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:
Jun. 11, 2013
Filed:
Apr. 01, 2011
Kazuki Ishikawa, Miyagi, JP;
Kazuki Ishikawa, Miyagi, JP;
Keihin Corporation, Tokyo, JP;
Abstract
A regulator for gas having a diaphragm rod held at the center of a diaphragm of which rim is sandwiched between a body and a cover via diaphragm retainers, and a valve element capable of seating itself at a valve seat fixedly placed in the body with a valve hole opening at the center provided in an intermediate portion of a valve shaft having its one end detachably coupled to the diaphragm rod and its other end slidably fitted in a guide opening provided on the body side, wherein the body () is equipped with a valve action unit () formed by assembling in advance a valve seat member () having a valve hole () and the valve seat () provided thereon, a guide member () having a guide opening () and pressed into the valve seat member (), and a valve shaft () having a valve element () provided thereon in a state of having one end of the valve shaft () projected from the valve hole () and the other end of the valve shaft () slidably fitted into the guide opening () It is thereby possible to reduce machining cost and improve assembly conformance.