Linear tightener for motor vehicle, has rotatable shaft unit designed as hollow shaft, and torsional spring exteriorly covering movable part, where shaft is supported at movable part by movable thread
摘要
<p>The tightener has a base unit fixed at a load-bearing constructional unit of a vehicle. A movable unit can be firmly rotatable, axially moved and is in effective connection with a endless belt. A rotatable shaft unit (5) is provided at the base unit. The shaft of the movable unit is designed as a hollow shaft, and a torsional spring exteriorly covers the movable part. The shaft is supported at the movable part by a movable thread.</p>
