| 摘要 |
A torsional vibrating device is disclosed for operation as a two mass vibrating system consisting of a first mass having a generally circular work member and a spring mechanism connecting the first mass to the second mass excited by a motor driven eccentric weight or weights so that the second mass vibrates in a circular path having a circular component and a vertical component which will cause material on said work member to be conveyed in a circular direction. The spring member is unique in this combination. The entire system is isolated from the supporting means. This system has application for controlling the flow of bulk material from a hopper, screen or feeder or for elevating or lowering a material in a helical trough or for orientation of discrete particles or other applications depending on a properly designed work member.
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