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:
Jan. 28, 2014
Filed:
May. 27, 2011
Mamoru Kambayashi, Tokyo, JP;
Motoya Sano, Kanagawa, JP;
Hideki Tobinaga, Tokyo, JP;
Shinya Kitaoka, Kanagawa, JP;
Atsushi Kanaya, Kanagawa, JP;
Norio Kimura, Kanagawa, JP;
Michitaka Suzuki, Kanagawa, JP;
Yoshito Suzuki, Kanagawa, JP;
Mamoru Kambayashi, Tokyo, JP;
Motoya Sano, Kanagawa, JP;
Hideki Tobinaga, Tokyo, JP;
Shinya Kitaoka, Kanagawa, JP;
Atsushi Kanaya, Kanagawa, JP;
Norio Kimura, Kanagawa, JP;
Michitaka Suzuki, Kanagawa, JP;
Yoshito Suzuki, Kanagawa, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
An automatic document feeder includes a separating and feeding unit which has a separating member and a paper feeding member coming into contact with the separating member at a predetermined separating pressure, and separates and feeds an original sheet by sheet from a bundle of originals placed on an original placing table; a conveying unit which conveys the original separated by the separating and feeding unit toward a scanning position; a separating pressure switching unit which applies and releases the separating pressure and which is controlled by a control unit to release the separating pressure after a leading edge of a preceding sheet of the original has passed through the separating and feeding unit and to apply the separating pressure before a sheet of original separated and fed next to the preceding sheet of original is fed from the bundle of original to the separating and feeding unit.