| 摘要 |
PROBLEM TO BE SOLVED: To provide a vibrator suitable for extracting, mixing and separating organic and inorganic substances in both of liquid and powder states and capable of reducing vibration or harmful noises caused. SOLUTION: The vibrator has two holding shoulder 2, 3 suitable to hold a plurality of test tubes. Each holding shoulder 2, 3 is firmly linked to a cam follower driven as coupled with a cam 10 driven to rotate by a motor 5 so that the shoulders 2, 3 holding the test tubes are made to linearly and reciprocally move in symmetric forward/backward two-way directions. COPYRIGHT: (C)2004,JPO
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