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Патент USA US3071799

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Jan. 8, 1963
w. J. BROTCHIE
3,071,789
‘TOE LASTING MACHINES
Filed March 7, 1961
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Brofc/vie
By his Attorney
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Jan. 8, 1963,
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W- J. BROTCHIE
3,071,789
TOE LASTING MACHINES
Filed March ‘7, 1961
4 Sheets—Sheet 2
Jan- 8, 1963
w. J. BROTCHIE
3,071,789 ‘
TOE LASTING MACHINES
vFiled March 7, 1961
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Jan. 8, 1963
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w. J. BROTCHIE
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TOE LASTING MACHINES
Filed March 7, 1961
3,071,789
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United States Patent ‘C?ice
7 .
3,071,789
Patented Jan. 8, 1963
1
2
3,071,789
vated slightly above the upper surfaces'of the wipers by
the time the‘heightwise movement of the wipers is termi
TOE LASTING MACHINES
nated with the wipers in the wiping plane. Accordingly,
Walter J.’ Brotchie, Beverly, Mass., assignor to United
Shoe Machinery Corporation, Boston, Mass., a‘corpo
ration of New Jersey
Filed Mar. 7, 1961, Ser. No. 93,932
9 Claims. (Cl. 12-—8.8)
the wipers, [as they are advanced and closed, tend to draw
the marginal portions ‘of the upper materials out from
between their upper surfaces ‘and the retarder and a con
tinued control of the upper material during the overwip
ing action is thus provided. Also, the retarder support
This invention relates to toe lasting machines and is
ing means is ‘arranged to provide for a yielding of the re
herein illustrated asfembodied in a power operated toe 10 tarder, as well as an insole‘holddown which is also car;
lasting machine constructed substantially as disclosed in
ried thereby, in ‘directions extending lengthwise of the
UnitedStates Letters Patent No. 2,596,169, granted May
shoe with the wipers during an initial stage in their ad
13, 1952 on an application ?led in the names of Leonard
E. Proulx and Roscoe L. Hill. It will be understood, of
holddown‘ are elevated above the wipers fully to release
vancing and closing movements, before the retarder and
course, that in its various aspects the invention is not 15 the marginal portions of the upper materials for wiping
limited to'a machine of that type or to theparticular
inwardly over the toe end of the insole by the wipers,
mechanical structure herein shown.
thereby permitting the aforementioned continued control
of the upper materials by the retarder.
In the machine of the mentioned patent, the upper ma
The above and other objects and features of the inven
terials are wiped upwardly around the toe end of the last
on which the upper materials are assembled together 20 tion will appear in the following detailed description of
the'preferred embodiment which is shown in the accom
with an insole, by toe embracing wipers arranged to move
panying drawings and will'be pointed out in the claims.
?rst heightwise of the last for that purpose and thereafter
In the drawings:
for advancing and closing movements extending length
FIG. 1 is a view in side elevation of a toe lasting ma
wise‘ of the last to wipe the marginal portions of the up
per materials inwardly over the toe end of the insole. 25 chine embodying features of this invention;
During the heightwise movement of the wipers the'mar
ginal ‘portions of the upper materials are clamped yield
FIG. 2 is a view in front elevation and at an enlarged
of a. so-called retarder so that as the heightwise move
scale of a portion of the machine shown in FIG. 1;
‘FIG. 3 is a View in side elevation of a part of that 'por
tion of the machine which is shown in FIG. 2 and with
ment of the wipers continues, these marginal portions are
certain parts shown in vertical section;
ingly against the upper surfaces of the wipers by means
FIG. 4 is a view in horizontal section taken‘substan
tially on line IV—IV in FIG. 2 and looking in the direc
tion of the arrows; and
to the upper m‘aterials'which facilitates the shaping of
FIGS. 5, 6, 7 and 8 are views in side elevation and with
these materials to the toe end of the last. It is an object
of this invention to provide a novel and improved retarder 35 certain parts in section of operating elements of the ma
drawn out from between the retarder and the upper sur
face of the wipers and a heightwise pull is thus applied
chine shown in different positions assumed during the
operation of the machine.
and tensioning of the upper materials around the toe end
Referring to these drawings, the machine therein illus
of the last is further facilitated and a much better control
trated is, except as will appear below, substantially the
over the upper materials during these operations is ob
tained.
