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Патент USA US2109563

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March 1, 1938.
2,109,563
A. BATES
LASTING“ MACHINE
Filed May 4, 1937
lU-IP
Patented Mar. 1, 1938
2,109,563
~UNITED STATES PATENT OFFICE
2,109,563
LASTING MACHINE
Arthur Bates, Leicester, England, assignor to
United Shoe Machinery Corporation, Paterson,
N. J., a corporation of New Jersey
Application May 4, 1937, Serial No. 140,686
In Great Britain June 26, 1936
9 Claims. (Cl. 12-2)
This invention relates to lasting machines and
the operation of the mechanism by which the
particularly to lasting machines of the type hav
sticker
point is projected and withdrawn.
ing a single gripper which is arranged to operate
The drawing is a side view of a lasting machine
in a step-by-step manner to work successive por
showing the operating instrumentalities'orgam'
.5_ tions: of a shoe upper over a last and having
means for securing said successive portions in
lasted relation to an insole on the last bottom,
ized as disclosed in the above-mentioned patent 5
and embodying the present invention.
The machine is provided with the usual grip
per ill which is arranged, after the jaws have
been closed to grip the upper, to be lifted bod
ily to tension the upper and then to swing for- 10
wardly to lay the gripped portion of the upper
for example, by means of tacks driven through
the upper and into the insole.
10
Amachine of this general kind is disclosed in
Letters Patent of the United States No. 584,744,
granted June 15, 1897, upon application ofLadd
and McFeely. This prior machine is provided
with an insole-engaging foot or tread rest against
15 which the operator holds the shoe as he presents
it to the machine and which serves to support
the shoe against upward movement as the grip
per pulls upwardly on the upper. The gripper,
however, has an overdraw as well as an updraw
‘2-0- movement, and the wiper, as it works inwardly
a
over the shoe bottom to lay the upper against
the insole, also tends to push the shoe away from
the machine and the tread rest frequently does
not present sui?cient resistance to the tendencies
of the machine to push the shoe outwardly, with
the result that the shoe is displaced and the
upper is not lasted as correctly and effectively as
it would be otherwise.
.
An object of this invention is to provide the
3:0: tread rest of machines of this type with means
for preventing bodily forward or outward move
ment of the shoe when the gripper acts to lay a
portion of the upper over the insole and the wiper
acts to lay the upper upon the insole and to per
35 mit, at other times, the necessary feeding move
ments of the shoe between successive operations
of the lasting instrumentalities.
As illustrated
herein, the tread rest, which as usual is arranged
for adjustment vertically and forwardly and rear
410 wardly with respect to the machine, is provided
with a sticker point for digging into the insole
to hold the shoe in a substantially positive man
ner against movement forwardly during the ac
tion of the gripper and other lasting instrumen
45 talities. The sticker point is slidingly mounted
in the tread rest so that its pointed end can be
,
over the insole. The gripper, as in prior machines
of this type, may if desired be given the usual
lateral and twisting movements to plait the
upper.
15
The machine is also provided with a tack block
and wiper I2 which advances after the gripper
has laid each portion of the upper over the in
sole to wipe that portion flat against the margin
of the insole and to carry forward into position
previously fed into the tack block from the usual
raceway. To locate the shoe laterally the usual
thin edge rest "5 and thick edge rest 18 are pro
vided.
'
ment of the gripper, the machine is provided with '
a tread rest member 20 the lower end of which
has a smooth surface to engage the insole A of a 30
shoe mounted upon a last B of which the upper C
is being progressively lasted by the gripper l0 and
other lasting instrumentalities of the machine.
The rest member 26 is provided on its upper side
with a dovetailed guide 22 which is adapted to 3
be received in a similar guideway formed in a
block 24 the lower portion of which is split and
provided with a screw 26 by tightening which
the block may be clamped to the guide 22. The
guide 22 and the corresponding guideway in the 40
block 24 are preferably inclined at an angle of
about twenty-?ve degrees to the horizontal. The
block 24 is mounted for vertical adjustment upon
a bracket 28 secured to the machine frame. For
this purpose the bracket 28 and block 24 are 4
provided one with a rib and the other with a
the tread rest to hold the shoe from outward
movement and may be withdrawn to permit
50' movement of the shoe. Means is provided for
and the bracket 28 being provided with a ver
tical slot 36 through which a cap screw 32 extends
automatically projecting and withdrawing the
55 and forwardly and rearwardly without affecting
-
To support the shoe against the upward move
ment of the gripper l0 during the updraw move
projected through the insole-engaging face of
sticker point at the proper time in the cycle of
the machine, and this mechanism is so arranged
that the tread rest can be adjusted both vertically
O
to be driven into the work by a driver I 4 a tack
groove, the rib and groove extending vertically
and is thread-ed into the block 24. By loosening 50
the screws 26 and 32 it will be seen that the tread
rest 20 may be adjusted either vertically or from
front to rear of the machine and may thus be
located in the proper position for the work in
hand and inthe location desired by the operator. 55
2,109,563
2
The tread rest member 20 has a bore extending
longitudinally through it in which is mounted a
rod 34 for longitudinal reciprocation at an angle
of about thirty-?ve degrees to the horizontal.
