Woodworking – Rotary cutter – Having slotted bit seat
Patent
1997-07-25
1999-01-12
Bray, W. Donald
Woodworking
Rotary cutter
Having slotted bit seat
144218, 144174, 2412921, 407 49, B27G 1300
Patent
active
058575065
ABSTRACT:
The present invention provides a replaceable insert cutting tool combination. The combination comprises a cutter head having at least one peripheral transverse indentation and being rotatable about an axis, the cavity including a knife support wall at least partially transverse to the cutter head periphery, and at least one threaded bore substantially parallel to the knife support wall. The combination further comprises a knife element disposed adjacent the knife support wall and having an edge extending from the indentation, in addition to at least one threaded element for engagement in the threaded bore. At least a pair of wedging elements are mounted adjacent the knife element in engaging side-by-side relation in the indentation. One of the wedging elements receives the at least one threaded element and is movable in toward the cutter head therewith, and at least one of the wedging elements is positioned to move the knife element toward the knife support wall when the threaded element is increasingly engaged in the threaded bore. The threaded element and associated wedging element are arranged to be extractable together, so that lateral locking forces can be overcome by torquing action on the threaded element.
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Oertli, Pro-Vit advertisement brochure.
Leuco Precision Tooling, "Super Profiler.TM." advertisement.
Wisconsin Knife Works, pages of product brochure.
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