement with the latter.
As is well understood, when the eccentric is
In view of this ratio, gear 64 will normally be
driven from pulley 2!], the shaft 34 is given a 25 driven counter-clockwise.
gyratory motion. That is to say, its axis moves
Fixed on shaft 61 in the horizontal plane of
in a conical path whose apex is at the neutral
gear 64 is a dog 73 adapted to cooperate with
point 56 of the shaft.
Inasmuch as nut 23 is
notches 14 of gear 64 to arrest the latter as shown
always coaxial with the shaft, it too will gyrate
in Figure 3 and it will be noted that the relative
or planetate. Furthermore, since the supporting 30 disposition of dogs ‘H and 13 is such that both
portion 35 is coupled to the shaft and since the
are disengaged or one or the other is engaged
friction between it and the nut is greater than
with its ‘associated gear. When the rotation of
that between the nut and its support, the nut
gear 64 is arrested, the result is that gear 6|
will participate in the rotation of the shaft. How
will be driven clockwise a distance of 3 teeth
these movements of the shaft are taken advan
for each gyration. This angular movement is
tage of to effect axial adjustment in either direc
substantially greater than 10°, which is assumed
tion will now be described.
Keyed to the lower end of nut 23 are gears 60
to be the normal angle of shaft rotation for each
gyration, and, consequently, nut 23 is driven
and 6! having external teeth which, as here
faster
than member 26 so that the latter will be
shown, Figures 2 and 3, are generally triangular. 40 displaced
in a direction opposite to that in which
Surrounding gear 6|] is an internally toothed
it was displaced when the nut was held stationary
orbit gear 52 which, through a spacer 63 is sup
as in Figure 2.
ported on an internally toothed orbit gear 64
When dog 13 is out of contact with the orbit
which surrounds gear 6 I, gear 64 being supported
gear 64, and with gear 8! gyrating in a counter
on a shoulder provided by a cap member 65 45
clockwise direction and rotating in a clockwise
which forms the bottom portion of frame section
direction, approximately 10 degrees per gyration,
II. Gears 62 and 64 have cylindrical outer pe
gear 64 will rotate in a counter-clockwise direc
ripheries and are rotatably received in a cylin
tion a distance, in each gyration of the internal
drical cap portion 56 coaxial with the axis of
gear 5|, equal to the difference between the
rotation of the eccentric.
50 amount of rotation of the internal gear in said
As shown in Figure 2, gears 66 and 62 have
gyration (10 degrees) and the planetary advance
the same number of teeth and their size relation
in said gyration (three teeth, or approximately
is such that gear 66 can planetate about the axis
47 degrees), said difference being approximately
of gear 62 in engagement with the latter. If
37 degrees.
the gear 60 were not rotating, then its planeta 55
As noted above, however, when rotation of
tion would have no effect on gear 62. However,
gear 64 is arrested by dog 13, gear 6!, during
assuming the direction of shaft gyration to be
each gyration, will be advanced in a clockwise
counter-clockwise, then the crushing head, roll—
direction, a distance equal to three teeth or ap
ing on the material in the crushing space, will
be rotated clockwise. As a speci?c example, 60 proximately 47 degrees and the nut 23 will be
correspondingly advanced. Since the shaft and
assume the head to be 36” in diameter and to be
the threaded supporting member 26 rotate only
set to one inch on the closed side, then the head
would be rolling on a circle which is 37 inches in
approximately 10 degrees 'during each gyration,
diameter and its distance of rotation during one
the nut is advanced substantially 37 degrees with
complete gyration would be 3.1416 inches, and 65 respect thereto, thereby displacing the shaft rela
tive to the supporting nut.
clockwise.
_
The gears 64 and BI, in combination with dog
Reference numeral 61 designates a vertical rock
13, constitute means for transmitting force from
shaft journalled in the top and bottom walls of
‘the gyratory motion of the shaft to the nut to
a pocket 68 off of the cylindrical portion of the 70 rotate the same faster than the normal rotation
cap 65, the lower end of the shaft projecting
of the shaft in the same direction as the shaft
through a gland 69 and having secured thereto
during each gyration thereof, thereby to adjust
an arm 10. Fixed on the shaft in the horizontal
vertically the shaft with respect to the nut.
