| 摘要 |
A travelator, moving ramp or escalator comprises a power machine and a conveyor having a driven end driven by the power machine and a non-driven end. The conveyor comprises a first and second drive elements which are at a distance from each other and parallel to each other, each being formed as an endless loop. A number of transport platforms are arranged one after the other and secured to the first and second drive elements. At the driven end, the first drive element is passed over a first driving pulley which is rotated by the power machine, and at the non-driven end the first drive element is passed over a first diverting pulley. The second drive element is passed over a second driving pulley at the driven end which is rotated by the power machine, and over a second diverting pulley at the non-driven end. A first synchronizing device is placed at the driven end for mutual synchronization of the first and second driving pulleys. The conveyor additionally comprises a second synchronizing device arranged at the non-driven end for mutual synchronization of the first and second diverting pulleys.
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