FOOTWEAR ANTISLIP DEVICE Russian patent published in 1994 - IPC

FIELD: light industry. SUBSTANCE: device comprises U-shaped base plate for fastening it to end face of heel. Located between vertical webs of base plate is antislip means made as one or more equilateral triangles, screwed to base plate and heel. Each triangle can turn about its axis for shifting it from active to passive position. Position lock of triangles has the form of spindle located in active position between horizontal web of base plate and the side of each triangle. EFFECT: improved design. 2 dwg