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Патент USA US2404497

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7 July 23, 1946.
H. A. IMHQF
‘ 2,404,497
LASTING MACHINE
Filed July 18, 1945"
. 2 Sheets-Sheet 1
,il !
, Inventor
I Herman A. [mhof
July 23, 1946.
2,404,497
H. A. IMHQF
_
(2364,2313
LASTIN-G MACHINE
Filed July 18, 1945
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2 Sheets-Sheet 2
2,404,497
Patented July 23,1946
UNITED STATES
PATENT OFFICE‘ ”
2,404,497
LASTING MACHINE
Herman A. Imhof, Beverly, Mass;~, assignor to
United ShoeMachinery Corporation, Fleming
ton, N. 1., a corporation of New Jersey
Application July 18, 1945, Serial No. 605,697
12 Claims. (Cl. 12-4)
1
. This invention relates to lasting machines and
sole rib, at a slight angle to the bottom’ of the
particularly to side-lasting machines of the type
shoe, and, before the fastening is driven, press
disclosed in United States Letters Patent No.
the upper materials firmly against the rib. Since ‘
2,201,866, issued May 21, 1940, on an application
the overlaying members are moved'positively to
?led in the name of R. H. Lawson, certain parts 5 ward the guiding presser-feet a severe strain may,
at times, be imposed on the operating parts when
of which are shown and described in more, detail
upper materials of ’ a ‘thickness greater, than that
in United States Letters Patent No. 1,854,204 and
for which the machine is set to accommodate are
No. 1,963,170, issued April 19, 1932, and June 19,
1934, respectively, on applications also ?led in the
encountered. To obviate this diinculty, andv to
prevent undue wear and the danger of part break- ‘
name of R. H. Lawson. It is to be understood,
age which might result therefrom, it has been
however, that the invention is not limited to ma
proposed to mount the guiding presser-feet on
chine organizations of the character exempli?ed
their respective lasting units with‘the capability
by such prior disclosures.
of yielding, to accommodate suchvariations in
Machines of the type disclosed in the above
mentioned patents comprise lasting ,units ar 15 thickness of the upper materials before undue
strain could be imposed on the parts, and an ar
ranged to operate progressively along the opposite
sides of a shoe supported on a jack as the jack is
rangement of this kind is shown in Patents‘ Nos.
moved, automatically, to shift the shoe in a
1,963,170 and 2,201,866, mentioned-above.
While the arrangement vjust referred; to has
proved to be wholly satisfactory, in accommodat
lengthwise direction relative to the lasting units.
These lasting units include upper-tensioning
grippers and upper-securing devices which, dur
ing such variations in the thickness of the upper
materials as are present in the usual types of
shoes, the extent of such inward yielding move
ment of the guiding presser-feet may, where ab
taneously at opposite sides of the shoe, and then
lay the tensioned upper inwardly, over the feather 25 normally wide variations in the thickness of the
upper materials are encountered, as may be the
of the insole, and press it ?rmly against a rib on
case at different points along the sides of certain
the insole to which the tensioned upper is secured
types of shoes or between shoes of different kinds,
by means of fastenings driven through the upper
become excessively largeand so great as to be
and the rib.‘ Also associated with each lasting
unit, is a guiding presser-foot having a rib-engag 30 detrimental to the lasting operation inasmuch as
it may cause de?ection of thelinsole rib, under
ing face provided with cavities in which the driven
the pressure of the overlaying memberv as trans
fastenings are clinched and, when the jack is
mitted to the rib by the interposed layers of the ,1
being operated to move the shoe, the, lasting units
upper material, far enough awayirom the cor
are urged apart by a spring to press these guid
ing presser-feet yieldingly against the opposite ” rect position in which it should be held by the rib
engaging face of the guiding‘ presser-foot to pre
inside faces of the insole rib, while the shoe is
vent the proper insertion of thefastenings. Also,
supported with its bottom pressed yieldingly up
since the fasteningsare clinched in cavities formed
against these presser-feet by a spring associated
on the rib-engaging faces of the guiding presser
with the jack. Subsequently, however, when
movement of the shoe has ceased, and during the 40 feet, such excessive inward yielding movement‘
may so displace these cavities, relative to the line
operation of the lasting units, these units are
of drive of the fastenings, that the fastenings
locked in the positions to which they had been
will not be clinched properly, if at all. This in
previously moved, with their guiding presser-feet
ward yielding movement of the guiding presser
held against the ribs, and the tension of the jack
spring is increased, or the jack locked, to hold 45 feet will also be accompanied by a downward
the shoe bottom up ?rmly against the guiding
movement of the shoe, which is not free to move
in a: widthwise direction, due to the‘ fact that the
presser-feet.