plane of gear 62 is a dog ‘H adapted to cooperate
It will thus be evident that merely by the ap
with notches 12 in the periphery of gear '62 to 75 propriate rocking. of shaft 61, the crusher shaft
gear 62 would be rotated to the same extent
7 “2,516,437
3
‘-eanébeéquickiyumovedeeither=up or=¢down while
the crusher "is ‘in’ operation ‘
While-in ~Figure~1ithe-géartatiods-i to l; it
will- be-evident that lthisi-ratio could "he varied ‘so
long as i the» ultimate" eifect'ris to "cause the nut = to
rotate-more slowly than-themainshafti If gear
62"‘had'tmore teeth-than gear fill;v then,» the same
as-in Figure the» outerg‘earwou-ld normallyxibe
eldriven-counter-clockwise -~so' that-noel l and the
surrounding theshe‘ad; amt .rotatably supponte'd
at one endȎof-:saidshaft;.a supportingrportion for
the shaft threaded in said inut and rotating "with
the shaft and ‘in turn normally .rotatingsaidenut
during operation of the “crusher, means operable
to arrest. rotation of said nut. with . the- shaft
whereby to ‘adjust vertically in onedirectionsaid
supporting portion and therewith the shaft .as
the result of relative. shaftrotation, andLm'eans
notches would" have to bedesig'liie'd toprevent 10 J transmitting forcefrom the gyratoryl motion of
the-shaft :to - the nut , to rotate :the s‘ameifaster
rotation in thatdirectiom
- In“Figurese/and?xeference numeral 80~desig.
notes a spider-isupported?bearing housing‘; into
which-proj ects the » upper end of a -»gyratory shaft
8-! whose"- lower-endl-is journal-led in‘ an eccentric 15
and-is-axiallyslidable therein-as in common prac
tice;- The --be'aring~ housing ' supports ‘a bushing
32 which surrounds- the shaft ‘amiss --bor'ed~> one
taper “to » accommodate the motion-of the shaft,
' andAsuppo-r-te'don- ~an~=outeturned ?ange? 83 of the
bushing is a bronze ring ;84~whic'h~has-aspherical
upper ‘surface generated about the ‘neutral. point
of the shaft;- Th‘e» threaded uppervend of = the
shaft,v whichin this case ccnstitutes-th'e/support
ing portion, isengaged ‘in a‘nut 85-which has a
bottom-spherical- »surfacehmating W'i-ththe spheri
cal-1 surface of» ring‘: 84~ and 5 rotatable thereon.
Formed on the upper‘end- of the‘ vnutisa gear 86
which is» gyrator-yv withirr an internally ‘toothed
gear 81 rotatably supportedvv the upper-partcf
thanthe'normal rotation of theshaftin- the same
' direction .as-the-shaft, whereby to .adjustlverti
cal-1y
the-other- direction said supporting-por
tioii- and shaft.
3 '. In
gyrator'y-‘c'rusher comprising an upright
shaftga rotary’meiin-ber in which-one~enduofasa-id
shaft - is eccentnoany .j ournaued. -and :isslidable,
a 'head- ?xed ‘on said shaft and-1a ?xed :coricave
surrounding the head, a nut‘rotatably-supported
at one end of said ‘shaft, a supporting portion for
the shaft vtl-n'ieaded- in ‘said- 1nut and ‘rotating with
the‘ shaft and in turn’ normally-rotating said. nut
during operation of’ the crusher, andacontrol
l'able drive to said nut :derived from,» the gyr'atory
motion-ofth‘e shaft for driving‘, the nut faster
than-the normally rotating‘ shaftiwhereby to vad
just-vertically said supporting portion and shaft.
4. In a gyratory crusher comprising anuprig‘ht
shaft,‘ a rotary memberin'ohe end-aof'said
the housing _- on the‘ vertical ‘axis of i the crusher.
shaft is '- eccentric al-liy j ournall‘ed and - is _ slidable,
At -o-ne-side,- the~~housing is \-enila‘rged-ito provide
a pocket 88 through’whicltricirtendseavertical rock
a head fixedon- said shaft and a fixed-concave
surrounding the ‘head; a ‘nut rotatabl-y supported
at oneend of said-‘shaft-forgyratory movement
shaft 89 whose lower end is accessible-formant!)
ulatio‘n, and-l within the pocket the - shaft has i ‘I therewith; j a- supporting » portion- -for'-- the shaft
thre'adediin said-hut and rotating with the's'haft
?xed thereto dogs's?iand- :9 (‘in angular relation.
