Hydraulic tensioner

Details Hydraulic tensioner Hydraulic tensioner

2009-01-15

2011-10-11

Kim, Sang (Department: 3654)

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

C474S109000, C474S111000

Reexamination Certificate

active

08033938

ABSTRACT:
In a hydraulic tensioner, at least a part of a bar is located within a coil spring that biases a plunger in the protruding direction. The bar reduces the volume of the high pressure oil chamber of the tensioner.

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Yuji Kurematsu and Katsuji Shigematsu, Hydraulic Tensioner, U.S. Appl. No. 12/354,460, application filed Jan. 15, 2009.
Yuji Kurematsu, Hydraulic Tensioner, U.S. Appl. No. 12/354,909, application filed Jan. 16, 2009.

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