Tensioner having reservoir cover plate

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

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F16H 700

Patent

active

054414571

ABSTRACT:
In an oil-operated tensioner, oil from s reservoir formed in the tensioner housing passes through a check valve to a chamber behind a spring-urged plunger, which protrudes from the housing to maintain tension in a chain or belt. Instead of the usual press-fit cup for closing the opening of the reservoir, a flat or convex cover plate is fixed to the housing for closing the opening in the reservoir.

REFERENCES:
patent: 4708696 (1987-11-01), Kimura et al.
patent: 4909777 (1990-03-01), Inoue et al.
patent: 5087225 (1992-02-01), Futami et al.
patent: 5090946 (1992-02-01), Futami et al.
patent: 5181889 (1993-01-01), Maruyama et al.
patent: 5193498 (1993-03-01), Futami
patent: 5234383 (1993-08-01), Harada et al.
patent: 5352159 (1994-10-01), Suzuki et al.

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