Патент USA US2378256код для вставки
June 12, 1945. I - w. A. TH-UM I 2,378,256 HEEL GLUING MACHINE ' Filed March 20, 1942 ' 26 7 "m7 7.5g ‘I ' . j Y 4 Sheets-Sheet 1 70 5? :I‘ ~ ‘ ~ , _ Wk 25A ‘. 35 Q. Ma June 12, 1945. W. A. THUM‘ 2,378,256 HEEL GLUING MACHINE Filed March 20, 1942 4 Sheets-Sheet 2 ’ :m .T9%, IM June 12, 1945. .w v w. A. 'THUM ‘ ’ I ' 2,378,256 HEEL GLUING MACHINE Filed March 20,- 1942 4 Sheets-Sheet 3 IN VEN 7/0 2,378,256 Patented June 12, 1945 - UNITED ' ' STATES ' ' PATENT OFFICE 2,378,256 ' HEEL GLUING MACHINE Walter A. Thum, St. Louis, Mo. Application March 20, 1942, Serial No. 435,533 (o1. 12—80) " Figure 5 is a fragmentary detail sectional view ‘ taken approximately along the line 5-5 of Fig My invention relates generally to shoe ma chinery and has more‘ particular reference to a machine for the application of glue to the cup ure 4; . . . Figure 6 is a side elevational view of the ma of a shoe-heel. ' The shoe heels which my invention is intended‘ to Work upon are made with a cup or hollowed being shown broken away and other parts in sec out portion to ?t the contour of the heel-seat * tion; chine with the housing in place, parts thereof Figure 7 is a sectional View taken approximate of the shoe to which the heel is to be glued in the ly along the line 1—1 of Figure 6, but showing process of making the shoe. This cup or recess, ‘ which ‘is relatively shallow, opens at full depth ' at the front or breast of the heel but thins out to the side and rear edges or are of the heel. Mak ing an effective junction of the heel with the-shoe, it: the several parts of the machine in positions cor responding to Figure 8; Figure '75L is a fragmentary view with the heel rest in its elevated position between the arms, said heel-rest being in horizontal alignment with it is desirable that the cup should be'glued uni formly over its central area, while leaving the .margin of the arc of the heel free of the glue for preventing extrusion of the glue in an unsightly manner when the heel and the shoe are clamped the bight of the grooves; , - Figure 8 is an enlarged fragmentary detailed sectional view, showing the carriage in lowered position with the closed end of the cup of a sup ported heel in glue-printing engagement with the tion has for one of its objects the provision of a 20 glue transfer roller, other parts of the machine together. With the foregoing in mind,'my'inven being broken away; ' machine for the application of glue to the cup of a shoe-heel, wherein a ?lm of the glue covers trating the heel with the masking and supporting the-central portion of the heel-cup, while leaving means looked around the periphery thereof ;~‘ a narrow band or margin of unglued surface around thetarc of the cup of the heel. , Figure 9 is a top plan view of the machine illus I a ‘ It will also be readily seen that a merewiping process for the gluing operationwis quite imprac Figure 10 is a side elevational view of the ma chine with the housingvin place and partly broken , away for disclosing the lock in retracted or re- ' leased position; and 1 ' ticable if such a glue-free'margin is to be main Figure 11 is a fragmental sectional View, illus tained around the arc of the heel, more especially along the rear side thereof. My invention, there 30.. trating the carriage during movement to its ele vated position. fore, has for a further object the provision of a Preliminary to a description of the machine, machine for the application of glue to the cup attention is directed to Figure 3, which, as will be of a shoe-heel wherein the side and rear margins understood by those skilled in the art, is an illus of the cup are masked, and the glue is printed, not wiped, through the mask onto the central un 35 tration, or top plan view, of the hollowed-out ' masked portion of the cup of the heel. cup at of a heel H. The rear side or closed end of the cup at is bounded by the raised lip or are e, f, g, of the heel H, while the front side or open end my invention resides in the new and novel fea of the cup a is bounded by a raised lip on merely tures of form, construction, arrangement, and combination of parts hereinafter described and 40 its two sides e, g, the hollow of the cup being out ' And with the above and other objects in view, more particularly pointed out in the claims. In the accompanying drawings (three " sheets), Figure 1 is a side elevational Viewvv of one form of a heel-gluing machine embodying my inven tion; ‘ > through the front face h of the heel. In accord ance with my invention, a ?lm of glue b is shown applied to the heel H in such a manner as to pro vide a glue-free margin 0 between the glue b- and 45 the are e, f, y. of the heel-cup a. ' ‘Figure 2 is an enlarged fragmentary detail view Referring now more in detail and by reference ‘ characters to the, drawings, which illustrate a preferred embodiment of my invention, the ma ure 9; ~ chine, generally. designated A, includes a base I‘ Figure 3-is a top plan view of a heel showing the heel-cup with a ?lm of glue applied thereto 50v mounted, as by clamps 2, on the respective hori zontal portions 3'of a pair of laterally spaced according to my inventionj floor'stands whose respective vertical members or Figure 4 is a top plan view of the machine, legs 4 have floor ?anges 5 for engaging a ?oor, the housing being removed and other partsbroken taken approximately ‘along the line 2—2 of Fig- ‘ away, the several parts being shown in normal 55 or initial heel-receptive position; as 6. ‘ ' ' A foot pedal 1 is fulcrumed, as at 8, on one of 2 2,378,256 the legs 4' of the stand, and has a link connec adjacent side wall of the rail 35 or 36, as the tion 9 with a crank |0 mounted on a shaft l| case may be, and biased by means of a suitable torsional member or spring 5| for causing the journaled in bearings |2 mounted on the horizon dog 49 to normally incline or depend obliquely tal portions‘ 3 of the stand. The shaft II is dis posed transversely in front of the machine A and 5 rearwardly through the slot 41 into engagement with the ?oor of the way 4|. Upstanding from carries a downwardly presented