'
overlaying members move inwardly at‘ a slight
As the operation of each lasting unit proceeds,
angle to the bottom of the shoe. As a result,
the upper, after it has'been tensioned, is laid in
over the feather of the insole and pressed against 60 where thicker upper materials are encountered,
the fastenings may be driven considerably higher
the outside face of the rib by an overlaying mem
ing the intervals between movement of the shoe
by the jack, seize and tension the upper simul
ber, through which the fastening is subsequently ,
up in the insole rib than is desirable.
driven.
It is, therefore, an object of this invention to
provide, in a lasting machine of the type‘men
These overlaying members are moved
‘
positively inward from beyond the edge of the
shoe and toward opposite inside 'faces of the-in; .55 vtionecl, novel and improved means for operating
2,404,497
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‘ the overlaying members which are adapted auto
matically to compensate for variation in the
mechanism is provided for imparting such move
ments to the lasting units during the operation of
I thickness of the upper materials, from point to
the machine which is similar to that disclosed in
point along the opposite sides of a shoe, asthe
I ‘ lasting operation proceeds, without altering the
‘ position of the guiding presser-feet or depressing
To this end, and in accordance with
‘ the shoe.
these patents, and more particularly described in
Cl Patents Nos. 1,854,204 and 1,963,170.
Referring to Fig. 2 of the drawings of this appli
cation, the supporting member 2 of eachof the
my invention, in the herein illustrated machine
lasting .units hasa cylindrical upper portion 2%)
‘ the guiding ‘presser-feet are secured rigidly'to
which is rotatably mounted in a sleeve-like mem
10 ,ber 22 and each of these sleeve-like members is
1 their respective lasting units so as to be unyield
‘ ingly held against the opposed inside faces of the
- pivotally supported on the overhanging portion I4
ofrthe main framestructure I2 in the same man
ner as the corresponding elements of the lasting
ing members are operated by novel mechanism‘ I 1' units disclosed in the two patents last mentioned.
The lasting units are swung, in unison, about
including means, individual to each? overlaying
insole rib‘when the units themselves are locked
in position, as above explained, and the overlay
member, adapted to yield when the tensioned
their ‘pivotal mountings by operating mecha
upper has been pressed, by the overlaying mem
bers, against the rib with a predetermined
amount of pressure. More speci?cally, these
nism whichis'similar to that disclosed in Patent
‘No. 1,963,170 and which includes the links 24, 25,
bers and these springs are independently adjust~
able for varying the pressure applied to the ten
the lasting units, these units are swung away from
each other, through mechanism including a
spring means, so that the guidingLpresser-feet are
yieldingly held against the vopposite inside‘ faces
of the rib R on the insole, and, during this feed
ing movement of the shoe’, these'units are also
a lever 28 and a shaft 30. As is the case in the
‘ yieldable means comprise springs which are asso 20 arrangement of the machine disclosed in the
; ciated with a power-operated actuating member
patent just mentioned, during the operation of
the jack to move the shoe lengthwise relative to
that is common to both of the overlaying mem
‘ sioned upper by the associated overlaying mem
ber.
-
.
The above and other objects and features of
this invention will be obvious to those skilled in
j the art fromfthe following detailed description of
rotated, Within the sleeve-‘like members 22, by
a preferred embodiment thereof, illustrated in the 30 operating means which is similar to the mecha
accompanying drawings, and will be pointed out
nism provided for this purpose in the machines
in the claims.
disclosed in Patents Nos. 1,854,204 and 1,963,170.
In the drawings:
.