40 same as’ the machine shown and described in detail in the
above-mentioned patent. Thus, this machine is provided
With the foregoing ‘object in view and in accordance
with a pair of toe embracing wipers, one ‘of which appears
with features of this invention, the novel and improved
in FIGS._2, 3, and 5-8, and is therein identi?ed by the
retarder comprises‘ a relatively thin strip of metal of sub;
reference character 2, an abutment plate 4 against which
stantially uniform thickness which is formed into a shape
the ‘toe end of a shoe to be lasted, herein illustrated as
to conform to the edge contour of the toe end of a last‘of
comprising an upper, lining ‘and box toe, all indicated
a particular style, range of sizes and foot (i.e., right foot
generally by the reference character U, assembled on a
or left foot); and provided with opposite parallel side
last L with an insole I, is clamped by a toe rest 22 to
edges, and operating mechanism is provided for causing .
support the shoe during the toe ‘lasting operation. Rear
this retarder to clamp the marginal portions of the upper
materials against the front operating edges of the wipers 50 Ward movement of the shoe, during the advancing and
and operating mechanism therefor whereby the upwiping
during heightwise movement of the wipers. More par
ticularly, means are provided for detachably securing the
closing movements of the wipers, is'prevented by the en
gagement of a heel rest 24, FIG. 1, with the vheel end of
the shoe. As in the patented machine, operative move
novel retarder to a supporting means with oneof its side
ments, including movement heightwise of the ‘shoe to be
edges down so that it may be readily removed and re
placed by a retarder shaped to conform to a last of diifer 55 lasted, and advancing and closing movements lengthwise
of the shoe, ‘are imparted to ' the wipers, which are
ent style or a-different run of sizes, or inverted with its
mounted on a wiper carrier 108, by mechanism including
other side edge down to conform to the toe end of a'last
levers 120, 134 and 142, a link 118, and cam tracks 1-26,
of the opposite foot (i.e., right or left). The supporting
13.8 and 143 formed on cams associated with a main
means is‘ mounted for movements extending heightwise
and lengthwise of the last, and the retarder operating 60 drive shaft 128, FIG. 1.
The parts'so far described correspond exactly with
mechanism is adapted‘to effect movements of the support
similar parts of the machine of the mentioned patent
ing means to cause the retarder to clamp the‘ marginal
and for convenience are being identified with the 'same
portion of the upper materials against the front operat
reference characters. Reference may be made to the
ing edges of the wipers as the wipers move heightwise so
that a ‘heightwise pull is exerted on the upper materials 65 mentioned patent for an explanation of the ‘manner 'in
which an automatic cycle of operations is effected by
and, at the same time, the upper materials are conformed
‘ means of a’ single revolution of the ‘shaft 128 which, in
to the edge contour of the last by the retarder‘ and the
turn, is initiated in response to1 the depression of a
wipers. , Preferably, and as herein illustrated, the operat
starting treadle, not shown, ‘and during which cycle‘ of
mechanism is adapted to effect heightwise movement
operations the upper materials U are ?rst shaped around
of the retarder at a greater rate than the rate “of height~ 70 the
‘toe ‘end of ‘the last and then are wiped inwardly over
wise-‘movement of thewipers ‘so that ‘the retarder is'ele
and‘ pressedaga'inst the' bottom ‘surface'of ‘the insole‘
3,071,789
3
4
of the last to which adhesive has been previously ap
er of the upper materials to the insole in lasted posi
connected by means including a spindle 324 to one arm
3326 of a three-armed lever 328 secured to the rockshaft
318 and, as is explained in detail in the mentioned patent,
tion. As in the patented machine, the operating cycle
by turning the vspindle 324, the angular relation of arm
may be automatically interrupted to cause the wipers to
dwell on the upper for a desired period until the treadle
316 and 326 may be changed to vary the initial posh
‘tion of the retarder 18 heightwise of a shoe in the ma;
plied for securing the marginal portion of the outer lay
is again depressed to effect completion of the cycle of
chine. Fast on one end of the rockshaft 318 is an
arm 338 which is connected by means of a downwardly
extending link 340 to one arm 344 of a bell-crank lever
A retarder member 18 is provided for cooperating with
the wipers during the heightwise movement of the wip 10 346 mounted to turn on a shaft 348. The other arm 350
operations.
