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Патент USA US2378256

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June 12, 1945.
I
- w. A. TH-UM
I
2,378,256
HEEL GLUING MACHINE
'
Filed March 20, 1942
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June 12, 1945.
W. A. THUM‘
2,378,256
HEEL GLUING MACHINE
Filed March 20, 1942
4 Sheets-Sheet 2 ’
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June 12, 1945. .w v
w. A. 'THUM ‘
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2,378,256
HEEL GLUING MACHINE
Filed March 20,- 1942
4 Sheets-Sheet 3
IN VEN 7/0
2,378,256
Patented June 12, 1945
- UNITED
'
'
STATES
'
'
PATENT OFFICE
2,378,256
'
HEEL GLUING MACHINE
Walter A. Thum, St. Louis, Mo.
Application March 20, 1942, Serial No. 435,533
(o1. 12—80) "
Figure 5 is a fragmentary detail sectional view ‘
taken approximately along the line 5-5 of Fig
My invention relates generally to shoe ma
chinery and has more‘ particular reference to a
machine for the application of glue to the cup
ure 4;
.
.
.
Figure 6 is a side elevational view of the ma
of a shoe-heel.
' The shoe heels which my invention is intended‘
to Work upon are made with a cup or hollowed
being shown broken away and other parts in sec
out portion to ?t the contour of the heel-seat *
tion;
chine with the housing in place, parts thereof
Figure 7 is a sectional View taken approximate
of the shoe to which the heel is to be glued in the
ly along the line 1—1 of Figure 6, but showing
process of making the shoe. This cup or recess,
‘ which ‘is relatively shallow, opens at full depth
' at the front or breast of the heel but thins out to
the side and rear edges or are of the heel. Mak
ing an effective junction of the heel with the-shoe,
it: the several parts of the machine in positions cor
responding to Figure 8;
Figure '75L is a fragmentary view with the heel
rest in its elevated position between the arms,
said heel-rest being in horizontal alignment with
it is desirable that the cup should be'glued uni
formly over its central area, while leaving the
.margin of the arc of the heel free of the glue for
preventing extrusion of the glue in an unsightly
manner when the heel and the shoe are clamped
the bight of the grooves;
,
-
Figure 8 is an enlarged fragmentary detailed
sectional view, showing the carriage in lowered
position with the closed end of the cup of a sup
ported heel in glue-printing engagement with the
tion has for one of its objects the provision of a 20 glue transfer roller, other parts of the machine
together. With the foregoing in mind,'my'inven
being broken away;
' machine for the application of glue to the cup of
a shoe-heel, wherein a ?lm of the glue covers
trating the heel with the masking and supporting
the-central portion of the heel-cup, while leaving
means looked around the periphery thereof ;~‘
a narrow band or margin of unglued surface
around thetarc of the cup of the heel.
,
Figure 9 is a top plan view of the machine illus
I a
‘ It will also be readily seen that a merewiping
process for the gluing operationwis quite imprac
Figure 10 is a side elevational view of the ma
chine with the housingvin place and partly broken ,
away for disclosing the lock in retracted or re- '
leased position; and
1
'
ticable if such a glue-free'margin is to be main
Figure 11 is a fragmental sectional View, illus
tained around the arc of the heel, more especially
along the rear side thereof. My invention, there 30.. trating the carriage during movement to its ele
vated position.
fore, has for a further object the provision of a
Preliminary to a description of the machine, machine for the application of glue to the cup
attention is directed to Figure 3, which, as will be
of a shoe-heel wherein the side and rear margins
understood by those skilled in the art, is an illus
of the cup are masked, and the glue is printed,
not wiped, through the mask onto the central un 35 tration, or top plan view, of the hollowed-out '
masked portion of the cup of the heel.
cup at of a heel H. The rear side or closed end of
the cup at is bounded by the raised lip or are e, f,
g, of the heel H, while the front side or open end
my invention resides in the new and novel fea
of the cup a is bounded by a raised lip on merely
tures of form, construction, arrangement, and
combination of parts hereinafter described and 40 its two sides e, g, the hollow of the cup being out '
And with the above and other objects in view,
more particularly pointed out in the claims.
In the accompanying drawings (three " sheets),
Figure 1 is a side elevational Viewvv of one form
of a heel-gluing machine embodying my inven
tion;
‘
>
through the front face h of the heel. In accord
ance with my invention, a ?lm of glue b is shown
applied to the heel H in such a manner as to pro
vide a glue-free margin 0 between the glue b- and
45 the are e, f, y. of the heel-cup a.
'
‘Figure 2 is an enlarged fragmentary detail view
Referring now more in detail and by reference ‘
characters to the, drawings, which illustrate a
preferred embodiment of my invention, the ma
ure 9;
~
chine, generally. designated A, includes a base I‘
Figure 3-is a top plan view of a heel showing
the heel-cup with a ?lm of glue applied thereto 50v mounted, as by clamps 2, on the respective hori
zontal portions 3'of a pair of laterally spaced
according to my inventionj
floor'stands whose respective vertical members or
Figure 4 is a top plan view of the machine,
legs 4 have floor ?anges 5 for engaging a ?oor,
the housing being removed and other partsbroken
taken approximately ‘along the line 2—2 of Fig- ‘
away, the several parts being shown in normal
55
or initial heel-receptive position;
as
6.
