| 摘要 |
PROBLEM TO BE SOLVED: To allow a turntable to shake. SOLUTION: A rotary stand 20 with the holder of a test tube is placed on a shaking stand 6 for shaking by a motor 8 and a slide shaft 5 while a projecting part 26 is fitted to a recessed part 25, a motor 14 and a cam 15 are provided to elevate a rotator 13 that is rotated by a motor 12, and the projecting part 24 is fitted to the recessed part 23 when rotating the rotary stand 20 by the rotator 13 while it is lifted and separated from the vibration stand 6.
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