Slide door support mechanism
A slide door support mechanism includes a lower rail provided on a vehicle body, a rear slide door configured to open and close a rear door opening portion of the vehicle body by slide movement, a door rail provided on the rear slide door, a first arm that bridges between the lower rail and the door rail, a vehicle body-side roller unit and a vehicle body-side roller provided on the first arm and slidably provided on the lower rail, a door-side roller provided on a first arm and slidably provided on the door rail, and a second arm pivotably supported by the rear slide door and the first arm.
1 . A slide door support mechanism comprising:
a vehicle body-side guide provided on a vehicle body;
a slide door configured to open and close a door opening portion of the vehicle body by slide movement;
a door-side guide provided on the slide door;
a first arm that bridges between the vehicle body-side guide and the door-side guide;
a driven vehicle body-side guide provided on the first arm and slidably provided on the vehicle body-side guide;
a driven door-side guide provided on the first arm and slidably provided on the door-side guide; and
a second arm pivotably supported by the slide door and the first arm.
2 . The slide door support mechanism according to claim 1 , comprising a door-side support portion that is provided on a closed side end portion of the slide door compared to the door-side guide in the slide door and that is configured to pivotably support the second arm.
3 . The slide door support mechanism according to claim 2 , comprising an arm-side support portion that is provided on a central portion of the first arm in a longitudinal direction and that is configured to pivotably support the second arm.
4 . The slide door support mechanism according to claim 3 , wherein the first arm is curved to protrude inward in a vehicle width direction.
5 . The slide door support mechanism according to claim 1 , wherein an inner surface of the slide door in the vehicle width direction comprises:
a first surface on which the door-side guide is provided; and
a second surface on which the second arm is supported and which is formed in a region in which the second arm overlaps in the vehicle width direction, and
the second surface is located outside the first surface in the vehicle width direction.