Patent ID: 6648322
Filing Date: 2003-11-18
Classification: B65H

Abstract:
A paper feeding device for a printer, comprising:a paper feeding cassette to load a plurality of paper sheets; a driving power source; a driving gear having a rotation shaft and driven by the driving power source; a passive gear having a rotation shaft and rotated interlockingly with the driving gear; a first link having a first end pivotally installed on the rotation shaft of the driving gear, and a second end coupled to the rotation shaft of the passive gear; a pickup gear rotated interlockingly with the passive gear; a second link having a first end rotatably installed on the rotation shaft of the passive gear, and a second end coupled to a rotation shaft of the pickup gear; a pickup roller having a rotation shaft and coaxially coupled to the pickup gear, to simultaneously rotate and press the paper sheets to feed the paper sheets one by one into a printer body; and a supporting arm having a first end coupled to the rotation shaft of the pickup roller, and a second end pivotally installed on a side of the printer body.