‘
'
'
A foot pedal 1 is fulcrumed, as at 8, on one of
2
2,378,256
the legs 4' of the stand, and has a link connec
adjacent side wall of the rail 35 or 36, as the
tion 9 with a crank |0 mounted on a shaft l|
case may be, and biased by means of a suitable
torsional member or spring 5| for causing the
journaled in bearings |2 mounted on the horizon
dog 49 to normally incline or depend obliquely
tal portions‘ 3 of the stand. The shaft II is dis
posed transversely in front of the machine A and 5 rearwardly through the slot 41 into engagement
with the ?oor of the way 4|. Upstanding from
carries a downwardly presented arm l3, from
each of the rails 35, 36, is an ear 52 carrying a
which is suspended a counterweight M, and an
pintle 53, on which is swingably mounted an
upwardly presented arm |5 to which is pivoted a
other dog or ?ap-member 54 adapted to have
link- or pitman l6 adapted normally to extend
rearwardly from the arm l5 over the machine A. 10 its free end normally rest on the shelf 48 in sub
stantial alignment with the rear margin of the
Around the periphery of the base | of the ma
slot 46. The ear 52' carries a lateral stop 55
chine A, is suitably seated a rubber sealing strip
designed to limit the upward swing of the dog
l1 adapted to be normally engaged in turn by
54, all as best seen in Figures 4 and 6.
.the continuous bottom face, as N3, of the respec
C designates a reciprocable carriage having a
tive side and end walls of a machine housing or
frame which includes laterally spaced side bars
inverted box-like cover l9. Adjacent the bottom
56, 56', connected, preferably integrally, by a
margin of the rear end wall of the cover I9, is
rear cross-bar 51. Upstanding from the inner
a lug 20 adapted for engagement by a hook 2| on
margin of each side bar 56, 56’, is a rib 5B, and
the base I, and adjacent the bottom margin of
the front end wall of the cover I9, is another 20 mounted on the ribs 58 near the front of the
carriage C, is a transverse bridge or cross-bar
lug 22 adapted for engagement by a clamp 23
59. 1 Each side bar 56, 56', has a depending lug
pivoted on the base I, whereby the cover |9 may I
66 adjacent its‘ front end; each lug 60 carries
be compressibly, though removably_ mounted on
an axle 6| on which is journaled a roller 62; at
the base I in sealing engagement with the rubber
its
rear end, each side bar 56, 56’, also has a de
strip H, as best seen in Figures 1 and‘ 7.
25, pending
lug 63, and through the pair of lugs 63
In its top wall, the cover ,|9 is provided with
extends a single axle 64, on the projecting ends
an aperture 24, and around the aperture 24 is
of which are journaled respective rollers 65.
likewise suitably seated a rubber sealing strip 25
Each respective pair of rollers 62, 65, on a side
adapted to be engaged by a lid 26 hingedly sup
ported, as at 21, on the cover IS; the cover l9 30 of the carriage C is. adapted to work in the ad
jacent Way 4|, whereby the carriage C is sup
has a back-stop 28 which supports the lid 26
ported for longitudinal movement parallel with
in its open position. Hinged on the frontal top
and between the rails 35, 36. ,
side‘ of the cover I9, is a clamp 29 ‘for engaging
. Attached, preferably integrally, to the center
a lug (not shown) on the lid 26, whereby the
same may be compressibly, though removably, 35 of the rear cross-bar 51 of the, carriage C is a
pintle block 66, and upstanding from the cross
engaged sealingly on the rubber strip 25 for clo
bar 51min front of the pintle block 66 is a pair
sure of the aperture 24 subsequent to removal or
of spaced pintles 61. The pintles 61 swingably
swinging back of the pitman l6, as occurs when
support a pair‘of arcuate so-called clasping arms
the machine is not in use.
Preferably formed integrally with the machine, 40 68, the block 66 being suitably recessed to receive
the hubs’ of the arms 68, a cover-plate 69 being
base |, is a glue basin B having spaced parallel
rempvably attached to the block 66 for retaining
side walls 39 and end walls 3|. One of the side
the arms 68 on the pintles 61. The free ends 10
walls has a spout 32 through which a supply of
of the arms 68 extend forwardly into the space
suitable liquid adhesive or glue 33 is introduced
into the basin B when preparing the machine 45 between the carriage side bars 56, 56', each arm
end 10 being provided on its inner face with a
for use, as best seen in Figures 6 and '7.
channel ‘I l, as best seen in Figure 7a.
Mounted on each of the basin side walls 30, as
A ?exible and elastic U-shaped member, here
best seen in Figure 7, is a side frame 34, and, in
inafter referred to as the work-support D, and
turn, mounted on the side frames 34 are respec
tive parallel channel-shaped side frames or rails 50 composed of resilient material,v as rubber or the
like, has its respective free ends mounted in the
35, 36; the rail 35 only has on its upper ?ange or
also respective channels ll of the clasping arms
.side 31 a stop 38, as best seen in Figures 2 and 4,
68; the bight d’ of the work-support D is an
for a purpose presently appearing.
chored to the pintle block 66 by being engaged
A front cross-member 39 connects the side
rails 35, 36, and forms a front closure or stop 40 55 between a hook 12 on the block 66 and another
hook 12' on the cover-plate 69, as best seen in
for the respective channels or ways 4| of the
Figure 8. As will presently more fully appear,
said side frames 35, 36; also connecting the rear
the bight d’ forms a so-called rear rest for dis
ends of the side-rails 35, 36, is a cross member
posing the work or heel H in a de?ned position
42 forming rear closure-stops 43 for the respec
tive ways 4|. The member 42 carries a forwardly 60 on the carriage 0.
Provided on the inside face of the member D
projecting platform 44 located in a central po
is a longitudinally continuous V-shaped groove 13
sition between the rails 35, 36, for a purpose
adapted to receive the heel-edge or are e, f, g,
presently appearing and as best seen in Fig
of the heel H. The lower wall of the groove 13
ure 4.
.
