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

1990-09-11

1991-05-14

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 708

Patent

active

050152173

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 unit carried by the support and being movable relative thereto, a spring operatively associated with the support and the belt engaging unit for urging the belt engaging unit relative to the support and against the belt with the force to tension the belt, the support comprising a housing containing the spring and an arm plate that is interconnected to the housing by a shaft of the support, the belt engaging unit comprising an arm rotatably mounted on the shaft and having a portion disposed intermediate the arm plate and the housing so as to be rotatable thereto, and a bushing disposed between the portion of the arm and the arm plate to facilitate movement therebetween, the arm plate having an extension extending around the portion of the arm and being operatively interconnected to the housing to tend to prevent cocking of the arm on the shaft when the belt engaging unit is tensioning the belt.

REFERENCES:
patent: 4285676 (1981-08-01), Kraft
patent: 4473362 (1984-09-01), Thomey et al.
patent: 4551120 (1985-11-01), Thomey
patent: 4661087 (1987-04-01), Henderson
patent: 4950207 (1990-08-01), Henderson
patent: 4952197 (1990-08-01), Henderson

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