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:
Jun. 13, 2017
Filed:
Dec. 30, 2015
Nidec Copal Corporation, Tokyo, JP;
Yasuo Tanaka, Tokyo, JP;
NIDEC COPAL CORPORATION, Tokyo, JP;
Abstract
A focal plane shutter is provided with a switching mechanism having an electromagnet and a stopping member. The stopping member is provided with an engaging portion able to lock an engagement portion provided in a first driving member for a leading edge, and an operating portion wherein a direction of a force, in relation to the electromagnet, switches, in accordance with switching between an application and removal of an electric current in a single direction to the electromagnet, so as to move the engaging portion to a position wherein it is able to release locking of the engagement portion when the electric current is applied, and to move the engaging portion to a position wherein it is able to lock the engagement portion when the electric current is removed.