| 摘要 |
PROBLEM TO BE SOLVED: To obtain a connection structure of supports and a cross beam in a shelf capable of providing a stronger shelf by improving adhesion between the supports and the crossbeam. SOLUTION: A plurality of supports 11 erected vertically and forming a frame of a shelf, and a cross beam 12 supported horizontally between the supports, connecting the supports and forming a frame of a shelf together with the supports are provided. At the ends of the cross beam 12, hook-shaped cut and raised portions 13 are formed, engagement holes 18 with which the cut and raised portions 13 of the crossbeam are engaged are formed to the supports 11, in the cut and raised portions 13, its one side is cut from the cross beam body as an opened portion 15 and the other side is connected to the crossbeam body as a closing portion 16, the engagement holes 18 of the supports have window holes 19 through which the raised portions 13 of the crossbeam passes, and a narrowed portion 20, formed continuously in the window holes and into which the closing portions 16 of the raised portions 13 of the crossbeam fit.
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