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. 01, 2005
Filed:
Apr. 21, 2003
Takumi Matsumoto, Tsukuba-gun, JP;
Makoto Ishikawa, Tsukuba-gun, JP;
Takumi Matsumoto, Tsukuba-gun, JP;
Makoto Ishikawa, Tsukuba-gun, JP;
SMC Corporation, Tokyo, JP;
Abstract
A solenoid valve includes a main valve having a valve member which switches over flow paths by contacting with and separating from valve seats in a valve casing, a solenoid operating portion to drive the valve member, and a manually-operated device including an operation rod air-tightly and slidably accommodated in a rod-insertion hole provided in the valve casing and abuts against an end surface of a movable iron core to push the movable iron core in its axial direction, and an operating member movably mounted to a mounting surface of the valve casing to drive the operation rod.