arm l3, from each of the rails 35, 36, is an ear 52 carrying a which is suspended a counterweight M, and an pintle 53, on which is swingably mounted an upwardly presented arm |5 to which is pivoted a other dog or ?ap-member 54 adapted to have link- or pitman l6 adapted normally to extend rearwardly from the arm l5 over the machine A. 10 its free end normally rest on the shelf 48 in sub stantial alignment with the rear margin of the Around the periphery of the base | of the ma slot 46. The ear 52' carries a lateral stop 55 chine A, is suitably seated a rubber sealing strip designed to limit the upward swing of the dog l1 adapted to be normally engaged in turn by 54, all as best seen in Figures 4 and 6. .the continuous bottom face, as N3, of the respec C designates a reciprocable carriage having a tive side and end walls of a machine housing or frame which includes laterally spaced side bars inverted box-like cover l9. Adjacent the bottom 56, 56', connected, preferably integrally, by a margin of the rear end wall of the cover I9, is rear cross-bar 51. Upstanding from the inner a lug 20 adapted for engagement by a hook 2| on margin of each side bar 56, 56’, is a rib 5B, and the base I, and adjacent the bottom margin of the front end wall of the cover I9, is another 20 mounted on the ribs 58 near the front of the carriage C, is a transverse bridge or cross-bar lug 22 adapted for engagement by a clamp 23 59. 1 Each side bar 56, 56', has a depending lug pivoted on the base I, whereby the cover |9 may I 66 adjacent its‘ front end; each lug 60 carries be compressibly, though removably_ mounted on an axle 6| on which is journaled a roller 62; at the base I in sealing engagement with the rubber its rear end, each side bar 56, 56’, also has a de strip H, as best seen in Figures 1 and‘ 7. 25, pending lug 63, and through the pair of lugs 63 In its top wall, the cover ,|9 is provided with extends a single axle 64, on the projecting ends an aperture 24, and around the aperture 24 is of which are journaled respective rollers 65. likewise suitably seated a rubber sealing strip 25 Each respective pair of rollers 62, 65, on a side adapted to be engaged by a lid 26 hingedly sup ported, as at 21, on the cover IS; the cover l9 30 of the carriage C is. adapted to work in the ad jacent Way 4|, whereby the carriage C is sup has a back-stop 28 which supports the lid 26 ported for longitudinal movement parallel with in its open position. Hinged on the frontal top and between the rails 35, 36. , side‘ of the cover I9, is a clamp 29 ‘for engaging . Attached, preferably integrally, to the center a lug (not shown) on the lid 26, whereby the same may be compressibly, though removably, 35 of the rear cross-bar 51 of the, carriage C is a pintle block 66, and upstanding from the cross engaged sealingly on the rubber strip 25 for clo bar 51min front of the pintle block 66 is a pair sure of the aperture 24 subsequent to removal or of spaced pintles 61. The pintles 61 swingably swinging back of the pitman l6, as occurs when support a pair‘of arcuate so-called clasping arms the machine is not in use. Preferably formed integrally with the machine, 40 68, the block 66 being suitably recessed to receive the hubs’ of the arms 68, a cover-plate 69 being base |, is a glue basin B having spaced parallel rempvably attached to the block 66 for retaining side walls 39 and end walls 3|. One of the side the arms 68 on the pintles 61. The free ends 10 walls has a spout 32 through which a supply of of the arms 68 extend forwardly into the space suitable liquid adhesive or glue 33 is introduced into the basin B when preparing the machine 45 between the carriage side bars 56, 56', each arm end 10 being provided on its inner face with a for use, as best seen in Figures 6 and '7. channel ‘I l, as best seen in Figure 7a. Mounted on each of the basin side walls 30, as A ?exible and elastic U-shaped member, here best seen in Figure 7, is a side frame 34, and, in inafter referred to as the work-support D, and turn, mounted on the side frames 34 are respec tive parallel channel-shaped side frames or rails 50 composed of resilient material,v as rubber or the like, has its respective free ends mounted in the 35, 36; the rail 35 only has on its upper ?ange or also respective channels ll of the clasping arms .side 31 a stop 38, as best seen in Figures 2 and 4, 68; the bight d’ of the work-support D is an for a purpose presently appearing. chored to the pintle block 66 by being engaged A front cross-member 39 connects the side rails 35, 36, and forms a front closure or stop 40 55 between a hook 12 on the block 66 and another hook 12' on the cover-plate 69, as best seen in for the respective channels or ways 4| of the Figure 8. As will presently more fully appear, said side frames 35, 36; also connecting the rear the bight d’ forms a so-called rear rest for dis ends of the side-rails 35, 36, is a cross member posing the work or heel H in a de?ned position 42 forming rear closure-stops 43 for the respec tive ways 4|. The member 42 carries a forwardly 60 on the carriage 0. Provided on the inside face of the member D projecting platform 44 located in a central po is a longitudinally continuous V-shaped groove 13 sition between the rails 35, 36, for a purpose adapted to receive the heel-edge or are e, f, g, presently appearing and as best seen in Fig of the heel H. The lower wall of the groove 13 ure 4. . Intermediate ‘its ends, the top ?ange 31 of 65 is formed by a coextensive rib or masking mem ber d, as best seen in Figures 7a and 7. As each of the respective side rails 35, 36, is pro will presently more fully appear, the member D vided with a slot or cut-out 45, and near its rear is adapted to embrace the are e, f, g, responsive end each flange 31 is provided with a pair of to heel-clasping movement of the arms 68, where spaced slots 46, 41, with a ?ange-portion or shelf '48 therebetween, all of said slots 45, 46, 41, 70 by the heel H is gripped or supported by and be tween the V-shaped walls of the groove 13, while communicating the top side of the ?ange 3‘! with concurrently therewith the rib d is extended in the way 4| therebelow. wardly from the arc of the heel so as to mask Mounted adjacent the forward margin of the the margin 0 of the heel-cup a. rearmost slot 41, is a swingable member or_dog 49 carried by a pintlev 50 fulcrumed through the 75 E designates a slide or wedge-operator,- which 3 2,878,256 includes ‘a cross-head ‘I4 disposed transversely sionally connected,‘ as by av spring II8, with the on and at the rear of, the carriage C, and a pair , lever I82;v The upper end of the latch-lever I8'I is provided with a detent III, as‘best seen in of spaced cams or'wedge-members ‘I5, attached to the'cIoss-head ‘I4 and projecting forwardly therefrom, one wedge ‘I5 being disposed on each side of the pintle-block 66, the inclined face of Figure ‘6. 