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

1990-11-20

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...

474117, F16H 712

Patent

active

049715895

ABSTRACT:
A belt tensioner and method of making the same are provided, the tensioner comprising a support for being fixed relative to a belt, a belt engaging arm carried by the support and being movable relative thereto, a spring operatively associated with the support and the belt engaging arm for urging the belt engaging arm relative to the support and against the belt with a force to tension the belt, the support comprising a shaft having a longitudinal axis, the belt engaging arm being rotatably mounted on the shaft, the arm having a bearing surface angled relative to the axis and the support having a bearing surface angled relative to the axis and facing the bearing surface of the arm, and a bushing disposed between the bearing surfaces and in engagement therewith to facilitate movement therebetween and to tend to prevent cocking of the arm on the shaft when the belt engaging arm is tensioning the belt.

REFERENCES:
patent: 4473362 (1984-09-01), Thomey et al.
patent: 4551120 (1985-11-01), Thomey
patent: 4596538 (1986-06-01), Henderson
patent: 4661087 (1987-04-01), Henderson
patent: 4784631 (1988-11-01), Henderson
patent: 4886483 (1989-12-01), Henderson
patent: 4906222 (1990-03-01), Henderson

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