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Patent Searching and Data


Title:
SHOCK ABSORBER
Document Type and Number:
WIPO Patent Application WO/2019/163704
Kind Code:
A1
Abstract:
In the present invention a chamfered portion is formed on the inner circumferential side of an end surface of a cylinder, thereby providing an annular passage which is an air-venting structure at the outer circumference of a fitting portion of a partition part; thus, a step for forming a groove on the partition part after molding is not necessary.

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Inventors:
TAKAHASHI, Kazuki (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
IGARASHI, Yasuhiro (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
Application Number:
JP2019/005816
Publication Date:
August 29, 2019
Filing Date:
February 18, 2019
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD. (2520, Takaba Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
International Classes:
F16F9/34; F16F9/32
Domestic Patent References:
WO2017022494A12017-02-09
Foreign References:
JP2009243634A2009-10-22
Attorney, Agent or Firm:
ONO, Shinjiro et al. (YUASA AND HARA, Section 206 Shin-Otemachi Bldg., 2-1, Otemachi 2-chome, Chiyoda-k, Tokyo 04, 〒1000004, JP)
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