| 摘要 |
<p>The support has a pin and is swivel-mounted around the pin. The pivot at the arms (2) and guide plates (12,13,16,17) are provided between the upper and lower bearing point of the pivot. One of the two guide plates is flexibly mounted in the upper bearing point, such that when arm swings into the operating position the entire vertically linked up pivot and the pin (3) is relieved. The upper and lower guide plates are flexibly mounted.</p> |
