Patent ID: 7063488

Claim:
A turning comprising: a holder including an insert seat having a base surface and a lateral support surface structure upstanding from the base surface; a turning insert having a top side, an underside, and a flank surface interconnecting the top side and the underside, a blind hole formed in the underside, the underside resting upon the base surface, and the flank surface engaging the upright support surface structure, a support pin disposed in the holder and including first and second arms arranged generally in an L-shape, the first arm extending upwardly into the blind hole, the second arm including an end located remotely from the first arm and including two wedge-shaped portions forming therebetween a V-shaped cavity; a pressure-generating member arranged in the holder and including a recessed waist portion received in the cavity for permitting the pressure generating member to rotate relative to the support pin, the pressure generating member arranged wherein rotation thereof displaces the end of the second arm and causes the pin to pivot in a direction wherein the first arm presses the flank surface of the insert laterally against the lateral support surface structure.