of this lever carries a roll 352 arranged to engage the
periphery of a cam 354 fast on the main drive shaft 128
ers to shape the upper materials around the toe end
of the last, this retainer corresponding in a general way
which has been mentioned above. A spring 356 con=
to the retarder 18 of the patented machine but ‘being of
nected to the bell-crank lever tends to swing this lever
a novel and improved construction and mode of oper
ation now to be described. Referring to FIGS. 2-8, this 15 in a counterclockwise direction as viewed in FIG. 1 and
novel retarder comprises a relatively thin strip of metal
thus to move the retarder in a downward direction. This
action is supplemented by the action of another spring
of uniform thickness which is formed into a shape to
358 connected at one end to a second arm 360 of the
conform on its inner concave side with the edge contour
three-armed lever 328. As the retarder 18 is moved up
of the toe end of the last and having side edges a~—a
and end edges b-b, FIG. 2. Thus, at least with lasts 20 wardly by the action of rises c and d on the cam 354,
of most styles, the retarder will be of a non-symmetrical
in a manner about to be described, it is controlled with
regard to movements lengthwise of the shoe by a cam
shape as viewed in plan, FIG. 4, and with reference to
plate 368 having a cam track 370 in which there is posi=
a vertical plane located midway between the opposite
end edges of the retarder and extending in the direc
tioned a roll 372 carried on the upper arm of the lever
tion indicated by the line X—X in FIG. 4. As will be 25 202. This cam plate is pivotally mounted on a pin 374
apparent, the retarder 18, when in the position shown
on the head casting 320 and has pivotally connected to
its lower end a rod 376 extending rearwardly through
in FIG; 4, is adapted for use with a left shoe of a par
ticular range of sizes and style of last, while by inverting
an opening in the casting. Threaded onto this rod are
the retarder, it will be adapted for use with the right
a collar 378 and a nut 380 by means of which the plate
shoe of the same size and style of last.
30 368 may be adjusted about the pin 374.
The parts referred to in the preceding paragraph cor
vFor the foregoing purpose, the retarder 18 is detach
respond with similar parts of the patented machine, and
ably secured, in a manner now to be described, to the
lower portion of a U-shaped holder 200 which ?ts over
for ease of identi?cation they are, with the exception of
and is adjustably mounted on the lower‘ arm of a lever
the lever 202, designated by the same reference characters
202 by means of a cross shaft 204 and a clamp screw 206 35 used in the patent. However, for the purposes of this
which passes through an adjusting slot 203 on one side
invention, the cooperative action of the retarder 18 and
of the holder, FIG. 3. At its extreme lower end, the
the wipers 2 has been modi?ed and improved in the
holder 200 has an outstanding boss 210, FIG. 4, in which
manner now to be explained. Referring to FIG. 3, before
there is mounted a dowel pin 212 adapted to enter a hole
the machine is started, the various operating elements
.214 in the retarder, this hole being centered between 40 assume the positions shown so that the shoe to be lasted
the opposite side edges a, a and opposite end edges
may be placed and ‘held by the operator in the position
:5, b of the retarder.
The cross shaft 204 extends be
shown with the upper materials U outspread over the
wipers and with the toe end of the last L received by
the retarder 18. As noted above, this retarder is formed
yond the opposite sides of the lower portion of the hold
er 200 and has right and left-hand threaded portions
220, 222 on which there are mounted clamping blocks 45 into a shape to conform on its inside concave face to the
224, 226.
These blocks bear against ?at surfaces 228,
edge contour of the toe end of the last thereby‘ facilitating
and assuring accurate alinement of the forepart center
line of the last with the longitudinal center line of the
230) formed on lateral extensions of the lower part of
the holder 200 and have forwardly projecting portions
232, 234, FIG. 4. At their outer ends, these projections
wipers.
