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. 06, 2014
Filed:
Sep. 10, 2010
Hiroaki Yamamoto, Miyagi, JP;
Hiroaki Yamamoto, Miyagi, JP;
Keihin Corporation, Tokyo, JP;
Abstract
In a valve stem connection structure of a pressure reducing valve, an insertion recess portion () opened toward a valve mechanism is coaxially provided in a diaphragm rod (); a reduced diameter stem portion () and a pair of enlarged diameter stem portions () are provided in one end portion of the valve stem (); a holding plate () is inserted into the insertion recess portion () while the reduced diameter stem portion () is loosely inserted into the engaging recess portion (); and an engaging ring () expandable and contractable in a radial direction of the valve stem () is engaged with an arc-shaped first engaging groove () provided in an outer periphery of the holding plate () and an annular second engaging groove () provided in an inner periphery of the insertion recess portion ().