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Патент USA US2406462

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‘Aug. 27,1946.‘
~
E. A.‘ HOLMGREN I ~
‘
_ 2,406,452 I
MACHINE FOR USE ‘IN‘ THE MANUFACTURE OF PREWELT SHOES
‘Filed Nov. 26, 1942
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| . Aug. 27,_ 1946.
E. A._ HOLMGR-EN
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2,405,462
MACHINE FOR USE IN THE MANUFACTURE OF 'PREWELT SHOES
Filed Nov. 26, 1942'
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Aug.'27, 1946.’-
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E_ A; HQL'MGREN
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‘2,406,462:
MACHINE FOR USE IN THE MANUFACTURE OF PREWELT' SHOES
Filed Nov. 26, 1942
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' Aug. 27, 1946.
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E. A; HQLMGREN
MACHINE FOR USE IN THE MANUFACTURE OF PREWELT SHOES .
Filed Nov. 26, 1942
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Aug- 27, 1946-
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E- A. HOILMGREN
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2,406,462
MACHINE FOR USE IN THE MANUFACTURE OF PREWELT SHOES
Filed Nov. ‘26, 1942
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Patented Aug. 27, 1946
v 2,406,462
UNITED STATES PATENT OFFICE
2,406,462 15 - -
MACHINE FOR USE IN THE MANUFACTURE
'
OF PREWELT SHOES
'
Eric A. Holmgren, Beverly, Mas's., assignor to
United Shoe MachineryCorporation, Fleming
ton, N. J'., a corporation of New Jersey
Application November 26, 1942,'se1-ia1 No. 466,975
31 Claims. (01. 12-1}
1
.
October 10, 1944.
I
2v
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to wipe the welted marginat opposite sides of
This invention relates to machines for use in
the manufacture of prewelt shoes and is herein
illustrated in its application to machines for use
in practicing off-the-last methods of- prewelt
shoemaking ‘such, for example, as the method
set forth in my copending application for United
States Letters Patent Serial No. ‘557,999,??led
the upper in over the margin of said form.
It
will be understood that the provision of wipers
operable on both right and left uppers reduces the
changing of wipers and also the number of wipers
required for operation on a given run of shoe
sizes.
In order to provide wipers adapted to
operate on a substantial run of sizes, the illus
1
trated machine, in accordance, with a further
Prewelt shoes in the range of children’s sizes
are found in the-lower price brackets and'ma'n 10 feature of the invention is provided with wiping
means including a wiper constructed and ar
ufacturers of this type of vchildren’s shoe oper
ranged to swing about an axis intersecting‘ its
ate on a very small margin of pro?t and‘are
‘Wiping edge to the end that the wiper may-adjust
constantly seeking improvements in their meth
itself to varying edge contours. The illustrated
ods and machines calculated'to effect economies
in the cost of manufacture. One of the major' 15 wiper is mounted to turn freely on its axis and
has a suflicient range of turning movement to
items in the cost of prewelt shoe manufacture
adapt it to voperate alternatively on right and left
is the initial cost of the lasts on which the uppers
uppers. It will'be understood that the wiping
“are made and the continual expense of main
taining, repairing, storing and sorting the lasts;
edge has a, shape or curvature generally common
In the manufacture of prewelt shoes, this item 20 to the peripheral contour of right and left shoes
of expense is a much larger proportion of the
in the run of sizes on which the Wiper is intended
total manufacturing cost than in the production
to operate. In the'illustrated machine, one such
wiper operates on a run of- children’s sizes from
of higher priced footwear. Thus, it will be
understood that any commercially practicable
2 to 9, inclusive.
‘
‘I
V
system of making prewelt shoes which obviates 25 ‘ In accordance with a further feature of the
the use of the last will effect a substantial econ
invention, the illustrated machine is provided
omy in the manufacturing cost, if the proposed
with a wiper assembl‘y'inclu'ding a pair of'side
wipers having a ?xed orientation-and a pair of
forepart wipers constructed and arranged to be
method does not involve excessive labor or ma
chine costs.
,
It is an object of the present invention to pro 30 oriented by their engagement with theTupper.v In
vide a simple and e?icient machine for use in
addition, to the side‘ wipers and‘ the io'repart
wipers, the illustrated assembly includes a pair of
shaping prewelt uppers off the last and adapted
to be employed in the practice of the method of
making prewelt shoes set forth in my copending
application above referred to.
_ E
vshank wipers and a toe wiper constructed and ar
ranged to overwipe the entire toe portion ‘of the
35
‘
welted margin. In accordance with anotherffea
ture of the invention,»the illustrated toe wiper is
in one aspect thereof consists in the provision in‘
reversible for operationon right and left uppers
by‘t'urning it about an axis coinciding with the
a machine for use in the manufacture of pre
longitudinal median line of ‘a shoe in the machine.
welt shoes of an inner form which takes the place
of the last, said form being reversible for oper 40 In order to provide a progressive wiping action
of said forepart ‘wipers, 'said wipers, in accord
ation on right and left uppers, and means for
holding said form against free upward move‘
ance with a feature of the invention, are nor
' With the above objects in view, the invention
mally so oriented that their rear end portions
ment. The illustrated form supports a prewelt'
upper by its welted margin for the operation of
enter the welt crease in advance of theforward
wiping means which operates to bring the welted 45 portions of the wipers, said wipers swinging in
wardly about their rear end portions to‘ com
margin in over the margin of said form and to
plete the overwiping movement. . The illustrated
hold it in overwiped position while it is attached
to a sole.
