US1553349A

US1553349A - Heel machine

Info

Publication number: US1553349A
Application number: US362014A
Authority: US
Inventors: Erastus E Winkley
Original assignee: United Shoe Machinery Corp
Current assignee: United Shoe Machinery Corp
Priority date: 1920-02-28
Filing date: 1920-02-28
Publication date: 1925-09-15
Anticipated expiration: 1942-09-15

Description

E. E. WINKLEY Sept. 15, 1925.

HEEL MACHINE Original Filed Feb. 1920 4 Sheets-Sheet l Inventor wimm Sept. 15, 192 s. 1,553,349

E. E. WINKLEY HEEL MACHINE Original Filed Feb. 28, 1920 4 Sheets-Sheet 2 witness W [Z a 3 m gg flaw Invenwzr E. E. WINKLEY HEEL MACHINE Sept. 15, 1925. 1,553,349

Original Filed Feb. 1920 4 Sheets-Sheet 5 Inveni'ar f" .4. w' y W 0 Z/GJSW Sept. 15, 1925 E. E. WINKLEY HEEL MACHINE 4 Sheets-Sheet 4 Original Filed Feb. 1920 Patented Sept. 15, 19235,,

cam-nay. coneonn wton. .on-rewmisol NEW. JE BSEXi A? GQBEQBWIPI LJ on EW! ec lNEr A pl cation filed February-2. .929. .swisi Y9- fihfl t' 92 1 NE 19m e 355- To all whom, it may pan/camp.

. Be it n wn h t L WW LW',

a citizen of the Un ed S ates. tfi i a y n, inthe ha ty tEssem d State f 5 hifassaohusetts, have invented .oeptain new and useful.Improvements in Heel Machines; and I ,do hereloysdeclare the following to be a fulhclear, and exact description 0f th invention, such as willgenahle others Skilled inthe art to whi h-it appertains to na ge and use the same.

This invent-inn relates to a machine fo automaticauypmdneing he l or u e in th mannfactnre of shoeaangl mo re partien la qly to am-achine' in whichi resh-l-y pasted-heels are introduced into a ,ppess in wil h t y 3 "held under comparatively Light pressure diircing the setting or drying of the paste, and are thereafter transferred to a eomp ressor in which they are molded into shape-auntie; heavy pressure.

The general object 9f the invention is to w d a m hine e t e ehove heele character which; is simple in construction 25 and which will operate uniformly to pnodnce a superior grade of heels.

To: this end the present invention resides in a machine. hayingqanessing and .colnp 'ess ing mechanisms and means for tnansfienring heels trom: theplfessingmechanism to the compressing lncchanism said mechanisms andtransferr-ing means being ianiganged to hoopenate as a unitary, singlecyole machine, the open-ations of which are initiated Joy .mea-ns underlthe control of the .opea atora and automatically anrested, at the .end of each oyc1e, -with the .conip essing in strnmentalit ies closed to, hold a heel under coinpxession. T "Inf the, PIGKEGIIEGQl wen hodiiment ot i the 49 r'p 'esent invention, .thepressingand compress ing mechanisms ane independently driven and each is' loosely connected with its sonnce of power by means ,of a driving belt. These mechanisms are, however,- lht el-CQILI leOtBCl 45 and Icontiiolledain such a manner that they are :oonstnained ito openate in timed relation witheachother. :1The'Qp-e ta 0n of t e onese- Ji-ngHmeclmnism-isf initiated by, or in con- .neotion with, the fiGhxOEfliIktlDdHC lllg a heel to said mechanism and is automatically ar- -I=est.ed upon-"the completion of a singleeycle of operations. 'The pressing I meqhanisin, 411139011 istarti-nguits cycle oat ,opeizations, .sets

pressing mechanism; :Fig. 3

elevation shown in {Fig ,6.

chine; liig. 2 is a Yiew in rear elevation, on an enlarged scale, sl lOWlIlgQtllB heel co nptessing' mechanism together with feed mechanism for adyancing a conyeyor by means of which the heels are transferred from the pressing vmechanisln to the corna s? p P n v ew, on ,an enlaifgedscale, of .aportion of the heel-pressing mechanism, showing particnlarly ,a device fonthansferring the heels from the pressing n eohanisrn to {the con- .v eye r; 4 is a view, infl ont elevation, of certa n of thegarts shownin '3, the

transferring dev ce being shown in a different posit on and a portion of the frame work of the machine. being hi oken away to illustrate the construction inore cleanly; Fig. 5 is a e a l s t a i w, 01. an n a ie scale, talgen ,onthe line 5f5 Of Fig- 1; Fig. 6 is a detail iew, in front elevation, and on an enlarged: scale, jsl io wing a portion of the means fo sta i e nd s epp n the he lpr-essing mechanism Fig. 7 is a detail View, in side elevation, of a portionof the n echanism shown 2, looking from right to left; ,8 is adetail' plan iew showing the me ian ism for stating the operation of. the heelfco npgessing mechanism; an d Fig. 9 isiade tail Yiew, in side ,1 of aportion ofthe, mecha ism Rete e e iei 1 e e .tllz wi e th ,machine ,constituting the present inyention coinp ises, in .genenal, ,a,.l1eel-.p ess' 10; a heel-eompgessor 12; a conveyer 15]; by means of whiohthe .heel's are carried irointhepress to the compressor}, ,a-ftlti llsflfifif 16, for fremoving the heels singly from the press and depositing them on the conveyer; and a transferrer 18, for removing the heels singly from the conveyer and delivering them to the compressor.

