| 摘要 |
<p>The drive disc (10) and/or the guide roll (11) for the lift cable are positioned so that the cable extends around the disc and/or roll at an angle of wrap of at least 180 deg. The cable preferably extends around the disc and/or roll at an angle of at least 270 deg. The disc and roll are maintained at a constant distance from each other and the roll is integrated into the drive unit (4). The disc and roll are separated by a substantially horizontal distance.</p> |