In the herein illustrated machine these mecha
Fig. 1 shows a portion of a machine of the
nisms include operating links 32. At the con
type disclosed in the prior patents, mentioned 35 clusion of the feeding movement ofv the shoe,
above, and embodying the features of this inven
and during the operation of the units to tension
tion; and
K
‘
the upper materials and to secure it to the rib
'
Fig. 2 is’ a view of a portion of the machine
R, the lasting units are locked against swinging
‘ shown in Fig.1, drawn at an enlarged scale and
movement so that their guiding presser-feet are
showing the operating mechanism’ of one of the
rigidly held against the opposite inside faces of
1 lasting units.
-
Referring to the drawings, the machine therein
illustrated is in general the same as that dis
closed in the prior Patent No. 2,201,866 and com- ,
the rib, by locking mechanism, not here shown,
associated with'the shaft 30, and similar to that
disclosed in the two last-mentioned patents.
'— The means for laying the tensioned upper ma
,prises a pair of lasting units each including ,a
terials in over the feather of the insole and for
securing it to the insole rib at opposite sides of
:ing presser-foot 4, an upper-tensioning gripper
the shoe simultaneously, comprises the overlaying
. 5, and an overlaying and upper-securing mem
and upper-securing members 8 which correspond
‘ her 8, a shoe-supporting jack I0 and a main frame
to the Wiper portions (I62) of the so-called car
structure I2. The jack I0 is exactly similar to, $50 riers ( I50) of the fastening, forming, and driving
‘ and operates in the manner of, the shoe-support
mechanism disclosed and described in detail in
‘ ing jack which is describedin detail in‘ the prior
Patent No‘. 1,963,170. As is explained in that pat
3 supporting member 2 on which is mounted a guid
‘ patent, just referred to, and, during the opera
‘ tion of the machine, is adapted to support a shoe,
including an upper U, assembled on a last L to .
‘ the bottom of which is securedan insole I, and
‘ to move it lengthwise, relative to the lasting unit
ent, during the operation of the machine, these
carriers are reciprocated, by mechanism including
bell-crank levers (I 80) provided vwith gear seg
ments (I18) that mesh with rack teeth (I75)
formed on operating slides (I'M), and, during
these reciprocating movements, the fastening is
in the manner explained in that patent.
The lasting units are likewise similar to those
5 disclosed in the patent just mentioned, the upper
tensioning grippers 6 of the machine shown in
the'insole and pressed against the insole rib, and
‘the fastening is driven through the upper mate
the accompanying drawings corresponding to
rials and the rib and clinched in recesses pro
the members 4 of that patent, and also to the
grippers I32 of the previous Patent No. 1,963,170 _
to which reference may be had for a complete
and detailed description of the construction and
vided in the operating faces of the guiding
presser-feet. In the herein illustrated machine
,
1
‘
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5 mode of operation of these tensioning grippers.
formed, the upper laid in over'the feather of
the parts identi?ed by reference characters 40,
42,744 and dio‘correspond, respectively, in con~
struction and mode of operation, to the members
, The lasting units are mounted on an overhanging
of the machine of Patent No. 1,963,170 just men- '
j portion I 4 of the main supporting structure I2
tioned; That is, the bell-crank lever 40, see Fig.
‘2 of the drawings of this application, is provided
‘ so as to be capable of swinging movement about
‘ horizontal axes extendingin a direction length
witha gear segment 42 which meshes With rack
wise of a shoe supported on the jack and also for
turning movement about vertical axes, normal
to the bottom of the shoe, in the same’ manner as
. teeth 44 formed integrally in an operating slide
in- each of the above-mentioned patents, and
75 ing lever 48 ‘which by movement of the operating
member 46.
Each of the lasting units of the
presentmachine also has-a spring-actuated driv
2,404,497
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slide outwardly, to the right in‘Fig.'2, is moved in
ing units, and a cam mounted on a main drive
excessive pressure can be applied orfundue strain
be imposedon the operating connections-" Dure
ingv downward movement of the‘crosshea'd lillthe
operating: slides 46 and overlaying. members 8_
will‘: be moved outwardly from the'shoe, to the
right in Fig. 2, and the driving levers 48 will be
latchedv by thelatches 50, see Fig. 1. These out
Ward'movements are positive since the bell cranks
58 will now bear against the stop surfaces 92 of
shaft of the machine and the guiding presser-feet
thecrosshead.
to a'position to engage a latch member 50 which
corresponds to the latch‘ (200) in the machine of
Patent No. 1,963,170. In these previous machines,
as shown in the last-mentioned patent and also in
Patent No. 2,201,866, these operating slides are
positively actuated by mechanism including an
operating crosshead, common to both of the last
of each‘ lastingunit are yieldingly mounted on
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‘a
‘
The upward movement of the crosshead 60 is .
suchv that, with no work in the machine, each
overlaying member will move in toward and al
their corresponding supporting members.
