Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Crutches
Patent
1995-06-07
1998-08-11
Yip, Winnie S.
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Crutches
135 72, 403100, A61H 302
Patent
active
057913609
ABSTRACT:
A stable tubular crutch having a continuous one piece body, with an adjustable hand grip and riveted underarm support. The crutch is made of a tubular member, bent to form an elongated, flattened, fully enclosed, ovate structure with parallel spaced apart sections, within which the adjustable hand grip is positioned. An end of the tubular member longitudinally extends from the ovate structure in line with the major axis thereof and an independently adjustable straight tubular leg is interfitted with the extending end by an adjustable connection. A tubular underarm support, is fitted within a contoured section of the tubular member and is riveted thereto for a fixed connection. The adjustable hand grip is a short tube with a closed end supporting an extending hook. The base of a Y-shaped plastic member, with integrated metal rod (extending out of the fork of the Y) is slidingly retained, with a spring loading, in the open end of the tube. The metal rod, of non-circular cross section, and the hook are adapted to fit within any of a plurality of holes in the parallel spaced apart section for adjustability of the hand grip. The fork of the Y is arc-shaped, to correspond to the curvature of the tube, and serves to stabilize the hand grip.
REFERENCES:
patent: 885339 (1908-04-01), Hargrove
patent: 987497 (1911-03-01), Cassidy
patent: 1505081 (1924-08-01), Arndt
patent: 3858596 (1975-01-01), Thomas
patent: 4476885 (1984-10-01), Stein
patent: 4721125 (1988-01-01), Wang-Lee
patent: 4776361 (1988-10-01), Staton
patent: 4838291 (1989-06-01), DiVito
Product Literature -Sunrise Medical/Guardian (Brochure copyright 1990).
Product Literature -Carex Health Care Products (1995).
Product Literature -Lumex Inc.
Battiston David
Battiston Joseph
Tubular Fabricators Industry, Inc.
Yip Winnie S.
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