,
In another aspect thereof, the ‘invention con
side wipers are constructed and arranged tooper
ate on that portion of the upper extending rear
sists in the combination in a machine for use in 50
Wardly from’ the shank wipers and have straight
the manufacture of prewelt shoes of an inner
form for supporting a, prewelt upper by its welted‘
wiping edges which’ operate on as much of the
margin, said form being reversible for operation
overwiping movement; Inasmuch as the heel
portion ofthe upper is, preferably,‘ molded prior
to the operation of the illustrated’ machine," it is,
on right and left uppers, and identical wipers
.operable alternatively on right and left uppers
welted margin as lies‘wlthin the range of their
2,406,462
Referring to Fig. 1, the illustrated machine is
deemed unnecessary to provide meansfor over
provided with a plurality of wipers constructed
wiping the curved heel end portion of the welted ~
and arranged to enter the welt crease of a pre
margin. It will be understood that due to slight
welt upper and to wipe the welted margin in
differences in the line of the welted upper at
wardly over the margin of a sole-shaped’ form .
opposite sides of the rear part of the shoe, the
I corresponding in size to the uppers to be oper
wiping edges of the side wipers will not be per
ated upon, the form 20 illustrated in‘ Fig. 1 cor
fectly alined with the inner form on which the
responding to a juvenile size 9 upper. The illus- '
upper is mounted butsuch differences as exist’
trated form is a wooden plate so constructed that 7
are relatively slight and the use of narrow shank
wipers taken in conjunction with the relative 10. it may be reversed for operation on both right ,
rigidity of the welt enables the wipers to effect V and left uppers. In order that the form may
a substantially uniform over-wipe of the welted ' servev‘t'o impart the desired convex shape to the
shoe bottom the top and bottom surfaces of the
In order to insure the entrance of the wipers .. form maybe made convex to correspond gener
margin.
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into the welt crease, the illustrated upperesupe '
ally to the shape of the sole face of a last.
porting form, in accordance with a further fea
convenience‘of manufacture, the shape of the
For
ture of the invention, is initially slightly :ele:
. sole face of a last issimulated in the. illustrated
"form by providing a flat bevel 2| (Figs. 9 and 14)
vated so that the wipers engage the upper along
' in its marginal portion.
a a line slightly below the welt crease, and means
The opposite side por
is provided for moving said form downwardly so 20 tions of the upper are wiped inwardly over the
form 20 by side wipers 22, narrow shank wipers
that the wipers register with the welt crease.
21;, and forepart wipers 26, while the toe portion
During the downward movement-of said form,
of the upper is overwiped by a single toe Wiper
the wipers are held against the upper under a
2'8. Thewipers 22, 24, and 25 operate on a run
relatively light pressure and, after the wipers
of sizes from 2 to 9, while the toe wiper 28 oper
come into registration with the welt crease, rela
ates only on two'sizes, that is, 8 and 9. In oper
tively heavy pressure is imparted thereto to com
ating on size 9, the toe wiper and the forepart
plete their overwiping movement. I
. _
Wipers in their respective overwiped positions’ are
These and other features of the invention will
spaced‘ apart from each other about. one-sixth of
now be described with reference .to the accom
\ panying drawings and pointed out in the ap so an inch, as shown in Fig. 1. In operating on a
pended'claims.
’
In the drawings,
.
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V size8 upper, the toe wiper and therforepart wipers
1
.
a
would be substantially contiguous. In Fig. 2, the
.wipers 22, 24 and 26 are ‘shown in their respec—..
._
Fig. 1 is a plan view illustrating the ,work
tive over-wiped positions on a form 30 corre
supporting plate and the wiper assemblypwith
' the wipers in their'advanced. positions, portions 35 sponding to a size 2 upper'and a toe wiper 32 is
,'of the wipers being broken away;
also shown in its overwiped position, said toe
wiper being constructed for, operation on upper
sizes 2 and 3. It will be seen that the toe wiper
'
Fig. 2 .is a plan view similar to Fig. 1 showing
the wipers in relation to a work-supporting plate
'32 in its overwiped position illustrated in' Fig.’
of the smallest size in the run of sizes on which
the wipers operate;
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.
.40
Fig.3 is a front elevation, partly broken away,
illustrating a machine'embodying the features
V
of the present'invention;
Fig. 4 is a sectional elevation somewhat en
larged taken substantially on the line IV-—IV of
Fig.
.
12;
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Fig. 5 is a detail sectional view taken on the
line.V—’V ofFigA;
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'Fig. 6 is asectionaljview taken on the line
vI—VI;Of
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2 is substantially contiguous to the forepart
wipers 26.
7
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.
Referring now to'Fig. 3, each side wiper 22 is
secured by headed screws 34 to the crosshead
“of a lfshaped bar 35 which in, turn, is secured
to an arm 38, the lower portion of which is pivot
, ally mounted, on a cross-shaft 48 secured in blocks
vll? extending upwardly from a table 44 secured
.to the upper portion of a standard 45. ,Each
shank wiper 24 is an angular plate (Figs. 3 and .
119,), the downward, extending portion of which
Fig. 7 is 'a-side elevation with partsof the 7, is secured by headed screws 48 to the upper por
frame broken away and the machine table shown
‘in section;
tion of a bar 56, vthejloweriportion of which is
securedrto an arm 52' pivotally mounted at its .
'
Fig. Sis a section taken on the line VHF-VIII ‘
of Fig. '7;
Fig. 9. is a sectional elevation taken substan
tially on the'line IX-IX of Fig. 7;
'
- ,
Figs. 10 and 11 are side elevations illustrating
the shank wipers insuccessivestages in their
lower end'on the cross-shaft Ell. Thus, it will
be seen that the side wipers '22 and the shank'
wipers 2i advance into operating position, in an
arcuate ‘path the center of curvature of which
coincides, with the, cross-shaft 48. When’ the
wipers come into the welt crease, as shown in
operation on a shoe illustrated in cross section; 60 Fig. 11, the wiper bars are substantially vertical
Fig. 12' is a, plan view showing the wipers at
the completion of their operation;
,
3
Fig. 13 is a section taken on the line XIII-XIII
Vof'Fig.12;
,
7
Fig.14 is a perspective. View illustrating the
and during the actual overwiping movement,‘
which is not more thanra quarter of an inch in
extent, the wipers advance in a substantially
horizontal direction widthwise of the upper. It
will be understood that the side wipers and the
work-supporting plate, somewhat enlarged;
shank wipers during their overwiping movement
' Fig. l5'is a front elevation illustrating'an alter
are held-in ?xed relation to the wiper bars, said
bars in turn being held in ?xed relation to their
V'native work-supportingmechanism and an up.
perthereon shown in longitudinal section; ,
carrying arms and, consequently, said wipers
, Figl 16 is a rear elevation of the mechanism 70 maintain a, substantially ?xed orientation during
illustrated in Fig. 15, the work-supporting parts
3 their overwiping movement. Each of the fore-‘ '
@being shown" in central longitudinal section; and
Fig. 17 is ,a plan view,.partly inrsection, illus-.
