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, 2008
Filed:
May. 10, 2005
Jin Hyuk Ahn, Gyunggi do, KR;
Dong Sik Lee, Seoul, KR;
Jin Hyuk Ahn, Gyunggi do, KR;
Dong Sik Lee, Seoul, KR;
Nautilus Hyosung Inc., , KR;
Abstract
Disclosed are an apparatus and method for detecting double-feed of paper to prevent banking accidents or jam in a paper handling machine for handling paper, sheets of currency note are not separated by a sheet separating means and thus plural sheets are double fed. The apparatus includes paper feeding means for guiding upper and lower surfaces of the paper and feeding the paper, a pivot member pivotally installed to a rotary shaft, and having a contact portion disposed in a paper feeding path of the paper feeding means and contacting with one surface of the feeding paper, and an encoder portion with a plurality of slits, in which the rotary shaft is closer to the contact portion rather than the encoder portion, and a sensor for counting the number of slits of the encoder portion when the pivot member pivots. The present invention can accurately detect the overlay of the paper having a thin thickness with a simple construction. Also, the present invention can detect the overlay of the paper, regardless of a size and thickness of the paper and a transferring direction of the paper.