| 摘要 |
<p>The assembly, consisting of first (2) and second (4) arms connected by a pivot (5), incorporates an elongated parallelpiped block (3) of an elastic material inside (2) to ensure that the arms pivot relative to one another. (2) Consists of two side plates (6, 7) assembled with a gap between them to allow (4) to pivot and to form a chamber (9) to accommodate (3) and a pusher (21) that is pressed against it by a cam on (4).</p> |
