| 摘要 |
In an elevator installation with a drivebelt sheave (10) and a flat-beltlike suspension means (1l) that bears the elevator car and the counterweight, and that is driven by the drivebelt sheave, a running surface (12) or a partial running surface of the drivebelt sheave (10), via which the flat-beltlike suspension means (11) rests on the drivebelt sheave, is friction-reducingly coated or friction-reducingly surface treated.
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