| 摘要 |
A tensioner (1, 1') for a traction mechanism such as a belt, chain or the like, with a tensioning lever (4) which can be acted on by a helical spring (2), can pivot about a stationary shaft and on which a tensioning element is provided for abutment against the traction mechanism to be tensioned. The helical spring (2) is held at its ends by spring receptacles (6, 7) and a means (8, 9, 71) is provided for delimiting the spring excursion.
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