Belt tensioner, actuator therefor and methods of making the same

Details Belt tensioner, actuator therefor and methods of making the same Belt tensioner, actuator therefor and methods of making the same

1995-02-13

1996-03-19

Buiz, Michael Powell

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...

F16H 708

Patent

active

054999502

ABSTRACT:
A belt tensioner, an actuator therefor and methods of making the same are provided, the actuator of the tensioner having a rotatable shaft that is operatively interconnected to a spring and is provided with opposite ends one of which is operatively interconnected to a piston, the actuator having a casing provided with an internal recess therein that receives the other end of the shaft therein, the spring being adapted to rotate the shaft to extend the piston while the other end of the shaft rotates in the recess and bears against an end surface thereof, the other end of the shaft comprising a thrust washer assembled to the shaft to be carried thereby.

REFERENCES:
patent: 4657524 (1987-04-01), Okabe
patent: 4743224 (1988-05-01), Yoshikawa et al.
patent: 4938735 (1990-07-01), Mitchell et al.
patent: 5391118 (1995-02-01), Tsai et al.

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