Patent ID: 6467853
Filing Date: 2002-10-22
Classification: F16D,Y10T

Abstract:
In a drive for a driven vehicle including a transmission having a transmission housing, a drive axle projecting from the housing, drive wheel structure supported on the drive axle, and a keyway extending between the drive wheel structure and the drive axle, a key supported in the keyway and transmitting drive from the drive axle to the drive wheel structure, a thrust washer structure preventing wear of the transmission housing as the drive wheel structure is urged axially towards the transmission housing as the vehicle is driven, the thrust washer structure comprising: a fixed washer supported by the transmission, a generally flat washer having an opening defining a generally circular opening periphery slidably received over the drive axle for rotation against the fixed washer and including a tab projecting from the flat washer at generally a right angle to the flat washer, and wherein the tab includes a bottom surface lying generally on the periphery and is received in the keyway to constrain the flat washer for rotation with the drive wheel structure without need for additional notched structure to receive the tab.