Patent ID: 7591354

Claim:
A shock absorbing steering device for a vehicle, comprising: a steering shaft coupled to a steering member; a steering gear for turning a steerable wheel; and an intermediate shaft interposed between the steering shaft and the steering gear to couple the steering shaft and the steering gear, the intermediate shaft including a hollow accordion portion allowed to undergo plastic deformation, the accordion portion having plural pairs of crest portions and trough portions alternately disposed in an axial direction of the accordion portion; wherein in at least in a part of the accordion portion in the axial direction, each trough portion has first and second different depths in a circumferential direction, as measured from an apex of an adjacent crest portion to a bottom of the trough portion, with the first depth being in a first part of each of the trough portions in a circumferential direction, and the second depth being in a second part of each of the trough portions in the circumferential direction.