' tratingthe work-‘supporting members shown ‘in
part wipers 26, on the other hand, swings during
its overwiping movement about a substantially
' vertical axis identi?ed by a dot 54 in Figs. land 2,
sai'diaxis bisecting the wiping edge of the wiper.
raeocnea
5
The forepart wipers advance with their rounded
corner portions 56 foremost and, after said
rounded portions come into engagement with the
welted margin of the upper, the forepart wipers,
during the continued inward movement of their
carrier arms, swing about said rounded corners
as the wipers are oriented with relation to the
welted margin of the upper. It will be under
tween a stop screw I I8 in the lower end portion of
the arm 88 arranged to engage an extension II2
of the arm I84 and a spring-pressed pin I I4
mounted in a bore in the arm I88, said arm hav
ing a recess I I6 which receives the extension _I I2
and into which the screw I I8 and the pin I I4 pro
ject.
, Referring now to Fig. 13, for arresting the over
wiping movement of the side wipers .22, each of
ing their inward movement. Referring to Figs. l0 the wiper-carrying bars 36 carries an abutment
member or block I I8 in a groove in its upper end
3, 7 and 12, each of the illustrated forepart wipers
stood that the wipers turn on their axes 54 dur
portion, the convex inner end I28 of said block
.being'arranged to engage the periphery‘ of a shoe
upper on- the form 20. It will be understood that
the axis identi?ed by the dot 54 on an arm 64 15 the block I I8 arrests the advancement of the bar
36 and determines the extent of overwipe of the
which is pivotally mounted at its lower portion
side wiper 22. In order to vary the extent of over
on the cross-shaft 48. For swiveling the bar 62 on
wipe of the side wipers to meet the requirements
the arm 64 said bar has ears 66 which register
of the particular type of upper to be operated
with ears 68 on the arm, a fulcrum pin 18 extend
ing through the adjacent portions of said ears. 20 upon a headed screw I22 is mounted in the bar 36
and provided with a ?ange I24 which is seated in
Each forepart wiper-is normally. oriented with its
a suitable groove in the block I I8. Inasmuch as
rounded corner portion foremost by a torsion
the side wipers 22 and the shank wipers 24 are ad
spring ‘I2 surrounding the pin ‘I8 and positioned
vanced by a common actuator the blocks H8 also
between the ears 68, one end of said spring bear
serve to arrest the overwiping movement of said
ing against the arm 64 and the other end against
shank wipers. For arresting the overwiping
the bar 62. The spring 12 urges the .bar 62 in
26 is secured by a headed screw 58 and a dowel
pin 68 to ‘the crosshead of a T-shaped bar 62. The
bar 62 is mounted for swiveling movement about
a direction such that a stop screw 14 adjustably
mounted in a plate ‘I6 secured to the lower por
tion of the bar 62 is normally held against the
arm 64.
-
The toe wiper 28 (Figs. 4 and 6) is removably
movement of the forepart wipers 26 (Fig. 12)
each bar 62 has mounted in its upper end portion
an abutment member or block I26 similar to the
30 block H8 and a block adjusting screw I28 hav
ing a ?anged head which operates in the block
mounted in a plate or holder ‘I8 which has a deep
I26 in the same manner as the screw I22 above
groove extending inwardly from its forward edge
face for the reception of the toe wiper. The toe
wiper is inserted into its holder by movement
widthwise thereof through the groove in the wiper
holder, the path of movement of the wiper rela
tively to its holder being determined by the regis-.
described.
Referring to Fig; 9, the illustrated form 28 rests
on the upper surface of the head I38 of a bar I32
and is positioned relatively to the wipers by a
headed pin I34 projecting upwardly from the
head‘ I38 and extending through a hole I36 in the
form 28, said hole being large enough to permit
tration of a pin 88 in the holder with a groove
82 extending widthwise of the wiper from a side 40 the head of the pin I34 to pass throughit. The
head of’ the pin I34 is seated in an offset counter
edge to its central portion. The widthwise posi
bore 988 (Fig. 1) extending toewardly from the
tion of the. wiper in the holder is determined and
hole I36, the diameter of the counterbore being
maintained by a headed spring-pressed pin 84
the same as the diameter of the head of the pin
mounted in a hollow hub 86 of the wiper holder
I84. The rear portion of the form 28 is positioned
78 and arranged to enter a notch 81 in the wiper. ‘
by a headed pin I48 (Fig. 9) projecting upward
The notch is made slightly wider than the diame
ly from an arm I42 and extending through a hole
ter of the pinto enable the wiper to be adjusted
I44, the head of the pin being seated in a heel
widthwise by its engagement with the upper. The
wardly offset counterbore I45 (Fig. 1) in the rear
hub 86 is mounted in‘a bore in the upper end por
tion of an arm 88 for turning movement about 50 portion of the form 28. The arm I42 is pivoted
at M5 to a downwardly extending portion of the
an axis which coincides with the longitudinal
head I38 and is urged in a counterclockwise di
median line of a, shoe in the machine when the
rection, as seen in Fig. 9, by a spring I48 mounted
wiper is in its overwiping position. The wiper
in a bore in the head I38. The spring I48 urges
assembly is turned 180° in the arm 88 to adjust
the wiper to operate alternatively on right and 55 the pin I48 heelwardly and away from the pin
I84, thus maintaining the position of said pins
left uppers. For positioning the wiper lengthwise
relative to the form 28 illustrated in' Fig. 9 and
thereof relatively to the arm 88, the inner por
holding the form in a predetermined central po
tion of the hub 66 has a flange 98 which engages
sition in the head of the machine. In this posi
the inner surface of the arm. For holding the
wiper against turning in the arm 88, the cross 60 tion the longitudinal median line of the form is
in alinement with the center of the hub 86 of the
head of a T-shaped pin 92 (Fig. 5) alternatively
toe wiper holder ‘I8 when the toe wiper is in its
engages slabbed-off portions 94 of the hub 86.
