A shrink fit chuck means for holding a drill bit

A unitary drill bit using components comprising a drill bit 46, and a chuck 30, such that the chuck 30 is heat shrunk onto the drill bit 46, the chuck 30 also includes a threaded portion 38 for attachment to a drilling device 54. Other embodiments include where said drilling device is a hand drill d...

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Bibliographische Detailangaben
1. Verfasser:	ROBERT UNSWORTH
Format:	Patent
Sprache:	eng
Schlagworte:	BORING COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING TURNING
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Beschreibung
Zusammenfassung:	A unitary drill bit using components comprising a drill bit 46, and a chuck 30, such that the chuck 30 is heat shrunk onto the drill bit 46, the chuck 30 also includes a threaded portion 38 for attachment to a drilling device 54. Other embodiments include where said drilling device is a hand drill driven by an air motor.