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:
Sep. 05, 1989
Filed:
May. 27, 1988
Applicant:
Inventor:
Shiro Saeki, Yokohama, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; B65H / ; B65H / ;
U.S. Cl.
CPC ...
355235 ; 355308 ; 355317 ; 271226 ; 271233 ;
Abstract
An automatic document feeder for feeding documents in order to expose a document in a sheet through mode in which an optical system is fixed, a document is moved at constant speed, including; rollers for feeding documents one at a time from a document feeder table to a constant glass plate of a copy machine, a senser for sensing the length of the document, a scale disposed at an end of the contact galss plate at which the document is fed, and a controller for moving the exposure position of the optical system.
Saeki, Shiro. (1989). Automatic document feeder (U.S. Patent No. 4864366). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4864366
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