Patent ID: 6616567
Filing Date: 2003-09-09
Classification: B60K,F16H

Abstract:
A two speed gear box for driving a hub, the gear box comprising:said hub; a spindle, the spindle adapted to rotatably support the hub; an inboard planetary gear assembly comprising: a sun gear driven by a drive axle; a plurality of planetary gears; a ring gear; a planetary gear carrier, the planetary gear carrier interconnecting the planetary gears; and an inboard clutch adapted to couple the sun gear of the inboard planetary gear assembly to the planetary gear carrier of the inboard planetary gear assembly; an outboard planetary gear assembly comprising: a sun gear; a plurality of planetary gears; a ring gear coupled to the wheel hub; a planetary gear carrier interconnecting the planetary gears and joined to the spindle; and an outboard clutch adapted to couple the ring gear of the inboard planetary gear assembly with the planetary gear carrier of the outboard planetary gear assembly.