Patent ID: 8051742

Claim:
A steering wheel position adjustment device, comprising: a movable bracket including adjusting long holes on both sides in a width direction of the movable bracket; a fixed bracket; a lock shaft penetrating through both of the adjusting long holes to support the movable bracket to the fixed bracket; a collar member which is rotatably supported within the movable bracket by the lock shaft and is capable of moving along, with the lock shaft, in a longitudinal direction of the adjusting long holes; and stopper shock-absorbing materials, which are attached to both side sections, in the longitudinal direction of the adjusting long holes, within the movable bracket and each of which is formed thereon with an abutment surface against which the collar member abuts, wherein, when each of the stopper shock-absorbing materials and the collar member abut against each other, both end portions of the stopper shock-absorbing material, in an axial direction of the collar member, are first brought into abutment, wherein in the collar member, a cylindrical shape portion is formed in a central portion in the axial direction of the collar member and conical portions are formed such that a diameter of each of the conical portions gradually increases toward both ends in a width direction of the cylindrical shape portion, and wherein both of the end portions in the width direction of the abutment surface of the stopper shock-absorbing material abut against the conical portion.