HEEL TAP AND ITS FASTENER Russian patent published in 1995 - IPC

FIELD: boot-and-shoe industry. SUBSTANCE: metal heel tap with a hole for the fastener is characterized in that said hole is of a rectangular section. Two sides of the hole are parallel throughout the height of the tap while the other two have a narrowing portion. Metal fastener of the heel tap is flat with variable cross section in height. Within the height of the heel tap the fastener has a narrower part of a shape corresponding to that of the internal surface of hole in the tap. The narrower part is followed by rectangular and wedge-shaped parts. EFFECT: simpler assembly of heels with reliable and strong fastening, higher wearability, possibility of making replaceable taps for heels with a small bearing surface, higher fastener production rate. 2 cl, 3 dwg