Title:
CYLINDER DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/221098
Kind Code:
A1
Abstract:
This cylinder device is provided with a stopper mechanism that operates when a piston rod extends and moves toward the upper end in an inner cylinder. The stopper mechanism comprises: a second cylinder that is provided so as to be movable with respect to the piston rod and that has a bottom at the upper end side of the inner cylinder and a cylindrical part extending from the bottom 1 to the lower end side; and a second piston that is provided so as to move in association with the movement of the piston rod and to be fittable to the second cylinder. Further, a spring member 21 is provided between the second cylinder and a rod guide.
Inventors:
INUZUKA TOSHIHIRO (JP)
CARLOS URBAN ANTA (DE)
MAEDA ATSUSHI (JP)
MINAMINO KOJI (DE)
PATWA AAKASH (DE)
CARLOS URBAN ANTA (DE)
MAEDA ATSUSHI (JP)
MINAMINO KOJI (DE)
PATWA AAKASH (DE)
Application Number:
PCT/JP2019/019046
Publication Date:
November 21, 2019
Filing Date:
May 14, 2019
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F16F9/58; F16F9/34; F16F9/49; F16F9/508
Foreign References:
| JP2015072052A | 2015-04-16 | |||
| JPS5648995Y2 | 1981-11-16 | |||
| JP2012092944A | 2012-05-17 | |||
| US20110000753A1 | 2011-01-06 |
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
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