5 . each wedge ‘I5 being opposed to one of the clasp-i ing arms“, ‘as best seen in Figure 4. ‘ - vA shaft H2, preferably journaled. in suitable bearings II3 formed in the joint between the re spective side rails 35, 36,‘ and the side frames 34, extends likewise transversely of the machine above and to the rear of the lever shaft I88. F Attached to' each wedge ‘I5 is a slipper-bar ‘I6, . which extends forwardly past the adjacent arm 10 designated a so-called heel-rest lifter, which in cludes two cranks II4, one adjacent to each of 68 for working in a guide or recess 'I'I formed the respective side rails 35, 36, and which are in the corresponding rib 58 of the carriage-frame, journaled on the shaft I I2, from which the cranks whereby the slide E is guided for'reciprocable 'II4 extend forwardly in the machine and are longitudinal movement relative to the clasping arms~68, for a purpose soon appearing, and as 15 connected by a cross-beam II5 parallel with the shaft II2.‘ Stop-brackets II6 extend inwardly best seen in Figures 4 and 7. , .-_ At each end of the cross-head ‘I4 is a depend ing ear ‘I8, to which is pivotally connected, as at ‘I8, one part 88 of a tension responsive member or‘ composite link 88—8I, of which the part 8| is 20 ‘ shiftable or extensible relatively to the part 88, although a suitable tensional member or spring 82 serves to normally bias the part 8| in retracted from the respective. side frames 34 and serve to support the beam I I5 when in its lowermost posi tion, but when the beam H5 is in itsinitial or upper position, it ‘is engaged with the detent II I, whereby the lifter F is releasably supported in such position by the latch-lever I81. Upstanding from each crank I I4, is an arm I I1 carrying at its upper end a lateral pin I I8 adapted position relative to the part 88. ‘ , Each ,link 88—8I extends forwardly on the 25 to work in a way II8 extending longitudinally on the under side of the adjacent one of the carriage C alongside a corresponding one of the ribs 58 and has pivotal connection, as at 83, with respective arms 84, 84', located at opposite carriage side bars 56, ‘56', the ways H9 being open at their forward ends for ease in mounting the carriage C in 'the machine. ends of a, crank-shaft 85 journalled in suitable Upstanding from the beam I I5, is a yoke I28 of bearings 86' on the bridge-piece 59 of the car 30 an inverted U-shape, the horizontal portion or riage C, the crank-shaft 85 having a crank 81 bight of the yoke I28 forming a guide rod for a intermediate the bearings 85, which crank 81 is pair of opposingly slidable wedge-shaped mem normally disposed in an approximately. vertical , position relative to the carriage C, as best seen in Figure 6. ' _ ~ The crank 81 is adapted to be removably en bers or so-calledfront heel-rests I2I, the small. 35 ends thereof being opposed one to another on the yoke I28. At its outer end, each heel-rest I2I is provided with'an inverted .U -shaped extension or apron I2I' which serves to shield the yoke I28 head 89 of the pitman I6; a keeper-plate 98 is from glue and thus avoid obstructions to free removably attached to the head 89 as by a cap ' screw 9| for retaining the crank 81 in the notch 40 movement vof the rests I2I thereon. By means of an interposed spring I22, the rests I2I are 88. A post 92, upstanding from the front end of suitably biased so as to follow the clasping arms the carriage C, serves as a support for the pit 68 in their swinging movement, stops I23 serving man-head 89, when the latter is in its normal to limit the outward travel of the heel-rests I2 I, position, as best seen in Figure 6. as best'seen in Figures '7 and 7a. , ‘Projecting laterally from the front end of the gaged in a groove 88 provided in the free end or - rib 58 of the side bar 56 of the carriage C is a ' _Mounted on the shaft H2, is a glue-transfer or printing roll I24 of sponge-rubber or the like. ’lug.93. Slidable on the side bar 56 in the rear The position, of the printing roll I24 in the ma , of the lug 93, and normally disposed in the path chine bears a de?nite relationship to the refer-. of swingable movement of the adjacent crank arm, as 84, is a latch-head 94 having a stem 95 50 ence point d’ of the carriage ‘C when the latter is in its initial position, which relationship will slidably mounted in a bore 86 in the lug 93 with more particularly be presently pointed out. It a tensional member or spring 91 mounted on the stem 95'between the lug 93 and the head 94 for ' su?ices here merely to say that the roll I 24 is normally yieldingly biasing thehead 94 in, spaced relation to the lug 93, a retainer, as at 98, being provided for preventing the escape of the stem'95 from the bore 96‘.