Except for the details of construction and operation of the ejecting mechanism, the heel-press 10 is like that disclosed in applicants Letters Patent of the United States No. 1,452,671, dated April 24, 1923, and assigned to the United Shoe Machinery Corporation, and therefore only a brief and general description of the common features of the machine will be given, reference being had to said patent for a more detailed description, if desired.

The heel-press 10 comprises an annular rotary carrier 20 which turns in a horizontal plane and supports a series of unit heelclamps 22 having relatively movable, upper and low-er, substantially horizontal, heel engaging members or jaws 24, the parts being so arranged that heels maybe introduced to and from the clamps by movements in a horizontal plane. The rotary carrier 20 is moved intermittently, in the same direction, to bring the clamps 22 successively to a station 26 where the clamps are opened and the heels discharged therefrom. After the discharge of the heel from a clamp at the station 26, a fresh heel is loaded into the open clamp which closes upon the heel before the carrier starts its next feed movement. The intermittent feed movement of the carrier is effected by a suitable can] on a cam-sleeve 28, the sleeve being intermittently rotated by clutch mechanism 30 that is driven from a continuously operated power shaft 32. By means of the clutch mechanism '30 the press is caused to perform a single cycle of operations after which it is automatically arrested until again thrown into operation under the control of the operator.

The loading of the press is affected by a manually controlled spring-actuated feedarm 34 (Fig. 3) which is adapted to swing horizontally across a feed-table 35 toward and from the loading and discharging station 2-6. The operator places a. previously pasted rough heel, which is to be loaded into the press, between a pair of gage-members 36 that are carried by the feed-arm. The feed-arm is normally positioned and latched at one side ofthe feed-table 35, as shown in Figs. 1 and 3, and when a heelis placed between the gage-members 36 the heel is temporarily supported by a tripplate 38 which controls the operation of the feed-arm. By exerting a slight downward pressure on the heel, after it has been placed between the gage-members 36, the operator causes the trip-plate to be depressed, whereupon the feed-arm is released and swings inwardly, carrying the heel into an empty clamp at the station 26, the movement of the heel being limited by a breast gage 40.

As so far described, the operation of the parts is the same as described in said Patent No. 1,452,671., above referred to. In the machine of said Patent, however,the breastgage operates, just prior to the loading of a heel into a clamp of the rotary carrier, to eject from the clamp the heel which had been previously inserted therein and which has been held thereby a sufficient time for t e setting or drying of the paste. In the present machine, however, inasmuch as the transferrer 16 is provided for removing the heels from the clamps 22, it is not necessary a for the breast-gage 40 to perform also the function of an ejector. Accordingly, while the same provision is made, in the present as in the prior machine, for retracting the breast-gage 40, prior to each rotation of the clamp-carrier, the breast-gage is thereafter moved slowly toward the clamp, advancing slightly beyond normal position to dislodge the heel, in case it should be stuck in the clamp, and immediately being returned to its normal breast gaging position.

The compressor 12 (Figs. 1 and 2) is of a wellknown type and, with the exception of its driving mechanism and its starting and stopping mechanism, is similar in its general characteristics to the machine disclosed in United States Letters Patent No. 1,213,052, granted January 16, 1917, to the present applicant, and assigned to the United Shoe Machinery Corporation. The con-' struction and operation of the compressor need not therefore be described in detail. It should be understood, however, that the compressor is provided with the usual heelcompressing instrumentalities comprising a stationary heel-seat die, which is not shown in the drawings, but which is supported on the upper portion of a frame 42, and the usual heel mold (not-shown) which is carried by a vertically reciprocating cross-head 44, and is adapted to cooperate with the die to compress and shape a heel. Secured to the cross-head 44 and reciprocated therewith is a feed-table 46 whichv is provided with the; usual side-guides 48 upon which the usual feed-slide 50 reciprocates horizontally for the purpose of feeding heels into position to be operated upon.

The mechanism for driving the compressor is similar to that disclosed in United States Letters Patent, No. 7 7 6,87 5, granted December 6, 1904, to E. A. Tripp, and assigned to the United Shoe Machinery Corporation. As therein illustrated and described, the compressor is adapted to be driven from a driving shaft 52 (Fig. 1) which is mounted in bearings in the rear portion of the supporting frame and is provided with fast and loose pulleys 54 and 56 respectively.

Thedriving shafti 52 is connected through suitable gearing with a crankshaft 58 anda link 60 operativelyconnects the crank-shaft with an operating "toggle (not shown) -by means of which the cross-head 44 is iecip rocated.