Intermediate ‘its ends, the top ?ange 31 of 65 is formed by a coextensive rib or masking mem
ber d, as best seen in Figures 7a and 7. As
each of the respective side rails 35, 36, is pro
will presently more fully appear, the member D
vided with a slot or cut-out 45, and near its rear
is adapted to embrace the are e, f, g, responsive
end each flange 31 is provided with a pair of
to heel-clasping movement of the arms 68, where
spaced slots 46, 41, with a ?ange-portion or shelf
'48 therebetween, all of said slots 45, 46, 41, 70 by the heel H is gripped or supported by and be
tween the V-shaped walls of the groove 13, while
communicating the top side of the ?ange 3‘! with
concurrently therewith the rib d is extended in
the way 4| therebelow.
wardly from the arc of the heel so as to mask
Mounted adjacent the forward margin of the
the margin 0 of the heel-cup a.
rearmost slot 41, is a swingable member or_dog
49 carried by a pintlev 50 fulcrumed through the 75 E designates a slide or wedge-operator,- which
3
2,878,256
includes ‘a cross-head ‘I4 disposed transversely
sionally connected,‘ as by av spring II8, with the
on and at the rear of, the carriage C, and a pair ,
lever I82;v The upper end of the latch-lever I8'I
is provided with a detent III, as‘best seen in
of spaced cams or'wedge-members ‘I5, attached
to the'cIoss-head ‘I4 and projecting forwardly
therefrom, one wedge ‘I5 being disposed on each
side of the pintle-block 66, the inclined face of
Figure ‘6.
5 .
each wedge ‘I5 being opposed to one of the clasp-i
ing arms“, ‘as best seen in Figure 4.
‘
-
vA shaft H2, preferably journaled. in suitable
bearings II3 formed in the joint between the re
spective side rails 35, 36,‘ and the side frames 34,
extends likewise transversely of the machine
above and to the rear of the lever shaft I88. F
Attached to' each wedge ‘I5 is a slipper-bar ‘I6, .
which extends forwardly past the adjacent arm 10 designated a so-called heel-rest lifter, which in
cludes two cranks II4, one adjacent to each of
68 for working in a guide or recess 'I'I formed
the respective side rails 35, 36, and which are
in the corresponding rib 58 of the carriage-frame,
journaled on the shaft I I2, from which the cranks
whereby the slide E is guided for'reciprocable
'II4 extend forwardly in the machine and are
longitudinal movement relative to the clasping
arms~68, for a purpose soon appearing, and as 15 connected by a cross-beam II5 parallel with the
shaft II2.‘ Stop-brackets II6 extend inwardly
best seen in Figures 4 and 7.
, .-_
At each end of the cross-head ‘I4 is a depend
ing ear ‘I8, to which is pivotally connected, as
at ‘I8, one part 88 of a tension responsive member
or‘ composite link 88—8I, of which the part 8| is 20
‘ shiftable or extensible relatively to the part 88,
although a suitable tensional member or spring
82 serves to normally bias the part 8| in retracted
from the respective. side frames 34 and serve to
support the beam I I5 when in its lowermost posi
tion, but when the beam H5 is in itsinitial or
upper position, it ‘is engaged with the detent
II I, whereby the lifter F is releasably supported
in such position by the latch-lever I81.
Upstanding from each crank I I4, is an arm I I1
carrying at its upper end a lateral pin I I8 adapted
position relative to the part 88.
‘
, Each ,link 88—8I extends forwardly on the 25 to work in a way II8 extending longitudinally
on the under side of the adjacent one of the
carriage C alongside a corresponding one of the
ribs 58 and has pivotal connection, as at 83,
with respective arms 84, 84', located at opposite
carriage side bars 56, ‘56', the ways H9 being
open at their forward ends for ease in mounting
the carriage C in 'the machine.
ends of a, crank-shaft 85 journalled in suitable
Upstanding from the beam I I5, is a yoke I28 of
bearings 86' on the bridge-piece 59 of the car 30
an inverted U-shape, the horizontal portion or
riage C, the crank-shaft 85 having a crank 81
bight of the yoke I28 forming a guide rod for a
intermediate the bearings 85, which crank 81 is
pair of opposingly slidable wedge-shaped mem
normally disposed in an approximately. vertical
, position relative to the carriage C, as best seen
in Figure 6.
'
_
~
The crank 81 is adapted to be removably en
bers or so-calledfront heel-rests I2I, the small.
35 ends thereof being opposed one to another on the
yoke I28. At its outer end, each heel-rest I2I is
provided with'an inverted .U -shaped extension or
apron I2I' which serves to shield the yoke I28
head 89 of the pitman I6; a keeper-plate 98 is
from glue and thus avoid obstructions to free
removably attached to the head 89 as by a cap
' screw 9| for retaining the crank 81 in the notch 40 movement vof the rests I2I thereon. By means
of an interposed spring I22, the rests I2I are
88. A post 92, upstanding from the front end of
suitably biased so as to follow the clasping arms
the carriage C, serves as a support for the pit
68 in their swinging movement, stops I23 serving
man-head 89, when the latter is in its normal
to limit the outward travel of the heel-rests I2 I,
position, as best seen in Figure 6.
as best'seen in Figures '7 and 7a.
,
‘Projecting laterally from the front end of the
gaged in a groove 88 provided in the free end or
- rib 58 of the side bar 56 of the carriage C is a '
_Mounted on the shaft H2, is a glue-transfer
or printing roll I24 of sponge-rubber or the like.
