| 摘要 |
PROBLEM TO BE SOLVED: To provide a demountable shelf which is folding type to be easily carried and portable and can be assembled easily without using tools and can be stored in a very small space. SOLUTION: Each of shelf board bearing arms 20 is pivoted by a hinge 60 fixed to a back plate 40. Then, a removable shelf board 100 is placed in an upper part of the arms to assemble a demountable shelf 10 which can be folded.
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