Patent ID: 8100485

Claim:
A rotating door mechanism, comprising: a front door member having a door panel part having a nearly cylindrical side surface which is opened and closed in a portion of a nearly cylindrical side surface of a cabinet; a base member having a rotating shaft projecting from the base member; and a rotating member having a rotation center hole fit into the rotating shaft of the base member, wherein the rotating member is rotatably mounted on the base member, the front door member is movably mounted on the rotating member from a direction toward the rotating shaft while the front door member is energized in a direction from the rotating shaft, the base member is formed with a rib which is abutted against a boss formed on the front door member and guides a movement of the front door member obliquely toward the rotating shaft, and, when the door panel part is slid in a direction of rotating the rotating member about the rotation center hole, the front door member is moved on the rotating member toward the rotation center hole and is moved in a rotating direction by a rotation of the rotating member and a guiding of the rib, whereby the door panel part is opened and closed.