Patent ID: 8500564
Filing Date: 2013-08-06
Classification: B62D,F16D,Y10T

Abstract:
1. A shaft-and-yoke coupling structure comprising: a steering transmission shaft having an end portion, and a yoke of a universal joint joined to the end portion of the steering transmission shaft, wherein the end portion of the steering transmission shaft has a stepped portion and an insertion convex portion protruding from the stepped portion in the axial direction of the steering transmission shaft, the yoke has an annular receiving portion facing and fixed to the stepped portion via a welded portion and an insertion recess portion surrounded by the receiving portion in which the insertion convex portion is inserted, and wherein the insertion convex portion and the insertion recess portion are arranged to be engaged with each other with a predetermined amount of play in the direction of rotation when the welded portion is broken, and the predetermined amount of play corresponds to a predetermined angle set within a range from 10 to 30 degrees in the direction of rotation.