Shrink-fit tool with mechanical retention member, and method of mounting a tool to a toolholder
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United States of America Patent
Stats
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Feb 25, 2014
Grant Date -
Aug 11, 2011
app pub date -
Jan 14, 2008
filing date -
Feb 8, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A shrink-fit tool (21) includes a tool and a toolholder, one of the tool (23) and the toolholder (25) having a male shank portion (27) and the other one of the tool (23) and the toolholder (25) having a body portion (29) including female opening (31) for receiving the shank portion (27), the female opening (31) being adapted to change in size upon heating the body portion (29) to receive the shank portion (27) and upon cooling of the body portion (29) to clamp the shank portion (27) by an interference fit. The shrink-fit tool (21) also includes a mechanical retention member (33) disposed between the shank portion (27) and the body portion (29) for mechanically retaining the shank portion (27) in the female opening (31) so that the shank portion (27) is in its only predetermined orientation relative to the body portion (29).
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