’lug.93. Slidable on the side bar 56 in the rear
The position, of the printing roll I24 in the ma
, of the lug 93, and normally disposed in the path
chine bears a de?nite relationship to the refer-.
of swingable movement of the adjacent crank
arm, as 84, is a latch-head 94 having a stem 95 50 ence point d’ of the carriage ‘C when the latter
is in its initial position, which relationship will
slidably mounted in a bore 86 in the lug 93 with
more particularly be presently pointed out. It
a tensional member or spring 91 mounted on the
stem 95'between the lug 93 and the head 94 for ' su?ices here merely to say that the roll I 24 is
normally yieldingly biasing thehead 94 in, spaced
relation to the lug 93, a retainer, as at 98, being
provided for preventing the escape of the stem'95
from the bore 96‘.- On the latch-head 94, is an
ear 98 projecting over the adjacent side rail 35
and adapted, on rearward movement from initial
preferably spherical in shape, is very elastic,
and has the property of carrying a ?lm of glue
on its peripheral surface.
'
The roll I24 is secured at its opposite ends to
respective hubs I25 mounted on and secured to
the shaft II2. Each hub I25 is equipped with
position of the carriage C, to engage the stop 38 60 a ratchet-wheel or gear I26. Adjacent each hub
on the rail 35, for a purpose later appearing, all
as will best be understood from Figures 2 and 4.
Pivotally mounted, as at I88, on a shaft I8I
I25, is a gear I21 journaled on the shaft H2
and carrying a pawl I28, biased by a spring I29,
for co-operating with its adjacent ratchet wheel
extending ‘between and supported by the main
I26, as best seen in Figures 7 and 8.
frame side-members 34, is a lever I82 having a 65
Each gear I21 has toothed cooperation with
laterally and upwardly extended arm I83 carry~
a rack I38 located in a channel or recess I3I
ing a, toe I84 disposed normally above the car
formed in the under side of the adjacent rib 58
riage side bar 56', so as to be in the path of swing
of the corresponding side-bar56 or 56', as the
ing movement of the adjacent crank-arm, as 84’.
case may be, of the carriage C. Each rack I38
A rod or link I 85, attached to the lever I82, has 70 is swingably mounted at its forward end on a
pivotal connection, as at I86, with a latch-lever
pin I32 mounted ‘in the rib-walls, and the free
I81 fulcrumed at its lower end on a shaft I88
or rearward end of the rack I38 is biased upon
vwhich extends transversely of the machine be
its co-operating gear I21 by means of a tensional
tween the side frames 34. An arm I89 of the
mengber or leaf-spring I 33, as best seen in Fig
lever I8] depends below the shaft I88 and is ten 75
ure
.3
.
.
I
4
2,378,256?
The shaft H2 is extended at each end-through
the respective bearings II3. On one so-extended
pitman head 89, engaged with the crank 81, has
end of the shaft I I2 is secured a gear I34, which
turns with the shaft H2 and has co-operation
swung about the shaft 85 as a center and landed
on the rest.92, the rotation of the shaft 85 mean
while having disposed the arms 84 at their rear
with a subjacent gear I35 secured to one end
of a shaft I 36 extending transversely between
}ward swung position and having thereby,
through the respective combination-links 80—8I,
the glue basin side walls 30 and journaled in
moved the cross-head ‘I4 and its attached wedges
"I5 to corresponding rearward position, so that
the latter are thereby disengaged from the clasp
suitable bearings I31 respectively provided in the
joint between the respective side basin wall 30
and the side frame walls 34.
_ ing arms 68.
I
On the shaft I36 is secured a glue-feeder roll
'Likewise, the elevated position of the beam
II5 of the lifter F has disposed its carried yoke
I38 of suitable material adapted to turn with
I20 immediately under the clasping arms 68
the shaft I36; the roll I38 is in registration with,
(notwithstanding that the carriage is at- this
and has a contour complementary to, the print
ing roll I24 for feeding the glue 33 from the glue 15 time also in lifted position), so that the heel
rests I2I are disposed between the clasping arms
basin B to the surface of the printing roll I24;
08 with the topmost part of the heel-rests I2I in
the gears I34, I35, are preferably selected so
horizontal alignment with the work-support d of
as to drive the rolls I24, I38, at the same periph
the masking member D. The masking member
eral speed.
At the other extended end of the shaft H2 is ‘20. D, it may here be said, has sufficient elastic or
tensional bias for moreover swinging the clasping
a gear I39, which also turns with the shaft H2
arms 58 to wide-apart or so-called heel-receptive
and has co-operation with a gear I40 secured to
one end of a shaft I4I which extends trans
versely between, and likewise freely ‘through
apertures I42 provided for the purposes in, the '
side frames 34, as best seen in Figure 7.
position, as shown in Figures 4 and 7".
Here it may be said that the particular position
of the glue transfer or printing roll !24 ,relative
to the carriage C is such that, when the carriage
C is in its above-described lifted position, the
plane of the work-support dis spaced substantial
ly above the top of the printing roll I24, but with
the reference point d’ located rearwardly a suit
able distance from, that is to say, approximately
half of a radius of, the axis of the roll I24. It
may \be also pointed out that, notwithstanding
free end of each arm I44 has an eye I46v through
the elevated position. of the carriage C, the racks
which works the shank of a thumb-screw or bolt
I41 adjustably threaded through a bracket I48 :0 (a I30, pivoting about the pins I32 under bias of
the springs I33, continue to have functional en
projecting from the adjacent side frame 34. The
gagement with the respective gears I21.
threaded portion of the bolt I4‘! ends in a shoul
The respective extreme ends of the shaft I4I
are journaled in bearings. I43 provided in also
respective side arms I44 of a yoke I44’, each arm
I44 being swingably mounted, as at I45, on the
correspondingly adjacent extreme end of the
shaft II2,»as best seen in Figures 7 and 8. The
The above‘ description of the normal or in
itial position of the machine will best be‘under
I46. The shank of the bolt I47 is also threaded
and carries a nut I50; a spring I5I is interposed 40 stood by an examination of Figures 1, 4, and 6.
Proceeding now to a description of the use of
between the nut I50 and the eye I46 for tension
the machine of my invention, as a ?rst step the
ally biasing the same against the shoulder I49,
operator mounts the heel H in inverted position
as best seen in Figure 6.
