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.
Patent No.:
Date of Patent:
Dec. 01, 2020
Filed:
Jun. 27, 2017
Applicant:
Smc Corporation, Chiyoda-ku, JP;
Inventor:
Tsukasa Odaka, Tsukubamirai, JP;
Assignee:
SMC CORPORATION, Chiyoda-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B 15/14 (2006.01); F16J 9/12 (2006.01); F15B 15/28 (2006.01); F16J 1/00 (2006.01);
U.S. Cl.
CPC ...
F15B 15/1452 (2013.01); F15B 15/14 (2013.01); F15B 15/2861 (2013.01); F16J 1/005 (2013.01); F16J 9/12 (2013.01);
Abstract
A hydraulic fluid cylinder is equipped with a cylinder tube, a piston unit, and a piston rod. The piston unit has a piston body comprising a plurality of members and provided with a gasket-mounting groove. The piston body has a first piston member and a second piston member which are layered in the axial direction. The gasket-mounting groove is formed from a combination of at least two members. A thin section exhibiting depth in the axial direction is provided in the first piston member and/or the second piston member.