Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – Load responsive tension adjuster or shifter
Reexamination Certificate
2011-08-23
2011-08-23
Kim, Sang (Department: 3654)
Endless belt power transmission systems or components
Means for adjusting belt tension or for shifting belt,...
Load responsive tension adjuster or shifter
C474S110000, C474S111000
Reexamination Certificate
active
08002656
ABSTRACT:
A tensioner for an endless transmission belt includes a plunger body and a plunger. The plunger is movably provided in the plunger body to press the endless transmission belt. A pressure chamber provided between the plunger and the plunger body is configured to store hydraulic oil supplied from an oil pump. A check valve is provided in the plunger body, configured to be opened to supply the hydraulic oil to the pressure chamber when a pressure in the pressure chamber is lower than an oil pressure from the oil pump, and configured to be closed when the pressure is higher than the oil pressure. A relief valve is provided in the plunger body within a width of the plunger in a direction orthogonal to a longitudinal direction of the plunger and configured to discharge the hydraulic oil in the pressure chamber when the pressure exceeds a predetermined value.
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Emizu Osamu
Fukuyoshi Yasuhiro
Kudo Takao
Niimura Ryuta
Yamaura Hiroshi
Ditthavong Mori & Steiner, P.C.
Honda Motor Co. Ltd.
Kim Sang
LandOfFree
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