| 摘要 |
<p>The device (1) has a rotating element connected to a fixing plate (2), where the element includes two parts (31, 32) fixed with each other using a pin (33). The plate has an annular projection i.e. annular element (21), facing an end of the pin during the rotation of a portion of the element so as to oppose the release of the pin from the element. The projection surrounds the element, and includes an opening for permitting the threading of the pin. The element has a radial or cross hole for threading the pin.</p> |
