| 摘要 |
<p>The device has an adjusting lever (5) and a driving pin (6) that is connected with an adjusting ring (4). An end of the adjusting lever is connected with a blade shaft of a rotatably supported guide blade. A longitudinally formed groove (51) is inserted into another end of the adjustable lever for receiving the driving pin. The driving pin and the groove have two respective contact surfaces (52, 62), where the contact surface (62) of the driving pin and the contact surface (52) of the groove are aligned on each other in pairs.</p> |
