Method of making a belt tensioner with a rotary fluid dampener

Details Method of making a belt tensioner with a rotary fluid dampener Method of making a belt tensioner with a rotary fluid dampener

1985-03-11

1986-10-07

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Assembling or joining

192 12A, 192 12C, 192 7016, 1921061, 464 24, 464 59, 474111, 474138, 474140, B23P 1100

Patent

active

046150960

ABSTRACT:
A method of making a tensioner for a power transmission belt that is adapted to be operated in an endless path is provided and comprises the steps of providing a support unit for being fixed relative to the belt, providing a belt engaging unit to be carried by the support unit and be movable relative thereto, operatively associating a mechanical spring unit 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, operatively associating a fluid dampening unit 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 thereof, forming the mechanical spring unit to comprise a pair of springs disposed in substantially parallel spaced relation, disposing at least a part of the fluid dampening unit between the springs and in substantially parallel relation therewith, and forming the fluid dampening unit to comprise a rotary dampening unit.

REFERENCES:
patent: 3574418 (1971-04-01), Okabe
patent: 3653228 (1972-04-01), Tiberlo
patent: 3685621 (1972-08-01), Gulick et al.
patent: 3802286 (1974-04-01), Winklhofer et al.
patent: 3975965 (1976-08-01), Speer
patent: 4148200 (1979-04-01), Schallburn et al.

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