Tensioner for belts

Details Tensioner for belts Tensioner for belts

1989-07-13

1990-03-27

Bui, Thuy M.

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Tension adjuster or shifter driven by electrical or fluid motor

474138, F16H 708

Patent

active

049116797

ABSTRACT:
A hydraulically damped tensioner for a belt transmission system. A piston slidable with clearance in a cylinder form front and rear oil-filled chambers communicating through a passage in the piston with a check valve for restricting flow from the rear chamber to the front chamber. A piston rod is urged through the front chamber and against a roller by a spring in the rear chamber imparting tension on the belt. An opening, sealed by a removable plug, communicate with the front chamber to provide access for filling oil in both chambers.

REFERENCES:
patent: 4539001 (1985-09-01), Okabe
patent: 4674996 (1987-06-01), Anno et al.
patent: 4708696 (1987-11-01), Kimura et al.
patent: 4798563 (1989-01-01), Okabe et al.

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