Patent ID: 8152431
Filing Date: 2012-04-10
Classification: B65G

Abstract:
1. A stocking system for fabrication of a liquid crystal display device comprising: a shelf assembly for storing a plurality of cassettes containing a plurality of substrates, the shelf assembly having a first shelf line and a second shelf line parallel and adjacent to the first shelf line, the first shelf line having a first plurality of storage compartments and the second shelf line having a second plurality of storage compartments, a first crane located at a front side of the first shelf line, the first crane for loading and unloading a cassette to and from the first shelf line, the first crane for loading and unloading the cassette to and from the second shelf line through one storage compartments of the first plurality of storage compartments; a second crane located at a front side of the second shelf line, the second crane for loading and unloading the cassette to and from the second shelf line, the second crane for loading and unloading the cassette to and from the first shelf line through one storage compartments of the second plurality of storage compartments; a third shelf line located parallel to the shelf assembly so that the first crane is located between the third shelf line and the shelf assembly; a fourth shelf line located parallel to the shelf assembly so that the second crane is located between the fourth shelf line and the shelf assembly; and a control unit configured to: wherein each of the storage compartments has a plurality of separator walls extending in a vertical direction; and a plurality of support protrusions protruding horizontally from the separator wall and arranged in the vertical direction, wherein each of the storage compartments of the horizontally adjacent first and second shelf lines is open on its front side and its back side for passing of the first crane or the second crane.