Land vehicles – Wheeled – Occupant propelled type
Patent
1988-10-27
1990-01-09
Hill, Mitchell J.
Land vehicles
Wheeled
Occupant propelled type
105129, 152523, 180 75, 238 13, 280253, 280272, 280288, 2803041, B62M 114, B62M 116
Patent
active
048923230
ABSTRACT:
An all-terrain wheelchair includes a frame which has a steering platform attached to the forward most portion. The steering platform has an operable ground-engaging pneumatic wheel which is controlled by a steering handle. The steering handle may be selectively locked in a fixed position by an operable locking mechanism. A seat is attached to the rearward portion of the frame. Attached to the frame on each side of the seat is an elongated axle with a large diameter, ground-engaging wheel. Each wheel has a plurality of uniformly spaced tubular members secured to the outer peripheral sides of each wheel and extending horizontally outwardly therefrom. A removably attached arm on each axle can be operably engaged with the tubular members to cause forward or rearward motion of the vehicle. An operable winch is mounted forwardly of the seat on the frame.
REFERENCES:
patent: 244084 (1881-07-01), Steinly
patent: 441409 (1890-11-01), Hardy
patent: 579664 (1897-03-01), McConley
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patent: 913625 (1909-02-01), David
patent: 963857 (1980-07-01), Broomhall
patent: 1270104 (1918-06-01), Benton et al.
patent: 3042131 (1962-07-01), Dovci
patent: 3301574 (1967-01-01), Good
patent: 3309110 (1967-03-01), Bulmer
patent: 3877725 (1975-04-01), Barroza
patent: 3994509 (1976-11-01), Schaeffer
patent: 4138131 (1979-02-01), Sommer
patent: 4354691 (1982-10-01), Saunders et al.
patent: 4558878 (1985-12-01), Motrenec
patent: 4682784 (1987-07-01), Anderson
patent: 4754825 (1988-07-01), Sheffee
Don Kreb's "Access to Recreation" pp. 8 & 16.
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