Motor vehicles – Steering by driving – Independently operable drive motors
Patent
1995-06-06
1999-12-21
Boehler, Anne Marie
Motor vehicles
Steering by driving
Independently operable drive motors
180 71, 180 21, 180 658, 180907, 280 52, 701124, B62D 6112
Patent
active
060036249
ABSTRACT:
A double-inverted wheeled passenger carrier (WPC) that is actively stabilizing on two or more axially-spaced wheels through a controller that senses and adjusts three degrees of freedom that allows the WPC to actively stabilize itself to keep a passenger essentially upright during movement, including traversing stairs and the like. The WPC (10) includes a wheel assembly (12) having at least two axially-spaced wheels (14), each wheel having an axis of rotation (15), a frame (16) having a first pivot (18) and second pivot (22), and a chair (20). The frame (16) is attached to the wheel assembly (12) at the first pivot (18). The chair (20) is attached to the frame (16) at the second pivot (22), allowing the chair (20) to rotate independently of the wheels (14).
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Garbini Joseph L.
Jorgensen Glen Howard
Boehler Anne Marie
Petrich Kathleen T.
University of Washington
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