Footwear having retractable spikes

Details Footwear having retractable spikes Footwear having retractable spikes

1981-07-29

1983-03-08

Schroeder, Werner H.

Boots, shoes, and leggings

Antislipping devices

Disengaging

36134, 36127, 36 59R, A43C 1514, A43C 1502

Patent

active

043757294

ABSTRACT:
Anti-skid spikes for use on shoes or boots, to provide firm footing on ice or snow. The spikes are readily extendable and retractable without the use of keys or tools, e.g., when entering a car or a house where floors and rugs might otherwise be damaged thereby. A mechanism for selectively extending and retracting the spikes is sealed within the sole and heel of the footwear to provide improved esthetics and to prevent interference with the mechanism, as by moisture and ice, when temperatures vary from hot to cold.

REFERENCES:
patent: 3717238 (1973-02-01), Fox
patent: 3793751 (1974-02-01), Gordos
patent: 4271608 (1981-06-01), Tomuro

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