Wheelchair

Land vehicles – Wheeled – Occupant propelled type

Patent

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Details

280246, B62M 116

Patent

active

047354313

ABSTRACT:
A wheelchair is propelled by movement of a pair of normally horizontal handles which are pivotally mounted on either side of the chair. Up and down movement of the levers drives a clutch which in turn is connected to the driven wheels for propulsion. The up and down motion of the levers allows the occupant to use their weight to assist propulsion as well as partially and intermittently relieving the ischial tuberosities of weight bearing.

REFERENCES:
patent: 3869146 (1975-03-01), Bulmer
patent: 4358126 (1982-11-01), Mitchell et al.
patent: 4503724 (1985-03-01), Ward
patent: 4506900 (1985-03-01), Korosue
patent: 4560181 (1985-12-01), Herron

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