Patent ID: 7044595
Filing Date: 2006-05-16
Classification: B41J

Abstract:
1. An apparatus to control static electricity in an ink-jet printer, comprising: a print head; a paper-feeding portion from which paper is fed; a feeding roller to convey the paper being fed from the paper-feeding portion to the print head; a pinch roller to rotate in contact with the feeding roller, the pinch roller having a shaft; a holder, the shaft of the pinch roller being rotatably supported on the holder; a frame made of a metallic material, to support the holder; and a ground member to ground the pinch roller to the frame, to control the static electricity occurring in the paper passing between the feeding roller and the pinch roller, wherein the ground member is a torsion spring that is wrapped around the frame and has a first end elastically contacting the pinch roller and a second end elastically contacting the frame.