Cylinder device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12241488
SERIAL NO

18584327

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The cylinder device includes a first piston fitted in a first cylinder to be slidable, a piston rod connected to the first piston, and a stopper mechanism which operates when the first piston reaches a predetermined position on a first end portion side of one axial end of the first cylinder during an extension stroke or a compression stroke, in which the stopper mechanism includes a second cylinder provided on the first end portion side of the first cylinder and a second piston provided to be movable according to movement of the piston rod and able to fit into the second cylinder, and one end of the second piston on the first end portion side comes into contact with a rod flange part between a rod first outer diameter part of the piston rod and a rod second outer diameter part.

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Patent Owner(s)

  • HITACHI ASTEMO, LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Feldkamp, Andrew Dexter, US 4 13

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