The pin 92 is slidably mounted in a bore in a plate
96 secured to the inner surface of the arm 88 and
advanced position. The illustrated form 28 may
be readily removed from its supporting bar I32 to
is urged upwardly by a spring 88 in said bore. 65 be replaced by another form of a different size,_
or it may be inverted when changing from right
It will be seen from Fig. 4 that the pin 82 also
'to left uppers, or vice versa, by merely pressing
serves to maintain the lengthwise position of the
toe wiper by holding the ?ange 88 against the
the upper portion of the arm I42 to the right, as
seen in Fig. 9, until the heads of the pins I34 and
arm 88.. For mounting the arm 88 its offset lower
portion I88 is connected by short, parallel-motion 70 I48 are brought into alinement with the holes
I86 and I44, whereupon the form 28 can be lifted
links I82 to an arm I84 having an extension I86,
the end portion of which is pivotally mounted I off the head of the bar I32. ,Upon releasing the
between ears I88 (Fig. '7) extending upwardly
arm I42 after the form 28 has ben thus removed
from the machine table 44. The'arm 88 is longi
from the bar I32, said arm is swung in a counter
tudinally positioned relatively to the arm I84 be 75 clockwise direction by the spring I48 and comes
2,406,462
'7
to rest when an inward extension I58 of the lower
portion ‘of said arm engages the bar I32.
'holes in theplate 282, there being three of ‘said
In or
rods ‘at each side of the plate arranged to actu
at'e'the wipers. The upper portion of each rod
286 extends through an opening in the table 44
and‘ is pivoted‘ to a short downward extension
der that the headed pins I34 and I48 may operate
on the form 26 in the manner described after the
form has been inverted, the counterbores I38 and
i125 are reproduced in the bottom of the form,
of an arm 228 (Fig. '7) secured to one of the
as shown in Figs. 9 and 14. The bar I32 is slida
wiper-carrying arms. The pivotal connection of
bly mountedin a channel rail I52 projecting up
each rod 266 to its arm 228 is so positioned rela- .
wardly from the table “and is held seated in said
tively to. the shaft 48 that the rod 206 moves
channel rail by headed screws I54 mounted in 10 downwardly with the least possible horizontal
the web of said rail and arranged to extend
component of movement of its upper end portion.
through vertical slots I56 in the bar I32. The
Each rod is supported by the engagement of a
form 26 is yieldingly held at the limit of its up
ward movements by a spring I58 one end of which
7 engages apin I65 in the bar I32 and the other
collar 256 ?xed thereto with‘ the top of the plate
262". Referring to Fig. 8, each rod 266 carries
a light spring 2I0 and a relatively heavy spring
2'I6 which operate in sequence by downward
movement of the plate 28.2 ?rst to maintain slight
pressure of the wipers against the upper during
the downward movement of the work-supporting
end'of which engages a ?xed pin I52. The spring
holds the bar I32 in its position illustrated in Fig.
9. the bar being located by the engagement of the
lower end walls of the slots I56 with the screws
I54.
form 26, and, ?nally, to apply relatively heavy
,
For Operating the toe wiper 28 a treadle I64
(Fig. 3) is secured to a cross-shaft I66 in the
base of the standard d5 and is connected by a
link I68 to the forward end portion of a rocker
lever Ill! secured to a, .rockshaft I12. Pivotally 25'
mounted on trunnion pins in the bifurcated rear
overwiping pressure to the wipers. As shown in
Fig. 8-, the light spring 245 surrounds the rod 266
and is vcon?ned between a sleeve 2I2 slidably
mounted on the rod above said spring and a nut
2I4 below said spring. The relatively heavy
spring 2I6v surrounds the lower portion of the rod
portion of the rocker lever I18 (Fig. 7) is a block
226 and is con?ned between a washer 2I8 which
I'M which is bored to receive in sliding engage
abuts a nut 220 and a washer 222 (Fig. '7), sup
'ment ‘a rod I'I6the upper end portion of which
ported by a nut 224.’ A sleeve 226 surrounds the
has a universal connection to the lower end of 30 light spring 2I6 and is centered by the sleeve
'a link I78 (Fig. 3) which is pivoted at its upper
‘lit and supported by the washer 2I8'. It will
end to'the lower portion of the arm I64 which
be understood that there are six assemblies
carries the toe wiper assembly. For stabilizing ‘ such as that illustrated in Fig. 8,0119 for each
the link I'I? an arm L6H}v is pivotally mounted at
of the rods 2-86. During the downward moveone end on a bracket I82 extending downwardly’ 35 ment of the plate 282 by the treadle I98, said
from the table 44 and at its opposite end is piv
assemblies move downwardly as a unit until the
oted to the link I18 in parallel relation to the
Wipers engage the shoe and arrest the downward
extension I06 of the arm I64.‘ Upon depression
movement of the rods 266, whereupon further
of the treadle I 64 the rocker lever I18 imparts
downward movement of the plate 252 compresses
upward movement to the rod H6 through a
the light springs 2I'0 until the bottom surface of
spring I 84 surrounding said rod and con?ned
said plate engages‘the upper end of each sleeve
between a collar I86 on said rod and the block
226. Further downward movement of the plate.
I14. The upward movement of the rod I'IB oper
282- operates through’ said sleeves to compress
ates through the mechanism above described to
the heavy springs 2I6. The downward move-v
bring the toe wiper 28 into engagement with‘ the
ment of the work-supporting form 20 is timed
outer surface of a prewelted upper I88 on the
to occur when the wipers are under the light ’
form 28 at a point slightly below the welt I89.
. pressure of the springs 2I?. Upon the comple
After the toe wiper 28 engages the upper, the
tion of the downward movement of the work
treadle IE4 is further depressed to‘ a small extent
supporting form, the heavy spring 2I6 comes
to compress the spring I84 slightly thus to urge 50 into action to apply relatively heavy pressure to
the toe wiper under light pressure against the
the wipers. For imparting downward movement
upper. Th'ereupon a latch bar I98 (Fig. 7),
to the bar I32, which supports the form 20, the
freely mounted on a cross-shaft I92, engages a
rod 288 is provided with means constructed and
pin .594 projected laterally from an arm I96 ?xed
arranged to operate against an L-shapedrbar 230
to the cross-shaft I 66 to hold the 'treadlel64
(Fig. 9) secured to the lower portion of the bar
against upward movement. The operator vnow
I32 by headed screws 232, said bar having a h'ori-'
depresses a treadle £93 to complete the operation
zontal bifurcated end portion through which'ex
of the machine. The treadle I98 operates ?rst
tends the rod 288. For imparting downward
to bring the sidev wipers 22, shank wipers 24', and
movement to‘the bar 238, a washer 234 is freely
forepart wipers 26 into engagement with the up; 60 mounted on said rod and supported by a collar
per under relatively light pressure, then imparts’
downward movement to the bar I32 to bring the
upper I88 into position to receive the wipers
within the welt crease; and ?nally imparts'rela- .
