FASTENING TOOL, AND STEERING DEVICE

摘要

A fastening tool (1) for jointing two members (5, 6) comprises a ring body (3), a plurality of ridges (4) formed at a spacing in the circumferential direction of the ring body, and a plurality of recesses (10) formed in the ridges. As a result, a stable frictional resistance can be applied to the two members when these two members are moved relative to each other. In a steering device including an energy absorbing mechanism (28) for absorbing a striking energy, moreover, the fastening tool (1) can be employed in the energy absorbing mechanism (28).