1
in the machine by placing the rear edge I of the
Secured to the shaft I4:I for rotation there
45 heel on the reference point d’ of the work-sup
with, is a wiper roll I52 which is located in reg
port d; next the operator places the heel side
istration with, and has‘ a contour complementary
edges e, g, on the respective heel-rests MI, and
to, the‘feeder roll I38, the respective gears I39,
then steps on the foot pedal ‘I. The downward
I40, being proportioned to drive the rolls I38,
stroke of the pedal ‘I effects a rearward stroke
I52, at about the same peripheral speed. By
der I49 which bears on one side of the lever eye‘
suitably adjusting the respective bolts I41, how
ever, the periphery of the Wiper roll‘ I52 may be
spaced suitably from the periphery of the feeder
roll I38 for predetermining thev thickness of the
film of glue on- the latter and thus, in turn, reg
ulating the quantity of glue fed from the roll '
I38 to the transfer roll I24, as best understood
of the pitman IE, but since the carriage C, being
blocked by the dogs 54, cannot for the moment
be moved, the pitman I6 rotates the shaft 85
through the crank 81, meanwhile departing from
the rest 82; the rotation of the shaft 85 swings
the arms 84, 84', forwardly, whereby, through the
respective composite links 80-8}, the cross-head
‘I4 and its carried wedges ‘I5 are shifted also for
wardly until the wedges ‘I5 are engaged with the
In its normal or initial position, as shown in‘
respective clasping arms 58. Continued forward
Figures 4 and 8, the carriage C is disposed with
(ii) movement of the wedges ‘I5 then causes the arms
its front rollers 62 abutting the forward stops
63 to swing or approach one toward the other, the
40 of the ways 4| in the side frame rails 35, 38;
ends 10 thereof likewise shifting the heel-rests
the pins I I8 of the heel-rest lifter F are engaged
I2I, which pass under the respective heel edges
in the grooves I IE!- on the under side of the car
e, 9, thereby lifting the same into ‘horizontal
riage C, and the beam H5 is engaged in the
from Figure 8.
~
‘
alignment with the groove ‘I3. Upon further
movement of the wedges 15, the arms 58 function
to cause the member D to engage upon and fully
tilted upwardly toward the rear with the back
embrace the heel are e, Lg, so that, as the mask
rollers 65 suspended at the‘ level of the top flanges
ing rib d passes under the heel edges e, j, g, the
31 of the side rails 35, 38, in registration. with 70 peripheral margin of the heel cup 0/. is masked
the notches 46 andv immediately in front of the
a predetermined distance, as c, de?ned by the
upper dogs 54.
.
width of the upper face of the masking member
'Also, the foot pedal '1 being free, the counter
d, that is to say, the lower wall of the groove ‘I3.
detent III of the latch-lever I01, whereby the
carriage C, pivoting on the frontrollers 62, is
weight I4 has pulled the lever I5 and its pitman
I6 to forward or retracted position. whereby the
Meanwhile, the heel-edge e, f, g, is engaged be
tween the V-shaped walls of the groove 13,
5
2,878,256
whereby the ‘heel H is locked in'place and sup:
ported securely on, and for movement with, the
carriage C.
-_
'
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ward stroke, whereby the roll I24 is caused to
again present a glue-carrying surface on its upper
side in preparation for the next heel-gluing cycle
I
of operation of_ the machine. >
6 ‘During this glue-printing operation, however,
The heel I-I having been thus looked, as it may
be said, on the carriage C, the springs 82- yield
for permitting elongation of the respective com
posite links 80--8I as the rotation of the shaft 85
swings the arms 84, 84', toward their respective
forward positions.
Meanwhile, ' the
latch
the masking member D prevents the contact of '
the roll I24 with the edge e, f, g, and margin 0
of the'heel-cup a. Such portions of the heel-cup
a, therefore, remain free of glue, in accordance
with my invention. Likewise, and in further ac“
cordance with my invention, the ?lm of glue 2),
94
yields to engagement by the end of the adjacent
link-part 8| that is attached to the arm 84 ‘until,
when the latter has swung the part 8| upwardly
so transferred or printed on the heel-cup a, is
su?iciently for the purpose, the latch 94 slips
of uniform thickness, which is accomplished as
under the part 8| and latches the same, and the
crank-shaft 85 in completely rotated-?nal posi
tion, whereby the arms 68 are tensionally biased
upon the heel H, as best seen in Figure 2.
follows,
15
‘
'
As the transfer‘ roll I24 is revolved, the feeder
roll I 38 and wiper roll I52 are driven in unison
with the roll. I24 through the respective gear
As the shaft 85 approaches its said ?nal posi
tion, the end of the adjacent link-part BI that
trains I34—,I35 and I39—I4Il. 'The underside '
of the feeder roll I 38 is immersedv in the body '
is attached to the arm 84’ engages the toe I04 20 of glue 33, a portion of which attaches itself to
the roll I38.‘ The rotation of the roll I38 is from
.its under side toward'the'wiper roll MI. The
and swings the lever I02, .and thus, in turn,
through the rod I05, trips the latch lever I01 for
releasing the detent III from the carriage" lifter
wiper roll I52'is driven in the opposite direction
vto the roll I38 and is spaced therefrom a suitable
F, thereby permitting’ the carriage C to drop
from its lifted position; in so doing, the carriage
' distance (too small to be observed" in the draw
ings). The resulting wiping action‘ is to allow
merely a predetermined but uniform thickness
C tilts or pivots on the front rollers 62 as the-rear
rollers 65 descend throughv the slots 46 onto the
or ?lm of glue to remain. on the upper side of the
floor .of the respective-ways 4|; meanwhile, the
, pins H8, working in the grooves H9, permit the
roll I38. Theexcess glue removed by the wiper,
heel-rest lifter F to descend by gravity until the 30 roll I52 is returned to ‘the glue body 33. The
feeder roll l38andtransfer roll I 24 are driven ‘
beam I I5 rests on the stops I I6, whereby the’heel
at the same peripheral speed,and since they are
rests‘ I2I are substantially lowered below the
tangentially engaged, the ?lm of'glue on the roll ,
tangential plane of the roller I 24, all as best
I 38 is transferred to the periphery of the roll
seen in Figures 7 and 8.
