Hydraulic tensioner with external rack

Details Hydraulic tensioner with external rack Hydraulic tensioner with external rack

1999-01-15

1999-11-23

Graysay, Tamara L.

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

474111, 474135, F16H 708

Patent

active

059891394

ABSTRACT:
A hydraulic tensioner having a rack and ratchet system that provides a no-return function, limits maximum piston travel outward from the housing, and retains the piston in place for shipping. The rack and ratchet system includes a ratchet clip with flexible tabs and a plurality of grooves on the outside of a piston.

REFERENCES:
patent: 2210276 (1940-08-01), Bremer
patent: 3081643 (1963-03-01), Huboi et al.
patent: 5030169 (1991-07-01), Kiso et al.
patent: 5649878 (1997-07-01), Noguchi et al.

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