Патент USA US2406569код для вставки
Patented Aug. 27, 1946 .2,406,569v UNETED STATES’PATENT carica 2,406,569 RUBBER HEEL Morris L. Silverstein, Dorchester, Mass. Application June 14, 1944, serial No. 540,193 1 Claim. (Cl. 36-35) 1 2 This invention relates to improvements in rub ber heels, and the principal purpose of the inven tion is to provide a heel of rubber, rubber com outer edge of the collar with the thumb and fin gers and twisting it so that the surfaces consti- Y tuting the beveledjoint between the collar and position or other resilient materials having a the body part are engaged or disengaged with a removable collar or rim portion which receives sliding or wiping action. A collar thus engaged most of the wear and which may be readily re placed to renew the margin of the tread surface, at a minimum of expense and without the neces will be retained in place during normal Wear of the heel, andthe special interlocking or anchor sity of nails, screws, or other special fastening elements for the removable collar. A further object of the invention is to equip ¿the removable collar and body parts of the improved heel with cooperative locking elements which hold the col lar in place yet permit its ready removal by man e ing elements of the two part heel, which are en- -, gaged or disengaged by movement in a direction parallel to the tread surface of the heel, will ob viate the likelihood of disengagement or separa tion under even unusual conditions. ' It will be appreciated, of course, that the ex terior or peripheral edge of a rubber heel is the ual manipulation. 15 ñrst to show the effects of wear, and that the A recommended embodiment of the invention detachable collar of my improved heel is intend is shown for the purpose of illustration in the ed to be removed as soon as wear becomes notice accompanying drawing, in which: , able and replaced by a fresh collar, the collar Fig. 1 is a bottom View of the improved heel, parts being separately manufactured and sold in shown as applied to a shoe bottom; 20 regular sizes to fit the complemental body parts._ Fig. 2 is a view of the body portion of the heel It will be understood that the size and shape of with the separable collar removed therefrom; the improved heel may be varied to suit the size and i and style of the shoe to which it is to be applied Figs. 3 and 4 are sections taken on lines 3-3 and that the character of the tread surface and and 4-4 of Fig. 1. 25 other structural details may be varied as desired The improved heel comprises a body part 24 without departing from the essence of this inven secured by nails or other fastenings to the heel tion as defined in the appended claim. lift and sole of the shoe; and a collar part 25 I claim: . surrounding the body part 24. The edge of the A rubber heel comprising a body portion adapt body part is undercut where it is engaged by the 30 ed to be secured to the heel base of a shoe, and collar and the interior edge of the collar is bev a collar removably attached to the periphery of eled correspondingly, so that the two parts are said body portion, the two parts having comple frictionally retained in assembled position. Ad mental surfaces meeting on a line inclined to the ditional security is afforded by forming a chan tread surface of the heel and extending from nel 26 beneath an overhanging margin or ledge 35 said surface toward the central portion of the 2ï at the forward edge of the body part 24, and heel so that the collar is held against displace by reducing the thickness of the front bar 28 of ment by the engagement of said inclined surfaces, the collar having tread surfaces around its side and back portions and a cross bar at the front, This heel is assembled by ñrst placing the front 40 said bar being disposed in a plane remote from bar 28 of the collar in the channel 26 of the body said tread surface and said body portion having part and then stretching the rearward part of a projecting ledge deñning an underlying chan the collar over the back of the body part 24; and nel receiving said cross bar, whereby the cross the collar is removed by first freeing its back part bar is anchored in said channel until displaced from the body by a lifting and twisting motion. 45 therefrom by a forward movement parallel to the The collar is applied or removed more easily tread surface of the heel. ` the collar 25 so that said bar fits tightly in the channel 26. and quickly and with less strain by grasping the MORRIS L. SILVERSTEIN.