Patent ID: 7597508
Filing Date: 2009-10-06
Classification: B23B,Y10T

Abstract:
1. A cutting tool having a tool axis (A) establishing a forward-to-rear direction, the cutting tool comprising a cutting insert, an insert holder and a fastener, the cutting insert having an insert axis (B), opposing end surfaces, a bore extending along the insert axis between the end surfaces, and a peripheral side surface located between the end surfaces, the peripheral side surface comprising a first wall, a second wall, a third wall and at least one operative cutting section, the insert holder comprises a forward securing portion and a rear body portion, the forward securing portion comprises a base, a hole and securing surface, the hole extending along a holder axis and opening out to the base, the securing surface including a first support, a second support and a third support which all extend transversely to the base, at least a portion of the first support abuts at least a portion of the first wall along a first abutment region, at least a portion of the second support abuts at least a portion of the second wall along a second abutment region and at least a portion of the third support abuts at least a portion of the third wall along a third abutment region, wherein: the first and the second abutment regions diverge downwardly, the second and the third abutment regions diverge rearwardly, and the third wall generally faces upwardly; and the fastener is located in the bore and the hole.