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US 5,209,278 AGranted
Drum chipper with knife and knife holder
AssigneeCommerical Knife,Inc.
InventorsCharles T. Carpenter, Robert M. Bayly
Life of this patent
Estimating the term…
Abstract
A drum chipper having a rotatable, power-driven drum supporting a knife. With rotation of the drum, a cutting edge in the knife is moved past a cutter bar. A knife mounting keyed to the knife is adjustably positioned along a path in the drum to position the knife. The knife is a double-edged knife, with one edge replacing the other with dulling of the latter edge.
Claims5
A chipper comprising:
- a drum,
- a slot in the drum opening to the periphery of the drum,
- a first wall in the slot that extends outwardly on the slot towards the circumference of the drum,
- a knife holder mounted on the drum and guided for movement along said first wall in a path,
- adjustable positioning means interposed between the base of the slot and the knife holder determining the position of the holder in said path,
- a knife mounted on said knife holder and the knife having a cutting edge and the knife being positioned with said edge located beyond the circumference of the drum, and
- locking means for locking the knife holder in place against said positioning means,
- said locking means including a second wall in the slot opposite said first wall that converges on the first wall progressing inwardly on the drum,
- a wedge member movably supported by the second wall for movement toward the knife holder on moving inwardly on the drum, and
- a fastener securing the wedge member in place.
7 more elements
A chipper comprising:
- a drum,
- a slot in the drum opening to the periphery of the drum,
- a first wall in the slot that extends outwardly on the slot toward the circumference of the drum,
- a knife guided for movement along said first wall,
- a knife holder mounting the knife and means interposed between the knife and knife holder establishing a predetermined relative position,
- adjustable positioning means interposed between the base of the slot and the knife holder determining the position of the holder, and
- locking means for locking the knife holder in place against said positioning means,
- said locking means including a second wall in the slot opposite said first wall,
- a wedge member movably supported by the second wall,
- said knife holder having a surface facing said second wall, said surface converging on said second wall progressing inwardly on the drum, said wedge member also being guided for movement by said surface and with movement inwardly on the drum wedging between said surface and said second wall.
7 more elements
Dependencies are inferred from the claim text.