Wheelchair ramp apparatus

Details Wheelchair ramp apparatus Wheelchair ramp apparatus

1993-10-04

1994-07-05

Bui, Thuy M.

Bridges

Gangway, ramp, or dock leveler

414537, B65G 6702, E01D 1500

Patent

active

053255585

ABSTRACT:
A wheelchair ramp structure is arranged to include first and second U-shaped tracks hingedly mounted relative to one another cooperative and parallel to third and fourth U-shaped tracks, wherein the first and third U-shaped tracks include an adjusting connector link directed therebetween to provide for adjustment and maintaining such adjustment in a spatial relationship of the first and second tracks relative to the third and fourth tracks. The first and second tracks are arranged for hinged mounting relative to one another, as well as the third and fourth tracks permitting ease of storage of the organization during periods of non-use.

REFERENCES:
patent: 3532058 (1970-10-01), van der Meide
patent: 3820912 (1974-06-01), Hughes
patent: 4528711 (1985-07-01), Packer
patent: 4874284 (1989-10-01), New, Jr.
patent: 5143478 (1992-09-01), Bowman

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