Hydraulic tensioner

Details Hydraulic tensioner Hydraulic tensioner

2007-07-31

2007-07-31

Johnson, Vicky A. (Department: 3682)

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

Reexamination Certificate

active

10914452

ABSTRACT:
In a hydraulic tensioner, a check valve provided on the rear end of a circular, cylindrical inner tensioner body, fits into a recess formed in the bottom of a hole in an outer body which receives the inner body. The check valve is radially offset from the center line of the inner body, and its engagement with the recess secures the inner body against rotation relative to the outer body.

REFERENCES:
patent: 7077772 (2006-07-01), Hashimoto et al.
patent: 2004/0092350 (2004-05-01), Hashimoto et al.
patent: 102 14 036 (2002-10-01), None
patent: 0 985 849 (2000-03-01), None
patent: 1 223 364 (2002-07-01), None
patent: 2002-286104 (2002-10-01), None

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