- On the latch-head 94, is an ear 98 projecting over the adjacent side rail 35 and adapted, on rearward movement from initial preferably spherical in shape, is very elastic, and has the property of carrying a ?lm of glue on its peripheral surface. ' The roll I24 is secured at its opposite ends to respective hubs I25 mounted on and secured to the shaft II2. Each hub I25 is equipped with position of the carriage C, to engage the stop 38 60 a ratchet-wheel or gear I26. Adjacent each hub on the rail 35, for a purpose later appearing, all as will best be understood from Figures 2 and 4. Pivotally mounted, as at I88, on a shaft I8I I25, is a gear I21 journaled on the shaft H2 and carrying a pawl I28, biased by a spring I29, for co-operating with its adjacent ratchet wheel extending ‘between and supported by the main I26, as best seen in Figures 7 and 8. frame side-members 34, is a lever I82 having a 65 Each gear I21 has toothed cooperation with laterally and upwardly extended arm I83 carry~ a rack I38 located in a channel or recess I3I ing a, toe I84 disposed normally above the car formed in the under side of the adjacent rib 58 riage side bar 56', so as to be in the path of swing of the corresponding side-bar56 or 56', as the ing movement of the adjacent crank-arm, as 84’. case may be, of the carriage C. Each rack I38 A rod or link I 85, attached to the lever I82, has 70 is swingably mounted at its forward end on a pivotal connection, as at I86, with a latch-lever pin I32 mounted ‘in the rib-walls, and the free I81 fulcrumed at its lower end on a shaft I88 or rearward end of the rack I38 is biased upon vwhich extends transversely of the machine be its co-operating gear I21 by means of a tensional tween the side frames 34. An arm I89 of the mengber or leaf-spring I 33, as best seen in Fig lever I8] depends below the shaft I88 and is ten 75 ure .3 . . I 4 2,378,256? The shaft H2 is extended at each end-through the respective bearings II3. On one so-extended pitman head 89, engaged with the crank 81, has end of the shaft I I2 is secured a gear I34, which turns with the shaft H2 and has co-operation swung about the shaft 85 as a center and landed on the rest.92, the rotation of the shaft 85 mean while having disposed the arms 84 at their rear with a subjacent gear I35 secured to one end of a shaft I 36 extending transversely between }ward swung position and having thereby, through the respective combination-links 80—8I, the glue basin side walls 30 and journaled in moved the cross-head ‘I4 and its attached wedges "I5 to corresponding rearward position, so that the latter are thereby disengaged from the clasp suitable bearings I31 respectively provided in the joint between the respective side basin wall 30 and the side frame walls 34. _ ing arms 68. I On the shaft I36 is secured a glue-feeder roll 'Likewise, the elevated position of the beam II5 of the lifter F has disposed its carried yoke I38 of suitable material adapted to turn with I20 immediately under the clasping arms 68 the shaft I36; the roll I38 is in registration with, (notwithstanding that the carriage is at- this and has a contour complementary to, the print ing roll I24 for feeding the glue 33 from the glue 15 time also in lifted position), so that the heel rests I2I are disposed between the clasping arms basin B to the surface of the printing roll I24; 08 with the topmost part of the heel-rests I2I in the gears I34, I35, are preferably selected so horizontal alignment with the work-support d of as to drive the rolls I24, I38, at the same periph the masking member D. The masking member eral speed. At the other extended end of the shaft H2 is ‘20. D, it may here be said, has sufficient elastic or tensional bias for moreover swinging the clasping a gear I39, which also turns with the shaft H2 arms 58 to wide-apart or so-called heel-receptive and has co-operation with a gear I40 secured to one end of a shaft I4I which extends trans versely between, and likewise freely ‘through apertures I42 provided for the purposes in, the ' side frames 34, as best seen in Figure 7. position, as shown in Figures 4 and 7". Here it may be said that the particular position of the glue transfer or printing roll !24 ,relative to the carriage C is such that, when the carriage C is in its above-described lifted position, the plane of the work-support dis spaced substantial ly above the top of the printing roll I24, but with the reference point d’ located rearwardly a suit able distance from, that is to say, approximately half of a radius of, the axis of the roll I24. It may \be also pointed out that, notwithstanding free end of each arm I44 has an eye I46v through the elevated position. of the carriage C, the racks which works the shank of a thumb-screw or bolt I41 adjustably threaded through a bracket I48 :0 (a I30, pivoting about the pins I32 under bias of the springs I33, continue to have functional en projecting from the adjacent side frame 34. The gagement with the respective gears I21. threaded portion of the bolt I4‘! ends in a shoul The respective extreme ends of the shaft I4I are journaled in bearings. I43 provided in also respective side arms I44 of a yoke I44’, each arm I44 being swingably mounted, as at I45, on the correspondingly adjacent extreme end of the shaft II2,»as best seen in Figures 7 and 8. The The above‘ description of the normal or in itial position of the machine will best be‘under I46. The shank of the bolt I47 is also threaded and carries a nut I50; a spring I5I is interposed 40 stood by an examination of Figures 1, 4, and 6. Proceeding now to a description of the use of between the nut I50 and the eye I46 for tension the machine of my invention, as a ?rst step the ally biasing the same against the shoulder I49, operator mounts the heel H in inverted position as best seen in Figure 6. 1 in the machine by placing the rear edge I of the Secured to the shaft I4:I for rotation there 45 heel on the reference point d’ of the work-sup with, is a wiper roll I52 which is located in reg port d; next the operator places the heel side istration with, and has‘ a contour complementary edges e, g, on the respective heel-rests MI, and to, the‘feeder roll I38, the respective gears I39, then steps on the foot pedal ‘I. The downward I40, being proportioned to drive the rolls I38, stroke of the pedal ‘I effects a rearward stroke I52, at about the same peripheral speed. By der I49 which bears on one side of the lever eye‘ suitably adjusting the respective bolts I41, how ever, the periphery of the Wiper roll‘ I52 may be spaced suitably from the periphery of the feeder roll I38 for predetermining thev thickness of the film of glue on- the latter and thus, in turn, reg ulating the quantity of glue fed from the roll ' I38 