andi-in- turn- normally rotating “said mit- during
Assuming that the-direction-of normal shaftro
operation-~01? thecrush‘er, an~externallytoothed
tation is ‘clockwise, then.» just as in Figure 2, gear
inner- planetary ‘gear ?xed-to said-nut, an inter
8? is-norrnally driven-cIockWise.v Itsrotation- can
nail-y‘ toothed outer ~ orbit gear surrounding- said
be arrested by’ swingingrdog 90 into a notch-‘~92
inner gear and mounted for-rotation'on-e-?xed
in~=theperiphery of gear-81‘; and in that case, the
axis, said gearshavi-ng a size and tooth ratio ef
rotating shaft will thread itself upwardly if pro
footing" simultaneous ‘gyratorylr .planetation- of
the inner vgear within theouter- geanwnne-ro
shaft is not sufficient to enable.v it tobev taken ad 45 -, tatingr the latter with ,tlie‘sha‘ft; andmeans-fer
vided with a left-hand thread as shown in Fig
ure.-5. The. gyratoryni‘otion at the; top of the
vantage of as in Figure 3.: However; by swinging
dog 9! into engagement with a notch 93 of gear
ti, the nut .can be held against rotation while the
arresting rotation of they outer >gear,~the‘-;ratio be
tween the gears being such ‘that when theeouter '
gear is arrested, the speed and degree‘. of rotation
of the ‘inner'ig‘ear and nut-are “less than that of the
inserted in notches as at~-'9’4jinjthe upper -; endv 50 shaft- and said "supporting vporticm"so, that the
supportingmember 'and'saidshaft w-i'llvbe- dis
ofv the head. With dogs -90"and191'fboth‘inrneutral
placed vertically in one‘ direction duejto relative
position; nut '85 rotates with shaft‘ Bi and carries
‘shaft is‘ manually turned fas ‘by'means :of :a; bar
It will‘be‘ understood that variations inthe?form
and arrangement of"‘par,ts_ other than. those
shown are. possibie vand‘ ' are ' contemplated ;under
the invention as de?ned in the following, claims.
I claim:
I. In a-gyratory crusher comprising anupright
shaft
rotation.
51 Structure‘ according
to claim liwh'erein the
gear ratio is 1130 l:
6. ‘Structure-according; to claim 'ltwher‘ein thfe
nut‘isqat the lower end ‘of ‘the shaft'and‘wherein
saidjs'upportinsj portion comprises .‘a. member 116
heath the shaft and coupledthereto by; annihi
shaft, a rotary ‘memberiin‘whichjpne endjof said»l 60 ham .coupl‘ingi-n'. a manner to pperfniltjrela‘tive tilt
‘shaft is 'eccentri'cally j‘ournalled and is slidable,
ahead fixed on vs'aicfslraft.and a ?xedjconcave
surrounding the‘ head; 'a' mit‘ro'ta'tably supported
ing of theshaftn
'
'7‘. Structure-according to, clef-mal {wherein the
nutis-at-theiuppenendveithe shaft andwherein
at one end of said shaft, a supporting portion for
said supporting portion is the upper end of the
the shaft threaded in said nut and rotating with 65 shaft.
the shaft and in turn normally rotating said nut
8. Structure according to claim 1 wherein
during operation of the crusher, and means oper
means is provided to cause rotation of the nut
able to arrest rotation of said nut with the shaft
in the same direction as the direction of nor
whereby to adjust vertically in one direction said
mal
shaft rotation and at a faster rate, to ad
70
supporting portion and therewith the shaft as
just in the other direction, the supporting por
the result of relative shaft rotation.
'
tion and the shaft relative to the nut.
2. In a gyratory crusher comprising an upright
9. Structure according to claim 2 wherein the
shaft, a rotary member in which one end of said
nut is at the lower end of the shaft and wherein
shaft is eccentrically journalled and is slidable,
a head ?xed on said shaft and a ?xed concave 75 said supporting portion comprises a member be
7
2,510,437
neath the shaft and coupled thereto in a manner
to permit relative tilting of the shaft.
10. In a gyratory crusher comprising an up
right shaft, a rotary member in which one end
of said shaft is eccentrically journalled and is
slidable, a head ?xed on said shaft and a ?xed
concave surrounding the head, a nut rotatably
supported at one end of said shaft for gyratory
movement therewith, a supporting portion for
the shaft threaded in said nut and rotating with 10
the shaft and in turn normally rotating said nut
during operation of the crusher, an externally
toothed imier planetary gear ?xed to said nut for
gyratory movement therewith, an internally
toothed outer orbit gear surrounding said inner
gear and mounted for rotation on a ?xed axis,
said gears having a size relation permitting gyra
tory planetation of said inner gear in engage
8
ting gyratory planetation, of said second inner
gear in engagement with said second outer gear
while rotating the same, and means operable to
arrest rotation of said second outer gear, the
tooth ratio between said second inner and outer
gears being more than one to one, whereby, when
said second outer gear is arrested, the gyratory
planetation of said second inner gear will cause
said second inner gear and nut to be driven in
the direction of normal shaft rotation at a speed
greater than that of the shaft so that said sup
porting portion and therewith said shaft will
be displaced vertically in the opposite direction.
