Adjustable walker

Details Adjustable walker Adjustable walker

1991-04-05

1994-09-27

Scherbel, David A.

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

Walker type

135 69, 297 5, 248410, 403104, 403109, A61H 300

Patent

active

053499778

ABSTRACT:
The present invention relates to invalid walkers which are designed to aid the handicapped. Specifically, the present invention relates to an attachment to an existing walker, or a modified existing walker which is hand operated and designed to be made adjustable to accommodate inclines or stairs. This walking aid will enable persons using it to ascend and descend stairs and inclines much easier.

REFERENCES:
patent: 1372456 (1921-03-01), Roetter
patent: 2090550 (1937-08-01), Pilblad
patent: 2849204 (1958-08-01), Petrick et al.
patent: 3176700 (1965-04-01), Drury, Jr.
patent: 3387617 (1968-06-01), Reiber
patent: 3421529 (1969-01-01), Vestal
patent: 3734441 (1973-05-01), Lux
patent: 3800815 (1974-04-01), Birk
patent: 4411283 (1983-10-01), Lucarelli
patent: 4777973 (1988-10-01), Nakajima
patent: 4830035 (1989-05-01), Liu

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