‘In the herein illustrated machine, see Fig. 2,
each of the guiding presser-feet is secured rigidly
most ‘into contact with its associated guiding
to its supporting member 2, by means of screws 15 presserefootd. Thus, when operating on a shoe,
5| and is provided with a recess 53 which, as will
as these members move inwardly, the springs 84
appear below, serves as a clinching cavity. The
will always be compressed somewhaiuand, re
bell-crank lever 40 of each lasting unit is oper-v
gardle‘ss of wide variations in the thickness of the
atively connected by means of a link 52, slide
upper. materials at different locations spaced
54, and link 56, to a, bell-crank lever 58 carried 20 along the shoe,’ or between shoes of different
by an operating crosshead 80, common to both
kinds, a- substantially uniform pressure will be
units. This crosshead is supported by an arm 62,
applied by'lthese‘overlaying members and the in
pivoted to the frame portion 14, see Fig. 1, and ‘
tensity of this pressure may be readily varied to
also by one end of a lever 64, also pivoted to the
suitdifferentoperating conditions by adjustment
frame member. The opposite end of the lever 64 25 of the screwxp-lugs .85 which, are provided with
carries a cam roll 65 which engages a cam groove
'screwedriver'slots 88 for this purpose. Moreover,
88 of a cam 10 which is, carried by a main drive ~
since variations in the thickness of the upper ma
shaft 12 of the machine. The arrangement so far
terials ‘are accommodated by compression'of the
described is similar to that in the prior patents
springs 84, the overlaying members will move in
mentioned above, and when the main drive shaft 30 wardly toward the‘shoe only the distance deter
is rotated the crosshead 60 is moved up and down
mined by the upper materials and, therefore, the
with a parallel motion e?’ect, produced by the arm
shoe will not be depressed.
.
.62 and lever B4,,whichg keeps the crosshead sub
' It will also bev observed that, regardless of
stantially level.
,
where either of the overlaying members stop in
Each of the bell cranks 58 is pivoted to the 35 their inward movement, the relationship of the
crosshead on a stud 8D and has an upwardly ex
tending portion that is provided with a recess 82
in which is seated one end of a compression spring
84. ‘The opposite end of each of these springs
engages a plug 86 which is screwed into a threaded 40
bore 88 in a portion 90 of the crosshead.
Adja- ’
cent to the upper ends of these bell-crank levers
the crosshead 60 is provided with oppositely fac
clinchingrecesses 53 in the guiding presser-feet
-4-;to ‘their: associated overlaying members will
always remain the same since these overlaying
members move in straight paths and the guid
ing presser-feet cannot shift their positions with
respect to these paths. Thus fastening devices
driven through these overlaying members, as
. through the driving passageways I00 formed
ing abutment surfaces 92 which serve as stops for
therein. by a driver I02, see Fig. 2, will always
limiting the swinging movement of the bell crank 45 strike the clinching recesses 53 of the guiding
58, about their supporting studs 80, in one direc
presser-feet squarely and :will, therefore, be
tion.
clinched properly. ’ As has been noted above, the
The herein illustrated machine operates in the
guiding presser-feet 4 are secured unyieldingly, to
their supporting members. Hence, with the units
same general manner as the machines of the prior
patents mentioned above, and while the shoe is 50
locked against movement, the insole rib is held
being fed along, the lasting units are urged apart
?rmlyinproper position and the pressure of the
so as to hold the guiding presser-feet yieldingly
overlaying members, regardless of the setting of
against the opposite inside faces of the rib R of
the springs 84, cannot de?ect or move the in
the insole I and the unitsare rotated about ver
sole .rib out of this position; all inequalities in
tical axes, so as to position the units properly .55 the thickness of the upper materials .beingcom
with respect to the curving rib. After the upper
pensated‘ for by the overlaying members and not
materials U have been tensioned at opposite sides
by inward movement of the guiding presser-feet.