'The' startingand stopping of the com-' press or is effected by'shifting -a, drivingjbelt into or out of en 'agementlwith the fast pulley. 54. The means fer shifting the drivingbelt, as also shown in the above mentioned Tripp patent, comprisesja belt-shifter 62 which slides in a bearing 64 at the rear of the frame 42 ot the CGHfllJIGSSO-l'l The 1 shaft 68 and acted uponby a suitable spring 72 which tends to raise the arm and main tain the driving belt in engagement with the loose pulley/-52. Provision is also made for automatically depressing and raising the arm 70 to control t-hefstarting and stopping of the compressor.

The means for thus automatically controlling the starting and stopping of the compressor constitutes a. feature otthe present invention and comprises a lever 74: (Figs; 6 and 0) which is fulcrumed at one end on a stud 76 carried by the compressor frame 42. Atits opposite end the lever 74; is provided with a spring pressed plunger 7? which bears against the upper longitudinal edge of the arm 70. The lever Tel is adapted to be actuated by means of a

togglecomprising members

78 and 80. The toggle member-78 is'pivotedat 82 the lever 74 and the toggz le member is pivoted on a stud 84 carried by a bracket t-hat is secured tothe compressor frame 42. The two toggle meml'lers are connectedtogether by means a knucl zle pivot stud 86.

lnorder that the toggle 7880 may beopera-ted periodically by the heel-press, the knucl zle pivot-stud 86 is connected by means of a rod 88 with one arm of a cam lever 00 (Fig. 8) which is l'u lcrumed in a bracket 92 p-roiect inp from the trams or the press. The other arm of the :cam lever carries a cam roll .9 1 which rides againstthe inner lateral face of :a cam 06 which issec ured to the ca-n'i-sleeve 28 ct thepres-s l0.

Shortly after the press 10 has started its cycle-oil operations. the .turningof'the cam 96 causes the 78S0 to be straightened "and-the lever- 4!; to be swung downwardly. As the lever Yet-and theplunger 77. move downwardly, [the arm 7 0 isdepressed, thus rocking the shait '68 and throwing thebeltshifter 62 to start the compressor. The shifting of the driving belt is completed just before the toggle becomes fully straightened and thereafter the spring pressed plunge-r Y7 yields upwardly to permit thea'dditi'onal downward movement of the lever "'54 caused by the swinging of the knuckle pivot 86 to dead center. The cam 96causes' the knuckle pivot of the toggle tobe carried just beyond dead center, whereupon the edge of the toggle linl: TB'engages a'flatface 98011 the'lever 7 which prevents further lDOVBHlQDlZj toward the left in Fig. 6 or said pivot, so that the arm 70 is held depressedand the driving belt is maintained in driving engagementwith the fast pulley of the compressor; V

The conveyer' 14c meansof which [the heels arecarried from the press to the compressor, comprises an endlesschain such, for example, as that shown in the applicants Pa'tentNo-J 1,213,052, hereinbeitore mentioned The conveyer chain extends from the press tothe compressor and is supported by two sprocket wheels 100 "and 102, each consisting of a pairof notched diskswh'ich are fixed side-by-side on a common axle. The axle of the sprocket wheel 100 (Figs. 3 and 4) is journaled in a bearing bracket 103 that is secured to thejtrame of the press and the axle of the sprocket wheel 102 2 and 7) is journaledxin suitable bearings supported by the frame 1-2 of the compressor.

Theconveyer chain,as describedin, the

aforesaid patent, comprises a series of flat links 10lwhich are pivoted together endto-end by transverse pivot rods 105, the pivot rods extending through lateral flanges 106' which projectv downwardly from the links." Each linlrlOd is provided with a transverse rib 108 which engages the breast edge of" the heel. At each side of the conveyer chain the pivot rods are provided withrollers 110 which are received in the notches in the sprocket wheels.

In the present machine it is desirable that thelink-otf the conveyer chain which is in position to receive a heel from the transferrer 16 and the link from which a heel is tobe removed by the transterrer 18 shall be supported in a horizontal plane. Inasmuch as the delivery end of the conveyer which 1s the sprocket wheel 100 and asthey approach the sprocket wheel i102. To this end a pair of guide members 112 (Figs '1, 3 and 1) are secured to the bearing bracketdOS, and a pair of guide members 11 1 l and 2 are-securedto a portion'o'f the frame 42 of the compressor,. and these members are adapted to engage the rollers 110 so asto maintain the links in the conveyer chain horizontal while they are adjacent the guide members.

The conveyer 14 is actuated step-by-step, be feed mechanism which is associated with the compressor and derives its power from the reciprocations of the cross-head 44 and feed-table 46. This feed mechanism, which is a feature of the present invention, acts during the operation of the compressor, while the cross-head 44is rising, to advance the conveyer chain through the space of one link.

