| 摘要 |
An elevator system including a hoist disposed on the top portion of a hoistway, a wire rope wound around a traction sheave of the hoist and provided with an elevator car at its one end and a counter weight at the other end, a compensation chain having respective ends fastened to the lower portion of the elevator car and the lower portion of the counter weight, a relief weight connectable to the compensation chain in emergencies for adjusting the balance between the elevator car and the counter weight to cause the elevator car to move, and detecting means for detecting that the relief weight is connected to the compensation chain. <IMAGE> |
