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Patent Searching and Data


Title:
SHOCK ABSORBER
Document Type and Number:
WIPO Patent Application WO/2019/176784
Kind Code:
A1
Abstract:
This shock absorber (10) comprises a bearing unit (140) having a bearing (142) and a bearing holding member (141), and a seal unit (130) having a seal member (132) and a seal holding member (131). The seal holding member (131) has a seal accommodation part (134) in which the seal member (132) is accommodated, and an insertion hole (138) into which a piston rod (3) is inserted. The seal member (132) is pressed against the outer circumferential surface of the piston rod (3) and against the seal accommodation part (134) by the pressure of a working fluid in an extension-side chamber (61). The bearing (142) is provided such that one end surface (142a) of the bearing (142) facing the seal member (132) coincides with the opening surface (160a) of a through-hole (160) of the bearing holding member (141), or protrudes from the opening surface (160a) of the through-hole (160).

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Inventors:
CHO, Gai (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
KUBOTA, Naoki (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
MIWA, Masahiro (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
Application Number:
JP2019/009395
Publication Date:
September 19, 2019
Filing Date:
March 08, 2019
Export Citation:
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Assignee:
KYB CORPORATION (World Trade Center Bldg, 4-1 Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
International Classes:
F16F9/36; F16F9/32; F16F9/58; F16J15/18
Foreign References:
JP2011214639A2011-10-27
JPH09329177A1997-12-22
JP2016125513A2016-07-11
JP2015218817A2015-12-07
JP2005023966A2005-01-27
JP2011094749A2011-05-12
JPS631943U1988-01-08
JP2017032079A2017-02-09
Attorney, Agent or Firm:
GOTOH & PARTNERS (Shoyu-Kaikan, 3-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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