Land vehicles – Wheeled – Occupant propelled type
Patent
1975-09-30
1977-08-30
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Occupant propelled type
188 822, B62M 114
Patent
active
040450473
ABSTRACT:
A wheel chair having small front wheels and large rear wheels supported on axles is disclosed. A ratchet connects each rear wheel to the axle so that each wheel can rotate in a single direction thereby enabling a patient to move his wheel chair up an incline in intervals without having the chair roll backward. A person riding up a ramp in a wheel chair will be able to move himself along by moving the wheels by intermittant forces of his hands on the rear wheels and the chair will not roll backward at the times between the forces. With the ordinary wheel chair, an individual trying to force himself up a ramp may push the chair forward by force, but must hold the chair in this position before again pushing it, thus making it difficult to move himself up the ramp in the chair.
REFERENCES:
patent: 2667945 (1954-02-01), Caldeira
patent: 2834239 (1958-05-01), Mancini
patent: 2973838 (1961-03-01), Oswold
patent: 3017964 (1962-01-01), Von Thuengen
patent: 3226129 (1965-12-01), McKinley
patent: 3259396 (1966-07-01), Zamotin
patent: 3529700 (1968-10-01), Marshall
patent: 3750593 (1973-08-01), Zetterlund
patent: 3827718 (1974-08-01), Curry
Peters Jr. Joseph F.
Siemens Terrance L.
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