As shown in Figs. 2 and 7, the mechanism for advancing the conveyer 14 comprises a ratchet wheel 116 which is secured to the axle of the sprocket wheel 102, and which is adapted to be rotated by a. feeding pawl 118. The pawl 118 is carried by an arm 120 which is pivotally mounted on the axle of the sprocket wheel 102, and a suitable spring is provided for holding the pawl against the ratchet wheel; In order that the pawlcarrying arm 120 may be oscillated to efiect the feeding of the conveyer chain, said arm is connected by a link 122 with the bent upper arm of a lever 124 that is pivota'lly mounted on a bracket 126 on the frame of the compressor. The lower arm of the lever 124 carries a roll 128 which is received in a cam slot 130 that is formed in a plate 132 depending from the feed-table 46.

Upon the upward movement of the crosshead 44 and feed-table 46, one side of the cam slot 130 causes the lever 124 to be rocked so that the feed pawl 118 will rotate the ratchet wheel 116 through the space of one tooth and advance the conveyer chain through the space of one link. Upon the descent of the feed-table 46 the opposite side of the cam slot 130 causes the lever 124 to be rocked in the opposite direction so that the feed pawl 118 is retracted idly over one toot-h of the ratchet wheel preparatory to its next feed movement.

In order to insure against accidental advancement of the conveyer during its periods of rest provision is made for locking the conveyer chain after each feed movement thereof. To this end a second ratchet wheel 134 is secured to the axle of the sprocket wheel 102 alongside of the ratchet wheel 116, the teeth of the ratchet wheel 134 being pitched oppositely to those of the ratchet wheel 116. The ratchet wheel 134 is engaged by a. locking pawl 136 which is pivoted on a fixed stud 138 and is normally held in looking position by a spring 140, one end of the spring being secured to a fixed part of the frame and its opposite end being secured to a tail 142 on the locking pawl.

It is necessary to disengage the locking pawl from the ratchet wheel 134 prior to each feed movement of the feeding pawl 118 to permit the advance of the conveyer chain, To this end the tall 142 of the locking pawl is engaged by the upper end of a trip-bar 144 having its lower end pivoted to one arm of a bell-crank lever 146 that is pivoted at 148 to the bracket 126. The other arm of the bell-crank lever 146 carries a roll 150 which is received in a cam slot 152 in the plate 132 of the feed-table 46. The trip-bar 144 is normally maintained in operative engagement with the tail of the locking pawl by a spring 154, one end of which is secured to the trip-bar while its opposite end is secured to a bracket 156 on the frame of the compressor.

As the feed-table of the compressor rises, the trip-bar 144 is elevated sufliciently to disengage the locking pawl 136 from the ratchet wheel 134. Continued upward movement of the trip-bar 144 causes a cam face 158 (Fig. 2) which is formed upon the tripbar to ride over the adjacent edge of the bracket 156, thus swinging the upper end of the trip-bar outwardly from beneath the tail of the locking pawl and permitting the pawl to return into engagement with its ratchet wheel 134, so as to lock the conveyer against further forward movement after the feeding pawl 118 has ceased to act. As the feed-table descends, the trip-bar 144 is reset so that it is ready to function again at the next operation of the compressor.

The transferrer 16, by means of which the heels are transferred from the clamps of the heel-press to the conveyer 14, comprises an arm 162 (Figs. 3 and 4) which is pivoted for horizontal swinging movement on apost 164 rising from the feed table 35 of the heelpress. The arm 162 carries a pair of clamp arms 166 between which the heels are gripped. In order that the transferrer arm 162 may be swung toward and from the press, a

rearward extension 168 of the arm is connected by means of a. rod 170 to one arm of a cam lever 17 2 (Fig. 5) which is fulcrumed on a stud 174 projecting from a portion of the frame of the compressor. The other arm of the cam lever 17 2 carries a cam roll 176 which is received in a groove in a cam 17 8 that is secured to the crank shaft 58 of the compressor. The clamp arms 166 are pivotally mounted on the underside of the transferrer arm 162 and at the outer ends of the clamp arms are severally pivoted clamp plates 180, which are adapted to engage the opposite curved edges of a heel.

In order that the clamp arms 166 may be moved simultaneously toward and from each other so as to cause the clamp plates 180 to grip or release the heel, the arms 166 are connected by means of intermeshing segmental gears 182. The inward or clamping movement of the arms 166 is effected by a spring 184 which extends from one of said arms to the other. The clamp plates 180 are curved to conform to the curved contour of the lateral edges of the heel and by reason of their pivotal connection with the clamp arms 166 are permitted to readily adjustthemselves to theheel.

192 holds the dog 186- inoperative position.

lVhenthetransterrer arm 162, as it swings toward the heel-press, approaches the end of its movement, a. lug 194. on the dog -18d is engaged by a trip-pin 196 depending from a horizontal brackety198 that is secured to the top of the post 164, the pin causing the dog to swing out from behind-theextension 190 of the clamp :arm andpermitthe spring 18% to swing the clamp, arms toward each other, ,thus causingthelclamp plates 180 to seize the heel preparatory to, removing it from the open Clarhphof-the heel-press. Atthe beginning of operations, before -the-ro-- tary carrier of the heel-press has made a complete revolution, there will be no heelsin'the heel clamps oft-the carrier to beremoved by the transferrer 16. I the absence, of a heel in the clamp of thecarrieratthedischarge station 26vwhen the transferrer 16 swings inwardly, the closing movement of the clamp arms 166 of the transferrer willbe limited by the engagement of-the extension 190with fa portion ofthe lug 19 1.