I 7. tively heavy pressure to the side wipers, the shank :wipers and the fcrepart wipers, and also to [the
toe wipers, to cause them‘to wipe the welted
margin of the upper in over the form 28. For
' actuating’ the side Wipers, shank wipers, and fore
part wipersthe treadle I98 is'connected to a rod 70
286. which, asshownein Fig. 9, extends upwardly
through a hole in. the table 44 and'carries near
its upper end a plate282,-said plate having a hub
254 whichispinned to the rod 258.‘ Six vertical
7 rods286 (Figs. 3‘and9) extend upwardly through‘:
' 233 secured to said rod. Upon completion of the
inward movement of the wipers, the washer 234 V
engages the bar 238 and through the action of
a spring 233 surrounding the rod 200 moves the '
bar' I32 downwardly until it is arrested by the
engagement of a stop screw 236 carried by said ;
bar with the upper end of the channel rail I52.
Further depressions of the treadle I98 after the
downward movement of the bar I32 has been
arrested moves’ the rod 226 downwardly rela
tively to the L-shaped bar 235 ‘and advances the
wipers under the relatively heavy pressure'of
‘ the springs 2I6 to perform the overwipingopera-
,
tion." It should be noted that the ?nal pressure . .
against the wipers‘, while'it is relatively heavy
2,406,462
as compared with the91initial pressure, is not
heavy enough‘ to apply any considerable force
against the welted margin of the upper, said
?nal pressure being no more than is required to
insure the complete overwiping of the side por
tions of the upper. While the treadle I98 is
10?
heel block 256 is mounted on a post 216 extend
ing upwardly from a slide 218 mounted on a heel
ward extension 280 of the bar 268. For ‘position- 7
ing the heel block on said post, a tongue 282 ex
tends upwardly therefrom for engagement With
in a groove 284 extending heelwardly from the
central portion of the recess 260, said tongue be
ing held seated within the groove in the heel
at opposite sides of the shoe to effect the over
block by a crosspin 286 which engages the for
wiping operation a screw 240 (Fig. 7) carried
by an angle plate 242 secured to the treadle en 10 ward edge face of said tongue. For operating
the slide 218 to move the heel block toward and
gages and imparts downward movement to the
from the form 254, a hand lever 288' is pivoted
arm I96 thereby swinging the rocker lever I19
at 290 on the extension 280. Cooperating with.
in a counterclockwise direction, as seen in Fig.
said h‘and lever is a triangular plate 292 the nar
'7, to increase the compression of the spring I84
thus to insure a complete overwiping movement 15 row end portion of which is pivoted on a headed
screw 294 mounted in the slide 218. The wide
of the toe wiper. Upon the completion of the
end portion of the plate 292 is provided with
downward movement of the treadle I98, a latch‘
three holes 296 arranged in a straight line ex
bar 244, identical to the latch bar I90, engages
tending upwardly at' an inclination away from
a pin on said treadle to hold the treadle against
the return movement. It will be understood that 20 the heelblock 256, said holes receiving alter
natively a headed pin 298 which‘ also extends
the latch bars I98 and 244 operate to retain the
through a hole in the central portion of the
wipers in their overwiped positions after the op
hand lever 288 to enable said plate 292 to serve
erator takes his foot off the treadle. While the
as a link connecting the hand lever to the slide
wipers are so held, a sole, usually an outsole, is
cement-attached to the welt and thereupon the 25 218. A set screw 39!! in the hand lever holds
the headed pin in position. ,The hand lever. is
latch bars are released to permit the return of
applying relatively heavy pressure to the wipers
the operating parts to their rest positions and
movable between two extreme positions deter
mined by the engagement of a spring-pressed pin
382 projecting from the bifurcated end portion
chine. For so releasing the latch bars, the illus
trated ‘machine is provided with a hand lever 30 of said hand lever with shoulders 384 and 396
in the extension 286. It will be understood that
246 (Fig. 3) secured to the left end portion of
in the raised position of the hand lever, the form
the cross-shaft I92 to the central portion of
254 and heel block 256 are in their contracted
which there is secured an arm 258 (Fig. 7) which‘
position ready to receive an upper to be oper
carries in its lower end a pin 252 which engages
the two latch bars when the handlever 246 is 35 ated upon and, in the lower position of the hand
lever illustrated in Figs. 15 and 16, the work-sup
swung rearwardly, thus disengaging the latch
porting parts are expanded to tension the upper
bars from their pins and permitting the return
lengthwise by straightening of the inverted tog
of the operating parts to their respective rest
gle formed by the plate 292 and the portion of
positions by the operation of suitable treadle
the lever 238 between the pivots 296 and 298.
springs.
It will be understood that the spring-pressed pin
In Figs. 15, 16 and 17 there is illustrated an
392 acting against the shouldered portions of the
alternative work-supporting mechanism com
extension 280 yieldingly holds the hand lever in
prising a forward plate or form 254 which sup
either of its extreme positions. The holes 296 in
ports the forepart and shank portion of a prewelt
the triangular plate 292 permit an adjustment
upper by its welted margin and a heel form or
of the work supports for operation on three sizes
block 256 which has substantially the surface‘
to release the upper for removal from the ma
of uppers. Before operating on uppers in sizes
contour of the heel end portion of a last. Said
outside the range of adjustment of the plate 292,
forms are relatively movable lengthwise of the
the form 254 is removed and a similar form of a
upper into a contracted position in which they
are slightly shorter in over-all length than pre 50 suitable size is substituted. The heel block op
erates on all sizes within the run of sizes on
welt uppers to be mounted thereon. Upon rela
tive lengthwise movement away from each other, '
said forms ?ll and slightly tension the upper, as
which the side; shank and forepart wipers oper
ate and, consequently, in the usual course of shoe
manufacture will seldom be removed from the
shown in Fig. 15, and the heel block imparts the
desired shape to the heel portion of the upper. 55 post 216 and a di?erent‘size of heel block substi
For causing the heel block 256 to register at all I
tuted.
‘
.
