Cantilevered Boom Sprocket
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United States of America Patent
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Issued Date -
Aug 28, 2014
app pub date -
Feb 24, 2014
filing date -
Feb 24, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A trencher boom sprocket having a hub body rotatable at an engagement point by the shaft, a plurality of teeth supported on the hub body, an excluder ring supported within the hub body on the first side, at least one O-ring provided between the hub body and the excluder ring and applying a spring-load to the excluder ring, a cap supported within the hub at the second side to substantially seal the second side of the hub, a bearing disposed between the shaft and the hub between the engagement point and the second side, and a spacer disposed between the bearing and the cap.
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