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:
Feb. 15, 2005
Filed:
Aug. 20, 2002
Hideharu Sato, Tsukuba-gun, JP;
Yoshio Aso, Tsukuba-gun, JP;
Shinichi Yoshimura, Tsukuba-gun, JP;
Takumi Matsumoto, Tsukuba-gun, JP;
Hideharu Sato, Tsukuba-gun, JP;
Yoshio Aso, Tsukuba-gun, JP;
Shinichi Yoshimura, Tsukuba-gun, JP;
Takumi Matsumoto, Tsukuba-gun, JP;
SMC Corporation, Tokyo, JP;
Abstract
To provide an electromagnetic valve where an end cover can easily be fitted into a valve hole, and a valve body can be small-sized. In an electromagnetic valve, an end coverfor closing a hole endof a valve holeformed in a valve bodyis constituted by a lid plate, a plurality of arm piecesprovided so as to extend from a peripheral edge of the lid plate, engagement resilient piecesprovided on a side of an inner face of the lid platefrom the arm piecesin a standing manner, respectively, and which are formed at their distal end portions with engagement clawsexpanding in a taper shape, and a fitting cylindrical portionwhich is provided in a projecting manner on an inner face of the lid platesuch that its height from the inner face is lower than those of the engagement resilient piecesand which is disposed on its outer periphery with a seal member, the fitting cylindrical portionis tightly fitted into the hole endopened in the valve body, and the engagement clawsare engaged with stepped portionsin engagement groovesprovided in a recessed manner in the vicinity of the hole endof the valve body