Wear ring and extraction device for a rotatable tool
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United States of America Patent
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N/A
Issued Date -
Jun 15, 2006
app pub date -
Dec 14, 2004
filing date -
Dec 14, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A rotatable tool has a cylindrical shank and a compressible sleeve fitted thereon to retain the shank in the bore of a tool holder. A wear ring is positioned behind the forward cutting end of the tool and against the forward surface of the tool holder. The compressible sleeve is locked to the wear ring to prevent rotation of the wear ring with the tool. Also, the outer diameter of the wear ring is greater than the width of the forward surface of the tool holder forming an overhang, and a second tool can then be used to engage the overhang to remove the tool from the tool holder.
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