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Patent Searching and Data


Title:
CYLINDER DEVICE AND ROD MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/187220
Kind Code:
A1
Abstract:
In this cylinder device, a rod (41) having one end which is joined within a cylinder to a piston and having the other end which protrudes from an opening of the cylinder has: a first member (42) which is a hollow circular cylindrical member in sliding contact with a sliding contact member; and a second member (43) which is not in sliding contact with the sliding contact member. The outer diameter of the end of the second member (43) on at least the first member (42) side is smaller than the outer diameter of the first member (42). The inner peripheral section of the first member (42) and the outer peripheral section of the second member (43) are joined by friction welding.

Inventors:
OMATA Yasuhisa (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
KUBO Naoya (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
KOMATSU Toshifumi (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
AKAI Ikuo (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
Application Number:
JP2018/034745
Publication Date:
October 03, 2019
Filing Date:
September 20, 2018
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD. (2520, Takaba Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
International Classes:
F16F9/32; B23K20/12
Foreign References:
JPS57127939U1982-08-10
JPS63256287A1988-10-24
JPS58175886U1983-11-24
JP2000161414A2000-06-16
JPS504829B11975-02-24
JPS5836644U1983-03-10
JP2010525255A2010-07-22
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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