Wheelchair with anti-tip assembly

Details Wheelchair with anti-tip assembly Wheelchair with anti-tip assembly

1991-02-28

1992-08-11

Marmor, Charles A.

Land vehicles

Wheeled

Occupant propelled type

2802501, 297DIG4, B62K 1500

Patent

active

051372959

ABSTRACT:
A wheelchair having an active anti-tipper assembly to prevent its rider from tipping over backwards when the backrest frame is reclined rearwardly. The anti-tipper assembly has a pair of laterally spaced linkage members whose top ends are pivotally connected to the backrest frame. The bottom ends of the linkage members are pivotally connected to leg members at a point intermediate their length. The leg member in turn have their top ends pivotally connected to the rear ends of the longitudinally extending bottom frame members of the wheelchair frame. The linkage members are adjustable in length. The anti-tipping leg members have rollers secured to their rearward ends.

REFERENCES:
patent: 2465037 (1949-03-01), Ream
patent: 3256040 (1966-06-01), Mize et al.
patent: 3848883 (1974-11-01), Breacain
patent: 4098521 (1978-07-01), Ferguson et al.
patent: 4227740 (1980-10-01), East
patent: 4453732 (1984-06-01), Assanah et al.
patent: 4565385 (1986-01-01), Morford

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