In the operation of the machine in practicing
times with the rear portion of the form 254, said
the method set forth in my copending applica
form has a heelward extension 258 (Fig. 17),
tion hereinbefore referred to, a prewelt upper, for
the opposite side walls of which engage the side
walls of a recess 269 in the heel block. Said 60 example, the upper I88 illustrated in Fig. 3, is
loosely mounted on the form 29 with the welted
. recess is covered by a sole plate 262 (Fig. 15)
margin at the toe end of the upper positioned
which has a forwardly extending margin whichv
adjacent to the upper surface of the form and
bridges the gap between. the block 256 and the
with the rear portion of the upper s0 located
form 254 and is seated in a shallow recess 264
(Fig. 17) in the rear portion of the form 254. 65 that the heel end of the form engages the» upper
substantially midway between its welted margin
Said form is mounted on the head 266 of a bar
and its top edge. With the upper thus loosely
268 similar to the bar I32 which supports the
positioned on the form, the operator depresses
form 28. As in the case of the bar I32, the bar
the treadle I64 to bring the toe wiper 28 into en
268 has mounted on its head 266 a‘headed pin
210 which extends through a counterbored hole 70 gagement with the toe portionv of the upper
slightly below the welt and to press the wiper
in the form 254 and said bar carries a swinging
lightly against the‘ upper. Upon completion of ,
arm 212 which has a similar pin 214 extending
upwardly therefrom, said pins operating in coun
the downward movement of the treadle, the latch
terbored holes in the form 254, as in the form
bar I90 (Fig. 7) is swung to the right by a spring
supporting mechanism illustrated in Fig. 9. The 75 320 bringing its shouldered lower end portion into
zsoaeia
7
latching engagement with the .pin I34 on the arm a
I96. The operator now presses the heel ,portion .
of the upper downwardly until the welted margin,
all around the upper, lies adjacent to the upper
surface of the form 23, The .toe wiper 28,.under
lying the welt its at thetoe end of the upper,
will'preyent the toe portion of .the upper-from
being pulled away from the plate 20 by the
lengthwise tension applied to the upper to bring
it ‘into horizontal position on the form 20. The
treadle. 198 is ‘now depressed ?rst to bring the’
wipers at opposite sides of the upper into engage
ment with‘ the upper under light spring pressure,
then to move the work support together with the
upper, I68 mounted thereon downwardly until I
the wipers register with the welt .crease in. the
upper, and, ?nally, to advance the wiperinto the
welt crease under relatively heavy spring pres
12
place after the shoe is removed vfrom the illus
trated machine.
Upon completion of the operation of thema
chine and themanual operations performed while
the upper is held in over-wiped position, the
hand lever 2.4.6 (Figs. 3 and '7) is operated to dis
engage the latch bars I90 and 244 from the parts
on which they operate whereupon a spring .3l6
operating on the arm I96 raises the treadle I54.
and a spring 3I8 raises the treadle 5.98 returning
the wipers to their open or outspread position
illustrated in Fig. 3 and leaving the shoe free to
be removed from the form 20.
_
Preferably the prewelt upper is prepared for
the operation of the illustrated machine by pre
shaping or expanding the end portions of the
upper and by so shaping or arranging the welted
margin that the welt lies in substantially sole
attaching position with its outward extension
on completion of the downward movement of the 1.‘ standing away from the bottom margin of the
sure to complete the overwiping operation. .Up
treadle I98, the latch bar 244 locks the treadle .
against return .movement thus retaining the
wipers in their respective overwiped positions in
which they support the outward extension of the
upper and providing an open welt crease adapted
welt while a sole is cement-attached to the bot
to receive the wipers of the illustrated machine,
and the inward extensions of the welt and upper
arranged to overlie the margin of the upper-sup
porting form of the illustrated machine, or an
tom face of the welt.
insole mounted thereon.
'
When the illustrated machine is provided with .
Work~supporting mechanism illustrated in Figs.
15, 16 and 17, the method of handling the upper
differs from the method above described in that the upper is in the ?rst instance mounted in a
horizontal position on the form 254 and the heel
block 255, as shown in Fig. 15. To facilitate so
mounting the upper, the two-part work support
is initially contracted lengthwise thereof, the heel
block 256 being positioned at the limit of its ‘
movement toward the form 254. After the'u-p
per is mounted on the work-supporting members
While it is within the -
scope of the present invention to perform the
vpreshaping operations by any known means, I,
prefer to employ for this purpose a machine such
as'that illustrated in United States Letters Pat
ent No. 2,359,762, granted October 10, 1944, on an
application ?led in my name.
Having thus, described my invention, what I
claim as new and desire to secure by Letters
Patent of the United States is:
1. In a machine for use in the manufacture of
prewelt shoes, an inner form for supporting apre
welt upper by its welted margin, said form being
and the toe wiper has been brought to bear‘
against the toe portion of the upper, the hand
lever 288 ‘is moved downwardly to move the heel
block! away from the form 254, thus imparting
lengthwise tension to the upper and holding it for
reversible for operation on right and left uppers,
and means for holding said inner form against
‘free upward movement.
2. In a machine for use in the manufacture
the further Operation of the wipers.
prewelt upper by engagement with the welted
‘
of prewelt shoes, an inner form for supporting a I
In Figs. 10 and 11 the illustrated machine is‘ i 5 margin about the entire periphery of the upper,
shown in, successive stages in its operation on a.
prewelt shoe having an insole and a ?ller, and an
outsole initially cement-attached to the welt and
?ller. In the manufacture of such shoes, a ?ller ‘
3H] iscement-attached to an insole 3l2, andthe “3
assembly thus provided is mounted on the form
2B,.asshown in Fig. 10, and the wipers operate
to .wipe‘ the welted margin inwardly over the1
said form being reversible for operation on right
and left uppers, and disengageable means for
holding said inner form against free upward
movement.
'3. In a machine for use in the manufacture of
prewelt shoes, an inner heel form and an inner
forepart form for supporting the forepart and
shank portion of a prewelt upper by its welted
‘ exposed margin of the insole and into contact :
margin, said inner forepart form being reversible >
1 with the edge face of the ?ller. While the out- i; Vvi for operation on right and left uppers, and dis
' ward extension of the welt is supported by the 1
wipers, an outsole 3M (Fig. 11) is cement-at- ~
tached to the welt and ?ller.
-~
It will be understood that the utility of the illus- ‘
engageable means for holding said inner form
against free upward movement.
