Patent ID: 7574828

Claim:
A powered sliding device of a vehicle sliding door including a sliding door slidably mounted on a vehicle body in a forward door-closing direction and in a backward door-opening direction, a wire cable provided between the sliding door and the vehicle body, and a power unit for sliding the sliding door in the door-closing direction and in the door-opening direction by moving the wire cable by a motor power, comprising: a lower roller bracket provided in a lower portion of a front side portion of the sliding door; a center roller bracket provided in a rear side portion of the sliding door; a lower rail, with which the lower roller bracket is slidably engaged, being provided near or at a lower part of an ingress/egress aperture of the vehicle body, said lower rail being isolated from an outside of the vehicle body when the sliding door is closed; a center rail, with which the center roller bracket is slidably engaged, being provided on a quarter panel of the vehicle body, said center rail being not isolated from the outside of the vehicle body even when the sliding door is closed; said power unit being provided in an inside space of the sliding door; said wire cable including a door-opening cable and a door-closing cable, each of the door-opening cable and the door-closing cable having base side end, each of the base side ends being coupled to the power unit; a distal end of the door-opening cable being protruded outside the sliding door from the front side portion of the sliding door, extended in a rearward direction within the lower rail by way of the lower roller bracket, and fixed to a position near or at a rear end of the lower rail; a distal end of the door-closing cable being protruded outside the sliding door from the rear side portion of the sliding door, extended in a forward direction within the center rail by way of the center roller bracket, and fixed to a position near or at a front end of the center rail.