Foldable walker with a locking mechanism

Details Foldable walker with a locking mechanism Foldable walker with a locking mechanism

1994-07-19

1996-06-25

Knight, Anthony

Joints and connections

Manually releaseable latch type

Having operating mechanism

403321, 135 74, A45B 900, F16B 104

Patent

active

055294251

ABSTRACT:
A locking assembly for use with a foldable walker having a pair of side frames, each having a tubular front leg concentrically contained within an end sleeve of a cross brace, includes a housing secured to each of the side frame front legs. Each housing closely receives a locking pin extending through a first bore. The locking pin is movable between first and second positions and includes a locking end which extends into an aperture of a lock plate connected to the end sleeve of the cross brace. An actuating lever pivotally connected to the housing includes a force applying handle which, when depressed, causes the lever to rotate about a pivot point and raise the locking pin from the lock plate aperture thus allowing the side frame to rotate with respect to the cross brace.

REFERENCES:
patent: 2796916 (1957-06-01), Womble
patent: 3658079 (1972-04-01), Block
patent: 3688789 (1972-09-01), Bunch
patent: 3690652 (1972-09-01), Schneider
patent: 3783886 (1974-01-01), Thomas
patent: 4298016 (1981-11-01), Garelick
patent: 4461471 (1984-07-01), Brastow
patent: 4518002 (1985-05-01), Battiston, Sr. et al.
patent: 4640301 (1987-02-01), Battiston, Sr. et al.
patent: 4830035 (1989-05-01), Liu
patent: 5188139 (1993-02-01), Garelick
patent: 5255696 (1993-10-01), Leonard
patent: 5275187 (1994-01-01), Davis

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