Patent ID: 6302409
Filing Date: 2001-10-16
Classification: B23B,B25B,Y10T

Abstract:
In a first element of a tool system for working on objects, said element adapted for use in a tool holder or chuck, said tool holder having holding means or jaws to hold said first element of a tool system and to transfer forces to said first element, said holding means comprising tightening means, said tool holder being part of a drill machine and having a magnetically attractable portion, said first element having an axis of rotation and an elongated member disposed and centered around said axis of rotation, said elongated member having an outer surface comprising indentations and protrusions of various dimensions, said elongated member having two ends and cavities disposed on said ends, said cavities adapted and dimensioned to accept selected working tools and having means to hold said working tools and means to transmit forces to said working tools, the improvement comprising:there being disposed inside said member and exposed to said cavities at least one magnet positioned and adapted to have simultaneously direct contact with both of said working tools and to transmit magnetic forces to said working tools held in said cavities, said magnet and elongated member adapted to transmit magnetic forces via either one of said working tools to the magnetically attractable portion of said tool holder while said first tool element is held by the jaws in said tool holder, said first element and magnet also adapted to project magnetic forces in selected locations in a direction substantial normal to said axis of rotation so as to attract magnetically attractable objects to said outer surface.