of the shoe the crosshead 60 is moved upwardly,
Also, since the operating means for the overlay
by the cam 10, and the overlaying members 8 are
ing member of each lasting unit is yieldable in
moved inwardly, through the action of their op 60
dependently of, the other unit, any differences inv '
erating slides 46,» to lay the tensioned upper in
the thickness of the upper materials at opposite
over the feather of the insole and to press it ?rmly
sides of a shoe, will be accommodated.
against the outside faces of the rib at opposite -
Having described my invention, what I 0mm‘
sides of the shoe simultaneously. When the up
as new and desire to secure by Letters Patent of
per materials havethus been brought into con .65 the United States is:
tact with the rib and as the upward movement of
1. A lasting machine having, in combination,
the crosshead continues, the springs 84 will yield
and apply a measured pressdraadjustably var
iable by means of the screw plugs 86, to the upper
materials. The springs 84 are. of a strength suf~
?cient to insure that the tensioned upper mate
rials will certainly be moved into engagement with
the insole rib and into the position shown in
Fig. 2 by each overlaying member but are also
means for operating at opposite sides of a shoe
to work the opposite marginal portions of a shoe
upper over a last having a ribbed-insole positioned
w
arranged to yieldas shown inFig. 2, before an 7.5
thereon, said means including a pair of presser
feet arranged to engage the inner faces of said
rib at opposite sides of the shoe and ‘overlaying
members movable inwardly over the bottom of the
shoe at the opposite sides thereof to lay the OPPO'P.
site marginal portions of the upper over them
sole and against?the outside faces of said rib, and
‘ mechanism for thus moving said overlaying memi
1 bers inwardly and toward the rib comprising a
power-operated member, common to-both over
1 laying members, and yieldable means opera‘
tively connecting each of said overlaying members
‘
side" face of the‘ rib, means for, separating said
units to hold' their guiding presser=feet yield-'
ingly' against the inside faces of the insole rib
while the position of the shoe is being shifted,
means for locking the units against separating
movement so that the guiding ~pre'sserefeet are
held unyield'ingly' against the inside faces of the
rib, on‘ the insole during the operation of the
2. A lasting machine having, in combination, a
lasting units and the inward movement of‘said
work support arranged to carry a shoe having‘ a
ribbed insole and an upper assembled on a last, 10 overlaying members, and mechanism for so mov
ing said overlaying members inwardly and toward
a pair of units for lasting‘ the upper‘ at the oppo
the rib on‘ the insole, comprising a power--oper‘
site sides of the shoe, each unit including a guide
ated member common to both units and yield
ing 'presser-foot rigidly. secured thereto for en
able means operatively connecting each of said
gaging an inside. face of the rib on the insole, a
for movement by the power-operated member.v . '
gripper for tensioning the upper and/anoverlaye
ing member, movable inwardly from beyond the
overlaying members for movement by the power
againsltithe inside faces of the insole rib and for
locking the units in position to hold the guiding
presser-feet unyielding against the rib ‘during the
operation of said units and the inward movement
of the: overlaying members, and mechanism for
so moving said. overlaying members inwardly and
toward- the rib comprising a 'poweri-operated
feet arranged to engage the inner faces of said
rib at opposite sides of the‘ shoe and overlaying
members movable inwardly, over the bottom of
the shoev at the opposite sides thereof to lay the
operated member.
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5. A lasting machine having, in combination,
‘ edge of the shoe and toward the'ribi on the insole,
means‘ for operating at opposite sides of a shoe
for laying‘ the tensioned upper in over the feather
to Work the opposite marginal portions of ‘a shoe
of the insole and for‘ pressing it against the out
side face of the rib, means for separating the 20 upper over a last having a ribbed insole positioned
thereon, said means including a pair of pressere
units so as to urge their‘ guiding presserg-feet
‘ ,member common to both units and yieldab'le
opposite marginal portions‘ of the upper over the
insole and against the outside faces of said rib,
and means for thus moving Said overlaying mem
bers inwardly and toward the insole rib com
means-operatively connecting each of said over 30 prising operating mechanism» associated with
each overlaying member, a power-operated mem
laying vmembers for movement by thez'iower-v
ber common to both overlaying members, and
operated member.
