| 摘要 |
To increase the transportation capacity in relation to shaft volume, of an elevator comprising an elevator shaft with guide rails on which the elevator car and its counterweight move, the ropes on which the car and counterweight are suspended, and a traction sheave, whose motion is transmitted to the car and counterweight by the ropes, the rail length provided for the travel of the counterweight is shorter than the rail length provided for the travel of the elevator car.
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