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Patent Searching and Data


Title:
PRESSURE DAMPING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/151870
Kind Code:
A1
Abstract:
A hydraulic damping device 1 is provided with: a first cylinder 11 for containing oil; a rod member 21 which is inserted in the first cylinder 11 toward one side thereof, protrudes on the other side of the first cylinder 11 to the outside thereof, and is provided movable relative to the first cylinder 11; a rod guide 15 which has a through-hole for allowing the rod member 21 to pass therethrough and which covers the other side of the first cylinder 11; an oil seal 16 which is provided on the other side of the first cylinder 11 at a position radially outside the rod member 21; a groove 157T which forms a flow passage for oil flowing from the inside of the first cylinder 11 toward the oil seal 16; and a small-diameter section T2 which throttles the flow of the oil flowing through the groove 157T. As a result, in the pressure damping device, an appropriate amount of liquid is supplied to the seal member.

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Inventors:
SHIBASAKI KUNIO (JP)
SHIROTANI TETSUYA (JP)
Application Number:
PCT/JP2015/060573
Publication Date:
September 29, 2016
Filing Date:
April 03, 2015
Export Citation:
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Assignee:
SHOWA CORP (JP)
International Classes:
F16F9/32; F16F9/18; F16F9/36
Foreign References:
JPS60152504U1985-10-11
JP2009287719A2009-12-10
JP2005321020A2005-11-17
Attorney, Agent or Firm:
FURUBE, Jiro et al. (JP)
Jiro Furube (JP)
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