| 摘要 |
<p>The device (20) has a fixation sub assembly provided on a mast and comprising a brake (26) for maintaining the device in position along the mast by static friction of the brake on the mast. A clamping mechanism (32) of the brake is adhered on the mast. A sub assembly is pivoted with the fixation sub assembly, and comprises a loosening mechanism (40) that loosens the clamping mechanism of the brake on the mast for adjusting a position of the device along the mast. Independent claims are also included for the following: (1) a support comprising a bearing (2) an assembly comprising a mast.</p> |
