| 摘要 |
<p>The system to supervise the action of a lift/elevator, with a cabin riding in a shaft, has at least one spring (22) to store energy at the motor (9) or counterweight cable deflection (17), to lift it when the load is relaxed at the cables (7). At least one sensor (29) registers a motor lift, to switch off the drive motor (30).</p> |
