Walker release button

Details Walker release button Walker release button

1991-05-17

1993-10-26

Friedman, Carl D.

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

Walker type

135 74, 297 5, 482 66, A61H 300

Patent

active

052556964

ABSTRACT:
A collapsible walker for elderly and disabled persons including first and second U-shape side frames which are pivotal relative to a front frame, enabling the walker to be collapsed substantially flat. At each corner between the front and side frames, a corner brace is provided in the form of a plastic sleeve which rides/slides on a horizontal rib in the side frame and a connecting rod which connects the sleeve to the front frame A detent in the sleeve snaps into catch slots in the horizontal rib to lock the walker in an open position. A pushbutton on the sleeve permits disengaging the detent from the catch slot.

REFERENCES:
patent: 3442276 (1969-05-01), Edwards et al.
patent: 3658079 (1972-04-01), Block
patent: 3688789 (1972-09-01), Bunch
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: 4518002 (1985-05-01), Battison, Sr. et al.
patent: 4640301 (1987-02-01), Battiston, Sr. et al.
patent: 4830035 (1989-05-01), Liu

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