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:
Oct. 20, 2015
Filed:
Sep. 03, 2013
Nohmi Bosai Ltd., Tokyo, JP;
Kenichi Kato, Tokyo, JP;
NOHMI BOSAI LTD., Tokyo, JP;
Abstract
An aperture member () is configured to be mounted to a receiving portion () provided to a main body (), and includes a lower surface portion () formed into an arc shape. The receiving portion () of the main body () includes a bottom surface portion () formed into a shape corresponding to the arc shape of the lower surface portion () of the aperture member () so as to be brought into contact with the lower surface portion () of the aperture member (). The aperture member () includes a light passage opening () formed so that a center position () thereof substantially matches with a position of a center of curvature of the arc shape of the lower surface portion ().