Patent ID: 7882957

Claim:
A storing tray comprising a storing part on a main surface for storing an object, the storing tray having a rear surface opposite the main surface, the storing part comprising: a storing base having four corners on an outer periphery, a first pair of corners being diagonally opposite each other and a second pair of corners being diagonally opposite each other; convex portions each located along an outer periphery of each of the corners in the first pair of corners, a top surface of each of the convex portions being higher than a top surface of the storing base; and first concave portions each located along an outer periphery of each of the corners in the second pair of corners, a bottom surface of each of the first concave portions being lower than a bottom surface of the storing base, a second concave portion in the storing base, each of the convex portions having two parts extending in different directions from each other, said two parts forming a corner along an outer periphery of a respective corner of the first pair of corners on the storing base, the second concave portion in the storing base having a bottom surface lower than the bottom surface of each of the first concave portions on the outer periphery of the storing base, wherein a shape of the rear surface of the storing tray is congruent with a shape of the main surface of the storing tray.