US Patent 8247921 Power supply apparatus for sliding door

A power supply apparatus for sliding door includes a flat cable for electrically connecting devices on a side of vehicle body to the devices on a side of a sliding door mounted on the vehicle body so as to be able to be slid, a vehicle body side fixing portion for fixing the flat cable on the vehicle body; and a door side fixing portion for fixing the flat cable on the sliding door, wherein the flat cable is extracted from the vehicle body side fixing portion and the door side fixing portion in the substantially same direction which is substantially parallel to the sliding directions of the sliding door, and the width direction of the flat cable is maintained to be substantially vertical.