| 摘要 |
PROBLEM TO BE SOLVED: To stably attach a shelf board to an arbitrary location of a porous plate. SOLUTION: A pair of right and left supporting rods 4 comprising a horizontal supporting part 4a which can support the lower surface of a side end part of the shelf board 5 and faces the front side, a tilted part 4b which extends to a diagonally rear upside from the front end of the horizontal supporting part 4a, a bent part 4c facing the rear side which is provided on the upper end of the tilted part 4b, and a fastening part 4d facing the upside which is provided on the rear end part of the bent part 4c facing the rear side are attached to both side end parts of the shelf board 5 in such a manner that the rear end part of the horizontal supporting part 4a may protrude from the rear end surface of the shelf board 5. The fastening parts 4d facing upward on a pair of the supporting rods 4 are engaged with either one of fastening holes 3 located in parallel in the lateral direction of the porous plate 2 by inserting them. At the same time, the protruding part of the horizontal supporting part 4a from the rear end surface of the shelf board 5 is detachably fitted in the fastening holes 3 arranged in parallel in the lateral direction at a lower location. Thus, the shelf board 5 is approximately horizontally attached to the front surface of the porous plate 2. COPYRIGHT: (C)2004,JPO
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