to the transfer roll I24, as best understood of the pitman IE, but since the carriage C, being blocked by the dogs 54, cannot for the moment be moved, the pitman I6 rotates the shaft 85 through the crank 81, meanwhile departing from the rest 82; the rotation of the shaft 85 swings the arms 84, 84', forwardly, whereby, through the respective composite links 80-8}, the cross-head ‘I4 and its carried wedges ‘I5 are shifted also for wardly until the wedges ‘I5 are engaged with the In its normal or initial position, as shown in‘ respective clasping arms 58. Continued forward Figures 4 and 8, the carriage C is disposed with (ii) movement of the wedges ‘I5 then causes the arms its front rollers 62 abutting the forward stops 63 to swing or approach one toward the other, the 40 of the ways 4| in the side frame rails 35, 38; ends 10 thereof likewise shifting the heel-rests the pins I I8 of the heel-rest lifter F are engaged I2I, which pass under the respective heel edges in the grooves I IE!- on the under side of the car e, 9, thereby lifting the same into ‘horizontal riage C, and the beam H5 is engaged in the from Figure 8. ~ ‘ alignment with the groove ‘I3. Upon further movement of the wedges 15, the arms 58 function to cause the member D to engage upon and fully tilted upwardly toward the rear with the back embrace the heel are e, Lg, so that, as the mask rollers 65 suspended at the‘ level of the top flanges ing rib d passes under the heel edges e, j, g, the 31 of the side rails 35, 38, in registration. with 70 peripheral margin of the heel cup 0/. is masked the notches 46 andv immediately in front of the a predetermined distance, as c, de?ned by the upper dogs 54. . width of the upper face of the masking member 'Also, the foot pedal '1 being free, the counter d, that is to say, the lower wall of the groove ‘I3. detent III of the latch-lever I01, whereby the carriage C, pivoting on the frontrollers 62, is weight I4 has pulled the lever I5 and its pitman I6 to forward or retracted position. whereby the Meanwhile, the heel-edge e, f, g, is engaged be tween the V-shaped walls of the groove 13, 5 2,878,256 whereby the ‘heel H is locked in'place and sup: ported securely on, and for movement with, the carriage C. -_ ' - ward stroke, whereby the roll I24 is caused to again present a glue-carrying surface on its upper side in preparation for the next heel-gluing cycle I of operation of_ the machine. > 6 ‘During this glue-printing operation, however, The heel I-I having been thus looked, as it may be said, on the carriage C, the springs 82- yield for permitting elongation of the respective com posite links 80--8I as the rotation of the shaft 85 swings the arms 84, 84', toward their respective forward positions. Meanwhile, ' the latch the masking member D prevents the contact of ' the roll I24 with the edge e, f, g, and margin 0 of the'heel-cup a. Such portions of the heel-cup a, therefore, remain free of glue, in accordance with my invention. Likewise, and in further ac“ cordance with my invention, the ?lm of glue 2), 94 yields to engagement by the end of the adjacent link-part 8| that is attached to the arm 84 ‘until, when the latter has swung the part 8| upwardly so transferred or printed on the heel-cup a, is su?iciently for the purpose, the latch 94 slips of uniform thickness, which is accomplished as under the part 8| and latches the same, and the crank-shaft 85 in completely rotated-?nal posi tion, whereby the arms 68 are tensionally biased upon the heel H, as best seen in Figure 2. follows, 15 ‘ ' As the transfer‘ roll I24 is revolved, the feeder roll I 38 and wiper roll I52 are driven in unison with the roll. I24 through the respective gear As the shaft 85 approaches its said ?nal posi tion, the end of the adjacent link-part BI that trains I34—,I35 and I39—I4Il. 'The underside ' of the feeder roll I 38 is immersedv in the body ' is attached to the arm 84’ engages the toe I04 20 of glue 33, a portion of which attaches itself to the roll I38.‘ The rotation of the roll I38 is from .its under side toward'the'wiper roll MI. The and swings the lever I02, .and thus, in turn, through the rod I05, trips the latch lever I01 for releasing the detent III from the carriage" lifter wiper roll I52'is driven in the opposite direction vto the roll I38 and is spaced therefrom a suitable F, thereby permitting’ the carriage C to drop from its lifted position; in so doing, the carriage ' distance (too small to be observed" in the draw ings). The resulting wiping action‘ is to allow merely a predetermined but uniform thickness C tilts or pivots on the front rollers 62 as the-rear rollers 65 descend throughv the slots 46 onto the or ?lm of glue to remain. on the upper side of the floor .of the respective-ways 4|; meanwhile, the , pins H8, working in the grooves H9, permit the roll I38. Theexcess glue removed by the wiper, heel-rest lifter F to descend by gravity until the 30 roll I52 is returned to ‘the glue body 33. The feeder roll l38andtransfer roll I 24 are driven ‘ beam I I5 rests on the stops I I6, whereby the’heel at the same peripheral speed,and since they are rests‘ I2I are substantially lowered below the tangentially engaged, the ?lm of'glue on the roll , tangential plane of the roller I 24, all as best I 38 is transferred to the periphery of the roll seen in Figures 7 and 8. . As the carriage C tilts to its lowered position. 