Patent ID: 8047746
Filing Date: 2011-11-01
Classification: B23B,B25B,Y10T

Abstract:
1. A cutting-tool unit, comprising: a tool body including a bore having a first section and a second section, a diameter of the first section being smaller than a diameter of the second section, the first and second sections being axially separated by a shoulder surface, the first section including a female thread; and an information-carrying chip located and mounted in the first section of the bore by a holder, the holder including a center axis, two opposite end surfaces, and a peripheral engagement surface that is concentric with the center axis and is in engagement with the female thread, the holder including a surface which, together with a surface of the first section of the bore, defines a passage radially spaced apart from the center axis, the passage accommodating a finger of a mounting device, and allowing a fluid past the holder.