are formed with ledges 236, 238 and adjacent ?at sur 50
faces 240, 242. As will be apparent, when the clamping
blocks 224, 226 are moved toward each other, as a re
sult of rotation of the shaft 204 in one direction by a
hand knob 243, and into engagement with the opposite
end portions of a retarder 18 mounted on the pin 212,
the retarder will be sprung over so slightly to cause its
end edges b-b to press ?rmly against the ledges 236,
238, thus holding the retarder securely in place on the
In response to an initial depression of the starting
treadle, not shown, an automatic cycle of operations is
initiated, and during an early stage in this cycle the fore
port of the shoe is ?rmly clamped against an abutment
plate 4 by the toe rest 22, the heel rest 24 is moved into
55 engagement with the heel end of the shoe, and the wipers
are elevated and advanced slightly to the position shown
in FIG. 5. The lengthwise adjustment of the wipers,
which is effected in the manner explained and by mech
holder 200. When thus secured to the holder, the side
anism similar to that disclosed in the mentioned patent,
edge a of the retarder which is uppermost will bear against 60 is such that the operating front edges of the wipers are
shoulders 244, 246 formed on the blocks 224, 226, thus
now directly opposed to the outer ‘convex face of the
supporting the retarder against upward movement, while
retarder 18 and with the marginal portions of the upper
additional support in this direction is also provided by
materials located therebetween. As the operating cycle
the pin 212. Rotation of the shaft 204 in the opposite
continues, the retarder 18 and the wipers 2 are elevated
direction will, of course, release the retarder for removal 65 by their respective cams 354 and 136 and the retarder is
and inversion for use with a shoe for the opposite foot,
displaced lengthwise toward the wipers by the action of
or for replacement by a retarder for use with a last of a
different style and/or range of sizes.
The lever 202, which corresponds to the bar 284 of the
machine disclosed in the mentioned patent, is pivotally
mounted on the bifurcated outer end of an arm 316,
the cam 370 which is so shaped as to swing the lever
202 in a counterclockwise direction. As a result of such
lengthwise displacement of the retarder, the marginal
portions of the upper materials are clamped against the
front operating edges of the wipers so that, as the retarder
FIGS. 1, 2 and 3, which is loosely mounted on a rock
and the wipers are elevated, the upper materials are
shaft 318 supported in bearings formed on a head cast
tensioned heightwise about and shaped around the toe
ing 320 on the top of the machine frame, FIG. 1. .Inte
gral with the arm 316 is an arm 322 which is adjustably 75 end of the last. It will be understood that at this time
..
{2,571,389
the wipers are closed to a point where their operating
edges conform to the edge contour 'of the toe end of
the last and hence to the outer convex face of the retarder.
Thus, the upper materialsare actually conformed, to the
use of one ‘retarder for a range of sizes is practical be
pause ‘of thevery ‘close similarity of the edge contours
of 'the ‘toe end of lasts of slightly different sizes which,
of course, is thesame reason that one pair of wipers may
edge contour of the toe end of the last as they are ten
sioned by the wipers and retarder.
be,_and in fact'is used ‘for a range of sizes. Thus the
. .
retardens for usewith'the particular style of last may be
‘The elevation of the retarder is effected byth‘e gradual
charted‘ and changed in the same manner‘ as are the wipers
rise 0 on the cam 354 ‘which is so shaped that the re
for different rangesof sizes. Also, of course, by virtue
of the mannerin which the improved retarder is mounted,
tarder is moved heightwise at‘a rate which is somewhat
greater than the rate of upwardmovement of the wipers, 10 it may be inverted on its support to accommodate a right
effected by cam 143.. Accordingly, and as showntin
ora left shoeint-he same manner as are the wipers.
FIG. 6, just before the wipers reach their wiping plane,
Referring to FIG. 6, it will be observed that during
i_‘.e., are elevated slightly above the plane of theinsole I,
the application of the heightwise pull to the marginal
the lower edge a of the retarder 18 will be elevated to
portions of the upper materials, these materials are, in
apoint slightly below the upper sides ,of the wipers. 15 fact, shaped exactly to the edge?contour of the toe end
Now, as the wipers reach their wiping plane the retarder
of the last by being con?ned between the outer convex
will be elevated above the wipers and as the wipers are
surface of the retarder and the concave surface provided
advanced and closed, the marginal portion of the outer
by the operating edge of the wipers, which surfaces, of
layer of the upper materials will be folded back over the
course, correspond in shape to the edge contour of the
wipers and eventually drawn out from between the lower 20 last. Accordingly, the upper materials will be clamped
edge of the retarder and the upper sides of the wipers.
