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:
Feb. 05, 1991
Filed:
Apr. 10, 1989
Applicant:
Inventor:
Yukitoshi Kiya, Kawasaki, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355319 ; 355 23 ; 271186 ; 271291 ; 271202 ;
Abstract
A duplex unit has a reversing part for reversing sides of recording sheets and a stack part for successively stacking the reversed recording sheets, where the stacked recording sheets are outputted in a first-in-first-out sequence. This duplex unit is suited for use on an image forming apparatus which records images on both sides of the recording sheets by an electrophotography.