7
'
4. In a machine for use in the manufacture of
prewelt shoes, an inner form for supporting a
trated machine is not limited to its illustrated use ;,,<, prewelt upper by its welted margin, said form
having a surface characterized by a raised cen
insole, a ?ller and an outsole attached directly
tral portion, said surface corresponding generally
to the welt but may be employed in the manu
to the convex sole face of a last, and means on
facture of all types of prewelt shoes in which the
which said form is reversibly mounted for op
welted margin is wiped inwardly to position it for =1; eration on right and left uppers.
'
. "
attachment to a sole. It will also be understood
5. In a machine for use in the manufacture of
that while the welted margin in the process here
prewelt shoes, a heel form for supporting the heel
in illustrated is secured in over-wiped position by
portion of a prewelt upper, an inner form for
1 in the manufacture of prewelt shoes having an ‘
1
,
‘
1
the cement attachment of the outsole thereto, it
, is immaterial to the present invention what proc
ess is employed to secure the welted margin in
‘ overwiped position. It could, if desired, be secured .
by cement or by suitable fastenings to the insole
supporting the forepart and the shank portion
of a prewelt upper, said inner form having upper
and lower surfaces characterized by raised cen
tral portions, said surfaces corresponding gen
erally to the convex sole face of a last, and
or the ?ller or to both insole and ?ller in which
means on which said inner form is reversibly
case the attachment of the outsole could take 75 mounted for operation on rightand left uppers,‘ V
-
2,406,462 .
14'?
6. In a machine for use in the manufacture
of prewelt shoes, a heel form for supporting the
heel portion of a prewelt upper, an inner form
for supporting the forepart and the shank por
tion of a prewelt upper, said inner form having
upper and lower surfaces characterized-by raised
central portions, said surfaces corresponding gen
erally to the convex sole face of a last, means on
7
being, reversible for operation on right and lef
uppers.
15. In a machine for use in the manufacture
of prewelt shoes, a plurality of wipers constructed
and arranged to operate within the welt crease
of a prewelt upper, said wipers including, a pair
of side wipers having a ?xed orientation and a
pair of forepart wipers constructed and arranged
to be oriented by their engagement with the
which said inner form is reversibly mounted for
operation on right and left uppers, and means for 10
16. In a machine for use in the manufacture
effecting relative movement of the heel form and
of prewelt shoes, a plurality of wipers constructed
said inner form lengthwise of an upper supported
and arranged to operate'withinthe welt crease
thereon.
'
of a prewelt upper including side wipers and
'7. In a machine for use in the manufacture of
prewelt shoes, an inner form for supporting a 15 shank Wipers each having a ?xed orientation, and ’
forepart wipers constructed and arranged to be
prewelt upper by its welted margin, said form be
oriented by their engagement within the welt
ing reversible for operation on right and left
crease.
uppers, and means for wiping the welted margin
upper.
in over the margin of said form.
,
8. In a machine for use in the manufacture
of prewelt shoes, an inner form for supporting
a prewelt upper by its welted margin, said form
being reversible for operation on right and left
uppers, and identical wipers operable alterna
tively on right and left uppers to wipe the welted
margin at opposite sides of the upper in over the
margin of said form.
‘
‘
~
17. In a machine for use in the manufacture
of prewelt shoes, a plurality of wipers constructed
and arranged to operate within the welt crease
of a prewelt upper comprising side wipers, shank
wipers, a toe wiper constructed and arranged to
overwipe the entire t-oe portion of the welted mar
gin, and forepart wipers constructed and ar
ranged to be oriented by their engagement with
9. In a machine for use in the manufacture
the upper in the welt crease.
18. In a machine for use in the manufacture
mounted to move freely about said axis to adjust
itself to the ‘periphery of said inner form.
of prewelt shoes, a forepart wiper constructed
and arranged to operate within the welt crease
of prewelt shoes, a plurality of wipers constructed
of prewelt shoes, an inner form constructed and
and arranged to operate within the welt crease
arranged to support a prewelt upper by its welted
of a prewelt upper comprising side wipers, shank
margin, said form being reversible for operation
wipers, and a toe wiper constructed and arranged
on right and left uppers, and means for wiping
to overwipe the entire toe portion of the upper,
the welted margin in over said form including a
all of said wipers having a fixed orientation, and
wiper constructed and arranged to turn about an,
apair of forepart wipers constructed and ar
axis intersecting its Wiping edge.
ranged to be oriented by their engagement with
10. In a machine for use in the manufacture
the upper in the welt crease.
of prewelt shoes, an inner form constructed and
19. In a machine for use in the manufacture
arranged to support a prewelt upper by its welted
of prewelt shoes, a plurality of wipers including
margin, and means for wiping the welted margin
in over said form including a wiper constructed 40 a pair of fo-repart wipers constructed and are
‘ranged to operate within the Welt ‘crease of a
and arranged to turn about an axis substantially
prewelt upper, said wipers being normally so or
bisecting its wiping edge.
iented that their rear end portions enter the welt
11. In a machine for use in the manufacture
crease in advance of their forward portions, said
of prewelt shoes, an inner form constructed and
wipers during their continued advancement
arranged to support a prewelt upper by its welted
swinging about their rear end portions until they
margin, a wiper for wiping a portion of the welted
have been oriented relatively to thewelted margin
margin in over said form, a carrier on which said
by their engagement with the upper.
wiper is mounted for turning movement about an
20. In a machine for use in the manufacture
axis intersecting its wiping edge, said wiper being
12. In a machine for use in the manufacture
of prewelt shoes, an inner form constructed and
arranged to support a prewelt upper by its welted
margin, a forepart wiper mounted to turn on an
axis intersecting its wiping edge, said wiper hav
ing a range of turning movement su?icient to
adapt it to operate alternatively on right and left
uppers.
»
of a prewelt upper, a carrier on which said wiper
is mounted for turning movement on an axis in
tersecting its wiping edge, and yielding means for
so orienting said wiper that its rear end portion
enters the welt crease in advance of the forward
portion of the wiper, the wiper during its con
tinued advancement turning about the aforesaid
axis until the wiper has been oriented by its en
13. In a machine for use in the manufacture '00 gagement within the welt crease relatively to the
of prewelt shoes, a plurality of wipers constructed
and arranged to operate within the welt crease
of a prewelt upper, said wipers comprising a, toe
wiper constructed and arranged to be inverted for
operation on both right and left uppers, and a
pair of forepart Wipers constructed and arranged
to be oriented by their engagement with the upper.
14. In a machine for use in the manufacture
periphery of the upper.
