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:
Aug. 04, 2009
Filed:
Oct. 29, 2007
Hidebumi Seki, Tokyo, JP;
Hiroyuki Sakai, Tokyo, JP;
Tomohiro Rokugawa, Tokyo, JP;
Nagano Keiki Co., Ltd., Tokyo, JP;
Abstract
A detector () includes: a joint () mounted on a fluid pipe; a case () mounted on the joint () to house a sensor (); a holder () attached to the case () and housing a circuit board (); and a cover () attached to the holder () and integrated with a light-shielding plate (). An annular first lug (), a leaf spring () having a projection () and a rotation restrainer which projects further from the first lug () along an inner circumferential side thereof are integrally formed on the holder (). An annular first recess () to be engaged with the first lug () is formed on the case (). A groove () is formed on an inner surface of the first recess. An annular second recess () is provided on an inner circumferential side of the first recess (). A riser portion () is provided to a bottom surface thereof.