| 摘要 |
PROBLEM TO BE SOLVED: To provide a shaking apparatus capable of conducting shaking at a high speed by making simplification and weight reduction of a structure of a change-over mechanism from reciprocal vibration to rotating vibration to reduce vibration and generation of noise. SOLUTION: The shaking apparatus is provided with a drive shaft 3 in which an eccentric shaft part 2 is formed eccentrically to the extent of predetermined amount at the upper end, a trestle 5 supporting the drive shaft via a bearing 4, a truck 6 which is able to reciprocally move on the trestle 5 and a vibrating table 7 which is able to reciprocally move on the truck 6 to the rectangular direction against the truck moving direction. Further, a long trench 91 which is geared with the top of the eccentric shaft part 2 is formed under the surface of the vibrating table 7. Also, a bearing 9 which is able to horizontally rotated and a lever 10 which rotates around the bearing 9 are installed.
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