Патент USA US2133372код для вставки
Oct. 18, 1938. J_ M, BARTON 2,133,372 HEEL ATTACHING MACHINE Filed May 1'7, 1957 52' 2,133,372 Patented Oct. 18, 1938 UNITED‘ STATES PATENT OFFICE 2,133,372 HEEL-ATTACHING MACHINE ‘Joseph M. Barton, Athol, Mass, assignor to United Shoe Machinery Corporation, Paterson, N. J., a corporation of New Jersey Application May 17, 1937, Serial No. 143,035 13 ‘Claims. (01. 1-32) My invention relates to machines for attaching heels to shoes, it concerning more particularly the means for‘ presenting a heel-portion, as a top-lift, to a jacked shoe for attachment. In heeling shoes, it is sometimes desired to use bases or top-lifts which have. been prebreasted, or brought to a condition at the breast-surfaces at which only a ?nishing operation is required after attachment... This is advantageous because lift longitudinally of the shoe and, further, to turn the base with the shoe angularly, there being thus produced registration between the breasts of the base and the lift. The ?nal relation is de termined by a gaging surface upon the breast GI bar, in which the inclined surface terminates. The two work-contacting members of the holder are preferably both yieldable, as against the ac tion of springs, the spring for the breast-bar be it, avoids the danger of cutting the outsole during the breasting or of exposing a depression’ in the ing stronger. soleadjacent to the heel after the breast-cut has been made,thisv depression being caused by the duction of the heel-portion to the holder, while the yield of the breast-bar permits the registering pressure appliedin the heeler. to a sole in temper. ll When thus operating upon vprebreasted heels, it is not satisfactory to locate them intheir holders in the usual manner, by .contact of a ?xed fork with .therear surface in connection with an, oppo site, yieldable breast-bar. Differences in the 20 amountspreviously?taken from ‘the breasts will prevent accurate registration of the top-lift and base, Gonsequently, it is desirable to locate the heel-portions, by contact with thebreast, and for thisv purpose, the breast-bar is commonly ?xed upon its swing-plate or carrier, while the rear forkis yieldable; , , ~ . The yield of the rear member , against the lighter spring facilitates the intro action between the work-portions. As illus trated, theyield of the breast-bar is adjustably 15 limited by a connection between it and the car rier consisting of a series of openings in one and a cooperating separable pin in the other, there being clearance between the pin and the open ing which it occupies. ' 20 A particular embodiment of this invention is . illustrated in the accompanying drawing, Fig. 1 being a top plan view of my improved holding means for heel-portions; - - - Fig. 2, a vertical section showing a shoe with an attached base approachingv the spanking posi When a_,jacked shoe, to which a heel-base has been nailed, is brought intoengagement with a tion, and top-lift inits holderfor the spanking operation, III—III of Fig. 1. The invention appears as organized for appli 80 the breast-lines of the two heel-portions may be displaced from each other longitudinally of the v » Fig. 3, an enlarged sectional detail on the line shoe, evenwhen gaged .by the breast-bar. This tends to, defeat the purpose of the prebreasted No. 1,157,688, Glidden, October 26, 1915. Between heel. a jack l0 and a die-block ll carried by a cross head l2, a shoe S may be clamped for the base Furthenthe shoe may be turned slightly about the longitudinal axis of the jack, especially if a band-clamp.isnotemployed, so the breasts of the two heel-portions will be out .of registra tionangularly about such axis. It is an object of my invention to correct these conditions. For 40 this purpose, the heel-contacting member, as the breast-bar, which ,is employed to, determine the position of thetop-liftror other heel-portion, is arranged to move under the in?uence of the work, so it may thereby restore the‘, disturbed registra 45 tion longitudinally of the shoe. The member may also be. provided with means to change the posi tion of the work to'produce a further corrective action. As herein disclosed, the breast-bar of the top-lift-holder has a surface receiving contact of 50 the work, as of the breast-edge or corner of an attached base, this surface being inclined out wardly from the opposite member furnished by the rearfork. The-forces acting’ and reacting between thebase'and'breast-bar-surface will be 65 effective to position the bar and, with it, the top 30 cation to a heel-attaching machine such as that disclosed in Letters Patent of the United States nailing and top-lift-spanking operations. The pin [3 of the jack enters the hole in the last L within the shoe. This support gives some free dom of movement of the shoe both angularly about the-axis of the jack