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

1989-12-13

1990-08-28

Bui, Thuy M.

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...

F16H 712

Patent

active

049521977

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 having a frictional dampening unit operatively associated with the support unit and the belt engaging unit thereof to dampen the movement of the belt engaging unit relative to the support unit, the dampening unit comprising a pair of frictionally engaging first and second parts with the first part comprising an annular pad of friction material that is coaxially disposed and axially movable on a shaft relative to the second part, and a spring urging the first part against the second part with a certain spring force, the first part of the dampening unit having a guide thereon, the one of the support unit and the belt engaging unit having an opening therein that receives the guide therein from one side thereof to guide axial movement of the first part, a bearing unit disposed in the opening and receiving the guide therein, and a bearing member having the bearing unit on one side thereof and being disposed in the opening from the other side of the one of the support unit and the belt engaging unit.

REFERENCES:
patent: 4596538 (1986-06-01), Henderson
patent: 4728318 (1988-03-01), Henderson
patent: 4784631 (1988-11-01), Henderson

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