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:
Apr. 09, 2013
Filed:
May. 17, 2011
Yuusuke Shibasaki, Kanagawa, JP;
Naohiro Kikkawa, Kanagawa, JP;
Hitoshi Hattori, Tokyo, JP;
Shuuya Nagasako, Kanagawa, JP;
Takashi Saito, Kanagawa, JP;
Naoyuki Ishikawa, Kanagawa, JP;
Hidetoshi Kojima, Miyagi, JP;
Naoki Oikawa, Miyagi, JP;
Go Aiba, Miyagi, JP;
Yuusuke Shibasaki, Kanagawa, JP;
Naohiro Kikkawa, Kanagawa, JP;
Hitoshi Hattori, Tokyo, JP;
Shuuya Nagasako, Kanagawa, JP;
Takashi Saito, Kanagawa, JP;
Naoyuki Ishikawa, Kanagawa, JP;
Hidetoshi Kojima, Miyagi, JP;
Naoki Oikawa, Miyagi, JP;
Go Aiba, Miyagi, JP;
Ricoh Company Limited, Tokyo, JP;
Abstract
A creasing device for creasing sheets on a per-sheet basis, the creasing device includes: a first member extending perpendicularly to a sheet conveying direction and including a male blade, which has a convex cross section; a second member extending perpendicularly to the sheet conveying direction and including a grooved female blade, into which the male blade to be fitted with a sheet between the female blade and the male blade; and a drive unit that brings the first member and the second member relatively into and out of contact with each other to cause a sheet stopped at a predetermined position to be pinched between the first member and the second member and creased. An edge portion of any one of the first member and the second member has an arcuate shape.