Patent ID: 6704540
Filing Date: 2004-03-09
Classification: G03G

Abstract:
A cleaning device of an image forming machine comprising:a pair of arm members each having one end portion pivotable about a support shaft; a cleaning roller rotatably supported between front end portions of the arm members via a shaft; spring means for urging each of the arm members so as to bring the cleaning roller into contact under pressure with a surface of a photoconductor drum; a drive gear integral with the photoconductor drum; and a driven gear integral with the shaft of the cleaning roller and in mesh with the drive gear, and wherein each of the arm members is disposed axially outwardly of the photoconductor drum, and a center of the support shaft of each of the arm members is placed on an extension of a straight line passing through a point of engagement between the drive gear and the driven gear, the straight line being within the angular range of Â±10Â° to the line of action normal to the point of engagement.