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.:

US 7434801 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 14, 2008

Filed:

Aug. 08, 2006
Applicant:

Chun-seung Yang, Suwon-si, KR;

Inventor:

Chun-seung Yang, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A versatile paper feeding device of an image forming apparatus includes a pick-up roller, a paper support tray under the pick-up roller to stack paper on, a paper support expansion tray to be able to freely slide toward or away from the paper support tray to support the trailing edge of the paper, a forward positioned paper alignment guide on the paper support tray to align a leading end portion of the paper, and a second paper alignment member formed on the paper support expansion tray to align a following end portion of the paper. When the versatile paper feeding device is used to print images on paper of various sizes, the paper can be properly positioned and straightly fed without skewing.


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Yang, Chun-seung. (2008). Versatile paper feeding device of image forming apparatus (U.S. Patent No. 7434801). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7434801

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