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:
Aug. 20, 2013
Filed:
Nov. 22, 2010
Yoshikuni Ishikawa, Tokyo, JP;
Yu Wakabayashi, Kanagawa-ken, JP;
Toshiaki Takahashi, Tokyo, JP;
Manabu Nonaka, Kanagawa-ken, JP;
Yoshikuni Ishikawa, Tokyo, JP;
Yu Wakabayashi, Kanagawa-ken, JP;
Toshiaki Takahashi, Tokyo, JP;
Manabu Nonaka, Kanagawa-ken, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A sheet feeding device includes a sheet carrying unit and an attraction separation and conveyance device. The sheet carrying unit is configured to carry thereon a sheet stack. The attraction separation and conveyance device is configured to electrostatically attract the uppermost sheet of the sheet stack and separate and convey the uppermost sheet from the sheet stack, and is placed between the upstream end and the central position in a sheet conveying direction of the sheet stack located at a sheet carrying position and having a minimum sheet size compatible with the sheet feeding device.