Patent ID: 7234902
Filing Date: 2007-06-26
Classification: B23B,B23C,Y10T

Abstract:
1. A tool holder apparatus, comprising: an elongated shank intended to be supported for rotation about a shank-turning axis, said shank having an internal frustoconical female opening, and a plug-receiving bore intersecting the female opening; an elongated tool holder for supporting a cutting tool in a cutting position, the tool holder having an external frustoconical male structure receivable in the female opening of the shank to a locked position, and a camming opening aligned with the plug-receiving bore of the shank when the male structure is received in the female opening; a camming plug having a first section disposed in the plug-receiving bore so as to be rotatable about a plug-turning axis, the camming plug having camming structure receivable in the camming opening of the tool holder and engageable therewith such that as the camming plug is rotated in a first direction, the camming structure cams the tool holder in a first axial direction toward said locked position with the shank, and as the camming plug is rotated in an opposite direction, the camming structure cams the tool holder in an opposite axial direction, away from said locked position with the shank.