.
As the carriage C tilts to its lowered position. 35 I24 and thence .to the heeLcup a with the same
uniformity and thickness as determined by the
the arm-ends ‘III, the anchor ‘I2, and'the curved
masking member D all sink into ‘the elastic body
setting of the wiper roll I52;
'
Y
e
surface of the closed end of the heel cup a.
rollers 85 to‘ pass'and then ‘drop down again, for
purposes presently more fully appearing. The
stationary stop- 38 is so'positionedlon the rail'35 '
As the carriage C continues its rearward move
of the roll I24, while between these several mem
ment, the ‘rear rollers 85 pass under the respec
bers the roll I24 protrudes upwardly into ?attened
engagement with more -or less of the concave 40 tive dogs 49, which swing up freely to permit the"
As
will presently more fully appear, the periphery of
the'ro'll I24 is covered with a ?lm of glue, and
the glue which is on that portion of the periphery
of the roll I24 which comes‘ into contact with the
heel-cup a, is adherently transferred thereto from
the roll I24.
I
’
as to engage the latch-head 94 as the carriage C
45
as a result of the latch-head ‘isheldback as the
carriage C moves to the ?nal limit of its rearward
travel. As will be seen ‘by reference to Figure‘ 2,
'
It will be observed that up to this time the hori
zontal motion of the carriage C has been delayed,
due to the concurrent lost motion between the
this has the effect of unlatching the link-part 8!
M
carriage and the pitman I6 occasioned by the
rotation of the shaft 85. But‘ when the shaft 85
is locked in ?nal rotated position on the carriage
C, Figure 2, the latter, guided in the ways 4| and
impelled by the pitman I6, now commences its
movement toward the rear of the machine. In so
doing, the racks I 30 revolve the gears I21, which,
inturn, through the pawls I28 and ratchet wheels
, I 26, rotate the shaft I I2 and likewise the transfer
approaches the end of its rearward movement and
55
that is attached to the arm 84; Because the‘foot
pedal 1 is at such moment still being depressed,
the pitman I6 will still'be urged rearwardly and
the arm 84, togetherwith- the associated links
8|, will still be held upwardly in the position in
which they were then latched, with the result
that the heel H will still be clamped in place.
e.‘ As the operator undertakes-torelease the‘ pedal
1', however, the heel H is manually grasped and
held so that it can be lifted out of the machine
immediately upon being released. Thereupon,
roll I24, which latter, it may here be said, has
when the voperator releases the pedal 1. the pit
by this means, a peripheralspeed substantially
man I6 begins to return to its initial position un
equal to the rearward velocity of the carriage C
der the impulse of the counter-weight I4. During
and its supported heel 1-1. As the roll I 24 is thus
the initial stage of this return movement, ‘how
' revolved, additional glue-covered periphery of the
roll I24 is presented to the surface of- the heele 65 ever,‘ the arms 84, being unlatched, Will swing
downwardly and the associated linkscwill shift
cup a, and at the same time the rearward trans
longitudinally rearwardly ‘under the in?uence'of
lation of the heel H relative'to the axis of the
the springs 82, thereby’introducing at the begin
roll I 24 presents additional heel~cupvsurface to
ning of the return stroke ‘an initial amount of
the roll I24, whereby the central portion of the
heel-cup a is printed, as mayv be said, with a ?lm 70 lost motion between the pitman I6 and the car
riage C; the return movement of the latter being
of glue b. This glue-transferring operation is
delayed While the pitman I6 concurrently r0;
accomplished‘during the approximately ?rst half
tates the shaft 85 to its initial position relatively
of the‘ rearward stroke of the carriage C. The
to the carriage C. ‘This motion, through the links
revolution of the roll I24 continues, however, un
til, the carriage C arrives at the end of its rear 745 80, 8|, and cross-head ‘I4, releases the wedges ‘l5
6
I
2,378,256
from the clasping arms 68, which are, in turn,
under elastic bias of the member D, released from
the heel H and shifted apart, thus permitting the
operator to remove the heel H from the machine.
When the crank 85 has resumed its initial posi
tion on the carriage C, the pitman l6 acts to
shift the carriage C forwardly. During the in
itial stage of the return movement of the car
riage C, the rollers 65 ride up on the dogs 49 and
upwardly and forwardly swung position, station
ary stop-means for engaging the crank-latching
means during swing of the crank for unlatching
the carriage, means responsive to movement of
the carriage and thereby unlatching the crank,
and means for restoring the carriage to elevated
latched position,
5. In a heel-gluing machine, the combination,
with a shiftable carriage, of clasping arms actu
the rearward end of the carriage C is elevated to it) able for engaging a heel on the carriage, recip
rocable actuating means for motivating the car
initial position. As the rollers come up, they
riage, and a lost motion device between the actu_
strike the under side of the dogs 54, which swing
freely upwardly, and then drop down behind the
. ating means and the carriage operable for con—
currently engaging said arms on a heel while
rollers 65 into initial stop-forming position as the
delaying motion of the carriage during initiation
carriage C reaches the end of its return stroke.
of the stroke of the actuating means, and for
The co-operation of the several instrumentali
concurrently releasing said arms from the heel
ties hereinbefore described impart, as will be
while‘ delaying motion of the carriage at the
seen, a de?ned path of motion to the carriage C.
termination of the stroke of the actuating means.