35 I24 and thence .to the heeLcup a with the same uniformity and thickness as determined by the the arm-ends ‘III, the anchor ‘I2, and'the curved masking member D all sink into ‘the elastic body setting of the wiper roll I52; ' Y e surface of the closed end of the heel cup a. rollers 85 to‘ pass'and then ‘drop down again, for purposes presently more fully appearing. The stationary stop- 38 is so'positionedlon the rail'35 ' As the carriage C continues its rearward move of the roll I24, while between these several mem ment, the ‘rear rollers 85 pass under the respec bers the roll I24 protrudes upwardly into ?attened engagement with more -or less of the concave 40 tive dogs 49, which swing up freely to permit the" As will presently more fully appear, the periphery of the'ro'll I24 is covered with a ?lm of glue, and the glue which is on that portion of the periphery of the roll I24 which comes‘ into contact with the heel-cup a, is adherently transferred thereto from the roll I24. I ’ as to engage the latch-head 94 as the carriage C 45 as a result of the latch-head ‘isheldback as the carriage C moves to the ?nal limit of its rearward travel. As will be seen ‘by reference to Figure‘ 2, ' It will be observed that up to this time the hori zontal motion of the carriage C has been delayed, due to the concurrent lost motion between the this has the effect of unlatching the link-part 8! M carriage and the pitman I6 occasioned by the rotation of the shaft 85. But‘ when the shaft 85 is locked in ?nal rotated position on the carriage C, Figure 2, the latter, guided in the ways 4| and impelled by the pitman I6, now commences its movement toward the rear of the machine. In so doing, the racks I 30 revolve the gears I21, which, inturn, through the pawls I28 and ratchet wheels , I 26, rotate the shaft I I2 and likewise the transfer approaches the end of its rearward movement and 55 that is attached to the arm 84; Because the‘foot pedal 1 is at such moment still being depressed, the pitman I6 will still'be urged rearwardly and the arm 84, togetherwith- the associated links 8|, will still be held upwardly in the position in which they were then latched, with the result that the heel H will still be clamped in place. e.‘ As the operator undertakes-torelease the‘ pedal 1', however, the heel H is manually grasped and held so that it can be lifted out of the machine immediately upon being released. Thereupon, roll I24, which latter, it may here be said, has when the voperator releases the pedal 1. the pit by this means, a peripheralspeed substantially man I6 begins to return to its initial position un equal to the rearward velocity of the carriage C der the impulse of the counter-weight I4. During and its supported heel 1-1. As the roll I 24 is thus the initial stage of this return movement, ‘how ' revolved, additional glue-covered periphery of the roll I24 is presented to the surface of- the heele 65 ever,‘ the arms 84, being unlatched, Will swing downwardly and the associated linkscwill shift cup a, and at the same time the rearward trans longitudinally rearwardly ‘under the in?uence'of lation of the heel H relative'to the axis of the the springs 82, thereby’introducing at the begin roll I 24 presents additional heel~cupvsurface to ning of the return stroke ‘an initial amount of the roll I24, whereby the central portion of the heel-cup a is printed, as mayv be said, with a ?lm 70 lost motion between the pitman I6 and the car riage C; the return movement of the latter being of glue b. This glue-transferring operation is delayed While the pitman I6 concurrently r0; accomplished‘during the approximately ?rst half tates the shaft 85 to its initial position relatively of the‘ rearward stroke of the carriage C. The to the carriage C. ‘This motion, through the links revolution of the roll I24 continues, however, un til, the carriage C arrives at the end of its rear 745 80, 8|, and cross-head ‘I4, releases the wedges ‘l5 6 I 2,378,256 from the clasping arms 68, which are, in turn, under elastic bias of the member D, released from the heel H and shifted apart, thus permitting the operator to remove the heel H from the machine. When the crank 85 has resumed its initial posi tion on the carriage C, the pitman l6 acts to shift the carriage C forwardly. During the in itial stage of the return movement of the car riage C, the rollers 65 ride up on the dogs 49 and upwardly and forwardly swung position, station ary stop-means for engaging the crank-latching means during swing of the crank for unlatching the carriage, means responsive to movement of the carriage and thereby unlatching the crank, and means for restoring the carriage to elevated latched position, 5. In a heel-gluing machine, the combination, with a shiftable carriage, of clasping arms actu the rearward end of the carriage C is elevated to it) able for engaging a heel on the carriage, recip rocable actuating means for motivating the car initial position. As the rollers come up, they riage, and a lost motion device between the actu_ strike the under side of the dogs 54, which swing freely upwardly, and then drop down behind the . ating means and the carriage operable for con— currently engaging said arms on a heel while rollers 65 into initial stop-forming position as the delaying motion of the carriage during initiation carriage C reaches the end of its return stroke. of the stroke of the actuating means, and for The co-operation of the several instrumentali concurrently releasing said arms from the heel ties hereinbefore described impart, as will be while‘ delaying motion of the carriage at the seen, a de?ned path of motion to the carriage C. termination of the stroke of the actuating means. It being borne in mind that the heel H is sup 6. In a heel-gluing machine, the combination, ported on the carriage C so as to position the 20 with a shiftable carriage, of clasping arms actu concave closed end of the heel-cup a in registra able for engaging a heel on the carriage, recip tion with the convex periphery of the roller I24, rocable actuating means for motivating the the motion of the carriage C is then such as to, carriage, and a lost motion device between the in the ?rst instance, tilt the carriage from its actuating means and the carriage operable for ' elevated initial position to a lowered position so concurrently engaging said arms on a heel while as to bring the closed end of the cup a into glue delaying motion of the carriage during initiation of the stroke of the actuating means, and for I24, then to rollably engage the open end Of the concurrently releasing said arms from the heel cup a upon the roller I24, and ?nally to return the carriage to its initial position in an elevated 30 while delaying motion of the carriage at the path disposed substantially above the tangential termination of the stroke of the actuating