Afterseizing a heel the trans-ferrer arm 162 is swungaway "fromgthe press, transferring the heel to the position indicated at 200, in: Fig: 8, directly aibove an empty link 1 i of the conveyor chain 'which'wasadvanced to theposition it occupied in the press, As theclamp arms swing outwardly, the clampinto position to receive the heel atgtlhe last feed'movement'ofthe conveyer. Just asthe heel reaches this position, a p-in 202 rising from the inner segmental lever 182, engages,

a'lug 20;} depending from the bracket 198,-

and the clamp arms-166 are caused to swing outwardly to release-the heelwhich jis deposited, base lift end down, on the empty conveyor link in the positlon shown in Fig.

3, with its breast adj acentthe transverse rib,

108 of said link anddisposed at r ight angles armextension 190 passes "beyon d the shoulder 188 on the dog 1 86 and the dog moves in; wardly bringing the shoulder H188 behind.

the extension J90, thus locking the-clamp arms in open position. v

Each step movement ofthe conveyor advances a-heel into position 'to jbe transferred tothe feed slide of the compressonWThe transterrer 18, by means-of which the transterral from the'conveyer to the compressorisel'lected, is the same in construction and arrangement as the corresponding device illustrated and described n apphcants Letters Patent No. 1,213,052, hereinbefore re- .terred to.

' i As set ,torthin said patent, the transferrer 18 ,comprises a. pain 10f clamping j aws 208, which are carriedloy a clamp body 210 that is mounted. .on the frame of the .eOmp -tessor, The clamping jawsQOBare operatedtg Seize a heel i by engagement with its opposite-later-al surf-acesKind the clampbody glq is rockedbyvthe upward movement ,oithe' c o'ssheadandi-feed-Etable about a horizontal axis ,parallel ,tojthe direction vof feed, of, thaconveyer, swinging thecheel through an. a e of 180- and thus inverting, it. and bringing. it intopos-itlon to be deposited upon the teed- .slide ofthelcompressor. 1 The olampiltlg .jflWs 208-; are. i then r operated to release the lzhe l V which is deposited, top lift and down, on the feed-slide;

Inthe present. machine the. transterreswings towardzthe conveyor, during the first part otthe cycle otoperations o-f thetompressor, and. seizes, the thee-l carried at the leading end of theconv-eyer. Dur ng the latter pa-rt of .the cycle of operations of the compressor, thelheel is [deposited by, the transferrer 18 upon the feed-slideofthecompressorl and thenl-the conveyor. is advanced, by thet feedmmechanism hereinbefore. de-

scribed, to bring another heelflinto position for transferral to tliecompressor at; the {nextcycle of operat1ons. Theconrpizessor is then automatica l ly.stopped,- and ismot started again until a new heel has .loeentin serted in the heel press.

Heel compressors, heretofore employed,

have Ibeen constructed. and arranged to ..op

erate continuously and accordingly the heels were subjected to compressiononly"whilethe cross-head-of-theucompressor was inumoentarily in its uppermost'lposition. 3111 the pres- 'ent machine,a certain period of time ,necessar1ly-elapses between successlve. cycles of operation of the compressor, before a f-resh heel has been introduced,into-the .press ,and the cam 96 hasroperatedhztosagain start the compressoi and,.l in Jorder to {increase the effectiveness of :the compressor the arrangement is such that the operationof thecom- V pressor is arrested when l the cr ss-head :is n

{its uppermostposition, so ;that;the,.hee l is malntamed under. compression, an; the mold during theinterval whenathe compressor is at rest. By.thus.heeping theheels under compression-van the 1 mold for ,an apprec able length of time instead of onlyimomenta-rily,

as heretofore, more smoothly finished and more thoroughly. compressedheels arefproduced.

V The compressor is automatically stopped after each cycle of ,openations by cam-actuated mechanisinb which breakslthe toggle 78-80, andpermits the, spring 72 to raise the arm *FOand rock-the shatt tla {in a direction toshiftthe driving belt from the gf ast pulley 54 to the loose pulley 56. In the conperiphery of the cam 178.