It being borne in mind that the heel H is sup
6. In a heel-gluing machine, the combination,
ported on the carriage C so as to position the 20
with a shiftable carriage, of clasping arms actu
concave closed end of the heel-cup a in registra
able for engaging a heel on the carriage, recip
tion with the convex periphery of the roller I24,
rocable actuating means for motivating the
the motion of the carriage C is then such as to,
carriage, and a lost motion device between the
in the ?rst instance, tilt the carriage from its
actuating means and the carriage operable for '
elevated initial position to a lowered position so
concurrently engaging said arms on a heel while
as to bring the closed end of the cup a into glue
delaying motion of the carriage during initiation
of the stroke of the actuating means, and for
I24, then to rollably engage the open end Of the
concurrently releasing said arms from the heel
cup a upon the roller I24, and ?nally to return
the carriage to its initial position in an elevated 30 while delaying motion of the carriage at the
path disposed substantially above the tangential
termination of the stroke of the actuating means,
said lost motion device including means for re
plane of the roller I24, in such manner as to
straining motion of the carriage pending en
wholly avoid any wiping or sliding engagement of
gagement of said arms on the heel.
the carriage and its supported work with the
'7. In a heel-gluing machine, in combination,
roller.
a glue-transfer roller, a tiltable carriage shiftable
It will be seen that my invention accomplishes
alternately in respective raised and lowered posi
its intended purposes, and it will be understood
that changes and modi?cations may be made in
tions, means responsive to movement of the car
riage in raised position for latching the same in
the details of form, construction, arrangement,
said position, means including heel-clasping
and combination of parts hereinbefore described
without departing from the nature of ‘my inven
members actuable for supporting a heel on the
tion and the scope of the appended claims.
carriage, means responsiveto actuation of said
clasping members for latching said members in
Having thus described my invention, what I
heel-clasping position, means also responsive to
claim and desire to secure by Letters Patent is,
1. In a heel-gluingmachine, in combination, a 45 actuation of said members for unlatching the
glue-transfer roller, and heel-supporting means
carriage from raised position, said glue-transfer
including a carriage tiltable from raised to low- ‘
roller being adapted for engaging said heel when
ered position in the plane of the roller for engag
the carriage is shifted in lowered position, means
printing engagement with the stationary roller
ing the same with a supported heel.
2. In a heel-gluing machine, in combination, a
glue-transfer roller, heel-supporting means in
cluding a carriage tiltable from raised to lowered
position in the plane of the roller for engaging
the same ‘with a supported heel, and means for
latching the carriage in raised position.
I responsive to terminal movement of the carriage
in lowered position for unlatching said clasp
ing members, and means responsive to initial
movement of the carriage in alternate direction
for lifting the same to raised position.
‘8. In a machine for applying glue to the con
55 cave surface of the cup of a heel, in combina
3. In a heel-gluing machine, in combination, a
glue-transfer roller, ‘a carriage tiltable from ele
vated to lowered position in the plane of the
roller, heel-clasping members actuable ‘for sup
porting a heel on the carriage, means for nor
mally latching the carriage in elevated position,
and means responsive to heel-clasping actuation
of said members for unlatching the carriage from
tion, a glue-transfer roller, a reciprocable car
riage tiltable from elevated to lowered position
in the plane of the roller, means for positioning
a heel on the elevated carriage with the concavity
of the heel-cup in registration with the convex
surface of the roller, means for tilting the car
riage to lowered position for engaging the closed
end of the heel with the roller, and means for
moving said carriage in lowered position for ef
4. In a heel-gluing machine, in combination, 65 fecting rolling engagement of the open end of
elevated position.
_
a glue-transfer roller, a carriage tiltable from
said heel with the roller.
elevated to lowered position in the plane of the
9. In a heel-gluing machine, in combination,
roller, said carriage being adapted when in
means for applying glue to the cup of a heel,
such lowered position to slide rearwardly, heel
reciprocable means including a member movable
clasping members actuable for securing a heel 70 for positioning the heel with respect to the glue
on the carriage, means for normally latching
applying means, said member having a groove
the carriage in elevated position, actuating
for receiving the arc of said heel, means for
means for said clasping members including a
guiding the arc of the heel into said groove
crank swingable upwardly and forwardly on the
responsive to heel-positioning movement of said
carriage, means for latching the crank in such 75 member, and means responsive to movement of
‘2,378,256
the carriage for removing said guiding means
from the path of the carriage.
10. In a heel-gluing machine, in combination,
means for masking the peripheral portion of the
cup of a heel, gluing means, and means for shift
7
front rest engaging the heel at a point on its pe
riphery opposite its breast and comprising a cush
ion-member having extensions for engaging the
periphery of the heel intermediate its breast and
said point of support, means including pivotally
' ing the masked heel crosswise over the gluing
‘ actuable arms for engaging the cushion-member
means for applying a ?lm of glue to an‘exposed
portion of the cup of the heel.
11. In a heel-gluing machine, in combination,
extensions with the heel for masking the pe
means including a cushion-member for‘ gripping
heel over said glue-applying means, and means
ripheral portion of the cup thereof, means for
swinging the rear rest out of‘engagement with
means for gripping a heel at its periphery and
the heel when said cushion-member is. in cup
concurrently masking the marginal portion of
masking position, and means for applying a ?lm
the cup of the heel, gluing means, and means
of glue to an exposed portion of vthe cup of the
for shifting the gripped and masked heel cross
heel following swinging of said rear rest.
wise over the gluing means for applying a ?lm .