against the operating edges of the wipers with a uniform
As can be seen in FIG. 1, there is a slight dwell'between
the rises c and b onythe cam 354 so that the retarder 18
pressure throughout the entire length of the retarder so
that a uniform pull is applied and the formation of
remains in the heightwise position shown in 'FIG. 7 for
a short interval before it is quickly elevated above the
folds or of wrinkles in the upper materials as they are
tensioned heightwise about and shaped around the toe
end of thelast is de?nitely avoided. As the wipers are
wipers by, the rise d, ‘FIG. 8. During this interval, if
the pressure of the upper against the retarder is su?icient,
the retarder ‘may yield in the direction of movement of
advanced and closed, that portion of the lasting margin
of the outermost layer ‘of the upper materials which is
the, wipers, li.,e., to the left, FIGS.-6 and 7, such yielding
adjacent to the bottom face of the insole is still held in
of the retarder being permitted by the provision of a cut 30 this desired shape by the action of the retarder in fold
away portion 370a on the cam track 370, FIG. 1, and a
ing the lasting margin of this outer layer back over the
tension spring 371 connected to the upper arm of the
upper sides of the wipers thereby maintaining a continued
lever 202, In common with the machine of the men
control over the material ‘during‘the initial advancing and
tioned patent, the cycle of operations may be automat
closing movements of the wipers. -As a result, a very
ically brought to a stop with the wipers exerting down 35 smooth and sharply de?ned feather line is assured.
ward pressure on the marginal portion of the upper mate
, As will be seen by reference to FIGS. 5 and 6 of the
rials which has been wiped inwardly over the toe end of
drawings, in clamping the marginal portions of the upper
materials against the front operating edges of the wipers,
the insole and, following a desired dwell ofthe wipers,
the machine may be restarted and the cycle of oper
the retarder moves lengthwise of the shoe away from the
40 toe end of the last. Accordingly, during its subsequent
ations completed in the usual manner.
- As in the machine of the patent, the herein illustrated
movement heightwise of the last, together with the wipers,
machine is provided with an insole holddown 390, while
thereris no chance that the insole may be engaged and
differing slightly in exact mechanical construction from
the holddown of the patented'machine, the herein illus
displaced by the retarder.
,
By clamping the upper materials against the front
trated holddown serves the sarnepurpose and is operated 45 operating edges of the wiper, it becomes possible to main
in substantially the same manner as in the patented
tain this clamping act-ion on all layers of the upper ma
machine. Thus, the holddown390 is mounted on the
terials throughout the entire upwiping movement of the
lower “part of a slide 404 which is mounted in guideways
wipers ‘even though some of these layers are cut back,
in the holder 200. Associated with this slide is a push
as shown. In addition,_undue stretching'of the marginal rod 403 which extends upwardly thereabove and through 50 portion of the upper materials, necessarily involved where
a‘ guide block 405 which‘is secured to the holder 200 by
these materials are clamped ?atly against the upperjsur
screws 407. When there is no shoe in the machine, the
face of the?wipers‘ by theretarder and then drawn out
holddown is moved downwardly by a coil spring 410 con
from between theretarder and the wipers in this ?attened
nected to the push-rod 403 to the extent permitted by
condition, [is avoided. ,This greatly facilitates the sub
stop abutments'42t} and 422, FIG. 3. Extending laterally
55
sequent wiping _of the marginal portion of the upper
from the slide ‘404 is an arm 424, FIG. 2, from which
materials inwardly over the bottom of theme end of
there extends upwardly a link 436 threaded at 'itsupper
the insole.
,
7
endto receive a nut 434. ‘This link extends through a
Having thus described my invention, what I‘claim as
hole in the outer end of a third arm 432 of the three
new and desire to secure by Letters Patent of the United
armed lever 328 which is mentioned above. As in the 60 States is: V
.
machine of the mentioned patent, when the retarder 18 is
l. Ina machine ‘for lasting the toe ends of shoes, 21
moved quickly upwardly and away from the upper sides
support for a shoe comprising‘ an upper and an insole
of the Wipers by the rapid rise d on the cam 354, the
assembled on a last, toe ‘em-bracing wipers mounted for
insole holddown 390 will be likewise’ elevated as‘ shown
movement ?rst heightwise of a shoe on the support for
65
in FIG. 8, out of the way of the advancing and closing
shaping the upper’ around the toe end of the last and
wipers. However, if the elevation of the insole hold
thereafter ‘for advancing and closihg movements'lenglth
down is delayed by suitable adjustment of nut 434, the
Wise of’ thelast for wiping the marginal portion of the
holddown may be pushed to the left by the advancing
upper-inwardly over the ‘toe ‘end of the insolejrneans
wipers against the resistance of spring‘ 371 before it is'
for
thus moving the wiperspa retarder, a‘ support for
70
elevated.
