| 摘要 |
PROBLEM TO BE SOLVED: To fix printed boards with respect to the inserting and removing direction of the boards at the time of inserting the boards into the space between shelf boards without requiring any special operation and, at the same time, to make each printed board easily insertable and removable into the from the space between the shelf boards. SOLUTION: A remove stopper is constituted to fix a printed board 14 with respect to the inserting and removing direction of the board 14 in such a way that, when the printed board 14 is pushed to the end of the space between shelf boards A until the inclined section 19 of an engaging member 16 comes into contact with an engaging projection C, the engaging member 16 ascends and the projection C comes off from the inclined section 19 and, as a result, the engaging section 16 descends by gravity and the projection C is engaged with the engaging groove section 18 of the member 16.
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