CHUCK FOR HAMMER DRILLS OR THE LIKE

A self-centering drill chuck for use in hammer drills or like impact- and torque-transmitting machines. The shank of the boring or drilling tool is received between and is clamped by three jaws which are slidably guided in the pull-on nut or in the adapter of the chuck. A dished spring is inserted b...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANNER K,DT, BLEICHER M,DT, BURKLIN M,DT, SIGG H,DT
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 self-centering drill chuck for use in hammer drills or like impact- and torque-transmitting machines. The shank of the boring or drilling tool is received between and is clamped by three jaws which are slidably guided in the pull-on nut or in the adapter of the chuck. A dished spring is inserted between the jaws and the adapter or nut to undergo deformation when the nut is rotated by a chuck key to thereby prevent a relaxation of the clamping force between the shank of the inserted tool and the jaws while the chuck rotates and receives axially oriented impacts.