Patent ID: 6857229

Claim:
A door window lifting apparatus for a vehicle having a holder for supporting both sides of a bottom of a door window, a guider welded to the holder with a horizontal guide groove and a roller rotatably installed at the end of a regulator arm vertically rotated by a regulator motor and inserted into the guide groove of the guider, wherein the roller comprises: a rotatable roller body formed at an external circumference and one side thereof with first and second circular grooves; and first and second elastic pads inserted into the first and second circular grooves wherein said first and second elastic pads protrude from the external circumference of the roller body for contacting an inner side and the inner upper and inner lower surfaces of the guider and wherein said first and second elastic pads rotate with the roller integrally, and wherein the first and second circular grooves of the roller body are mutually connected through a plurality of throughholes for insertion of the first and second elastic pads.