The lower end face of the rod 34 is sharpened so
as to dig into the sole and constitute a sticker
point and may, if desired, have its lower end ex
tended laterally and provided with a plurality of
points. About half. way along its length the
sticker point rod 34 is clamped by a bolt 36 in
a split sleeve 38 extending upwardly from a slide
40 lying parallel to the rod 3.4 and arranged for
limited longitudinal reciprocation in the tread
rest member 20. Near its outer or forward end
the slide 40 has a slot ?tted to receive the rounded
upper end 42 of one arm of a bell crank lever
pivoted at 44 to lugs formed on the lower side
of the tread rest member 20. The other arm 46
of the bell crank lever is pivoted at 48 to a link
50 which extends upwardly in a direction sub
rod is caused to project beyond the insole-engag
ing end of the member 20 and into the insole,
thus preventing movement of the shoe outwardly
or forwardly of the machine while the gripper is
being moved upwardly and forwardly to tension
the gripped portion of the upper and carry it
over the margin of the insole.
While the sharpened end of the sticker point
rod 34 still remains buried in the insole, the
tack block I2 advances to urge the portion of 10
the upper just acted upon by the gripper down
wardly against the insole and to carry a tack
into position beneath the tack driver l4 to be
driven into the work. When the driver has de
scended to drive a tack into the work, the cam 16 15
which controls the sticker point rod 34 allows
the lever 66 to be swung forwardly by its spring
14, thus withdrawing the portion of the sticker
point rod which projects beyond the shoe-engag
ing face of, the tread rest 20 so that the shoe 20
can be readily moved along while the insole is
still in contact with the tread rest 20 to present a
new portion of the upper for the action of the
stantially perpendicular to the guide 22 and the
upper end of which is pivoted at 52 to one arm
54 of an angle lever pivoted at 56 to a lug formed
on the block 24. The other arm 58 of the angle
lever is pivoted at 60 to a long link 62 which ex
tends in a substantially horizontal direction rear
lasting instrumentalities. Since the sticker point
rod 34 has a rearward as well as a downward 25
component of motion, it acts as it digs into the
insole to push the shoe toward the edge gage l6
and therefore insures that the side of ‘the shoe
wardly of the machine and is pivoted at 64 to a
cam lever 66 between its ends. The lower end
of. the lever 66 is fulcrumed at 68 on a bracket ‘Ill
30 secured to the machine frame and at its upper
end that lever carries a cam roll 12 which is
urged forwardly by a spring 14 acting on the
will be maintained pressed ?rmly against the
edge gage l6 and thus assists in the production 30
of a uniformly tightly lasted upper at all parts
operated on. When the shoe is so held the wiper
will advance equal distances over the margin of
the insole during successive operations. More
over, since the shoe will thus be clamped to 35
some extent between the edge gage l6 and the
lever to engage a face 16 formed on the rear side
of a cam block 18 which is mounted on the main
shaft 80 of the machine.
The cam block 18
has its edge face formed to operate mechanism
for opening and closing the gripper I0 and has on
the outer periphery of its rear face a cam for
end of the prick point rod 34 during the lasting
_ action of the gripper, the operator will be re
controlling the overdraw movement of. the
gripper, all as disclosed in the above-mentioned
patent.
It will be seen that when the screw 32 is
loosened to adjust the tread rest vertically the
vertical swinging of the long link 62 will not ap
preciably affect the position of the sticker point
or interfere with its operation by the lever 66
since it is only the entirely negligible horizontal
component of the movement of the pivot 60
50
which tends to move the rod 34 relatively to the
rest member 20. Likewise, when the screw 26 is
loosened to permit adjustment of the guide 22 in
the guideway 24 to vary the position of the tread
rest from front to rear of the machine, the link
50 will swing on its pivot 52 without substantially
altering the position of the sticker point or inter
fering with its operation by means of the con
nections described.
In the operation of the machine, the operator
positions the insole A of a shoe against the lower
end of the member 20 which constitutes the sole
60 rest which is assumed to have been adjusted both
vertically and from front to rear in the most suit
able position for the work in hand. The oper
ator then starts the machine in operation and
the gripper l0 descends and its jaws close upon a
portion of the upper C mounted upon the last B.
Substantially at the same time that the jaws
close, the cam 16 operates to swing the lever 66
rearwardly, thus pulling rearwardly upon the
link 62 against the tension of the spring 14 and
70 rocking the angle lever 54, 58 in a clockwise di
rection. At the same time the link 50 turns the
bell crank lever 46 in a clockwise direction, forc~
ing the slide 40 in a direction toward the shoe.
Since. the slide 40 is clamped to the rod 34, the
75
lieved to some extent of the effort to resist tilt
ing or twisting of the shoe due to the upward and 40.
forward pull exerted on the upper at that side
of the shoe which is farthest from him.
Having thus described my invention, what I
claim as new and desire to secure by Letters
45.
Patent of the United States is:
1. In a lasting machine of the progressive type
having means for working an upper over the bot
tom of an insole on a last and securing the upper
in lasted position, the combination with a tread
rest for engaging the insole, of a sticker point
arranged to be projected through the work
.50.
engaging face of the rest, and means for project
ing and withdrawing the sticker point in timed
relation to the operation of the lasting instru
mentalities.
