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. 23, 2011
Filed:
May. 01, 2009
Takashi Saito, Kanagawa, JP;
Masahiro Tamura, Kanagawa, JP;
Nobuyoshi Suzuki, Tokyo, JP;
Shuuya Nagasako, Kanagawa, JP;
Naohiro Kikkawa, Kanagawa, JP;
Kazuhiro Kobayashi, Kanagawa, JP;
Tomohiro Furuhashi, Kanagawa, JP;
Hitoshi Hattori, Tokyo, JP;
Junichi Tokita, Kanagawa, JP;
Akira Kunieda, Tokyo, JP;
Ichiro Ichihashi, Aichi, JP;
Hiroshi Maeda, Gifu, JP;
Atsushi Kuriyama, Aichi, JP;
Takashi Saito, Kanagawa, JP;
Masahiro Tamura, Kanagawa, JP;
Nobuyoshi Suzuki, Tokyo, JP;
Shuuya Nagasako, Kanagawa, JP;
Naohiro Kikkawa, Kanagawa, JP;
Kazuhiro Kobayashi, Kanagawa, JP;
Tomohiro Furuhashi, Kanagawa, JP;
Hitoshi Hattori, Tokyo, JP;
Junichi Tokita, Kanagawa, JP;
Akira Kunieda, Tokyo, JP;
Ichiro Ichihashi, Aichi, JP;
Hiroshi Maeda, Gifu, JP;
Atsushi Kuriyama, Aichi, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
A sheet stacking unit that stacks sheets thereon is movable up and down. A lifting unit moves the sheet stacking unit up and down. A driving unit drives the lifting unit. A control unit controls a driving speed of the driving unit. A position detecting unit detects a position of the sheet stacking unit in an up-and-down direction. The control unit controls the driving speed according to the position of the sheet stacking unit detected by the position detecting unit.