US Patent 10058303 Mobile X-ray imaging apparatus

In order to provide a mobile X-ray imaging apparatus having less possibility that a cable comes into contact with an object, the apparatus has a carriage and an X-ray imaging unit mounted on the carriage, and the X-ray imaging unit is provided with an X-ray generator, an arm holding one end of the X-ray generator, a supporting post supporting the other end of the arm in a vertically movable manner, and a main body supplying electric power. Conductor filaments are arranged at intervals along an axial direction on the supporting post, conductor brushes coming into contact with the filaments respectively are arranged on the other end of the arm, the brushes move vertically along the filaments in a state of coming into contact with the filaments with the vertical movement of the arm, and the main body supplies electric power to the X-ray generator through the filaments and the brushes.