The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 08, 2022

Filed:

Oct. 04, 2019
Applicant:

Kosmek Ltd., Kobe, JP;

Inventor:

Ryuichi Wada, Kobe, JP;

Assignee:

KOSMEK LTD., Kobe, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 15/14 (2006.01); B25B 5/06 (2006.01); F15B 11/036 (2006.01);
U.S. Cl.
CPC ...
F15B 15/1423 (2013.01); B25B 5/062 (2013.01); F15B 11/0365 (2013.01); F15B 15/1409 (2013.01);
Abstract

A cylinder device includes: a first piston () inserted in a first cylinder hole () so as to be movable in an axial direction, a piston rod () being hermetically inserted in the first piston (), the first piston () being fixed to the piston rod (); a second piston () inserted in a second cylinder hole () so as to be movable in the axial direction, the piston rod () being inserted in the second piston (); and a partition wall () dividing a cylinder hole () into the first cylinder hole () and the second cylinder hole (), the partition wall () being movable in the axial direction.


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