'
.
As suggested above, the improved ‘retarder of this in
vention is shaped to conform to the edge'contour'of the
toe end of a last of a particular style and range of sizes.
In the latter connection, it will be‘under'stood'that they
the retarder, means‘mounting the last-mentioned support
for‘ movements in‘ directions extending heightwise and
lengthwise of the shoe,‘ andmeans for so moving the
retarder support as to cause the retarder to clamp the
marginal portion‘ of‘ the upperv against the'fr‘ont’operating
3,071,789
8
7
edges of the wipers between the wipers and the last as the
retarder and wipers move heightwise of the shoe so that
when the heightwise movement of the wipers is terminated
with the wipers in their wiping plane and before the
the wipers and retarder exert a heightwise pull on the
upper as it is wiped ‘heightwise of the last.
wipers are advanced and closed.
5. In a machine for lasting the toe ends of shoes, a
support for a shoe comprising an upper and an insole
assembled on a last, toe embracing wipers mounted for
movement ?rst heightwise of a shoe on the support for
shaping the upper around the toe end of the last and
2. In a machine for lasting the toe ends of shoes, a
support for a shoe comprising an upper and an insole
assembled on a last, toe embracing wipers mounted for
movement ?rst heightwise of a shoe on the support for
thereafter for advancing and closing movements length
wise of the last for wiping the marginal portion of the
shaping the upper around the toe end of the last and
thereafter for advancing and closing movements length
upper inwardly over the toe end of the insole‘, means for
thus moving the wipers, a retarder, a support for the re
wise of the last for wiping the marginal portion of the
upper inwardly over the toe end of the insole, means for
thus moving the wipers, a retarder comprising a relatively
thin strip of metal of substantially uniform thickness
tarder, means mounting the last-mentioned support for
movements in directions extending heightwise and length
mounting the last-mentioned support for movements in
directions extending heightwise and lengthwise of the
portion of the upper against the front operating edges
formed into a shape to conform to the edge contour of 15 wise of the shoe, and means for so moving the retarder
support as to cause the retarder to clamp the marginal
the toe end of the ‘last, a support for the retarder, means
shoe, and means for so moving the retarder support as
to cause the retarder to clamp the marginal portion of
of the wipers between the wipers and the last as the re
tarder and Wipers move heightwise of the shoe so that
20 the wiper and retarder exert a heightwise pull on the
the upper against the front operating edges of the wipers
between the wipers ‘and the last as the retarder and wipers
move heightwise of the shoe so that the wiper and re
tarder exert a heightwise pull on the upper as it is wiped
upper as it is wiped heightwise of the last, said support
movingmeans being adapted to effect heightwise move
ment of the retarder at a rate greater than the rate of
heightwise movement of the wipers and such that the
lower edge of the retarder is elevated slightly above the
25
heightwise er the rash
,
I
w
p
_
_
upper sides of the wipers when the heightwise movement
3; In a machine for lasting the toe ends of shoes, a
of the wipers is terminated with the wipers in their
support for a shoe comprising an upper and an insole
wiping plane and before the wipers are advanced and
assembled on a last, toe embracing wipers mounted for
closed,
and said support mounting means being arranged
movement ?rst heightwise of a shoe on the support for
shaping the upper around the_to_e end of the last and
thereafter for advancing and closing movements length=
‘wise of the last for wiping the marginal portion of the
ripper” inwardly over the toe and of the insole, means for
time moving the wipers, a retarder‘, a support for the
to provide a yielding of the retarder in a direction ex
tending lengthwise of the shoe with the wipers during
an initial stage in the advancing and closing movements
of the wipers.
