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:
Dec. 29, 2015
Filed:
Feb. 11, 2014
Panasonic Corporation, Osaka, JP;
Dai Shintani, Osaka, JP;
Abstract
A focal plane shuttering apparatus includes: front and rear curtains; a first elastic member which generates biasing force to make the front curtain run in such a direction as to get the front curtain retracted from an aperture; a second elastic member which generates biasing force to make the rear curtain run in such a direction as to have the rear curtain cover the aperture; a charging member which applies biasing force to the first and second elastic members; a front curtain locking mechanism which keeps the front curtain retracted from the aperture when the charging member applies biasing force to the first elastic member; a rear curtain locking mechanism which keeps the aperture covered with the rear curtain when the charging member applies biasing force to the second elastic member; and an unlocking member interlocked with the charging member that unlocks the front and rear curtain locking mechanisms.