Patent ID: 6443650
Filing Date: 2002-09-03
Classification: B62D,F16B,F16D,Y10T

Abstract:
A connection structure of a yoke and a shaft, comprising:a shaft including a pair of flat surfaces formed in parallel to each other on an outer peripheral surface of a front side end thereof; a yoke having a connection portion, formed at one side end thereof, for connecting said shaft, and having the other side end connected to a universal joint; said connection portion including: holding members, for holding the flat surfaces of said shaft, taking substantially a U-shape in section within a plane orthogonal to an axial direction thereof; a screw hole formed in the vicinity of one side end of the U-shape; and a bolt hole formed in the vicinity of the other side end thereof, concentric with said screw hole and having a diameter larger than said screw hole, said connection structure functioning to insert from said bolt hole a bolt fitted thereon with a cam member having a fitting hole by inserting said shaft in between said holding members, then screw said bolt into said screw hole, thus connect said shaft to said connection portion, and perform centering of said shaft with the rotations of said cam member, wherein said cam member is movable on said bolt facing at least a part of said shaft in the axial direction of said bolt, and said bolt is provided with a frictional engagement portion frictionally engaging with said cam member and rotating said cam member when said bolt is screwed into said screw hole and fastened thereto.