Slip-resistant crutch tip

Details Slip-resistant crutch tip Slip-resistant crutch tip

1991-06-17

1993-01-12

Raduazo, Henry E.

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

Tips

A45B 904

Patent

active

051781760

ABSTRACT:
A crutch tip for installation on the lower end of a crutch shaft for engagement with an underlying supportig surface. The crutch tip includes a first material having a first coefficient of friction with respect to the supporting surface and a second material having a second coefficient of friction with respect to the supporting surface. The crutch tip generally includes a radial outer skirt, a ring portion radially inwardly of the skirt, and a center portion. The ring portion may be formed from the first material and the outer skirt may be formed from the second material.

REFERENCES:
patent: 710073 (1902-09-01), Pratt et al.
patent: 960700 (1910-06-01), Pratt
patent: 1340616 (1920-05-01), Lynde
patent: 1340617 (1920-05-01), Lynde
patent: 1429428 (1922-09-01), Hipwood
patent: 3251372 (1966-05-01), Smith
patent: 3334456 (1967-08-01), Naka
patent: 4881564 (1989-11-01), Fetterman
"Ambulation Aids," Health Devices 20(1): 5-22, Jan. 1991.
Bennett, L. and Murphy, D. F., "Slipping Cane and Crutch Tips: Part I--Static Performance of Current Devices," Bulletin of Prosthetics Research, Fall 1977.

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