| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of wasteful space in a hollow shelf when each kind of electronic equipment that is composed while a printed circuit board for mounting its electronic circuit is accommodated in the shelf is shipped or carried normally while the printed circuit board is pulled out of the shelf. SOLUTION: The side surface part of a shelf is composed of a plurality of side surface plates that are connected rotatably with a hinge and is configured so that a turn-in shelf can be folded. In assembly, the plurality of side surface plates are extended, and one side surface plate is screwed to the side surface plates, an upper surface plate, and a bottom surface plate.
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