Belt tensioner, part therefor and methods of making the same

Details Belt tensioner, part therefor and methods of making the same Belt tensioner, part therefor and methods of making the same

1984-07-20

1986-11-25

Staab, Lawrence J.

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...

474133, 474115, F16H 712, F16H 714

Patent

active

046246525

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 force to tension the belt, and a 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, the dampening support unit comprising a shaft. The dampening unit and the spring unit are coaxially spaced apart and coaxially aligned on the shaft with the belt engaging unit having a portion thereof disposed between the dampening unit and the spring unit and being rotatably carried by the shaft.

REFERENCES:
patent: 403048 (1889-05-01), Jones
patent: 447301 (1891-03-01), Dootson
patent: 4285676 (1981-08-01), Kraft
patent: 4413982 (1983-11-01), Foster
patent: 4425103 (1984-01-01), Foster

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