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. 16, 2010
Filed:
Jun. 08, 2007
Applicants:
Tadao Endoh, Kuki, JP;
Akihiro Kimura, Bandou, JP;
Inventors:
Tadao Endoh, Kuki, JP;
Akihiro Kimura, Bandou, JP;
Assignee:
Kyosan Denki Co., Ltd., Koga, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A valve includes a valve element; a valve seat; a coil spring; and a spring bearing portion. The coil spring, provided between the valve element and the spring bearing portion, presses the valve element toward the valve seat. An effective upper winding end of the coil spring and an effective lower winding end of the coil spring are offset from each other by 180 degrees in a plan view.