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US 10,883,575 B2Granted
Tensioner
AssigneeThe Gates Corporation
InventorsYahya Hodjat, Lynda Elsas
Life of this patent
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Abstract
A tensioner comprising a base, a pivot arm pivotally engaged with the base, a pulley journalled to the pivot arm, a torsion spring engaged between the base and the pivot arm, the torsion spring comprising a planar cylindrical portion integrally formed into an end of the torsion spring, and a damping member engaged with the planar cylindrical portion, the damping member frictionally engaging the base and being loaded in an unwinding direction.
Claims6
A tensioner comprising:
- a base;
- a pivot arm pivotally engaged with the base;
- a pulley journalled to the pivot arm;
- a removable member disposed between the base and the pivot arm;
- a torsion spring engaged between the base and the pivot arm for biasing the pivot arm, the torsion spring loaded in an unwinding direction and having an arcuate planar end different in shape from the rest of the torsion spring;
- and
- a damping member integrally fixed to the arcuate planar end of the torsion spring, the damping member frictionally engaging the base and damping an oscillatory movement of the pivot arm.
4 more elements
Dependencies are inferred from the claim text.