Patent ID: 7854327

Claim:
Stackable loading trays, each loading tray supporting at least one thin plate and comprising: a first loading portion, provided on one side of the loading tray, on which at least one thin plate is supported; a second loading portion, provided on a second side of the loading tray, opposite the one side, and fitted to the first loading portion of an adjacent loading tray to form a housing space sealed off from the external environment, for sandwiching at least one thin plate within the housing space, and for supporting the thin plate on said loading tray when the loading tray is placed upside-down; a loading projection, provided projecting from at least one of first loading portion and the second loading portion, and directly contacting and supporting a thin plate, over its entire surface, within the housing space; a coupling portion, provided on one of the sides of the loading tray, for coupling with an adjacent loading tray; and a coupled portion, provided on another side of the loading tray, for coupling with the coupling portion of an adjacent loading tray, wherein each thin plate is housed in a housing space created by stacking the loading trays and is supported in the housing space the loading trays from both upper and lower sides.