Title:
SHOCK ABSORBER
Document Type and Number:
WIPO Patent Application WO/2019/230190
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a shock absorber which ensures provision of strength and which can be made light-weight. In the present invention, a tubular outer cylinder 113 for housing a damping mechanism has a pair of knuckle attachment parts 104a, 104b protruding in one direction from the exterior surface of the outer cylinder 113 and being provided integrally with the outer cylinder 113. The knuckle attachment parts 104a, 104b have respective wide-width surfaces facing each other, and the wide-width surfaces are provided along the axial direction of the outer cylinder 113. When the thickness of the outer cylinder 113 on the sides of the knuckle attachment parts 104a, 104b on a virtual line connecting the central axis of the outer cylinder 113 and the middle point between the two facing surfaces of the knuckle attachment parts 104a, 104b is defined as ta, and the thickness of the outer cylinder 113 on the opposite sides of the knuckle attachment parts 104a, 104b across the central axis of the outer cylinder 113 is defined as tc, the outer cylinder 113 is configured to have a thick wall part that satisfies the relation: ta>tc.
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Inventors:
NAGAO RIICHI (JP)
YAMAKA KOICHI (JP)
YAMAGUCHI YOSHIHIRO (JP)
ONO TAKAYUKI (JP)
KIKUCHI TOMOKI (JP)
YAMAKA KOICHI (JP)
YAMAGUCHI YOSHIHIRO (JP)
ONO TAKAYUKI (JP)
KIKUCHI TOMOKI (JP)
Application Number:
PCT/JP2019/015088
Publication Date:
December 05, 2019
Filing Date:
April 05, 2019
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F16F9/54; B60G15/06; F16F9/32
Domestic Patent References:
WO2014129543A1 | 2014-08-28 |
Foreign References:
JPH04158946A | 1992-06-02 | |||
JP2016183698A | 2016-10-20 | |||
JP2004197847A | 2004-07-15 | |||
JP2016061314A | 2016-04-25 | |||
JPS5716641U | 1982-01-28 | |||
JP2013181579A | 2013-09-12 | |||
JP2013199947A | 2013-10-03 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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