and longitudinally of 40 the shoe itself. A swing-plate or like carrier I4 is pivoted at IS on the crosshead for oscillation by connections l8 to present in operating posi tion above the die-block either a base-holder b or a top-lift-holder t. With the holder b, this 45 invention is not especially concerned. It is suf? cient to say that it receives and locates a heel base B, presenting it for attachment over the die block at the beginning of an operating cycle. The top-lift-holder t has a rear fork 26 pro- 50 vided with a shank 28 guided for reciprocation upon the plate M in ways 30 in a cover-plate 32. ‘ Opposite the fork is a breast-bar 34, the shank 36 of which is movable in ways 3‘! in the plate 32. The end of the bar opposite its shank may be 55 2 2,133,372 guided in ways upon the plate l4. At the upper edge of the breast-bar is a surface 38 inclined outwardly from the rear fork; that is, downwardly and inwardly toward a Vertical work-engaging surface 39 of the bar, in which it terminates. The fork 26 may be urged toward the breast-bar into its normal position by a spring 40, shown as of the torsion type and interposed between the angular end 4| of the shank 23 and a wall or 10 abutment 42 rising from the plate M. The spring is retained in place by a rod 44 projecting from the wall 42. On the inner end of this rod is threaded a nut 46, with which the portion 4| of the fork-shank may contact to adjustably limit 15 the movement of the fork under the in?uence of the spring 48. The breast-bar 34 is drawn to ward the fork by a tension-spring 48, joining the shank 36 near its outer extremity to some one of a series of openings 50 in the plate l4. By 20 changing the point of attachment of the spring to the plate, the tension of this spring may be varied. The force which it exerts to hold the 25 30 85 40 45 55 action, it moving with the bar under the in?uence of the fork 26 actuated by its spring 40. Before the ends of the nails protruding from the base reach the top-lift, the breast-edge of the base will have arrived at the gaging surface 39. This determines accurately the coincidence of the breast-edges of the two heel-portions, so that no trimming operation upon them will be required. Having described my invention, what I claim as new and desire to secure by Letters Patent of the 10 United States is: 1. In a heel-attaching machine, a movable shoe-support, a movable carrier co-operating therewith, and a holder for a heel-portion mount ed upon the carrier and having opposite members 15 for contact with the heel-portion, one of said members being arranged to move under the in fluence of the work on the movable support into registration with said work. 2. In a heel-attaching machine, a movable shoe-support, a movable carrier co-operating therewith, and a holder for a heel portion mount ed upon the carrier and having opposite members breast-bar against movement is greater than that which the spring 40 applies to the rear fork. ‘ for contact with the heel-portion, one of said This locates the bar in a de?nite normal position members being arranged to move under the in which adapts it to gage prebreasted heels. To ?uence of the work on the movable support and limit the movement of the breast-bar, its shank being provided with means for contact with the has a series of openings 52, through any one of work to change the position of said work. which may pass a headed pin 54 held in one of 3. In a heel-attaching machine, a movable two pairs of alined openings 56, 55 in the plates carrier, and a holder for a heel-portion mount— 14 and 32. The diameters of the openings 52 ed upon the carrier and having opposite mem and the pin 54 are such that there is a substan bers for contact with the heel-portion, one of tial clearance between them. This allows the the members being movable toward and from outer portion of the wall of one of the openings the other and said other member being arranged to be held against the pin by the spring 48, and to move under the in?uence of the Work in the the breast-bar to shift outwardly through the direction of such movement. space given by the clearance. By choosing dif 4. In a heel-attaching machine, a movable ferent combinations of the openings 52 and 56 to carrier, a holder for a heel-portion mounted receive the pin 54, the breast-bar may be located upon the carrier and having opposite members in the position with relation to the nailing'mech relatively movable to contact with the heel anism most advantageous for the work in hand. portion and clamp it between them, and a spring In using my improved top-lift-holder, the oper interposed between each member and the car ator, by selection of the openings 52 and 56 rier, one of the members being provided with through which the pin 54 passes and by the ad means with which the work contacts to cause justment