| 摘要 |
PROBLEM TO BE SOLVED: To provide a top board support structure which can keep the height of a top board easily adjusted, and to prevent a user except a manager from easily adjusting the height of the top board. SOLUTION: The top board support structure includes a pair of side boards 100 erected in mutually parallel separated by a prescribed interval, the top board 120 held by the pair of side boards, a first column 130-1 mounted along the vertical direction of each of the pair of side boards, a second column 130-2 provided along the first column, a reception tool 140 mounted on the first column for supporting the top board, and a lock L provided on the top board for fixing the top board to the second column. COPYRIGHT: (C)2010,JPO&INPIT
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