Replaceable cutting head having threaded mounting portion with two spaced apart conical abutment surfaces provided with the same cone angle, tool holder and rotary cutting tool
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United States of America Patent
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Dec 19, 2017
Issued Date -
N/A
app pub date -
Aug 11, 2015
filing date -
Aug 11, 2015
priority date (Note) -
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Abstract
A replaceable cutting head includes a forward cutting portion and a rearward mounting portion. The mounting portion includes a male coupling member that protrudes rearwardly from a head base surface. The male coupling member includes forward and rearward bearing portions and an external thread located therebetween. The forward and rearward bearing portions include respective conically shaped forward and rearward head abutment surface. The forward and rearward head abutment surfaces have the same cone angle. When a cutting tool, including said cutting head and a tool holder having a female coupling member, is in a locked position, the external thread is threadingly engaged in the female coupling member and the forward and rearward head abutment surfaces conically abut corresponding conical shaped surfaces in the female coupling member.
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