To provide a cleaning brush device reducing friction resistance occurring between an outer tube and an inner shaft forming a rotating shaft transmitting the torque of a motor to a cleaning brush, reducing wear, lessening burden applied to the wrist during cleaning work, helping easily carry out cleaning and elaborately designed to prevent the cleaning brush from easily coming off the rotating shaft during cleaning work.
A flexible rotating shaft 11 transmitting the torque of a motor 5 to a cleaning brush 36 is erected in a nearly vertical posture from the lower portion to the upper portion to the body 1 of a cleaning brush device, the flexible rotating shaft 11 is connected to a rotating shaft holder 17 to which a cleaning brush 36 is connected through a coupler 30 rotatably by a prescribed angle, and a grip 25 is provided in the rotating shaft holder 17.
ITO YOSHINORI