| 摘要 |
This invention pertains to unidirectional vibration apparatus using resilient shock absorber mounting means to change multidirectional vibration into unidirectional vibration forces. Two embodiments are directed to a motor means, usually electric, which drive one or more eccentric weights at the desired speed. In each embodiment the motor is carried by a ring mounted and secured to a resilient disk. One or more weights are carried on a shaft in axial alignment with the motor shaft.
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