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:
Apr. 14, 2009
Filed:
Jul. 12, 2007
Daigo Aiba, Saitama, JP;
Daigo Aiba, Saitama, JP;
Fujinon Corporation, Saitama-shi, JP;
Abstract
A diaphragm device is provided and includes: a diaphragm mechanism having a diaphragm vane and a diaphragm frame receiving the diaphragm vane; a diaphragm-mechanism cover fixed to a lens barrel to which the diaphragm mechanism is attached, the diaphragm-mechanism cover clamping the diaphragm mechanism with a receiving surface of the lens barrel. The diaphragm mechanism and the diaphragm-mechanism cover are inserted in the lens barrel through a side surface of the lens barrel, and a part of the diaphragm mechanism and a part of the diaphragm-mechanism cover protruding outward relative to the side surface of the lens barrel. The diaphragm device further includes a supporting member in a portion of the diaphragm mechanism protruding outward relative to the side surface of the lens barrel, the supporting member supporting the diaphragm mechanism in a direction of the diaphragm mechanism detachable from the lens barrel.