Hydraulic tensioner with piston retention stop

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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Details

474111, 474138, F16H 708

Patent

active

057002150

ABSTRACT:
A hydraulic tensioner having a slidable plunger in a housing, a shaft stopper ring on the rear-end of the plunger, and a stopper screw fastened to the housing that can engage with the shaft stopper ring at the retracted position of the plunger. Packing is provided to seal a clearance between the stopper screw and the housing when the stopper screw is in its engagement position with the housing.

REFERENCES:
patent: 4772251 (1988-09-01), Goppelt et al.
patent: 4792322 (1988-12-01), Goppelt et al.
patent: 4863417 (1989-09-01), Kimata et al.
patent: 4911680 (1990-03-01), Kodama et al.
patent: 4940447 (1990-07-01), Kawashima et al.
patent: 4985009 (1991-01-01), Schmidt et al.
patent: 5601505 (1997-02-01), Tada

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