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:
Oct. 15, 2024
Filed:
Aug. 13, 2020
Applicant:
Kosmek Ltd., Kobe, JP;
Inventor:
Gaku Yoshimura, Kobe, JP;
Assignee:
KOSMEK LTD., Kobe, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q 3/10 (2006.01); F15B 15/22 (2006.01);
U.S. Cl.
CPC ...
B23Q 3/106 (2013.01); F15B 15/22 (2013.01); B23Q 2703/12 (2013.01);
Abstract
A support rod () is inserted in a housing () so as to be movable in an up-down direction. An actuation chamber () is provided in a lower end portion of the housing (). An output member () is moved upward by pressurized oil supplied to the actuation chamber (). In the actuation chamber (), to which pressurized oil is supplied, a release spring () is attached between a leading end wall () of the actuation chamber () and a flange portion () provided to a base end portion of the output member (). The release spring () biases the output member () downward.