Patent ID: 7214158
Filing Date: 2007-05-08
Classification: B60K,F16H,Y10T

Abstract:
1. A drive mechanism used in a four wheel drive transverse engine-mounted vehicle to transmit drive force of an engine from a transmission to front wheels and rear wheels, the drive mechanism comprising: a differential unit comprising: a transfer unit disposed rearward of the differential unit and comprising a driven gear that meshes with the drive gear; a propeller shaft to which drive force from the driven gear is transmitted and which transmits the drive force to the rear wheels; a first material-removed portion made of a concave portion and formed in an inner circumference of a portion to which the axle shaft of the case is mounted; and a second material-removed portion made of a concave portion and extending in the axial direction of the axle shaft, the second material-removed portion being formed between each of the plurality of boss portions.