7
V.
means for connecting said powereoperatedl mem
V 3.v A lasting machine having, in combination, a
bar to the operating mechanism of each over
pair of units for vlasting the opposite sides of a
shoe, having a ribbed insole and upper‘ materials 35 laying member including a spring adapted to
yield when the pressure exerted, by the overlays
assembled on a, last, in different locations spaced
ing member, on the upper as it is presseda‘g'ainst
lengthwise of the‘shoe, progressively as the posi- >
the insole rib by said overlaying member, ex
tion of the shoe is shifted relatively to said units,
ceeds a predetermined va1ue._
each- unit including a guiding presser-fo'ot rigidly
6. A lasting machine having, in combination,
secured thereto for engaging an; inside face of the 40
a work support arranged to carry a shoe having
rib on the insole and an overlaying member‘, mov
a ribbed insole and an upper assembled on a last,
able inwardly fromibeyond the edge of the shoe
a pair of units for‘ lasting the upper atthe op
and toward the rib on the insole,'for laying the
posite sides of the shoe, each unit including a
upper materials in over-the feather of the insole
, [and for pressing the materials against the rib,
guiding presser-foot rigidly secured thereto ‘for
means for separating the units so as to urge their
engaging an inside face of the rib on the insole,
guiding presser-feet yieldingly against the inside
a gripper for tensioning the upper and an over
faces of the insole rib as the position of’ the
layingmember, movable inwardly from beyond
shoe is being shifted, means for‘ locking the units
in position to hold the guiding presser-ieet un
yieldingly' against the rib during? the operation
the edge of the shoe and toward-the rib on the
of ‘said units and the inward movement of the
overlaying members, and mechanism for so mov
ing the‘ overlaying members inwardly toward: the
insole, for laying the tension'ed' upper in over the
feather of the insole and for pressing it against
the rib, means for separating the units so as to
urge their guiding presser-feet against the in
side faces ofv ‘the. insole. rib and for locking the
insole: rib- comprising a power-operated member,‘ '
units in position to hold the guiding prfesser-f'eet
common", to both units and, means for yieldingly
connecting said overlaying‘ members for move
unyieldingly against the rib during the opera
ment by the power-operated member.
4. A lasting machine having, in combination,
the overlaying members, and means for so mov
and movable to shift‘ the position of the shoe
relatively to lasting instrumentalities, a pair‘ of‘
ated member common to both units, and means
for connecting said power-operated member to
of the" insole and'for‘pressingi it against the‘ out
the‘ position Off the S1106 is ‘shifted relatively to
tion of’ said units and the inward movement .of
ing said overlaying members inwardly andv to
a worksupport. arranged to carry a shoe having 60 ward the insole rib comprising operating mecha
nism associated with each unit, a power-‘oper
a ribbed insole and an; upper assembled one; last
the operating‘ mechanism of each unit including
units for lasting the‘ upper and for securing it
in lasted position to the insole vrib at: opposite 65 a spring adapted to yield‘: when the pressure ex
erted, by the overlaying‘ member of the particu
sides: of‘ the shoe, in different locations spaced
lar unit, on the'upper as it is pressed against
lengthwise of' the shoe, progressively as the po
the insole rib by said overlaying member, ex
sition. of the shoe is shifted, each unit including
c'ee'd's‘ a predetermined‘ value.
