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:
May. 12, 2020
Filed:
Jan. 09, 2019
Canon Denshi Kabushiki Kaisha, Chichibu-shi, JP;
Hisatoshi Ito, Saitama, JP;
Yuki Saito, Yokohama, JP;
Naoki Kawakubo, Yokohama, JP;
Kentaro Kato, Tokyo, JP;
Takahiro Arai, Kawasaki, JP;
Canon Denshi Kabushiki Kaisha, Chichibu-shi, JP;
Abstract
A blade driving device including, a base plate including an opening through which light passes, a blade configured to runs on a surface of the base plate to open and close the opening, a drive mechanism including a drive spring and actuates the blade; and a charge mechanism configured to perform a charge operation on the drive mechanism against the drive spring. The charge mechanism includes a slide member configured to linearly reciprocate in a direction parallel to the base plate along a motor between the motor and the drive mechanism, the motor generating a driving force for the charge mechanism.