Belt tensioner and method of making the same

Details Belt tensioner and method of making the same Belt tensioner and method of making the same

1985-01-14

1986-01-07

Braun, Leslie A.

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Guide roll mounted for movement of its axis along arcuate...

474115, 474133, F16H 712, F16H 714

Patent

active

045631670

ABSTRACT:
A tensioner for a power transmission belt that is adapted to be operated in an endless path and a method of making the same are provided, the tensioner comprising a support unit for being fixed relative to the belt, a belt engaging unit carried by the support unit and being movable relative thereto, a mechanical spring unit operatively associated with the support unit and the belt engaging unit for urging the belt engaging unit relative to the support unit and against the belt with a force to tension the belt, and a fluid dampening unit operatively associated with the support unit and the belt engaging unit to dampen the movement of the belt engaging unit relative to the support unit in at least one direction of movement thereof, the fluid dampening unit comprising a rotary dampening unit. The rotary dampening unit and the spring unit are coaxially aligned. The support unit has an opening passing therethrough for receiving a fastening member that will fasten the support unit to a vehicle bracket or the like. The opening is disposed coaxially through the rotary dampening unit and the spring unit.

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