a guioing presser-footrigidly secured thereto for
engaging an inside face‘ ofithe rib? on, the insole, 70, 7. A lasting machine having, in combination,
a pair of units for lasting the opposite sides of
a: gripper for tensionirfg the upper, and an over
a shoe, having a ribbed‘ insole and upper ma
layingv >member, movable inwardly beyond: the
terials assembled on a last, in different locations
edge ofithe‘ shoe and toward‘ the rib on the‘ insole
spaced lengthwise of the shoe,‘ progressively as
for laying the-‘tensioned upper, in over the feather
2,404,497
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said units, each unit including a guiding presser
foot rigidly secured thereto for engaging an in
side face, of thelrib onv the insole and an over
laying member movable, inwardly from beyond
the edge of the shoe and toward the rib on the
insole, 'for laying the upper materials in over
the feather of the insole and’ for pressing the
materials against the rib, means for separating
the units so as to urge their guiding presser-feet
yieldingly against the inside faces of the insole
rib as the position of the shoe is‘ being shifted,
means for locking the units in position-7 to hold
the guiding presser-feet unyieldingly against the
rib during the operation of'said units and the
inward movement of the overlaying members,
and means for so moving said overlaying mem
bers inwardly and toward the insole rib com
prising operating fmechanism associated with
10
said rib, and means for thus moving said overlay
ing members inwardly and toward the‘ insole rib
comprising operating mechanism associated with
each overlaying member,a crosshead movable to
operate the overlaying members, a pair of bell
crank levers pivotally mounted on said cross
head, links connecting one arm of each of said
bell-crank levers with the operating'mechanism
of one of said overlaying members, abutment
10 means on said crosshead engaging the opposite
arms of said bell-crank levers for limiting and
swinging movement in one direction, and spring
means for normally holding said bell-crank‘arms
against‘ the abutment surfaces, said“ spring means
each being "adapted to yield and'thereby arrest
the inward movement of the, associated overlay
ing member after the upper materials have been
pressed'against the insole rib with a predeter
each unit, a power-operated member common to
10. A lasting machine having,1in combination,
both units, and means for connecting said pow 20
a work support arranged to carry a shoe having
er-operated member to the operating mechanism
of each unit including a spring adapted to yield
a ribbed insole and an upper assembled on a last,
a pair of units for lasting the upper at the ‘oppo
when the pressure exerted, by the overlaying
mined
force.
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site sides of the shoe, each unit including a guid
it is pressed against the insole irib by said over 25 ing presser-foot rigidly secured thereto for en'
laying member, exceeds a predetermined value.
gaging an inside face of the rib on the insole, a
gripper for tensioning the upper and anover
8. A lasting machine having, in combination,
laying member, movable inwardly from beyond
a work support arranged to carry a, shoe having
member of the particular unit, on the upper as
a ribbed insole and an upper assembled'on a last
the edge of vthe shoe and toward the rib’on the
and movable to shift the position of the shoe 30 insole, for laying the tensioned upper in over the
feather of the insole and for pressing iti'against
relatively to lasting instrumentalities, a’ pair of
units for lasting the upper and for securing it
the rib, means for; separatingthe units so as to
urge their guiding-presser-feetv against the inside
in lasted position to the insole ribs at opposite
faces of the insole rib and for locking the units
sides of the shoe, in different locations spaced
lengthwise of the shoe, progressively as the po 35 in position to hold the guiding presser-feet un
yielding against the rib during the operation of
sition of the shoe is shifted, each unit including
a guiding presser-foot rigidly secured thereto for
engaging an inside face of the rib on the insole,
a gripper for tensioning the upper, and an over
said units and the inward movement of the over
laying members, and means for so moving said
overlaying members inwardly and toward the in
laying member, movable inwardly beyond the 40 sole rib, comprising. operating mechanism asso
edge of the shoe and toward the rib on the in
ciated with each unit, a crosshead common to
both of the lasting units and movable to oper
sole for laying the tensioned upper in over the
feather of the insole and for pressing it against’
ate the overlaying members, a pair of bell-crank
the outside face of the rib, means for separating
levers pivotally mounted on said crosshead, links
said units to hold their *guiding presser-feet 45 connecting one arm of each of said bell-crank le
yieldingly against the inside faces of the insole’
vers with the operating mechanism of one of the
rib while the position of the shoe is being shift
lasting units, abutment means on said crosshead
ed, means for locking the units against separat
engaging the opposite arms of said bell-crank le
ing movement so that the guiding presser-feet
vers for limiting their swinging movement in one
are held unyieldingly against the inside faces of 60 direction, and spring means for normally hold- v
the rib on the insole'during the operation of the
ing said bell-crank arms against the abutment
lasting units and the inward movement of said
surfaces, said spring means each being adapted
overlaying members, and means for so moving
to yield and thereby arrest the inward movement
said overlaying members inwardly and toward
of the associated overlaying member after the
the insole rib comprising operating mechanism 55 upper materials have been pressed against the
associated with each unit, a power-operated
insole rib with a predetermined force.
