Title:
CYLINDER DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/110641
Kind Code:
A1
Abstract:
Provided is a cylinder device which satisfies specifications required for each portion and which enables a piston rod to be manufactured at low cost.
A cylinder device is provided with: a hollow cylinder in which an operating fluid is sealed; a piston inserted in a slidable manner in the cylinder; a rod guide provided at the opening of the cylinder; and a piston rod which has on one end side thereof a piston mounting section connected to the piston, and which has on the other end side thereof a vehicle body-side mounting section extending through a rod guide to the outside of the cylinder and mounted to the vehicle body side. The piston rod is formed by joining a piston mounting member which has a piston mounting section, and a vehicle body-side mounting member which has a vehicle body-side mounting section. The hardness of the vehicle body-side mounting member is higher than that of the piston mounting member.
Inventors:
OMATA YASUHISA (JP)
KOBAYASHI YUICHI (JP)
SUGASHI TAKUMA (JP)
KOBAYASHI YUICHI (JP)
SUGASHI TAKUMA (JP)
Application Number:
PCT/JP2016/087325
Publication Date:
June 29, 2017
Filing Date:
December 15, 2016
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F16F9/32
Foreign References:
| JPS5836644U | 1983-03-10 | |||
| JP2013181561A | 2013-09-12 | |||
| JP2001018129A | 2001-01-23 | |||
| JP2000161414A | 2000-06-16 | |||
| JPH053708U | 1993-01-22 | |||
| JPH11218106A | 1999-08-10 | |||
| DE10320002A1 | 2004-11-25 |
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
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