Patent ID: 8479338
Filing Date: 2013-07-09
Classification: B08B,H05K

Abstract:
1. A cleaning device comprising: a cleaning roller that is rotated in contact with a surface of a member to be cleaned while being relatively moved; a transfer roller that is rotated in contact with the surface of the cleaning roller; and a charging control roller that is rotated in contact with the surface of the transfer roller; the cleaning device, by electric charges to be electrically charged to the charging control roller, changing electric charges for adsorbing foreign matter adhering onto the surface of the member to be cleaned by an electrostatic force with respect to the cleaning roller and the transfer roller, removing the foreign matter such as dust adhering onto the surface of the member to be cleaned by the use of the cleaning roller by utilizing the electrostatic force, and removing the foreign matter adhering onto the cleaning roller by the use of the transfer roller, wherein a recovery unit for removing and recovering the foreign matter adhering onto the transfer roller is detachably attached to a frame unit including the cleaning roller, the transfer roller, and the charging control roller, the recovery unit including a cleaning brush for removing the foreign matter adhering onto the transfer roller, a metallic roller for removing the foreign matter from the cleaning brush, and a cleaning blade for scraping the foreign matter adhering onto the surface of the metallic roller in a predetermined positional relationship with a recovery frame in a state in which the recovery unit is attached to the frame unit; and wherein the cleaning brush is located at a position where it can be rotated in contact with the surface of the transfer roller; the metallic roller is located at a position where it can be rotated in contact with the cleaning brush; and the cleaning blade is fixed at a position in contact with the surface of the metallic roller; the cleaning brush, the metallic roller, the cleaning blade being fixed to the recovery frame.