Belt tensioning system, tensioner and parts therefor and methods

Details Belt tensioning system, tensioner and parts therefor and methods Belt tensioning system, tensioner and parts therefor and methods

1989-03-14

1989-11-28

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

048834467

ABSTRACT:
A belt tensioning system, tensioner and parts therefor and methods of making the same are provided, the system comprising a support unit, an endless transmission belt construction carried by the support unit and arranged to move in a certain path, an arm pivotally mounted to the support unit, a pulley rotatably carried by the arm and being in engagement with the belt construction, and an actuator carried by the support unit and having opposed ends, the actuator having a movable piston projecting out of one of the opposed ends thereof and being in engagement with the arm to pivot the arm in a direction to urge the pulley into the belt construction as the piston is extended outwardly from the one end of the actuator, the other of the opposed ends of the actuator being pivotally mounted to the support unit whereby the actuator pivots relative to the support unit as the piston thereof extends and retracts at the one end thereof.

REFERENCES:
patent: 4573952 (1986-03-01), Schulze
patent: 4657524 (1987-04-01), Okabe
patent: 4702726 (1987-10-01), Ojima et al.
patent: 4722720 (1988-02-01), Ojima et al.
patent: 4743224 (1988-05-01), Yoshikawa et al.
patent: 4743225 (1988-05-01), Okabe

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