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:
Nov. 20, 2007
Filed:
Sep. 01, 2003
Hideyuki Matsui, Kitakyushu, JP;
Osamu Tokunaga, Kitakyushu, JP;
Hideyuki Matsui, Kitakyushu, JP;
Osamu Tokunaga, Kitakyushu, JP;
Toto Ltd., , JP;
Abstract
A switching valve assemblyfor use in a mixing faucet is disclosed. The switching valve assembly comprises a switching valve assemblyfor use in a mixing faucet, which comprises a manual operation memberadapted to be moved in response to a pressing operation by a user, a push rodhaving a base end joined to the manual operation member, a pilot valvedisposed relative to a distal end of the push rod, a coil springinterposed between the pilot valve and the distal end of the push rod, a diaphragm main valvehaving a pilot-valve port designed such that the pilot valve is selectively brought into contact therewith and separated therefrom, a pressure chamberformed on the side of a back surface of the main valve to contain a part of the push rod, the pilot valve and the coil spring, and a valve seatdesigned such that a front surface of the main valve is selectively seated thereon and unseated therefrom.