| 摘要 |
PROBLEM TO BE SOLVED: To make an optional member suitably mountable by preventing falling-off stopping operation from being forgotten of the optional member such as a shelf board, a tray, a box, etc., and thereby preventing the play or omissions from occurring.SOLUTION: When a shelf board 4 is mounted on a supporting base body 2, by merely an operation of inserting each locking claw 22 of bracket 20 into a locking hole 17, the engaging projection 28d of a slide lever 28 is automatically inserted into the locking hole 17 through an urging force of a spring portion of an urging member 29. As a result, without a particular operation, the shelf board 4 is surely fixed to the supporting base body 2. Further, the slide lever 28 is provided with an operation projection 28b at the upper part, and when the shelf board 4 is taken off from the supporting base body 2, the slide operation of the slide lever 28 is made to be easily executed by a user. |
