| 摘要 |
<P>PROBLEM TO BE SOLVED: To store an unnecessary connection rod in a mobile post when a mobile post for attaching a shelf board is used at a nearly vertical position from an inclination position directed toward the diagonally upper and rear part. Ž<P>SOLUTION: An engagement piece 25b is projectingly arranged at the rear end of the connection rod 23, the engagement piece including: a first engagement pawl 27 to be engaged with an engagement hole 6 arranged in the front surface of a vertical post 5 in a state where the connection rod 23 is directed forward; and a second engagement pawl 28 to be engaged with the engagement hole 6 of the vertical post 5 in a state where the connection rod 23 is nearly vertical. The connection rod 23 is stored in the mobile post 7 which is turned to the nearly vertical position in a state where the second engagement pawl 28 is engaged with the engagement hole 6 of the vertical post 5. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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