Cutting by use of rotating axially moving tool – Tool or tool with support – Having peripherally spaced cutting edges
Patent
1997-09-17
1998-10-27
Howell, Daniel W.
Cutting by use of rotating axially moving tool
Tool or tool with support
Having peripherally spaced cutting edges
408228, 408231, 408713, B23B 5100
Patent
active
058270191
ABSTRACT:
A self-calibrating countersink tool includes a reusable insert-holder with an axis-defining shank portion and an insert-receiving notch disposed at one end of the holder. The tool also includes at least one selectively attachable insert which is sized and shaped to be received within the insert-receiving notch of the holder. Each disposable insert includes a tapered cutting-edge portion and a notch-mating portion which is complementary in shape to the insert-receiving notch. When the insert is in mating engagement with the holder, the cutting-edge of the insert is disposed forwardly of the holder and defines an angle of between about 105 and 165 degrees relative to the holder axis. The countersink tool also includes an affixation means for affixing a disposable insert to the holder such that the insert is in mating engagement with the insert-receiving notch.
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patent: 5474407 (1995-12-01), Rodel et al.
Bhargava Adesh
Century Tool & Design, Inc.
Howell Daniel W.
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