| 摘要 |
A vibratory drive unit includes a base member, a top member and a plurality of drive springs connected therebetween. A plurality of channels are defined within a top surface of the top member for non-rotatingly receiving a corresponding plurality of clamp nuts therein. Each of the channels includes a threaded bore axially aligned with a similar bore through a corresponding clamp nut for receiving a threaded fastener therein. A circumferential flange extending downwardly from the parts feeder bowl is clamped between the top member and the plurality of clamp nuts as the fasteners are threadingly advanced. The clamp nuts are positioned relative to the drive unit to thereby transfer maximum vibratory action to the parts feeder bowl. Extension blocks are further provided for receipt within the channels and are configured to permit a parts feeder bowl having a larger diameter flange to be mounted to the vibratory drive unit.
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