13. Structure according to claim 12 wherein
the nut is at the lower end of the shaft and
wherein said supporting portion comprises a
member beneath the shaft and coupled thereto
in a manner to permit relative tilting of the shaft.
ment with said outer gear while rotating the
14. In a gyratory crusher having a stationary
same, and means operable to arrest said outer 20 lower frame, a member supported for rotation
gear, the tooth ratio between the inner and outer
in said frame on a ?xed vertical axis and having
gears being more than one to one, whereby when
an upright cylindrical bore disposed on an axis
said outer gear is arrested, the gyratory planeta
which is eccentric with respect to and inclined
tion of said inner gear will cause said inner gear
from said vertical axis, said bore terminating in
and nut to be driven in the direction of normal 25 a bottom surface normal to its axis, an upwardly
shaft rotation at a speed greater than that of the
facing cup-like bearing unit supported coaxially
shaft so that said supporting portion and, there
in said bore by said bottom surface, and a crusher
with said shaft will be displaced vertically in one
shaft having its lower end disposed coaxially
direction.
within said unit and supported against downward
11. Structure according to claim 10 wherein 30 movement exclusively by said unit.
the nut is at the lower end of the shaft and
15. A crusher in accordance with claim 14
wherein said supporting portion comprises a
characterized by the inclusion of antifriction
member beneath the shaft and coupled thereto
bearing means between the bottom of said mem
in a manner to permit relative tilting of the shaft.
ber and said unit.
12. In a gyratory crusher comprising an up 35
16. Structure according to claim 14 wherein
right shaft, a rotary member in which one end
the cup-like bearing unit includes a bottom end
of said shaft is eccentrically journalled and is
wall forming element constituting the support
slidable, a head ?xed on said shaft and a ?xed
for the shaft and wherein said element is ver
concave surrounding the head, a nut rotatably
tically adjustable for vertical adjustment of the
supported at one end of said shaft for gyratory 40 shaft.
movement therewith, a supporting portion for
SAMUEL W. TRAYLOR, JR.
the shaft threaded in said nut and rotating with
REFERENCES CITED
the shaft and in turn normally rotating said nut
during operation of the crusher, an externally
The following references are of record in the
toothed inner planetary gear ?xed to said nut,
?le of this patent:
an internally toothed outer orbit gear surround
UNITED STATES PATENTS
ing said inner gear and mounted for rotation
Number
Name
Date
on a ?xed axis, said gears having a size and tooth
ratio effecting simultaneous gyratory planetation
269,193
of the inner gear in engagement with the outer 50
463,539
501,843
gear while rotating the latter with the shaft,
means operable to arrest the outer gear, the ratio
525,410
between the gears being such that when the outer
525,443
gear is arrested, the speed and degree of rotation
666,129
of the inner gear and nut are less than that of 55
799,647
the shaft and said supporting portion, so that
1,176,834
the supporting member and said shaft will be dis
1,405,878
placed vertically in one direction due to relative
1,630,194
shaft rotation, a second externally toothed inner
1,953,472
planetary gear ?xed to said nut for gyratory 60 2,135,324
movement therewith, a second internally toothed
2,147,833
outer orbit gear surrounding said second inner
2,256,134
' gear and mounted for rotation on a ?xed axis,
‘said second gears having a size relation permit
2,327,389
Gates ____________ __ Dec. 19,
McCully __________ __ Nov. 17,
McCully ________ __ July 18,
Gates ____________ __ Sept. 4,
1882
1891
1893
1894
Carman et a1. _______ Sept. 4, 1894
Chester __________ __ Jan. 15,
I-Iart ___________ __ Sept. 19,
Kennedy ________ __ Mar. 28,
Torrance __________ __ Feb. 7,
1901
1905
1916
1922
Malone et al ______ __ May 24, 1927
Fahrenwald ______ __ Apr. 3,
Brown ____________ __ Nov. 1,
Fahrenwald ______ __ Feb. 21,
Bornay __________ __ Sept. 16,
1934
1938
1939
1941
Annesley ________ __ Aug. 24, 1943
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