Nonslip crutch foot assembly

Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Tips

Patent

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Details

135 86, 403227, 403104, 2483461, A45B 904, A45B 700

Patent

active

047081546

ABSTRACT:
A nonslip foot assembly for the lower end of a crutch, cane, walker or other walking aid. An expansible sleeve is anchored in the end of the crutch by rotating a threaded bolt in order to squeeze the sleeve between a pair of nuts. The end of the bolt projects out of the crutch and is pivotally pinned to a nonslip foot formed by a rigid disk bonded to a resilient pad having a plurality of projecting fingers. The fingers flex when applied to a hard surface and their resiliency applies a firm gripping force even if the surface is slippery. The fingers are able to dig into carpets and other soft surfaces to provide a firm grip without damaging the surface.

REFERENCES:
patent: 521811 (1894-06-01), Piepenbring
patent: 679468 (1901-07-01), Pratt
patent: 1305867 (1919-06-01), Atlas
patent: 1518382 (1924-12-01), Beecroft
patent: 1879429 (1932-09-01), Noelting
patent: 2155826 (1939-04-01), Herold
patent: 2301385 (1942-11-01), Ehrgott
patent: 2429409 (1947-10-01), Eidman
patent: 2430737 (1947-11-01), Roe
patent: 2492916 (1949-12-01), Chute
patent: 2501890 (1950-03-01), Desso
patent: 2642884 (1953-06-01), Henderson
patent: 2835493 (1958-05-01), Skaggs
patent: 3170475 (1965-02-01), Forbes
patent: 3199886 (1965-08-01), Dover
patent: 3448749 (1969-06-01), Stark
patent: 4135536 (1979-01-01), Willis
patent: 4411284 (1983-10-01), Opitz

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