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:
Oct. 16, 2018
Filed:
Feb. 23, 2016
Seiko Precision Inc., Matsudo-shi, Chiba, JP;
Seiichi Oishi, Matsudo, JP;
Shoichi Tokura, Matsudo, JP;
SEIKO PRECISION INC., Matsudo-Shi, Chiba, JP;
Abstract
To provide a blade drive device capable of suppressing variations in movement speed of blades at the time of continuous operation and shortening the operation interval of blades. A blade drive deviceincludes a bed platehaving an opening, a blade receiving platearranged so as to face the bed plate, a plurality of bladestoprovided between the bed plateand the blade receiving plate, which are expanded in a state where the openingis closed and are housed while overlapping one another in a state where the openingis opened and a regulating memberhaving an abutting surfaceon which side edge portionstoof the bladestoabut when the blades are housed. The abutting surfaceis an inclined surfaceinclined to the bed plateside as it goes from the bed plateside to the blade receiving plateside.