Top plate pressing device in top plate transfer system.

Problem to be solved. To provide a compact and lightweight top plate pressing device in which a plurality of arms having a vertical length corresponding to a predetermined number of divided and stacked top plates stacked in multiple stages in a top plate rack are combined so as to expand and contract, and can be transferred by pressing the top plate stacked in multiple stages through one operation or for the number of times of division and stack. Solution. A top plate pressing arm (45) of a top plate pressing device (7) pushing out and transferring a large number of top plates (5) stacked in multiple stages between a top plate rack (3) and a top plate transfer device (1,61) includes a support arm (45a) having a vertical length corresponding to a predetermined number of divided and stacked top plates (5) that are stacked in multiple stages in the top...