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:
May. 18, 2004
Filed:
Jul. 22, 2002
Applicant:
Inventors:
Yoshio Osawa, Saitama, JP;
Koichi Mori, Saitama, JP;
Assignee:
Eagle Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 3/16 ;
U.S. Cl.
CPC ...
F16K 3/16 ;
Abstract
A gate valve having a valve body, a valve rod, a regulation device, a cam mechanism and a drive for supplying a straight-move force to the cam mechanism is provided. The valve rod is held so that it can move in a straight-move direction of opening and closing the valve via a pair of linear guides provided on both sides of the valve rod.