means, said lost motion device including means for re plane of the roller I24, in such manner as to straining motion of the carriage pending en wholly avoid any wiping or sliding engagement of gagement of said arms on the heel. the carriage and its supported work with the '7. In a heel-gluing machine, in combination, roller. a glue-transfer roller, a tiltable carriage shiftable It will be seen that my invention accomplishes alternately in respective raised and lowered posi its intended purposes, and it will be understood that changes and modi?cations may be made in tions, means responsive to movement of the car riage in raised position for latching the same in the details of form, construction, arrangement, said position, means including heel-clasping and combination of parts hereinbefore described without departing from the nature of ‘my inven members actuable for supporting a heel on the tion and the scope of the appended claims. carriage, means responsiveto actuation of said clasping members for latching said members in Having thus described my invention, what I heel-clasping position, means also responsive to claim and desire to secure by Letters Patent is, 1. In a heel-gluingmachine, in combination, a 45 actuation of said members for unlatching the glue-transfer roller, and heel-supporting means carriage from raised position, said glue-transfer including a carriage tiltable from raised to low- ‘ roller being adapted for engaging said heel when ered position in the plane of the roller for engag the carriage is shifted in lowered position, means printing engagement with the stationary roller ing the same with a supported heel. 2. In a heel-gluing machine, in combination, a glue-transfer roller, heel-supporting means in cluding a carriage tiltable from raised to lowered position in the plane of the roller for engaging the same ‘with a supported heel, and means for latching the carriage in raised position. I responsive to terminal movement of the carriage in lowered position for unlatching said clasp ing members, and means responsive to initial movement of the carriage in alternate direction for lifting the same to raised position. ‘8. In a machine for applying glue to the con 55 cave surface of the cup of a heel, in combina 3. In a heel-gluing machine, in combination, a glue-transfer roller, ‘a carriage tiltable from ele vated to lowered position in the plane of the roller, heel-clasping members actuable ‘for sup porting a heel on the carriage, means for nor mally latching the carriage in elevated position, and means responsive to heel-clasping actuation of said members for unlatching the carriage from tion, a glue-transfer roller, a reciprocable car riage tiltable from elevated to lowered position in the plane of the roller, means for positioning a heel on the elevated carriage with the concavity of the heel-cup in registration with the convex surface of the roller, means for tilting the car riage to lowered position for engaging the closed end of the heel with the roller, and means for moving said carriage in lowered position for ef 4. In a heel-gluing machine, in combination, 65 fecting rolling engagement of the open end of elevated position. _ a glue-transfer roller, a carriage tiltable from said heel with the roller. elevated to lowered position in the plane of the 9. In a heel-gluing machine, in combination, roller, said carriage being adapted when in means for applying glue to the cup of a heel, such lowered position to slide rearwardly, heel reciprocable means including a member movable clasping members actuable for securing a heel 70 for positioning the heel with respect to the glue on the carriage, means for normally latching applying means, said member having a groove the carriage in elevated position, actuating for receiving the arc of said heel, means for means for said clasping members including a guiding the arc of the heel into said groove crank swingable upwardly and forwardly on the responsive to heel-positioning movement of said carriage, means for latching the crank in such 75 member, and means responsive to movement of ‘2,378,256 the carriage for removing said guiding means from the path of the carriage. 10. In a heel-gluing machine, in combination, means for masking the peripheral portion of the cup of a heel, gluing means, and means for shift 7 front rest engaging the heel at a point on its pe riphery opposite its breast and comprising a cush ion-member having extensions for engaging the periphery of the heel intermediate its breast and said point of support, means including pivotally ' ing the masked heel crosswise over the gluing ‘ actuable arms for engaging the cushion-member means for applying a ?lm of glue to an‘exposed portion of the cup of the heel. 11. In a heel-gluing machine, in combination, extensions with the heel for masking the pe means including a cushion-member for‘ gripping heel over said glue-applying means, and means ripheral portion of the cup thereof, means for swinging the rear rest out of‘engagement with means for gripping a heel at its periphery and the heel when said cushion-member is. in cup concurrently masking the marginal portion of masking position, and means for applying a ?lm the cup of the heel, gluing means, and means of glue to an exposed portion of vthe cup of the for shifting the gripped and masked heel cross heel following swinging of said rear rest. wise over the gluing means for applying a ?lm . 