Abstract: A window regulator is provided with a driving unit, a drum, a carrier plate, a wire, and wire-ends provided at both ends of the wire. The drum has a shape of a cylinder having an upper surface, a lower surface, and a side surface. The drum has a slot portion having a length substantially the same as the length of the wire-end, and a wire-end housing portion disposed to deviate from the slot in the axial direction of the drum. The wire-end housing portion has a height substantially the same as the thickness of the wire-end, with a top surface provided on the side of the upper surface of the drum and a bottom surface provided on the side of the lower surface of the drum. The drum has a guide surface for guiding the wire-end, and a wire-end engagement portion, and a wire guide.