Patent ID: 7879181

Claim:
An upper cover opening/closing device for use in a flat panel display (FPD) manufacturing apparatus including a plurality of vacuum chambers, the device comprising: a cover loading unit configured to support and rotate an upper cover that has been separated from any one of the plurality of vacuum chambers; and a track unit that defines a movement path for the cover loading unit amongst the plurality of vacuum chambers, wherein the cover loading unit includes at least one movable block that is coupled to the track unit such that the at least one moveable block is seated on the track unit so as to allow the cover loading unit to move along the track unit and be positioned close to any one of the plurality of vacuum chambers so as to receive a corresponding upper cover therefrom, wherein the track unit includes: main tracks arranged parallel to an arrangement direction of the plurality of vacuum chambers; and auxiliary tracks arranged perpendicular to the main tracks so as to define a plurality of paths that respectively guide the cover loading unit toward the plurality of vacuum chambers, wherein the main tracks and the auxiliary tracks form a lattice with a plurality of intersections through which the at least one moveable block moves so as to guide movement of the cover loading unit along the track unit.