Wheelchair lift assembly

Details Wheelchair lift assembly Wheelchair lift assembly

1974-10-15

1976-06-29

Blunk, Evon C.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 19, B66B 908

Patent

active

039660222

ABSTRACT:
A wheelchair lift having a horizontally disposed wheelchair supporting platform and a vertically disposed frame member positioned adjacent to one of the walls of the stairwell. The frame member is connected to a guide rail mounted on said side wall via a sub-frame which is rotatably fixed to the frame member and which is provided with rollers for engagement with the guide rail. The frame member also including vertically and horizontally adjustable drive and idler pinions, the adjustment of the pinions and the rotatable adjustment of the sub-frame permitting use of the wheelchair lift in stairwells of varying inclinations. Also, the frame member being symmetrical in the vertical plane to thereby permit the wheelchair lift assembly to be used with a left hand as well as a right hand guide rail.

REFERENCES:
patent: 774348 (1904-11-01), Campbell
patent: 1768650 (1930-07-01), Wood
patent: 2212388 (1940-08-01), Cheney
patent: 2856027 (1958-10-01), Schryver
patent: 2888099 (1959-05-01), Hoffmann
patent: 2950948 (1960-08-01), Hardigan
patent: 3344885 (1967-10-01), Rasmussen

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