of the nut 46, locates the breast-bar 34 such member to yield. and the fork 26 in the proper relation for the 5. In a heel-attaching, machine, a movable size of a top-lift T to be spanked during the sec carrier, a holder for a heel-portion mounted ond half of an operating cycle upon the nails N upon the carrier and having opposite members by which a base B has been attached to a jacked relatively movable to contact with the heel-por shoe S at the beginning of the cycle. The top tion and clamp it between them, and a spring lift is placed in the holder 15 by forcing back the interposed between each member and the car fork 26 by contact’ therewith of the rear of the rier to urge said members toward each other, lift and then allowing the spring 40 to carry the said springs acting upon the members with dif breast of the lift forward against the bar 34. ferent degrees of force, the member acted upon Because of the strength of the spring 48, the posi by the stronger spring being provided with tion of the bar is not disturbed. With correct means with which the work contacts to cause adjustments, the close of the nailing operation may ?nd the breast of the attached heel in sub stantially the correct relation to the breast of the 60 top-lift in the holder t. The operator may, how ever, have displaced the shoe with its base angu larly about the axis of the jack H), or the back— stop with which the shoe contacts may not re tain it in the desired longitudinal relation. Such 65 departures from the conditions which would cause registration between the breast of the top-lift and that of the prebreasted heel may be kept within limits such that the breast-edge of the de scending base or one of the breast-corners will 70 engage the inclined surface 38 of the bar. The reaction upon the base will produce a force which will urge the shoe and base rearwardly and turn them about the axis of the jack. Simultaneously, the breast-bar tends to yield under the applied force, so the top-lift will share in the registering 25 45 50 55 such member to yield. 6. In a heel-attaching machine, a swing-plate, and a holder for a heel-portion mounted thereon and including a heel-fork and a breast-bar, said 60 breast-bar being provided with a shank movable upon the plate, the work-contacting portion of the bar having a downwardly and inwardly in clined surface terminating in a work-gaging surface. ~ 65 7. In a heel-attaching machine, a jack upon which a shoe having an attached heel-base may move, and a top-lift-holder having associated with it means for causing a relative movement of the base and top-lift toward registration with 70 each other. 8. In a heel-attaching machine, a jack upon which a shoe having an attached heel-base may turn about the axis of the jack, and a top-lift- " 2,133,372 holder having associated with it means for turn ing the shoe about said axis. 9. In a heel-attaching machine, a jack for a Cl shoe having an attached heel-base, and a top lift-holder co-operating with the jack and in cluding a yieldable breast-bar having an in clined surface arranged to receive contact of the heel-base. 10. In a heel-attaching machine, a jack for a 10 shoe having an attached heel-base, and a top lift-holder co-operating with the jack and in cluding a yieldable breast-bar having an inclined surface arranged to receive contact of the heel base, said inclined surface terminating in a ver tical base-gaging surface. 11. The combination with a carrier provided with ways, of a holder for a heel-portion com prising a rear contact member and a breast contact member movable’ in the ways, said breast-contact member having an inclined sur face arranged to receive contact of a portion of the work, and a spring acting upon each mem ber to urge it toward the other. 12. The combination with a carrier, of a hold 3 er for a heel-portion comprising a rear contact member mounted upon the carrier, a breast-con tact member movable upon the carrier, and a spring exerting its force to urge the breast-con tact member toward the rear contact member, the carrier and breast-contact member being provided with an opening and a pin passing through the opening with clearance, such con nection limiting the movement of the breast contact member under the in?uence of the _; spring and allowing movement of said member under the influence of the work. 13. The combination with a carrier, of a hold er for a heel-portion comprising a rear contact member mounted upon the carrier, a breast contact member movable upon the carrier, and a spring exerting its force to urge the breast-con tact member toward the rear contact member, the breast member being provided with a series of openings and the carrier with a pin which may be positioned in any one of the openings with clearance to permit movement of the breast member upon the carrier. JOSEPH M. BARTON.