Wheelchair for single-hand operation

Details Wheelchair for single-hand operation Wheelchair for single-hand operation

1991-01-18

1992-05-12

Hill, Mitchell J.

Land vehicles

Wheeled

Occupant propelled type

280244, 2802501, 280270, 2803041, B62M 116

Patent

active

051120720

ABSTRACT:
A wheelchair operable with one hand including operation ring, extension arm and interlocking member. The operation ring is attached to a yoke of universal joint that is axially rotatable and installed between the operation ring and one of the driving wheels of the wheelchair. The extension arm is connected to the yoke at its base end and to the interlocking member, that is linked to one of front casters of the wheelchair, at its front end. The oscillation movement of the extension arm that is made via the operation ring and universal joint is converted into a pivotal movement of the interlocking member that changes the direction of the front caster.

REFERENCES:
patent: 2643898 (1953-06-01), Everest et al.
patent: 4506900 (1985-03-01), Korosue
patent: 5020815 (1991-06-01), Harris et al.

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