Abstract: A pivotal vibration apparatus comprising a vibration platform, a displacement assembly having an eccentric shaft rotatable to provide a displacement force, a link connecting the displacement assembly to the vibration platform to transfer the displacement thereto and an adjustment mechanism to adjust the amplitude of the displacement force transmitted to the vibration platform in a continuous fashion.
Abstract: A pivotal vibration apparatus comprising a vibration platform, a displacement assembly having an eccentric shaft rotatable to provide a displacement force, a link connecting the displacement assembly to the vibration platform to transfer the displacement thereto and an adjustment mechanism to adjust the amplitude of the displacement force transmitted to the vibration platform in a continuous fashion.