Tool holder for the shrink-attachment of tools
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United States of America Patent
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-
N/A
Issued Date -
Mar 15, 2007
app pub date -
Dec 27, 2005
filing date -
Sep 9, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A tool holder comprising a coupling shaft, a shrink chuck and a central member. The shrink chuck has a head and a base, the head having a tensioning portion with a carrier comprising an axial internal bore. The central member is interposed between the coupling shaft and the base. A surface contour connecting the front and rear diameters of the shrink chuck has at least two portions substantially even relative to a diameter course of the contour at the at least two portions. A first portion is disposed on the head and a second portion is disposed on the base, and a transition is interposed between the head and the base. A chuck diameter of the shrink chuck increases in a substantially discontinuous manner at the transition from the first portion to the second portion so that the head is slimmer than the base.
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