Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Walker type
Patent
1990-12-26
1992-02-11
Scherbel, David A.
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Walker type
297 5, A61H 300
Patent
active
050867989
ABSTRACT:
A versatile knee rest for invalid walkers which is easily adapted to existing walkers or provided as original equipment wherein the knee rest may be quickly and readily positioned on either the right side or left side of the walker as required by the user. While of simple construction, the knee rest is ruggedly mounted and braced for use.
REFERENCES:
patent: 2678054 (1954-05-01), Bostelman
patent: 2778370 (1957-01-01), Chamblee
patent: 3596668 (1971-08-01), Tosto
patent: 4141375 (1979-02-01), Tykwinski
patent: 4187869 (1980-02-01), Marchetti
patent: 4291715 (1981-09-01), Monte
patent: 4641882 (1987-02-01), Young
patent: 4722356 (1988-02-01), Rehder
Mai Lan
Scherbel David A.
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