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:
Jan. 09, 2007
Filed:
Oct. 25, 2004
Satoshi Onishi, Sakai, JP;
Atsushi Matsuura, Sakai, JP;
Satoshi Onishi, Sakai, JP;
Atsushi Matsuura, Sakai, JP;
Konica Minolta Opto, Inc., Tokyo, JP;
Abstract
An aperture stop mechanism is composed of a small number of components, and accurately controls the position of a member that defines the rim of an aperture. The aperture stop mechanism () includes an aperture base plate (), two aperture blades (), and a motor(). The aperture blades () are individually pivotable about pins () provided on the aperture base plate (). One aperture blade () has two gears () formed along arcs about the pin () with different pitch circle radii. The other aperture blade () has a gear along an arc about the pin (). The gear () meshes with a motor gear (), and the gear () meshes with the gear ().