Motor vehicles – Power – Electric
Patent
1990-07-02
1992-01-28
Kashnikow, Andres
Motor vehicles
Power
Electric
5 68, 180 628, 180 655, 180202, 180264, 280 4317, B60K 100
Patent
active
050836250
ABSTRACT:
A powdered maneuverable cart with a cart frame including a top load bearing portion and a bottom portion interconnected having hydraulic cylinders for raising the top portion in relation to the bottom portion. Situated above the cart frame top portion is a generally horizontal load bearing portion having head and feet ends with means included for allowing the head and feet ends to be raised and lowered independently in relation to the cart frame top portion. The cart frame bottom portion includes four swivel wheels mounted at each of the four corners of the bottom portion for allowing rolling and turning movements of the cart. Situated between the four swivel wheels, and generally in the central area of the cart frame bottom portion, is a drive wheel carriage having two opposing drive wheels. The rotational rate and direction of each drive wheel may be controlled independently for steering the cart. In order that the cart may be moved about manually, and in short side to side movements, the drive wheel carriage includes means for raising and lowering the carriage so as to engage or disengage the drive wheels from the floor surface. The drive wheel carriage may be interconnected to the underside of the cart bottom portion by a turntable allowing the carriage to be rotated about is vertical center on the turntable.
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Culbreth Eric
Kashnikow Andres
Suiter Sean Patrick
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