Title:
CYLINDER DEVICE
Document Type and Number:
Japanese Patent JP2018105425
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a cylinder device which enables improvement of workability when components of a stopper mechanism are assembled to a piston rod.SOLUTION: A stopper mechanism 11 has: a second cylinder 12 provided at an end part in an inner cylinder 5; and a second piston 13 which moves in conjunction with movement of a piston rod 7 and is provided so as to fit in the second cylinder 12. The second piston 13 is formed including: a stopper 14 which is coupled to the piston rod 7; a castle 15 forming a ring groove 16 at an outer periphery of the second piston 13; and a piston ring 17 which is provided at the ring groove 16 and restricted from axially moving by the stopper 14 and the castle 15. The stopper 14 and the castle 15 are coupled by press-fitting.SELECTED DRAWING: Figure 1
Inventors:
TSUJITA MASAKI
SAKAMOTO NAOYA
SAKAMOTO NAOYA
Application Number:
JP2016252897A
Publication Date:
July 05, 2018
Filing Date:
December 27, 2016
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD
International Classes:
F16F9/58; F16F9/32
Domestic Patent References:
| JP2015068428A | 2015-04-13 | |||
| JP2006002436A | 2006-01-05 | |||
| JPH11117983A | 1999-04-27 | |||
| JP2015161404A | 2015-09-07 | |||
| JPS62196432A | 1987-08-29 | |||
| JP2004060776A | 2004-02-26 |
Foreign References:
| US20160091046A1 | 2016-03-31 | |||
| WO2016194608A1 | 2016-12-08 |
Attorney, Agent or Firm:
Kazuhiko Hirose
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