| 摘要 |
A hitch pin assembly for horizontal adjustment of shelves in a display stand is provided. Conventional coupling in the vertical axial direction is transferred to a coupling system in the horizontal axial direction. A shelf receives end pins with split arrow horizontally and externally extended for fitting in female receptacle on the inner surface of the side walls or columns of the display stand. To mount the display stand, the side walls or columns are pressed inwards horizontally, so that, the edge exceeds the end of the pin which deforms and returns, causing the initial coupling on one side of the structure to lock. The same procedure is performed on the opposite structure. The final assembly of the shelves is made with actions that do not interfere with the coupling of both sides of the structure and without requiring any lateral adjustments that might cause looseness.
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