Clamp Auxiliary Member and Cutting Tool with the Clamp Auxiliary Member
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United States of America Patent
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app pub date -
Sep 10, 2012
filing date -
Mar 10, 2010
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Abandoned
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Abstract
A clamp auxiliary member is low in manufacturing costs has a simple structure, is applicable to a small-diameter tool, and facilitates replacement of a cutting insert in a cutting tool. The cutting insert is mounted to a tool body by means of the clamp auxiliary member, which is provided with an engagement portion for engaging a fastening screw. The clamp auxiliary member is formed in a ring shape and has one or more slits notching a part thereof. The clamp auxiliary member, and is flexibly deformed at the time the force is applied to an inner peripheral face upper portion thereof from the head portion of the fastening screw to expand the outer diameter. A cutting tool may be provided with such a clamp auxiliary member.
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