| 摘要 |
PROBLEM TO BE SOLVED: To hold a certain appropriate number of plates on a base board simply and certainly. SOLUTION: Nipping pieces 12 made of a material deformable elastically are installed continued to the rear edge as the opening edge of an arm part 11 in a U-form, and a pressure piece 13 is provided spreading to a minor extent to ahead from the front part of each nipping piece 12. The arm part 11 is furnished at the foremost extremity with a shaft 14 fitted properly in a round hole 33 bored in a plate to be held and a projecting plug 16 capable of being fitted in an oblong hole 26 provided in a base board and with a minor gap reserved in between, wherein the longer edge of the oblong hole is approx. equally long to the diameter of the shaft 14.
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