struction shown, a bell-crank lever 214 (Fig. 5) is fulcrumed on the stud 174, alongside the lever 172, and carries at the end of its upper arm a cam roll 216 which rides on the periphery of the cam 178. The lever 214 is actuated by a projecting portion 218 on the The lower arm of the lever 214 is connected by a rod 220 with an arm 222 (Fig. 6) which is secured to a rock shaft 224 that is j o-urnaled in bearings on the frame of the compressor. Extending downwardly from the rock shaft 224 is a trip-arm 226 which is adapted to-engage a dog 228 that is pivoted, intermediate its upper and lower extremities, upon an upward extension of the toggle link 80 and is normally held by a spring 230 with its lower end against a shoulder 232 on the extension of the toggle link 80. At each cycle of operations of the machine, after the toggle formed by the

members

78 and 80 is straightened, to start the operation of the compressor, the trip-bar 226 first swings in a counterclockwise direction, viewing Fig. 6, and the dog 228, when engaged by the trip-arm, rocks idly against the tension of the spring 230, permitting the trip-arm to pass beyond the dog. The dog 228 is then restored by its spring 230 to its normal position against the shoulder 232. Upon the movement of the trip-arm in the opposite direction, however, just before the compressor is automatically brought to rest, the dog 228 is prevented from rocking about its pivot by the shoulder 232 and as a result the toggle link 80 is swung by the trip-arm in a direction to break the toggle 78-80 and cause the shaft 68 to be rocked so as to effect the shifting of the belt from the fast pulley of the compressor to the loose pulley. The compressor is then brought to rest with the compressing instrumentalities closed to hold a heel un* der compression.

The operation of the machine is as follows: Assuming that the heel-press and the conveyer 14 are filled to capacity with rough heels, the operator places a previously pasted rough heel between the gage members 36 of the feed-arm 34 and depresses the heel slightly to operate the trip-plate 38. The feed-arm then swings inwardly toward the heel-press, introduces the heel into an empty heel clamp which is open and ready to receive it at the receiving and discharging station 26, and immediately returns to its normal retracted position. The inward movement of the feed-arm automatically starts the operation of the press, rotating the clamp carrier 20 one step, in the direction of the arrow in Fig. 1, thereby advancr ing the next heel clamp into position to discharge its heel and receive a new heel. The step movement of the clamp carrier operates in the manner hereinbefore described to start the operation of the compressor which is normally at rest with the cross-head in its uppermost position holding a heel under pressure in the mold. As the compressor starts to operate, the cross-head 44 and feedtable 46 descend, and at the same time the feed-slide 50 advances toward the heel mold in the cross-head, carrying a rough heel which was deposited thereon at the preceding cycle of operations. The transferrer 18, which was ositioned with its clamping jaws 208 extending over the feed-slide 50, swings toward the conveyer and the jaws 208 close upon the. heel that is carried at the leading end of the conveyer. At the end of the downward movement of the cross-head 44 the heel, which was compressed at the preceeding cycle of operations of the compressor, is ejected by the feed-slide from the mold and the rough heel carried by the feedslide in deposited in the mold. The crosshead and feed-table then rise, the feed-slide being simultaneously retracted from the mold. On the upward movement of the cross-head and the feed-table the transferrer 18 starts to swing toward the feed-table. The conveyer is then unlocked and advanced through the space of one link, bringing another heel into position to be seized, at the next cycle of operations, by the clamping jaws of the transferrer 18, and advancing an empty link into position to receive a heel from the press before the completion of the present cycle. As the cross-head reaches its uppermost position, it comes into cooperative relation with the heel-seat die compressing the heel in the mold. The feedslide is then in its fully retracted position and the heel carried by the transferrer 18 is deposited thereon. During the last part of the cycle of operations of the compressor and just afterthe advance of the conveyer chain, the transferrer 16 is swung toward the press and seizes the heel, which is in the open clamp at the station 26, and immediately returns and deposits the heel upon the empty link of the conveyer chain. The triparm 226 is then actuated to break the toggle, comprising the

members

78 and 80, and the compressor is automatically stopped with the cross-head in its uppermost position, holding a heel under compression in the mold. The operator then places another previously pasted rough heel between the gage members of the feed-arm 34 and depresses the heel, thus causing the feed-arm to swing inwardly, as before, introducing another heel into the press and initiating another cycle of operations of the machine. From the foregoing description it will be apparent that while the pressing and the compressing mechanisms of the present machine are independently driven and loosely connected with a source of power, by means of driving belts which are liable to slip and normally closed, means for initiating the pietion of each successive-cycle of operations, With the compressing instrumentalitiesol0secl"11pon the heel, insures the pro- "duction' of heels which are-more smoothly finished and more thoroughly compressed thal'i'tho'se produced by compressing mechani ms hereto-fore employed. I '-l/Vl'1ile the particulars of construction "herein set forthare-"Well suited to one form 'oftlie invention, it is to be understood that theseparticularsare not essential since they of the "artisan Without departi-i'ig hem the true scope of the actual invention as defined by the followin claims.

fH'avi'ng described the invention, that which is claimed as new i's-:

1. Afinachine for operating upon heels having, in combinatio-n, a heel mouldingcom'pressor adaptedto perform a single 0y: cleof operations-and ai'itoma'tically come to rest 'xvitlr'the compressing instrumentalities closed to hold "a heel under pressure, means having, in combinatio'n, a hee'hpressior holding freshly pasted heels during 'the set ting of the paste, aheel moulding-compressor controlled by the operation of the press,

and means for transferring the lleQlfli lOin the press to-the compressor.

'6. A machine-for operating upon-heels "having, in combination, a heehpress, a heel inoulding-compressor controlled by the operation of the press, andmeans controlled by the operation of the compressor for transferringheels from the pressto the compressor.

