Patent ID: 7415236
Filing Date: 2008-08-19
Classification: G03G

Abstract:
1. A cleaning unit for removing toner remaining on a surface of an image carrier of an image-forming apparatus, comprising: a vibration member extending in a direction of a width of the image carrier, the vibration member having at least one vibration application part attached thereto; a blade member attached to at least an end region of the vibration member, the blade member extending in the direction of the width of the image carrier; and a driving part configured to drive the at least one vibration application part at a driving frequency, the driving frequency being a natural resonance frequency occurring at a time of assembly of the blade member and the image carrier, wherein the vibration member is configured to provide vibration to the blade member and a force to press the blade member against the image carrier, and wherein the at least one vibration application part and the blade member are disposed on a first side and a second side, respectively, of the vibration member at a free end thereof which is engageable with the image carrier and which are oriented parallel to one another, the first side and the second side of the vibration member facing away from each other.