Patent ID: 6626765
Filing Date: 2003-09-30
Classification: B62D,Y10T

Abstract:
In a universal joint shaft which includes a driving yoke and a driven yoke for transferring a rotational force in an inclined state at a certain angle, a driving shaft and a driven shaft respectively engaged to the driving yoke and the driven yoke which are arranged in an installation position and have opposite both front ends which are distanced and a rectangular cross section in a radius direction; and a three-divided joint formed of a connection shaft and having a cross section in a radius direction to correspond to the driving shaft and driven shaft for implementing an axial direction slip and rotational force transfer between the driving shaft and the driven shaft, the improvement which comprises an inclined portion formed in an end portion of the connection shaft which is opposite to a front end of the driving shaft for guiding an insertion of the driving shaft into the interior of the connection shaft in such a manner that a moving line of the front end of the driving shaft which is moved about the driving yoke is opposite to the inner portion of the connection shaft.