Belt tensioner

Details Belt tensioner Belt tensioner

F - Mech Eng,Light,Heat,Weapons

16

H

74/261

F16H 7/08 (2006.01) F16H 7/12 (2006.01)

Patent

CA 1324008

ABSTRACT OF THE DISCLOSURE A belt tensioner comprises a support for being fixed relative to a belt, a belt engagement carried by the support and being movable relative to the support, a mechanical spring operatively associated with the support and the belt engagement for urging the belt engagement against the belt with a force to tension the belt, and a frictional dampening element operatively associated with the support and the belt engagement to dampen the movement of the belt engagement relative to the support in at least one direction of the movement. The belt engagement comprises a pulley rotatably supported around the second longitudinal axis and engaged to the belt. The dampening element comprises at lesat one hole opening at an edge of a side in which the belt engagement faces to the substrate of the support, and being formed in parallel with the longitudinal axis of the shaft, a friction element stored in the hole or holes movably in a longitudinal direction and being in contact with the surface of the substrate, and an urging element, stored in the hole or holes and being adjacent to the friction element, for urging the friction element toward the substrate to press the friction element toward the surface of the substrate.

612409

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