21. In a machine for use in the manufacture
of prewelt shoes, a plurality of wipers constructed
and arranged to operate within the welt crease
of a prewelt upper including a pair of forepart
wipers, a pair of shank wipers, and a pair of side
wipers having straight wiping edges constructed
and arranged to operate on that portion of the
upper, extending rearwardly from the shank
of prewelt shoes, a pair of identical forepart
wipers mounted to swing about axes intersecting 70 Wipers, which lies within the range of the straight
wiping edges of said wipers.
their wiping edges thereby to effect their orienta
tion relatively to the upper, and a toe wiper con
22. In a machine for use in the manufacture
of prewelt shoes, a plurality of wipers constructed
structed and arranged to overwipe substantially
and arranged to operate within the welt crease
all of that portion of the welted margin extending
toewardly from the forepart wipers, said toe wiper 75 of a prewelt upper comprising a toe wiper con- i
2,406,462
7
.
16'
15,
stru'cted and arranged to :overwipe ' the. entire, toe
portion of the upper, a, pair of shank wipers,‘ a
‘
pair of forepart wipers constructed andarranged
to overwipethat portion of the'upper lying be
sure against the upper along ‘a line adjacentto
the welted margin, then to move said form height
wise of the upper to cause the wipers to register '
with the Welt crease, and ?nally, to apply rela- ,
tween the toe wiper and the shank wipers,‘ and
tivelyheavy pressure tov all of said wipers to
a pair of side wipershaving straight wiping edges
overwipe the welted gmargin.‘
l.
.
constructed and’ arranged to overwipe that por
28. In a machine for use in the manufacture of, '_
tion ‘of the welted margin, extending rearwardly
prewelt shoes, an inner form for-supporting a
from the shank wipers, which lies within the
prewelt upper by its welted margin, a toewiper,
range of wiping movement of {the straight wip 10 and a plurality of side wipers constructed and
ing edges of said wipers.
arranged to operate within the weltcrease, an"
23. In a machine for use in the manufacture
actuator, for advancing said toe wiper and urg-~
of prewelt shoes, means for supporting a pre
ing it under relatively light pressure against the
welt upper off the last, a plurality of wipers'con
toe portion of the upper alonga line adjacent to
structed and arranged to operate within the .welt 15 the welt creasepa second actuator, connections
crease, means for advancing the wipers into en
from said actuator for ?rst advancing the side
gagement with a portionof the upper adjacent to
Wipers and urging them under relatively light
the welt crease, and means for moving said sup
pressure against the upper along a line adjacent
porting means so to ‘position an upper thereon
that the wipers register With the welt crease.
274. In a machine for use in the manufacture
of prewelt shoes, an inner form, a plurality of
wipers constructed and arranged to operate with
to the welt crease, then moving said inner form
heightwise of the upper to cause the toe wiper
' and the side wipers to register with the welt
crease, and ?nally, applying relatively heavy over
wiping pressure to the toe Wipers and side wipers,
means for holding said wipers in their respec
in the welt crease, ‘means for actuating said
Wipers to bring them into engagement with an 25 tive overwiped positions, and means for releas
upper’ on said form'along a line adjacent to the
ing said holding means.
welted margin, and means for moving said inner
29. In a machine for use in the manufacture
form and the upper thereon to cause said wipers
of prewelt shoes, an inner form for supporting
to register with the welt crease.
a prewelt upper by its welted margin, a holder
25. In a machine for use in the manufacture of 30 for said inner form, yielding means normally
prewelt ‘shoes, an inner form for supporting a
operating on said holder to maintain the inner
‘prewelt upper off the last, a plurality of wipers
form in an elevated position, a plurality of wip
constructed and arranged to operate within the
ers constructed and arranged to operate within -
welt crease, means for urging said wipers un
the welt crease, and an actuator for advancing
der relatively light pressure against‘. the upper 35 said wipers and .then moving said holder downg-l ~
along a line adjacent to the welted margin, means
wardly to cause the wipers to register with the
for moving said inner form heightwise of the
Welt crease of a prewelt wiper on said'inner
upper to cause said wipers to upwipe said upper
form.
and to be brought into registration with the welt
30. In a machine for use in the manufacture
crease, and means operating thereafter to ap 40 of prewelt shoes, a plurality of wipers constructed
ply relatively heavy overwiping pressure to said
and arranged to operate within the welt crease
wipers.
.
of a prewelt upper, said wipers including a pair
26. In a machine for use inthe manufacture
of prewelt shoes, an inner form for supporting
a prewelt upper by the inwardly extending por
tion of its welted margin, a plurality of'wipers.
constructed and arranged to operate within the
9
.
.
welt crease, a member on which said form is
mounted, an actuator, connections from said ac
tuator for ?rst advancing said wipers and urg- *'
ing them under relatively light pressure against
of relatively narrow shank wipers and a pair of’
side wipers constructed and arranged to operate
- on opposite side portions of the upper extending
heelwardly from the shank wipers, both said pairs 7
of wipers having a ?xed orientation, said side
wipers being constructed and arranged to ex-"
tend beyond the heel end of the upper to pro
vide for their operation on a large run of sizes.
31. In a machine for use in the manufacture
the upper along a line adjacent to the welted
margin, then moving saidmember and the form
of prewelt shoes, a plurality of wipers constructed
and arranged to operate within the welt crease
thereon ,heightwise of the upper to cause the
of a prewelt upper, said wipers includinga pair
wipers .to register with the welt crease and, ?n 55 of relatively narrow shank wipers and a pair of
ally, to apply relatively heavy pressure to said
wipers to overwipe the welted margin.
side wipers constructed and arranged to operate
on opposite side portions of the upper extending
2'7. In a machine for .use in the manufacture
heelwardly from the shank wipers, both said pairs
of prewelt shoes, an inner form’ for supporting
of wipers having a ?xed orientation, said'side
a prewelt upper‘off the last, an end wiper and 60 wipers being constructed and arranged to extend
a plurality of side wipers constructed and ar
in parallel relation to each other beyond the heel ‘
ranged to operate within the welt crease; an actu
end of‘ the upper to provide for their operation '
ator for said'end wiper, and an actuator con,
on a large run of sizes, and a common actuator ,
structed and arranged ?rst to advance said side
wipers and urge themunder relatively light pres’
for operating said wipers.
ERIC A. I-IOLMGREN.
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