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:
Jul. 27, 2004
Filed:
May. 30, 2003
Applicant:
Inventors:
Assignee:
Showa Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H 5/125 ;
U.S. Cl.
CPC ...
B63H 5/125 ;
Abstract
In a marine gas cylinder apparatus provided with a switching valve apparatus capable of switching a communication state among a piston rod side oil chamber, a piston side oil chamber and a gas chamber, an open timing of a poppet valve provided in a communication passage communicated with a gas chamber is made antecedent to an open timing of poppet valves provided in the other communication passages when opening the switching valve apparatus.