| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a stepless angle adjustment fitting capable of making a back part reliably and stably remain stationary in a stepless manner throughout a tilt angle range of the back part of a legless chair.SOLUTION: A circular outer peripheral surface part S for being subjected to braking is braked by being brought into resilient pressure contact by a braking spring material 20 comprising a long leg 23, a short leg 24 and a rolled part 21.</p> |
