Importance

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Abstract

A cutting tool having a cutting tool insert which is automatically rotationally indexable and including a shank and an indexable cutting tool insert rotatably connected to the shank, the insert including a plurality of cutting edges and side surfaces therebetween, the cutting tool is also provided with an indexing device, lock pin, cam plate and eccentric cam pin, wherein the indexing device comprises a sliding key and a pair of indexing legs attached thereto for engaging a serrated portion of the lock pin to which the cutting tool insert is attached for indexing the insert on the lock pin upon rotation of the cam pin which effects a lateral movement of the cam plate along the longitudinal axis of the shank whereby the cam plate engages the sliding key causing it to also move laterally to engage the indexing legs on the lock pin and the cutting insert attached thereto.

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First Claim