6. In a machine for lasting the toe ends of shoes, a
support for a shoe comprising an upper and an insole as
retarder, means mounting the last-mentioned support for 35 sembled
on a last, toe embracing wipers mounted for
movements in directions extending heightwise and length
movement ?rst heightwise of a shoe on the support for
wise of the shoe, and means for so moving the retarder
support as to cause the retarder to clamp the marginal
shaping the upper around the toe end of the last and
thereafter for advancing and closing movements length
portion of the upper against the from operating edges
wise of the last for wiping the marginal portion of the
of the wipers between the Wipers and the last as the re 40 upper inwardly over the toe end of the insole, means
ta‘rde'r and wipers mpve heightwiseef the shoe so that
for thus moving the wipers, a retarder comprising a rela
the wiper and retarder exert a heightwise pull on the
tively' thin strip of metal of substantially uniform thick-v
upper as it is wiped heightwise of the last, said support
ness formed into a shape to conform to the edge contour
moving means being adapted to re?ect heightwise move
of the toe end of the last, a support for the retarder,
ment of the retarder at a rate greater than the rate of 45 means mounting the last-mentioned support for move-t
heightwise movement of the wipers and such that the
lower edge of the retarder is elevated slightly above the
ments in directions extending heightwise and lengthwise
of the shoe, and means for so moving the retarder sup
upper sides of the wipers when the heightwise movement
port as to cause the retarder to clamp the marginal portion
of the wipers is terminated with the wipers in their wiping
of the upper against the front operating edges of the
50
plane and before the wipers are advanced and closed.
wipers between the wipers and the last as the retarder
4. In a machine for lasting the toe ends of shoes, a
and wipers move heightwise of the shoe so that the wiper
support for a shoe comprising an upper and an insole
and retarder exert a heightwise pull on the upper as it is
assembled on a last, toe embracing wipers mounted for
wiper heightwise of the last, said support moving means
movement ?rst heightwise of a shoe on the support for
being adapted to effect heightwise movement of the re
shaping the upper around the toe end of the last and 55 tarder at a rate greater than the rate of heightwise move
thereafter for advancing and closing movements length
wise of the last for wiping the marginal portion of the
ment of the wipers and such that the lower edge of the
retarder is elevated slightly above the upper sides of
upper inwardly over the toe end of the insole, means for
the wipers when the heightwise movement of the wipers
thus moving the wipers, a retarder comprising a relatively
is terminated with the Wipers in their wiping plane and
thin strip of metal of substantially uniform thickness 60 before the wipers are advanced and closed, and said sup
formed into a shape to conform to the edge contour of
port mounting means being arranged to provide a yield
the toe end of the last, a support for the retarder, means
ing of the retarder in a direction extending lengthwise of
mounting the last-mentioned support for movements in
the shoe with the wipers during an initial stage in the
directions extending heightwise and lengthwise of the
shoe, and means for so moving the retarder support as 65
to cause the retarder to clamp the marginal portion of the
upper against the front operating edges of the wipers
advancing and closing movements of the wipers.
7. In a machine for lasting the toe ends of shoes, toe
embracing wipers for wiping the upper materials of a
shoe heightwise of the toe end of a last and for thereafter
wiping the marginal portions of the upper materials in
between the wipers and the last as the retarder and wipers
move heightwise of the shoe so that the wiper and re
wardly over the toe end of an insole on the last, a re—
tarder exert a heightwise pull on the upper as it is wiped 70 tarder for cooperating with said wipers, a support for said
heightwise of the last, said support moving means being
adapted to effect heightwise movement of the retarder at
a rate greater than the rate of heightwise movement of
‘the wipers and such that the lower edge of the retarder
retarder mounted for movements heightwise and length
wise of the last, said retarder being shaped to conform
to the edge contour of the toe end of the last and having
parallel
opposite side edges, and means for detachably
75
is elevated slightly above the upper sides of the wipers
3,071,789
9
.
securing said retarder to said support with either one
of said two parallel side edges down.
10
prising a relatively thin strip of metal of substantially
uniform thickness formed into a shape to conform to the
edge contour of the toe end of a last and having parallel
8. A retarder for use in a toe lasting machine com
prising a single piece of metal shaped to provide concave
opposite side edges.
and convex surfaces corresponding in shape, respectively, 5
References Cited in the ?le of this patent
to the edge contour of the toe end of a last and the edge
cont-our of Wipers adapted to’ conform to the toe end
UNITED STATES PATENTS
of the last.
9. A retarder for use in a toe lasting machine com
'
2,605,484
Macdonald ___________ __ Aug. 5, 1952
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