7. A niachine for opei'fiating upon heels having, in combination,- a heel-press, a heelcompressor, a conveyer extending from the for advancing simultaneously a seies of heels to hejdeliver'ed successively to the "compressor anduneans for starting the operation of the compressor by the act of supplying a remote heel "in said series to be operated upon. 7

2. A' machine for operating upon heels having, in combination, asinglecycle heelpress, "a single 'c'ycle heel moulding-coni-pres 'sor, means for transferring a series of heels 'inimison fromthe press to the conipressor,

H -p-ress to -the compressor, means for trans- 'jinay be variously modified Within theskill l -ha'ving, in combination, a liee'l-press, a heel compressor controlled by the operation of the heel-press, a conveyor extending from the press to the compressor, means for transferring heels from the press tothe eonveyer, and means for transferring heels 'iirom "the 'conveyer to the compressor,

1'0. A machine for o-peratingupo'n heels having, in combination, a heehpr'ess, a heelcompressor controlled by the operation of and means under "the control "of the operatorand dependent "upon the supplying of a heelt'o the end of said series tor initiating each. 'cycle'of operations of the press and the compressor.

3, A machine for operating npon heels a fresh heel thereto, and means ior auto matically arresting theope'ra'tion of thecompressor Withthe compressing "instrumentali ression.

4. 'A machine for operating upon heels sively to a discharging station, a conveyer having, in combination, a heel-press for tivelyli'ght pressure 'during'the setting of the paste, and. means dependent upon the inold under. heavy pressure.

"5. A "machinefor "operating upon heels "having, in combination, a heel-compressor ties closed to hold the fresh heel under com-- i I holding freshly pasted heels underc'oinparwthe heel-press, a conveyer extending from the press to the compressor, andsneanshontrolled by the operation of the compressor for transferring heels from the press to the 'conveyer'and for transferring heels from the 'conveyer to the compressor.

11. A machine for operating upon heels having, in combination, a rotatable heelp'ress adapted to advance through a series of step-movements to bring heels successively to a discharging station, acompressor.

and means for transferringthe heels from the press to thecompre-ssor.

12; A machine for operating upon heels having, in combination, a rotatable heelpress adapted to advance through a-seriies of step-movements to bring heels succestor receiving the heels as they aredischarged from the press, and a compressor adapted to receive'the heels from the conveyer.

pressor adapted to perform one cycle of operations and automatically come to rest, means for transferring the heels fro-m the press to the compressor, and means rendered operative by the stepping of the press for initiating the operation of the compressor.

14:. A machine for operating upon heels having, in combination, a heel-press provided with a series of heel-clamps, means for intermittently advancing said clamps to bring them successively to a discharging station, a heel-compressor adapted to perform one cycle of operations and automatically come to rest, means rendered operative by the stepping of the press for initiating the operation of the compressor, and means controlled by the operation of the compressor for transferring heels from the press to the compressor.

15. A machine for operating upon heels having, in combination, a heel-press provided with a series of heel-clamping units each adapted to clamp a freshly pasted heel to hold it during the setting of the paste and subsequently release it to permit its removal from the press, a heel-compressor, means arranged to transfer the heels from the heel-clamping units to the compressor, and means arranged to move the heel-clamping units successively into registry with the transferring means.

16. A machine for operating upon heels having, in combination, a rotatable heelpress adapted to advance through a series of step-movements to bring heels successively to a discharging station, a heel-compressor adapted to be rendered operative by the stepping of the press and to perform one cycle of operations and automatically come to rest with a heel held under pressure therein, and means for transferring the heels from the press to the compressor.

17. A machine for operating upon heels having, in combination, a heel-press provided with heel-clamping units adapted to be opened and closed, a heel-compressor controlled by the press, a conveyer for carrying heels to the compressor, and a transferrer controlled by the compressor for seizing a heel in an open clamp of the press and depositing the heel upon the conveyer.

18. A machine having, in combination, two independently driven mechanisms loosely connected with their source of power for performing successive operations upon articles, a conveyer controlled by one of the mechanisms for carrying the articles operated upon from the first mechanism to the second mechanism, in a series of steps, means for controlling the operation of the second mechanism by the first mechanism to secure proper time relation of the two mechanisms with each other and with the conveyer, and a transfer device controlled by the second mechanism for transferring articles from the first mechanism to the conveyer in proper time relation to the advance of the conveyer.

19. A machine for operating upon heels having, in combination. a heel-press and a heel-compressor for performing successive operations upon heels, said press and compressor being independently driven and loosely connected with a source of power, a conveyer controlled by the compressor for carrying the heels from the press to the compressor in a series of step movements, means for controlling the operation of the compressor by the press to secure proper time relation of the conveyer and the compressor With the press, and transfer mechanism controlled by the compressor for transferring the heels from the press to the conveyer in proper time relation to the advance of the conveyer.

