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:
Mar. 17, 2009
Filed:
May. 30, 2006
Tadashi Kusumi, Kanagawa, JP;
Tadashi Kusumi, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A sheet elevating apparatus for use in a sheet tray cassette detachably installable to an image forming apparatus includes an elevation driving source, a first coupling, an elevation member, a second coupling, and an elevation controller. The elevation driving source is mounted to the image forming apparatus. The first coupling is connected to the elevation driving source and has a home position. The elevation member elevates a plurality of recording sheets placed on an elevating base plate of the sheet tray cassette. The second coupling is connected to the elevation member and is engaged with the first coupling set at the home position when the sheet tray cassette is installed in the image forming apparatus. The elevation controller drives the elevation driving source to set the first coupling to the home position when the sheet tray cassette is pulled out.