| 摘要 |
<p>An electric steering column device comprises a steering column which can rotatably hold a steering shaft and adjust the position of a steering wheel, and a power transmission mechanism which transmits the rotational drive force of an electric motor to the steering column. The power transmission mechanism has in a drive force transmission path a joint comprising a spherical joint element and a cylindrical joint element with which the spherical joint element is slidably and internally fitted.</p> |
