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:
Jul. 26, 2022
Filed:
Nov. 24, 2020
Kimiharu Yamazaki, Kanagawa, JP;
Hideyo Makino, Tokyo, JP;
Susumu Mikajiri, Tokyo, JP;
Satoshi Nakayama, Kanagawa, JP;
Kohta Aoyagi, Kanagawa, JP;
Hiroki Yamamura, Tokyo, JP;
Kimiharu Yamazaki, Kanagawa, JP;
Hideyo Makino, Tokyo, JP;
Susumu Mikajiri, Tokyo, JP;
Satoshi Nakayama, Kanagawa, JP;
Kohta Aoyagi, Kanagawa, JP;
Hiroki Yamamura, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A conveyance device includes a conveyance roller pair to convey a recording medium to an image reading position of an image reading unit. The conveyance roller pair includes a drive roller and a driven roller. The driven roller contacts the drive roller and rotates following the drive roller. The drive roller has a diameter satisfying a relation in which a detection mark on the recording medium is on a position away from a leading end of the recording medium by an integral multiple of a circumference of the drive roller in a conveyance direction of the recording medium.