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Patent Searching and Data


Title:
SHOCK ABSORBER
Document Type and Number:
WIPO Patent Application WO/2014/050832
Kind Code:
A1
Abstract:
A shock absorber is provided with: a cylinder; a piston which is inserted into the cylinder in a slidable manner and which divides the inside of the cylinder into an extension-side chamber and a pressure-side chamber; a piston rod which is inserted into the cylinder in a movable manner and which is connected to the piston; an extension-side passage which only permits fluid to flow from the extension-side chamber toward the pressure-side chamber; a pressure-side passage which only permits fluid to flow from the pressure-side chamber toward the extension-side chamber; an extension-side damping valve which applies resistance to the flow of fluid passing through the extension-side passage; a pressure-side damping valve which applies resistance to the flow of fluid passing through the pressure-side passage; an extension-side bypass which bypasses the extension-side passage and which connects the extension-side chamber and the pressure-side chamber; an extension-side relief valve which is provided between the ends of the extension-side bypass and which is opened by pressure in the extension-side chamber and opens the extension-side bypass; a pressure-side bypass which bypasses the pressure-side passage and which connects the extension-side chamber and the pressure-side chamber; and a pressure-side relief valve which is provided between the ends of the pressure-side bypass and which is opened by pressure in the pressure-side chamber and opens the pressure-side bypass.

Inventors:
TERAOKA TAKASHI (JP)
INAMITSU KAZUTAKA (JP)
KAWAKAMI HIDEKI (JP)
Application Number:
PCT/JP2013/075760
Publication Date:
April 03, 2014
Filing Date:
September 24, 2013
Export Citation:
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Assignee:
KAYABA INDUSTRY CO LTD (JP)
International Classes:
F16F9/34
Domestic Patent References:
WO2011071120A12011-06-16
Foreign References:
DE102008043564A12010-05-20
JP2010261547A2010-11-18
JP2003042214A2003-02-13
JP2012214414A2012-11-08
Other References:
See also references of EP 2902657A4
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
Masaki Goto (JP)
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