| 摘要 |
PROBLEM TO BE SOLVED: To provide a build-up element assembly of a sectional rack having a function of freely extending a sectional rack. SOLUTION: This build-up element assembly of a sectional rack includes at least shelf boards, vertical plates, an extension unit, a reinforcement board, and a serial connection unit. The shelf board and the vertical plate are assembled as a frame unit, and serially connected and fixed by the serial connection unit, and the extension unit is stretched between the vertical plate for extending connection or connection of the reinforcement plate of the respective frame units and the shelf board corresponding thereto, thereby obtaining the function of freely extending the sectional rack and altering the form thereof. Further, the structural strength of the sectional rack can be improved by the operation of serial connection and fixation of the serial connection unit and the connection of the reinforcement plate. COPYRIGHT: (C)2007,JPO&INPIT
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