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:
Jun. 07, 2016
Filed:
May. 19, 2015
Yasuo Niikura, Kanagawa, JP;
Hidetoshi Kojima, Kanagawa, JP;
Yuuta Mori, Kanagwa, JP;
Takashi Fukumoto, Kanagawa, JP;
Kiyotake Nakamura, Kanagawa, JP;
Munehisa Fuda, Kanagawa, JP;
Hideaki Takahashi, Kanagawa, JP;
Hisayoshi Sugawara, Kanagawa, JP;
Kazunori Konno, Kanagawa, JP;
Tatsuya Sugawara, Kanagawa, JP;
Kohjiroh Haga, Kanagawa, JP;
Toshihiro Okutsu, Kanagawa, JP;
Yasuo Niikura, Kanagawa, JP;
Hidetoshi Kojima, Kanagawa, JP;
Yuuta Mori, Kanagwa, JP;
Takashi Fukumoto, Kanagawa, JP;
Kiyotake Nakamura, Kanagawa, JP;
Munehisa Fuda, Kanagawa, JP;
Hideaki Takahashi, Kanagawa, JP;
Hisayoshi Sugawara, Kanagawa, JP;
Kazunori Konno, Kanagawa, JP;
Tatsuya Sugawara, Kanagawa, JP;
Kohjiroh Haga, Kanagawa, JP;
Toshihiro Okutsu, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A sheet feeding device includes: a sheet feeding tray attached to a casing in a manner slidable into and out from the casing and including a stacking plate on which sheets are stacked; a conveying unit configured to convey the sheets in a direction orthogonal to both a sliding direction of the sheet feeding tray and a stacking direction of the sheets; an optional extension unit configured to be removably attached to an upstream side of the stacking plate in a conveying direction, and including an extension plate configured to extend the stacking plate; and a first locking unit configured to be capable of being held in a first lock position where the sheet feeding tray cannot be slide when the optional extension unit is attached while, when the optional extension unit is removed, held in a first unlock position where the sheet feeding tray can be slid.