Foldable and lockable walker

Details Foldable and lockable walker Foldable and lockable walker

1993-11-12

1995-07-18

Friedman, Carl D.

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

Walker type

135 74, 135 65, 403108, A61H 300

Patent

active

054332354

ABSTRACT:
A foldable and lockable walker is disclosed that includes a pair of locking members provided on the cross-brace and cooperatively engaged to the horizontal portion of the side supports. The locking member receives a spring biased pin to lock the side supports against relative movement with respect to the cross-brace.

REFERENCES:
patent: 2996070 (1961-08-01), Ries
patent: 3442276 (1969-05-01), Edwards et al.
patent: 3690652 (1972-09-01), Schneider
patent: 3945389 (1976-03-01), Smith
patent: 3993088 (1976-11-01), Thomas
patent: 4180086 (1979-12-01), Thomas
patent: 4298016 (1981-11-01), Garelick
patent: 4461471 (1984-07-01), Brastow
patent: 4518002 (1985-05-01), Battiston, Sr. et al.
patent: 4523773 (1985-06-01), Holtz
patent: 4830035 (1989-05-01), Liu
patent: 5188139 (1993-02-01), Garelick
patent: 5255696 (1993-10-01), Leonard

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