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. 11, 2013
Filed:
Dec. 15, 2011
Shogo Kato, Tokyo, JP;
Shogo Kato, Tokyo, JP;
Mamiya Digital Imaging Co., Ltd, Tokyo, JP;
Abstract
A camera shutter is provided that includes a first drive member operating an opening blade; a first hook holding the first drive member in a charged position; a closing member operating a closing blade; a second drive member displacing the closing blade to position closing the shutter opening by operating the closing member; a second hook holding the second drive member in a charged position, and a magnet controlling operative timings between the first and second hooks. In operation, the magnet displaces the second hook from a rest position to a charged position and releases the first drive member from the first hook, thereby moving the opening blade. After a predetermined time, the magnet releases the hooking between the second hook and the second driving member such that the closing member is operated by the second driving member, thereby moving the closing blade to the position closing the shutter opening.