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:
Mar. 22, 2011
Filed:
Oct. 29, 2008
Hak Kyum Kim, Seoul, KR;
Byeong Hwa Ahn, Seongnam-si, KR;
Hak Kyum Kim, Seoul, KR;
Byeong Hwa Ahn, Seongnam-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
An image forming apparatus capable of preventing simultaneous delivery of two sheets of paper when they are supplied from a paper supply device, thereby improving operational reliability of the paper supply device. The image forming apparatus includes a body incorporating a printing device, a first paper supply unit, in which first paper is loaded, a second paper supply unit, on which second paper is disposed, at least one feed roller to deliver the second paper disposed on the second paper supply unit, a pickup roller to pick up the first paper from the first paper supply unit, and a pickup pad, which is located at a first position to contact the pickup roller when the pickup roller picks up the first paper from the first paper supply unit, and which is located at a second position spaced apart from the pickup roller when the second paper disposed on the second paper supply unit is delivered by the feed roller.