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:
Apr. 07, 1998
Filed:
Oct. 03, 1996
Applicant:
Inventor:
Masaru Yamagishi, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399402 ; 399364 ; 271-303 ; 271-907 ;
Abstract
A miniature duplex sheet feeding device for an image forming apparatus is disclosed. A duplex unit is positioned above an ordinary sheet feed tray loaded with a stack of sheets. The duplex unit has an intermediate tray for stacking sheets each carrying an image on one side thereof, and a bottom plate movable back and forth in an intended direction of sheet refeed. The sheet feed tray and duplex unit share a single sheet pay-out means. The bottom plate includes separators for retaining the leading edge of the sheet stack and allowing the stack to be bodily shifted to a preselected refeed position.