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

1981-08-27

1984-08-21

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...

188302, 188285, 474136, F16H 712, F16H 710, F16F 916, F16F 948

Patent

active

044668031

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 operated transmitting unit operatively associated with the spring unit and the belt engaging unit for translating motion therebetween whereby the spring unit is adapted to be disposed remote from the belt engaging unit.

REFERENCES:
patent: 2191946 (1940-02-01), Weller
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patent: 4145934 (1979-03-01), Sragal
patent: 4151756 (1979-05-01), Binder et al.
patent: 4249425 (1981-02-01), Watson
patent: 4276038 (1981-06-01), Kraft
patent: 4277240 (1981-07-01), Kraft
patent: 4283181 (1981-08-01), Sproul
patent: 4354595 (1982-10-01), Reynolds
Admitted prior art of mechanical dampening belt tensioner with friction surfaces.

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