Elevator means for the chair seat of a convertable wheel chair a

Details Elevator means for the chair seat of a convertable wheel chair a Elevator means for the chair seat of a convertable wheel chair a

1974-07-22

1976-02-10

Nunberg, Casmir A.

Beds

With means for relocating an invalid

Horizontally sliding patient support surface

5 86, 297 19, 297 90, A61G 0102

Patent

active

039368939

ABSTRACT:
The elevation of a chair seat from normal to raised bed level by cam action between the chair seat and a wheeled frame on which the chair seat is guided for up and down movement. A camshaft journaled on the underside of the chair seat with cam wheels at each end with cam edges supported on rollers journaled on the frame and lever means on the cam shaft connected to the backrest of the chair seat for rocking the cam shaft upon adjustment of the backrest between its condition of a backrest relative to the chair seat and a condition level with the chair seat as a part of the bed pad when the chair seat is raised to bed level.

REFERENCES:
patent: 2679286 (1954-05-01), Luckhardt
patent: 3147039 (1964-09-01), Smith et al.
patent: 3842449 (1974-10-01), Geurtsen et al.

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