Patent ID: 8713750

Claim:
A dry-type cleaning chassis for cleaning a cleaning target by colliding cleaning media with the cleaning target, the cleaning media being blown by an air flow, the dry-type cleaning chassis comprising: a chassis part including an internal space where the cleaning media are to fly; an opening part configured to be in contact with the cleaning target, so that the cleaning media collide with the cleaning target; an air inlet duct configured to introduce external air into the internal space; a suction port provided for generating a circulating air flow in the internal space by suctioning the air having been introduced into the internal space via the air inlet duct; a porous unit configured to pass objects removed from the cleaning target to a suction port side; and a path limiting member formed of a cylindrical shape extended in an axis center direction of the circulating air flow and configured so that an inside of the cylindrical shape is in communication with the suction port as a suction path, wherein the chassis part is divided into plural regions in the axis center direction, and wherein the plural regions independently contain the cleaning media.