Motor vehicles – Power – Electric
Patent
1995-04-10
1997-12-16
Camby, Richard M.
Motor vehicles
Power
Electric
180907, A61G 504
Patent
active
056974655
ABSTRACT:
A personal mobility vehicle having a low center of gravity and compact overall size which facilitates travel in narrow hallways and in negotiating sharp turns both indoors and out of doors on smooth and uneven surfaces. The vehicle includes a generally horizontally disposed frame supported in close proximity above the ground by a pair of side-by-side spaced steerable rear wheels and two spaced motor-driven front wheels. A battery arrangement is connected to and supported by the frame and operably connected between a control lever in electrical communication with an electronic circuit and the motors for propelling the front wheels through a transaxle arrangement and for steering the rear wheel. By the side-by-side spaced rear wheel arrangement, steering angles of up to about 90.degree. are achieved without stalling propulsion. A seat is provided whereby a user's feet may be comfortably supported on the frame or separate removable or fixed foot rests. Outrigger type anti-scuff and anti-tip wheels are also provided and may be in combination with a forwardly positioned ramp assist wheel connected beneath a forwardly perimeter of the frame to assist the vehicle in travelling over a ramp or bump.
REFERENCES:
patent: 2586273 (1952-02-01), Steven
patent: 3566986 (1971-03-01), Udden
patent: 3820790 (1974-06-01), Peterson
patent: 5022476 (1991-06-01), Weege
patent: 5249636 (1993-10-01), Kruse et al.
Camby Richard M.
Fisher III A. W.
Prescott Charles J.
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