| 摘要 |
<p>The device is noteworthy in that it comprises a set of several counterweights (24) (27) (28) (29) (31), (24) (33) which are combined with the movement of the panel in order to compensate for the load less a value representing the desired safe force, depending on the position of the panel, the counterweights being moved by a pull cable (16) associated with the lower base of the panel, and in that the drive motor (10) interacts with a means (34) capable of being coupled with or decoupled from the transmission shaft (11), the said means (34) being itself associated with a torque limiter (36). <IMAGE></p> |