member common to both units, and means for
11. A lasting ‘machine having. in combination, a
connecting said power-operated member to the
pair of units for lasting the opposite sides of a
operating mechanism of each ‘unit including a
shoe, having a ribbed insole and upper materials
spring adapted to yield when the pressure exert
assembled on a last, in diiferent locations spaced
ed, by the overlaying members of the particular
lengthwise of the shoe. progressively as the posi
unit, on the upper as it is pressed against the in
tion of the shoe is shifted relatively to said units.
sole rib by said overlaying member, exceeds a _, each unit including a guiding presser-foot rigidly
predetermined value.
secured thereto for engaging an inside face of the
9. A lasting machine having, in combination, 65 rib on the insole and an overlaying member mov
means for operating at opposite sides of a shoe
able, inwardly from beyond the edge of the shoe
to work the opposite marginal portions of a shoe
and toward the rib on the insole, for laying the
upper over a last having a ribbed insole posi
upper materials in over the feather of the insole
tioned thereon, said means including a pair of
and for pressing the materials against the rib,
presser-feet arranged to engage the inner faces .70 means for separating the units so as to urge
' their guiding presser-feet yieldlngly against the
of said rib at opposite sides of the shoe and over
7 inside faces of the insole rib as the position of the
laying members movable inwardly over the bot
shoe is being shifted, means for locking the units
tom of the shoe at the opposite sides thereof to
in position to’ hold the guiding presser-feet un
' lay the opposite marginal portions of the upper
over the insole and against the outside faces of III yieldingly against the rib during the operation
2,404,497
11
of saidlunits andvthe inward movement of the
overlaying. members, and means for so moving
said overlayingmembers inwardly and, toward
the insole rib,vcomprising operatingmechanism ‘
associated with each unit, a crosshead common to
both of the lasting units“, and movable to operate
the overlaying members,‘ a pair of bell-crank‘
12
movable inwardly beyond the‘ edge of the shoe ‘
and toward the‘ rib on the insole for laying. the
tensioned upper in over the feather of the insole
and for pressing it against the outside face of
the rib, means for separating said units to hold
their guiding presser-feet yieldingly against the
inside faces of the insole rib while the position
of the shoe is being shifted, means for locking the
levers pivotally mounted on said crosshead, links
units against separating ‘movement so that the
connectingone arm of each of said bell-crank
levers with the operating mechanism of one of 10 guiding presser-feet are held unyieldingly against
the inside faces of the rib on the insole during the
the lasting units, abutment means onv said cross- '
operation of the lasting units and the inward
head engaging the'opposite arms of said bell
movement of said overlaying members, and means
crank levers for limiting their swinging movement
for so moving said overlaying members inwardly
‘ in one direction, and spring means 'for normally
holding said bell-crank arms against the abut 15 and toward. the insole rib, comprising operating
ment surfaces,v said spring -means ;each being
mechanismvassociated with- each unit, a cross
head'common to both of the lasting units and
‘5 adapted to yield and, thereby’ arrest ‘the inward
movable to operate the overlaying members, a
‘ movement of the associated overlaying member
pair of bell-crank levers pivotally mounted on said
after the upper materials, have been pressedv
‘ against the insole rib with a predetermined force. 20 crosshead, links connecting one arm of :each of
121A (lasting machine having, in combination,
1 a worksupport arranged to carry a shoe having
a ribbed insole and an upper assembled on a last
said bell-crank levers for limiting their. swing
atively to lasting instrumentalities, a'pair of units 25 ing movement in- one direction, and spring means
for normally holding said bell-crank arms against
for lasting the upper and for‘securing it in lasted ‘
position to the insole ribat opposite sides of the
the abutment surfaces, said spring means each
being adapted to yield and thereby arrest the in-,
sh0e,,in di?erentlocations spaced lengthwise of
ward movement of. the associated overlaying
the shoe,'progressively as the position of the shoe
is shifted, each-unit including a guiding presser~> 30 member after the upper materials have been
pressed against the insole rib with a predeter
foot rigidly secured thereto vfor engaging an'in- ,
mined force.
a
7'
r
side face of the rib on the insole,,a gripper for
v.
HERMAN A. IMHOF.
tensioning theupper, and an overlayingmember,
i and movable to shift the position of the shoe- rel
‘
1
;
1
said bell-crank levers with the operating mecha
nism of one of the lasting units, abutment means
on said crosshead engaging the opposite arms of
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