| 摘要 |
PROBLEM TO BE SOLVED: To provide a coupling structure of side frames and connecting rods of a showcase which allows the simple execution of coupling of the side frames and connecting rods of the showcase with less working labor, hardly exposes the coupling means to the outside and provides good appearance. SOLUTION: The inner flanks of longitudinal rods 3 constituting the side frames 1 are provided with receiving holes 12 and flush nuts 13 and these flush nuts 13 are projectingly provided with headed pins 14 by screwing these pins to the flush nuts. The connecting rods having engaging pins 15 and rotation tightening fittings 17 at the ends are coupled to the side frames 1 by inserting the engaging pins 15 into the receiving holes 12 and inserting the headed pins 14 to the rotation tightening fittings 17, then rotating the rotation tightening fittings 17.
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