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:
May. 13, 1980
Filed:
May. 17, 1978
Applicant:
Inventor:
Toyoo Okamoto, Yokohama, JP;
Assignee:
Ricoh Company, Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01T / ;
U.S. Cl.
CPC ...
361234 ; 361230 ; 355 / ; 250324 ;
Abstract
In a corona charger for image transfer for use with an electrophotographic copying machine, a corona wire is stretched outwardly curved at the central portion thereof and the curved portion of the corona wire is positioned closer to the central portion of a transfer sheet to which an image is to be transferred, or is positioned so as to apply corona charges first to the central portion of the transfer sheet.