Ratcheting hydraulic chain tensioner with rotational reset...

Details Ratcheting hydraulic chain tensioner with rotational reset... Ratcheting hydraulic chain tensioner with rotational reset...

2005-02-08

2005-02-08

Charles, Marcus (Department: 3682)

Endless belt power transmission systems or components

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

Load responsive tension adjuster or shifter

C474S110000

Reexamination Certificate

active

06852049

ABSTRACT:
A hydraulic chain or belt tensioner includes a ratchet-pawl interface on the piston skirt that can be reset to a locked position by rotating the piston and compressing it until locked. The tensioner preferably includes at least one flat on the piston. The flat prevents the piston from rotating axially and locks the piston into place. The locked position is especially useful for shipping the tensioner.

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