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:
Apr. 12, 2005
Filed:
Apr. 18, 2003
Applicant:
Masao Kajitani, Noda, JP;
Inventor:
Masao Kajitani, Noda, JP;
Assignee:
SMC Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K047/00 ;
U.S. Cl.
CPC ...
Abstract
A chamber port to which a vacuum chamber is connected and a pump port to which a vacuum pump is connected are formed on a valve body of a vacuum regulating valve. A valve plug includes a plate and a nose which is connected to the plate by screw members, and closes the chamber port by a pressure fluid. The maximum outer diameter of the nose is smaller than the inner circumferential diameter of the chamber port. The nose is detached through the chamber port.