Cutting tool assembly with an eccentric drive member

Details Cutting tool assembly with an eccentric drive member Cutting tool assembly with an eccentric drive member

B - Operations, Transporting

23

B

B23B 31/11 (2006.01) B23B 31/00 (2006.01) B23B 51/00 (2006.01) B23C 9/00 (2006.01)

Patent

CA 2694705

A cutting tool assembly having a tool holder and a cutting tool. The cutting tool has a shank that is matingly received within an axial bore in the lower end of the tool holder. The shank includes an eccentrically-shaped driver portion. The tool holder's axial bore includes an enlarged eccentrically-shaped drive opening which is complementary in shape to, but slightly larger than, the driver portion. When the shank is inserted into the axial bore, the driver portion and drive opening are aligned allowing the cutting tool to be partially rotated relative to the tool holder. This partial rotation abuts a portion of the eccentric driver portion against the drive opening wall to provide rigid support of the cutting tool against further rotation as the tool assembly cuts. A cammed fastener releasably interlocks the partially rotated cutting tool within the tool holder.

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