HYDRAULIC SHOCK ABSORBER

WIPO Patent Application WO/2011/086780

A1

Provided is a hydraulic shock absorber such that an oil film stuck to the outer periphery of a rod is removed to the utmost, resulting in the oil outflow amount being reduced, and that at the same time, it is made possible to secure satisfactory slidability between said rod and a rod gasket and to prevent wear of said rod gasket. A first lip (26) for scraping off the oil film (7a) which is stuck to the outer periphery of the rod (11) is formed in the rod gasket (20), which is interposed between the outer periphery of the rod (11) and the inner periphery of a rod side end wall (3). Furthermore, a ring-shaped grease retaining member (28) which supplies retained grease to the outer periphery of the rod (11) is provided. Said grease retaining member (28) is made to contact the outer periphery of the rod (11) at a position nearer the rod tip than is the first lip (26).

JPH0849766	PISTON AND BAND USED THEREFOR
JPS5922085	[Title of the device] An oil seal device of a front fork
WO/2006/088702	IMPROVED ISOLATOR USING EXTERNALLY PRESSURIZED SEALING BELLOWS

MIYASATO EIKO (JP)
HIROKI AKIRA (JP)
KANEKO JUNYA (JP)
TAKAKUWA YOUJI (JP)
MONDEN KENGO (JP)
ISHIKAWA MASAYUKI (JP)
KESSOKU MARIKO (JP)

PCT/JP2010/071456

July 21, 2011

December 01, 2010

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SMC CORP (JP)
MIYASATO EIKO (JP)
HIROKI AKIRA (JP)
KANEKO JUNYA (JP)
TAKAKUWA YOUJI (JP)
MONDEN KENGO (JP)
MASAYUKI ISHIKAWA (JP)
KESSOKU MARIKO (JP)

F16F9/36; F16J15/3232; F16J15/324; F16J15/447

JPS5895385U	1983-06-28
JP2004011786A	2004-01-15
JPH0224136U	1990-02-16

HAYASHI Hiroshi et al. (JP)
林宏 (JP)

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