SPADE DRILL

A drill, such as a spade drill, is provided. The drill includes a drill body that includes a mounting end and a cutting end. The cutting end includes first and second cutting edges that are generally curved along the entirety of the cutting end of the drill body, removing any sort of cutting corner....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHMIDT DENNIS L, GASS GERALD A, KAMMEYER KENNETH L
Format:	Patent
Sprache:	eng
Schlagworte:	BORING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING TURNING
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Beschreibung
Zusammenfassung:	A drill, such as a spade drill, is provided. The drill includes a drill body that includes a mounting end and a cutting end. The cutting end includes first and second cutting edges that are generally curved along the entirety of the cutting end of the drill body, removing any sort of cutting corner. The curved cutting edge provides a more resilient drill for removing material from a workpiece. The cutting edges may also include a drilling point at a distal end and at least partially between the first and second edges, along with webs extending from the drilling point to the cutting edges. The mounting portion includes structure to attach the drill to a holder, which can connect to a rotating apparatus for rotating the holder and drill.