| 摘要 |
<p>The corner post is for use with card blanks to form stacking trays, especially suited to transporting garden produce. It is an elongated element of right triangular cross-section having a widest face formed with two longitudinally extending slots. The slots each have two parallel sides and a base and opening onto the widest face, the sides of one slot extending in planes perpendicular to the sides of the other slot. Each slot has an abutment surface extending in a plane at right angles to the sides and base and constituting an end to the respective slot. Each slot further includes an undercut adjacent its opening to provide a shoulder facing the base of the slot.</p> |
