Plural-amplitude vibration assembly

Details Plural-amplitude vibration assembly Plural-amplitude vibration assembly

B - Operations, Transporting

06

B

94/62

B06B 1/16 (2006.01) E01C 19/38 (2006.01) E02D 3/074 (2006.01)

Patent

CA 1223144

A PLURAL-AMPLITUDE VIBRATION ASSEMBLY Abstract of the Disclosure In the embodiment shown, the Assembly comprises a pair of apertured weights mounted on a rotatable shaft, each of the weights having abutment surfaces one or another pairs of which close upon each other, depending upon the direction of shaft rotation. One of the weights is keyed to the shaft to rotate therewith; the other weight is freely rotatable rela- tive to the shaft. Upon rotation of the shaft in a first direction, a first pair of the abutment surfaces engage, and the eccentricities of the weights then are so disposed as to produce a given-amplitude vibratory force. Upon rotation of the shaft in a contrary direction, a second pair of the abutment surfaces engage, and the eccentricities of the weights then are so disposed as to produce a vibratory force of a differing amplitude.

451155

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