Land vehicles – Wheeled – Occupant propelled type
Patent
1991-09-23
1993-07-20
Friedman, Carl D.
Land vehicles
Wheeled
Occupant propelled type
280293, 280 87021, 135 67, 482 66, B62K 1100
Patent
active
052287084
ABSTRACT:
The present apparatus consists of a frame with a tubular structure, made of the following elements: a number of vertical studs supporting atop cushioned member of a nearly circular shape, the studs rest on a lower frame component having the same bowed shape and a number of casters with braking devices. The frame is selectively completed by a bow-shaped component also cushioned and with fastening means at it sends to allow mounting to the cushioned member. The apparatus also includes a removable an d interchangeable square-shaped seat and a cross-shaped seat having detachable fastening elements, respectively, in relation to ring-shaped pieces in the studs. A flexible and non-extensible band is also provided to be attached to the rings and to surround the body of the user.
REFERENCES:
patent: 3195550 (1965-07-01), Ingalls et al.
patent: 3778052 (1973-12-01), Andow et al.
patent: 4272071 (1981-06-01), Bolton
patent: 4342465 (1982-08-01), Stillings
patent: 4415198 (1983-11-01), Brearley
patent: 5040556 (1991-08-01), Raines
patent: 5050862 (1991-09-01), Saghafi
Friedman Carl D.
Mai Lan M.
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