Cutting tool assembly

Details Cutting tool assembly Cutting tool assembly

B - Operations, Transporting

23

D

B23D 79/04 (2006.01) B23B 31/00 (2006.01) B23C 5/10 (2006.01)

Patent

CA 2176307

A tool assembly comprises first and second tool assembly units formed with interfitting male and female coupling members coaxially coupled together so as to have a common longitudinal axis, whereby a moment transmitted to the first unit is transmitted to the second unit. Each coupling member comprises a torque transmitting component having a central portion of a radial dimension defined by a radius of a circle inscribed therein and at least one arm extending from the central portion to periphery of the corresponding coupling member. The arms of the male and female coupling members have first side walls along which the coupling members generally contact and second side walls having a gap therebetween. The first walls are directed, at least at their contact regions, substantially radially with respect to the longitudinal axis. The second side wall of the at least one arm of at least the male coupling member is oriented so that a normal thereto drawn from the longitudinal axis is not shorter than the radius of the circle inscribed in the central portion of the male coupling member.

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