18. In a heel-gluing machine, in combination,
of glue to an exposed portion of the cup of the 15 glue-applying means, means for masking the pe
heel.
ripheral portion of the cup of a‘heel, said masking
means including a carriage for supporting the
12. In a heel-gluing machine, in combination,
a heel at the periphery thereof and concurrently
for actuating the carriage crosswise over the glue
by said cushion-member masking the marginal 20 applying means for engaging the masked heel
portion of‘the cup of the heel, gluing means, and
with the glue-applying means.
means for shifting the gripped'and masked heel
19. In a heel-gluing machine, incombination,
crosswise over the gluing means forapplying a
?lm of glue to an exposed portion of the cup of
means including a glue-applying roll, means for
masking the peripheral portion of the cup of a
25 heel, said masking means including a carriage
the heel.
'
13. In a heel-gluing machine, in combination,
for supporting the heel over said rollfand means
means including a cushion-member having a
for actuating the carriage for engaging the
groove in its inner face for gripping a heel at
masked heel with the roll and for Shifting the heel
its periphery and concurrently I disposing the
while in engagement with the roll for application
cushion-member in ‘heel engagement at its said
of glue to the exposed portion of its cup.
groove for masking the marginal portion of the
20. In a heel-gluing machine, in combination,
cup of the heel, and means for applying a ?lm
means including a glue-applying roll, means for
of glue to an exposed portion of the cup of the
masking the peripheral portion of the cup of a
heel, said masking means including a carriage for
14. In a heel-gluing machine, in combination, 35 supporting the heel for movement over and rela
means including a cushion-member for support
tively to the roll, and means for actuating the
ingly engaging a shoe heel at a point upon its
carriage for ?rst engaging the heel at the arc of
periphery opposite its breast and having exten
its cup with the ‘roll and then shifting the heel
sions for engaging the periphery of the heel in
relatively to the roll for application of glue to an
termediate its breast and said point of support
exposed portion of the cup of the heel.
,
engagement, means for engaging said cushion
21. In a heel-gluing machine, in combination,
member-extensions with the heel for masking the
means including a glue-applying roll, a shiftable
peripheral portion of the cup thereof, and means
carriage, means mounted on and movable with
for applying a ?lm of glue to an exposed portion
the carriage for both removably securing the-heel
of the cup of the heel.
,
’
to the carriage andi'for masking the marginal
15. In a heel-gluing machine, in combination,
portion of its cup, means for actuating the car
means including a cushion-member for support
riage for ?rst engaging the heel at the arc of its
ingly engaging a shoe heel at‘ a point upon, its
cup with‘ the roll'and then shifting the heel rela
periphery opposite its breast and having exten
tively to the roll for application of glue to an
sions for engaging the periphery of the heel in
exposed portion of the cup of the heel, and means
termediate its breast and said point of support
for releasing said securing means for removal of
ing-engagement, means including a pair of swing
the heel.
'
able companion arms for engaging said cushion
22. In a ‘heel-gluing machine, in combination,
member-extensions with the heel-for masking the
means including a cushion-member for engaging
peripheral portion of the cup thereof, and means
respective shoe-heels of diiferent sizes at a point
for applying a ?lm of glue to an exposed portion
upon its periphery opposite the breast and hav
of the cup of the heel.
ing extensions for engaging the periphery of the
16. In a heel-gluing machine, in combination,
heel intermediate its breast and said point of sup
means including a cushion-member for support
port, means including companion arms for yield:
heel.
'
>
ingly engaging a shoe heel at a point upon its
periphery opposite its breast and having exten
sions for engaging the periphery of the heel in
termediate its breast and said point of support
ingly engaging said cushion-member-extensions
with the selected heel for masking the periph
eral portion of the cup thereof, means for yield
ingly actuating the arms into masking position,
engagement, means including a pair of pivotally
and means for-applying a ?lm of glue to an ex~
swingable companion arms and shiftable Wedge 65 posed portion of the cup of the particular heel.
members for swinging the arms with the cushion
23. In a heel-gluing machine, in combination,
member-extensions attached thereto for engaging
' means including a cushion-member for engaging
with the heel for masking the peripheral portion
a shoe-heel at a point upon its periphery oppo
of the cup thereof, and means for applying a ?lm
site the breast and having extensions for engag
of glue to an exposed portion of the cup of 'the 70 ing the periphery of the heel intermediate its
heel.
I
breast and said point of support, means includ
17. In a heel-gluing machine, in combination,
ing companion swingable arms for yieldingly en
gaging said cushion-member-extensions with the
inverted position with its cup presented down»
heel for masking the peripheral portion of the cup
Wardly, the rear rest being swingable and the 75 thereof, means for yieldingly actuating the arms
front and rear rests for supporting a heel in an
8
2,378,256
the carriage, and means for swinging the carriage
for ?rst engaging the heel at its cup with the roll
er and then shifting the heel relatively to, and
‘with its cup in engagement with, the roller.
26. In a heel-gluing machine, in combination,
a ‘glue-transfer roller, a reciprocable carriage,
into masking position, means for latching said
arms in heel masking engagement, and means for
applying a ?lm of glue to the cup of the engaged
heel.
‘
‘
24. In a machine for applying glue to the con
cave face of the cup of a heel, in combination,
means for securing a. heel in inverted position
on the carriage, means for swinging the carriage
for ?rst engaging the heel at its cup with the
a glue-transfer member having ‘a convex sur
face, means for positioning a heel with the con
cavity of the heel-cup in registration with the
convex surface of the transfer member, and
means for shifting the heel-cup relatively to the
transfer member.
25. In a heel-gluing machine, in combination,
a glue-transfer roller, a reciprocable carriage,
V10
means for securing a heel in inverted position on 15'
roller'and then shifting the heel relatively to,
and with its cup in engagement with, the roller,
and means for revolving the roller in synchro
nism with movement of the carriage.
WALTER A. THUM.
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