Patent ID: 6378397
Filing Date: 2002-04-30
Classification: B60K,F16H,Y10T

Abstract:
A vehicle having a transmission shaft having an annular flange, a threaded end, a recess, and a cotter key inserted in the recess, and a differential gearing device receiving the transmission shaft, characterized in that:the differential gearing device comprises a bearing cover, a first one-way thrust bearing, a hollow bearing block, a second one-way thrust bearing, and a positioning disk, the bearing cover has two through apertures, the first one-way thrust bearing has two first outer grooves, a first pin key is inserted in one of the first outer grooves of the first one-way thrust bearing, the hollow bearing block has a plate having four through holes, two inner grooves, and two threaded apertures, the second one-way thrust bearing has two second outer grooves, a second pin key is inserted in one of the second outer grooves of the second one-way thrust bearing, the first one-way thrust bearing and the second one-way thrust bearing are disposed in the hollow bearing block, the positioning disk has an inner thread, two screws fasten the bearing cover and the hollow bearing block together, a plurality of bolts fasten the plate and a driven element together, the transmission shaft passes through the bearing cover, the first one-way thrust bearing, the hollow bearing block, the second one-way thrust bearing, the positioning disk, and the driven element, a nut engages with the threaded end of the transmission shaft, and the first one-way thrust bearing is blocked by the annular flange of the transmission shift.