Patent ID: 7992929

Claim:
A support mechanism for an opening and closing member slidably moving to open and close an opening formed in a vehicle body, comprising: a support frame adapted to be arranged at the opening and closing member to support the opening and closing member relative to the vehicle body; a guide rail adapted to be arranged at the vehicle body along a side edge of the opening and including first and second guide portions that are parallel to each other; and a guided member including a cylindrical portion and a bearing portion continuously formed with the cylindrical portion and coaxially supporting a shaft portion that is arranged at the support frame, the cylindrical portion having an outer peripheral surface formed into a tapered shape and contacting the first and second guide portions in a biased manner; wherein the cylindrical portion includes a first end portion and a second end portion oppositely arranged in an axial direction of the bearing portion and the first end portion has an outer diameter smaller than an outer diameter of the second end portion and is continuously formed with the bearing portion.