| 摘要 |
PURPOSE: An interior angle shelf or a coupling structure of a frame member for a display stand and a connector are provided to assemble or separate a frame member and connector in short time and to maintain a certain standard of durability of a frame structure in which assembly is completed. CONSTITUTION: An interior angle shelf or a coupling structure of a frame member for a display stand and a connector(2) comprises a coupling groove, a protrusion pin(22), and a head unit(20). The coupling groove is arranged in the frame member. The protrusion pin comprising a first coupling unit(224) and a second coupling unit(222) is projected from one side of the head unit to outside. The second coupling unit is projected from one side of the head unit at a predetermined length and has a square type cross section. The second coupling unit is projected from the end part of the second coupling unit at a predetermined length and has an octagon type cross section.
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