US PATENT SUBCLASS 180 / 267 .~ With driven axle, mounting two or more wheels, swingable about axis of pivot, and shaft for transmitting drive coincident with axis
Current as of: June, 1999
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.~ With driven axle, mounting two or more wheels, swingable about axis of pivot, and shaft for transmitting drive coincident with axis
DEFINITION
Classification: 180/267
With driven axle, mounting two or more wheels, swingable about axis of pivot, and shaft for transmitting drive coincident with axis:
(under subclass 252) Vehicle provided with at least one axle, which axle (a) is driven for a vehicle propelling purpose, (b) carries a plurality of wheels, and (c) is movable about the axis of pivot for enabling its wheels to perform a steering function, and wherein the arrangement for transmitting drive from the motor to the wheels includes a shaft which rotates about an axis which corresponds with the axis of pivot.
SEE OR SEARCH THIS CLASS, SUBCLASS:
262, for a motor vehicle having at least one wheel which is both steerable and driven, which wheel has an exclusive axis of pivot for steering, and wherein is included flexible, axially rotatable means having one portion fixed to the vehicle and another portion pivotable with the wheel for transmitting drive to the wheel and further wherein the pivotable portion of the means includes a gear element of an intermeshing gear type of universal joint and additionally wherein the universal joint includes at least one gear element rotatable on the axis of pivot and intermeshing with a gear element on the pivotable portion and lastly wherein the joint also includes a gear element on the fixed portion engaging the gear element on the axis of pivot and vertically offset from the gear element on the pivotable portion.
