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. 02, 1993
Filed:
Apr. 02, 1992
Applicant:
Inventors:
Makoto Kurosawa, Ibaraki, JP;
Masaaki Koseki, Ibaraki, JP;
Tetsuroh Takahashi, Ibaraki, JP;
Takeshi Terakado, Ibaraki, JP;
Assignee:
Hitachi Koki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41F / ; B65H / ;
U.S. Cl.
CPC ...
493459 ; 162271 ;
Abstract
In an electrostatic printing machine, a paper curl correction apparatus can vary the amount of curl correction provided by rotating paper guide rollers around a shaft on which paper conveying rollers are provided. As a result, angle between the shaft and a circumference of the paper guide rollers can be varied.