~55.
2. In a lasting machine having lasting instru
mentalities operated from a main shaft to work
successive portions of an upper over an insole and
securing them in lasted position, the combina
tion with a tread rest for engaging the insole of 60.
the shoe being lasted, of a sticker point operating
through the insole-engaging face of the tread
rest, and connections from said sticker point to
the main shaft for projecting the sticker point
during the operation of the lasting instrumen 65
talities and withdrawing it during that portion of
the cycle when the work is being fed to present
another portion of the upper to the lasting instru
mentalities.
3. In a lasting machine of the progressive type 70
in which a plurality of lasting instrumentalities
are operated through successive cycles by a cam
shaft, the combination with a tread rest mounted
for vertical adjustment, of a sticker point ar
ranged to be projected through the work-engaging
2,109,563
face of the rest, and operating connections be
tween the cam shaft and the sticker point for
projecting the sticker point below the face of the
maind-er of the cycle notwithstanding vertical ad
rest into the insole during a portion of the cycle
and for withdrawing it during the remainder of
justments of the treadrest.
'
‘
’
'7. In a lasting machine having lasting instru-.
mentalities operated from a main shaft to work
the cycle, said connections being constructed and
arranged to permit vertical adjustment of the
successive portions of an upper over an insole
tread rest without substantially affecting the
and secure them in lasted position, the combina
tion with a vertically and laterally adjustable
operation of the sticker point.
4. In a lasting machine of the progressive type
in which a plurality of lasting instrumentalities'
are operated through successive cycles by a cam
shaft, the combination with a tread rest mounted
for forward and rearward adjustment, of a sticker
15 point arranged to be projected below the work
10
engaging face of the rest, vand operating connec
tions between the cam shaft and the sticker point
for projecting the sticker point below the face of
the rest into the insole during a portion of the
20
cycle and for withdrawing it during the remainder
of the cycle, said connections being constructed
and arranged to permit said forward and rear
ward adjustment of the tread rest without sub
stantially affecting the operation of the sticker
25 point.
5. In a lasting machine of the progressive type
in which a plurality of lasting instrumentali
ties are operated through successive cycles by a
30 cam shaft, the combination with a tread rest
35
3 .
and to release the sticker point during the re-.E
mounted for front and rear adjustment, of a
sticker point arranged to be projected below the
work-engaging face of the rest, operating connec
tions between the cam shaft and the sticker point
comprising a link perpendicular to the direction
tread rest for engaging the insole of the shoe ,
being lasted, of a sticker point operating through 10
the sole-engaging face of the'rest, and connec~'
tions from said sticker point to the main shaft
for projecting the sticker point during the opera,
tion of the lasting instrumentalities and with
drawing it during that portion of the cycle when
the Work is beingfed to present ‘another portion
of the upper to the lasting instrumentalities, the
operation of said connections being substantially
una?ected by vertical or lateral adjustment of
the tread rest.
8. In a lasting machine of the hand method
20
type, the combination with a tread rest, of a
sticker point arranged to be projected through the
Work-engaging face of the rest at a downwardly
and rearwardly directed angle, and operating 25
connections from the sticker point to the machine
for projecting the sticker point into an insole
resting thereagainst to hold the shoe from move
ment and to force it rearwardly during that por
tion of the cycle while the lasting instrumentali
ties are operating and for withdrawing the sticker 30,,
point into the tread rest during the portion of I
of ‘ ront and rear adjustment, and an angle lever
the cycle when the work is being fed.
9. In a lasting machine of the p-rogressivetype
between the link and the sticker point, said con
in which a plurality of lasting instrumentalities 35
nections acting to project the sticker point below
the face of the rest into the insole during a por
tion of the cycle and to release the sticker point
during the remainder of the cycle notwithstand
ing front and rear adjustments of the tread rest.
6. In a lasting machine of the progressive type
in which a plurality of lasting instrumentaiities
are operated through successive cycles by a’ cam
shaft, the combination with a tread rest mounted
for vertical adjustment, of a sticker point ar
ranged to be projected below the work-engaging
face of the rest, operating connections between
the cam shaft and the sticker point comprising
50 a horizontal link, and an angle lever between the
link and the sticker point, said connections acting
to project the sticker point below the face of the
rest into the insole during a portion of the cycle
are operated through successive cycles by a cam
shaft, the combination with a tread rest mounted
for vertical and front to rear adjustment, of a
sticker point arranged to be projected below the
work-engaging face of the rest and to have a rear
Lil;
ward component of movement, operating connec
tions between the cam shaft and the sticker point
comprising a horizontal link and a- link perpen
dicular to the direction of front and rear adjust-,
ment, an angle lever between the links and be
tween one of the links and the sticker point, said
connections acting to project the sticker point
below the face of the rest into the insole with a
component of rearward movement during a por
tion of the cycle and to release the sticker point‘ 50
during the remainder of the cycle, and a spring
for retracting the sticker point.
g‘
r
ARTHUR BATES.
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