Chairs and seats – Bottom or back – Framework
Patent
1979-01-30
1980-10-14
Mitchell, James C.
Chairs and seats
Bottom or back
Framework
297DIG4, A47C 750
Patent
active
042277426
ABSTRACT:
A wheelchair includes an improved, retractable multi-position leg rest apparatus. The leg rest is attached to the frame of the footrest of the wheelchair in a conventional manner. The leg rest cushion is carried on a frame which slidably engages the footrest frame. A rotatable U-shaped transverse member comprises part of the leg rest frame and is adapted to selectively engage a hook on the underside of the leg rest cushion to lock the rear end of the cushion in an elevated position. The rear of the leg rest cushion can be lowered by disengaging the tubular member from the hook. A T-shaped member also comprises part of the leg rest frame and is connected to the front edge of the underside of the cushion. The T-shaped member includes a pair of telescoping elements which house a spring-loaded pushbutton and a spring urged stop mechanism for locking the front edge of the leg cushion in at least three separate vertical positions. Undesirable horizontal forces exerted on the cushion and on the T-shaped member are minimized by a pair of stop means attached to the transverse U-shaped rotatable element. The present invention is especially useful because it can be easily manipulated by one person and may be horizontally and vertically adjusted to a wide variety of comfortable positions.
REFERENCES:
patent: 2633896 (1953-04-01), Thompson
patent: 3672722 (1972-06-01), Murcott
patent: 3902758 (1975-09-01), Pivacek
Edco-Recliner Chair/Table Model No. 4665/1 with optional No. 4670/1-self-storing leg rest.
Edco-Self-Storing Leg Rest-Model 4670.
Bio-Care Seating Systems from Edco.
p. 68, Surgical Business/Sep. 1978, describing a patient's chair, manufactured by Steelcraft, Inc.
Mitchell James C.
Temco Products, Inc.
Woodbridge Richard C.
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