Wheelchair frame assembly

Details Wheelchair frame assembly Wheelchair frame assembly

1995-10-11

1998-03-03

Johnson, Brian L.

Land vehicles

Wheeled

Occupant propelled type

403403, 403205, B62M 114

Patent

active

057226768

ABSTRACT:
A wheelchair frame assembly made by connecting a plurality of unit frames together, each unit frame including a plurality of metal frame tubes, and a plastic cover shell directly molded on the metal frame tubes, each metal frame tube having one end embedded in the plastic cover shell and an opposite end exposed to the exterior for mounting another element, the cover shell having a plurality of integral arm sections respectively connected between each two adjacent metal frame tubes, a plurality of integral rod sections respectively fitted into the embedded end of each metal frame tube, and at least one coupling portion for connection of a respective coupling portion of another unit frame.

REFERENCES:
patent: 1774548 (1930-09-01), Feeny
patent: 4484832 (1984-11-01), Weissenberger
patent: 4840390 (1989-06-01), Lockard et al.
patent: 4902160 (1990-02-01), Jeng
patent: 5253888 (1993-10-01), Friedrich
patent: 5267745 (1993-12-01), Robertson et al.
patent: 5284350 (1994-02-01), Geiger et al.
patent: 5516226 (1996-05-01), Wu

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