Specialized crutch tips

Details Specialized crutch tips Specialized crutch tips

1977-02-16

1978-07-04

Schroeder, Werner H.

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

Tips

280 1137P, A45B 904

Patent

active

040982831

ABSTRACT:
A disk having a convex lower surface bounded by a peripheral ridge may be attached to the bottom of a crutch tip to engage sand, a plurality of apertures around the disk permits the disk to engage snow, and a plurality of thumb tacks embedded in the disk and extending downward from the disk to form a plurality of pointed projections will help the disk engage ice.

REFERENCES:
patent: 909827 (1909-01-01), Seibert
patent: 2403632 (1946-07-01), Brown
patent: 2823539 (1958-02-01), Kersh et al.
patent: 3163437 (1964-12-01), Phillipson
patent: 3202436 (1965-08-01), Barreca
patent: 3467117 (1969-09-01), Lucibello
patent: 4060954 (1977-12-01), Liuzza

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