Patent ID: 7669367

Claim:
A support structure for a vehicular slide door comprising a bracket fixed to the slide door, and a connection assembly in which a roller holder for holding a roller which rolls along a guide rail provided on a vehicle body and a mounting portion to which the bracket is fastened are relatively turnably connected to each other through a connecting unit including a connection shaft and a holding cylinder which turnably holds the connection shaft, wherein the bracket includes a substantially horizontally extending horizontal wall, the horizontal wall is formed with a notch groove which is formed by cuffing a tip end of the horizontal wall on the side of the vehicle body substantially along an approaching/separating direction between the vehicle body and the slide door, and the connecting unit is movably inserted into the notch groove, the mounting portion has a plate connected to the horizontal wall, at least one of the horizontal wall and the plate is formed with a long through hole parallel to the notch groove, and the plate and the horizontal wall are fastened by a fastening tool which is passed through the through hole, in a state where the plate and the horizontal wall are superposed on each other, and wherein the plate and the holding cylinder are integral with each other, the holding cylinder is formed to have a projecting portion projecting outwardly in the width direction of the notch groove, and the projecting portion and the plate vertically sandwich a peripheral edge of the notch groove.