18. In a heel-gluing machine, in combination, of glue to an exposed portion of the cup of the 15 glue-applying means, means for masking the pe heel. ripheral portion of the cup of a‘heel, said masking means including a carriage for supporting the 12. In a heel-gluing machine, in combination, a heel at the periphery thereof and concurrently for actuating the carriage crosswise over the glue by said cushion-member masking the marginal 20 applying means for engaging the masked heel portion of‘the cup of the heel, gluing means, and with the glue-applying means. means for shifting the gripped'and masked heel 19. In a heel-gluing machine, incombination, crosswise over the gluing means forapplying a ?lm of glue to an exposed portion of the cup of means including a glue-applying roll, means for masking the peripheral portion of the cup of a 25 heel, said masking means including a carriage the heel. ' 13. In a heel-gluing machine, in combination, for supporting the heel over said rollfand means means including a cushion-member having a for actuating the carriage for engaging the groove in its inner face for gripping a heel at masked heel with the roll and for Shifting the heel its periphery and concurrently I disposing the while in engagement with the roll for application cushion-member in ‘heel engagement at its said of glue to the exposed portion of its cup. groove for masking the marginal portion of the 20. In a heel-gluing machine, in combination, cup of the heel, and means for applying a ?lm means including a glue-applying roll, means for of glue to an exposed portion of the cup of the masking the peripheral portion of the cup of a heel, said masking means including a carriage for 14. In a heel-gluing machine, in combination, 35 supporting the heel for movement over and rela means including a cushion-member for support tively to the roll, and means for actuating the ingly engaging a shoe heel at a point upon its carriage for ?rst engaging the heel at the arc of periphery opposite its breast and having exten its cup with the ‘roll and then shifting the heel sions for engaging the periphery of the heel in relatively to the roll for application of glue to an termediate its breast and said point of support exposed portion of the cup of the heel. , engagement, means for engaging said cushion 21. In a heel-gluing machine, in combination, member-extensions with the heel for masking the means including a glue-applying roll, a shiftable peripheral portion of the cup thereof, and means carriage, means mounted on and movable with for applying a ?lm of glue to an exposed portion the carriage for both removably securing the-heel of the cup of the heel. , ’ to the carriage andi'for masking the marginal 15. In a heel-gluing machine, in combination, portion of its cup, means for actuating the car means including a cushion-member for support riage for ?rst engaging the heel at the arc of its ingly engaging a shoe heel at‘ a point upon, its cup with‘ the roll'and then shifting the heel rela periphery opposite its breast and having exten tively to the roll for application of glue to an sions for engaging the periphery of the heel in exposed portion of the cup of the heel, and means termediate its breast and said point of support for releasing said securing means for removal of ing-engagement, means including a pair of swing the heel. ' able companion arms for engaging said cushion 22. In a ‘heel-gluing machine, in combination, member-extensions with the heel-for masking the means including a cushion-member for engaging peripheral portion of the cup thereof, and means respective shoe-heels of diiferent sizes at a point for applying a ?lm of glue to an exposed portion upon its periphery opposite the breast and hav of the cup of the heel. ing extensions for engaging the periphery of the 16. In a heel-gluing machine, in combination, heel intermediate its breast and said point of sup means including a cushion-member for support port, means including companion arms for yield: heel. ' > ingly engaging a shoe heel at a point upon its periphery opposite its breast and having exten sions for engaging the periphery of the heel in termediate its breast and said point of support ingly engaging said cushion-member-extensions with the selected heel for masking the periph eral portion of the cup thereof, means for yield ingly actuating the arms into masking position, engagement, means including a pair of pivotally and means for-applying a ?lm of glue to an ex~ swingable companion arms and shiftable Wedge 65 posed portion of the cup of the particular heel. members for swinging the arms with the cushion 23. In a heel-gluing machine, in combination, member-extensions attached thereto for engaging ' means including a cushion-member for engaging with the heel for masking the peripheral portion a shoe-heel at a point upon its periphery oppo of the cup thereof, and means for applying a ?lm site the breast and having extensions for engag of glue to an exposed portion of the cup of 'the 70 ing the periphery of the heel intermediate its heel. I breast and said point of support, means includ 17. In a heel-gluing machine, in combination, ing companion swingable arms for yieldingly en gaging said cushion-member-extensions with the inverted position with its cup presented down» heel for masking the peripheral portion of the cup Wardly, the rear rest being swingable and the 75 thereof, means for yieldingly actuating the arms front and rear rests for supporting a heel in an 8 2,378,256 the carriage, and means for swinging the carriage for ?rst engaging the heel at its cup with the roll er and then shifting the heel relatively to, and ‘with its cup in engagement with, the roller. 26. In a heel-gluing machine, in combination, a ‘glue-transfer roller, a reciprocable carriage, into masking position, means for latching said arms in heel masking engagement, and means for applying a ?lm of glue to the cup of the engaged heel. ‘ ‘ 24. In a machine for applying glue to the con cave face of the cup of a heel, in combination, means for securing a. heel in inverted position on the carriage, means for swinging the carriage for ?rst engaging the heel at its cup with the a glue-transfer member having ‘a convex sur face, means for positioning a heel with the con cavity of the heel-cup in registration with the convex surface of the transfer member, and means for shifting the heel-cup relatively to the transfer member. 25. In a heel-gluing machine, in combination, a glue-transfer roller, a reciprocable carriage, V10 means for securing a heel in inverted position on 15' roller'and then shifting the heel relatively to, and with its cup in engagement with, the roller, and means for revolving the roller in synchro nism with movement of the carriage. WALTER A. THUM.