| 摘要 |
A storage cabinet is provided with a front opening for access to the interior thereof, and a door is coupled to the cabinet for movement between a closed position wherein the door extends vertically across the access opening, and an open storage position wherein the door is disposed generally horizontally and is positioned at least in partial overlapping relationship directly over the cabinet top wall. A pair of support mechanisms couple the door to the cabinet housing adjacent the upper corners thereof. The support mechanism includes an intermediate support member which is hinged on a bracket secured adjacent the front edge of the housing top wall for swinging movement about a horizontal hinge axis which is located adjacent the front edge of the top wall. A gear is rotatably supported on the intermediate support member with its rotational axis being spaced radially from the hinge axis. The gear is maintained in continuous meshing engagement with an elongate gear rack which is fixed to the inner side of the door and extends generally perpendicularly between the upper and lower edges thereof. A guide track is also fixed to the inner surface of the door in generally parallel relationship to the gear rack. The intermediate support has a guide part which is slidably engaged with the guide track, and which couples the door to the intermediate support so as to permit solely relative sliding therebetween and hinging generally about the hinge axis.
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