| 摘要 |
An apparatus such as a tensioning device, winch, especially a tire/lift carrier winch, and the like includes a rotatable spool (20) on which a chain or cable (C) is wound to raise a load such as a tire carrier (TT) to a desired position, and a gear train (16, 18) that is self-locking to hold the load in the desired position at all angular positions of an input drive shaft (2) of the winch. |
