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. 04, 2000
Filed:
Nov. 09, 1998
Applicant:
Inventor:
Norikimi Irie, Tokyo, JP;
Assignee:
Irie Koken Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251158 ; 251203 ;
Abstract
A non-sliding vacuum gate valve according to the present invention has a curved cam lead member provided to end of a valve rod, and a pair of rollers provided to a connection rod. The cam lead member and the rollers are engaged with each other and move relatively, so that vertical movement and slant movement of a valve plate and the valve rod are guided.