Wheelchair apparatus

Details Wheelchair apparatus Wheelchair apparatus

1989-03-22

1990-10-16

Marmor, Charles A.

Land vehicles

Step or abutment ascending type vehicle

With endless track

180 82, 280DIG10, 297DIG10, A61G 506, B62B 502, B62B 902

Patent

active

049629417

ABSTRACT:
Apparatus for use on standard or customized wheelchairs for providing means by which the wheelchair and occupant may be moved up or down a stairway or curb with a minimum of inconvenience to the occupant of the chair and to the handler of the chair. The apparatus having a pair of mounting brackets attached to the side frame of the chair with a tread assembly adjustably positioned thereon at a select angle to the mounting brackets. The tread assembly having a series of rollers over which a tread is placed so that the tread will interact with the stairsteps or curb to allow the wheelchair to glide up or down the stairsteps or curb without experiencing the bumps commonly associated with rolling a wheelchair up or down a set of stairs or curb. The apparatus has a brake assembly and extension handlebars allowing the operator of the chair to control the chair and the speed upon which the chair ascends or descends the stairs. The apparatus is removable from the chair when not in use.

REFERENCES:
patent: 1155916 (1915-10-01), Grout
patent: 3178193 (1965-04-01), Grogan
patent: 4360213 (1982-11-01), Rudwick et al.
patent: 4556229 (1985-12-01), Bihler et al.
patent: 4566706 (1986-01-01), Bihler et al.

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