Gripper elements for sports shoes

Details Gripper elements for sports shoes Gripper elements for sports shoes

1974-11-13

1976-07-06

Lawson, Patrick D.

Boots, shoes, and leggings

Antislipping devices

Calks

36 67D, A43C 1500

Patent

active

039673928

ABSTRACT:
Gripper element for sports shoes especially for track shoes for use on plastics tracks, in which the element is provided with a body having one or more sharp penetrating surfaces adjacent the free end of the element and one or more support surfaces at a greater angle to the axis of the element, the support surface or surfaces preventing undue penetration of the element into a plastics track. A preferred construction comprises a body having the shape of a half barrel in which are formed a plurality of grooves the depth of the grooves increasing gradually from the free end of the element to a point approximately at the center of the length of the element and then gradually decreasing, the grooves forming the penetrating surfaces and the support surfaces.

REFERENCES:
patent: 72534 (1867-12-01), Patton
patent: 1260142 (1918-03-01), Campbell
patent: 2689417 (1954-09-01), Bernstein

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