Cantilevered Boom Sprocket
AssigneeThe Charles Machine Works, Inc.
InventorsCody L. Sewell, Michael D. Buck, Blaine S. Talbot
Life of this patent
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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.
Claims1
A trencher boom sprocket located at a distal end of a trencher boom, the sprocket having a first side and a second side, the trencher boom sprocket rotated about a shaft comprising:
- a hub body rotatable at an engagement point proximate the first side 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.
Dependencies are inferred from the claim text.