Wheelchair

Details Wheelchair Wheelchair

1979-05-24

1981-01-20

Love, John J.

Land vehicles

Step or abutment ascending type vehicle

With spider-type engaging means

280 4716, B62M 100, B62B 902

Patent

active

042458471

ABSTRACT:
A wheelchair suitable for invalids or geriatric patients has a chair or seat supported on independant forward and rearward castor frames pivotally connected together at a transverse axis to form a castor frame assembly. The chair is pivotally mounted on the forward and rearward castor frames so that in negotiating a step or other obstacle, the lifting movement of the occupant is divided into stages so that a pleasant or comfortable ride is obtained. The wheelchair may be folded into a collapsed condition with the chair itself located between the castor frames.

REFERENCES:
patent: 865514 (1907-09-01), Mullenmeister
patent: 1226848 (1917-05-01), Black
patent: 2285699 (1942-06-01), Everest
patent: 2986200 (1961-05-01), Nobile
patent: 3100547 (1963-08-01), Rosenthal
patent: 3591195 (1971-07-01), Ilon

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