20. A machine for operating upon heels having, in combination, a heel-press, a heelcompressor having a reciprocating crosshead, the press and compressor being independently driven and loosely connected with a source of power and adapted to operate successively upon heels, a conveyer operated in steps by the reciprocations of the cross-head of the compressor, for carrying heels from the press to. the compressor,

means for controlling the operation of the compressor by the press to secure proper time relation of the conveyer and compressor with the press, and transfer machanism for transferring the heels from the press to the conveyor in proper time relation to the advance of the conveyer.

21. A machine for operating upon heels having, in combination, heel-molding instrumentalities normally held in' compressing relation, means for actuating said instru mentalities during the operation of the machine, means for advancing step-by-step a series of heels to be molded and for periodically supplying said heel-molding instrumentalities with a single heel, and means for arresting the operation of the machine with the heel-molding instrumentalities closed to hold the first heel of said series under pressure.

22. A machine for operating upon heels and adapted to perform a, single cycle of operations and come to rest having, in combination, normally closed heel-molding instrumentalities, means for actuating said instrumentalities during the operation of the machine, means for advancing step-bystep a series of heels to be molded and for periodically supplying saidheel-molding instrumentalities with a single heel, automatic means for arresting the operation of the machine with the heel-molding instrumentalities closed to hold the first heel of said series under pressure, and

means for starting the operation of the maing a clamping'device movable in the intervening space for gripping the heel by its lateral surface, constructed and arranged to close automatically upon the heel and be positively opened to release the heel.

36 Inaheel machine comprising two mechamsms arranged in series for performing successive operations on a heel, a trans- 9 cross-head is reciprocated at each cycle of once for each complete cycle of operations operations and blanks are brought to a pos1t1on for delivery to the machine by a' movable conveyer; mechanlsm to advance sa1d conveyer comprising a ratchet 'on the conveyer, a pawl for engaging said ratchet, a

lever carrymg sa1d pawl movable to give said pawl eflect, and connections between said lever and the movable cross-head of the machine operating to reciprocate said pawl of the machine.

38. In a machine of the type in which a -cross-head is reciprocated at each cycle of operations and blanks arebrought to a position for delivery to the machine by a mov- I able conveyer, means to advance sa1d conveyer comprising co-operating feed devices on the conveyer and carried by a moving part of the machine connected to operate said'devices.

'89. In a machine of the type in whicha cross-headis reciprocated at each cycle ofv operations and blanks are brought to a position for delivery to the machine by a movable conveyer, mechanism for actuating said conveyer; anda cam on the cross-head, of sa1d machine co-operatively connected with said means in a mannerto cause an advance of the conveyer ateach operation of the machine.

40. In a machine of the type in which a cross-head is reciprocated at each cycle'ot operations and blanks are broughtto a position for delivery to themachine by a movable conveyer, mechanism adapted to advance said conveyer step-by-step, including means connecting said mechanism withthe crosshead of the machine wherebythe conveyer advance is controlled by the operation of the machine; s

41. In a machine of the type in which a cross-head is. reciprocated at eachcycle of' operations and blanks are brought to a position for delivery to the machineby amov machine, and a canr able conveyer; mechanism to advance said conveyerstep-by-step comprising a ratchet and co-operating feed and locking pawls, and means controlled by the reciprocation of the cross-head of said machine forrendering said pawls effective in propertime relationto each other. I C

42. In a machine of the type in which a cross-head is reciprocated at each cycleof operations and blanks are brought to a position for delivery tothe machine by, a movable conveyer, mechanism to. advance said conveyer step-bystep' comprising a ratchet and'cO-operating feed and locking pawls, le-

vers for controlling the movement of said paWls into and outof engagement with said ratchet, and means controlled by the operation of the machine for actuating said levers. a y

43. In a machine of the type in which a cross-head is reciprocated at each cycle or operations and blanks are brought to a position for delivery to the machine by a movableconveyer, mechanism to advance said" conveyer step-bystep comprising a ratchet and cooperating feed and locking pawls, an operating lever for each pawl providedwith a cam roll and cam means on thecross-head for actuating said levers by engagement: ;,w1th sa1d rolls.

44. In a machine of the: type in vwhich a cross-head is reciprocated at each cycle of operations andblanks are brought to aposition for delivery to the machine by, ZLHIOV-T fable conveyer,mechan1sm for advancing sa1d conveyer,step-bystep controlled by therise of saidcross-head, and mechanism normally v locking said conveyer against advance rendered ineffective by said rise of the crosshead. U Y I a 45. In a machine of the type in which a cross-head is reciprocated at each cycle of operations and blanks are brought to apositionfordelivery to the machine by amov-i able conveyer, mechanism controlled bythe operation of the machine to advance the eonveyer step-b ytep, and means 'to lock the conveyer againstian advance movement during its periods of rest.

46. In a' machine of the type in which a cross-head is reciprocated at each cycle of operat1ons and blanks are brought to a position'for delivery tothe machine by a movable conveyer having an intermittent feed,

means to lock .theconveyer against an advance movement during its periods of rest, and mechanlsm controlled by the machine to I release the lock-and advance the conveyer one step at each cycle of operations of the? machine.

'EnAsTUs E. WI KLEY;