Patent ID: 8257001
Filing Date: 2012-09-04
Classification: B23B,B23C,Y10T

Abstract:
1. A tool system comprising: at least two tool parts which rotate together, around a center axis, each tool part having a respective contact surface, the respective contact surface of each of the two tool parts being opposed and bearing against one another in the region of an interface; a tooth system of intermeshing teeth and recesses being provided in the contact surfaces, the teeth and the recesses extending radially such that the width of the teeth and the recesses increases from the inner end of the teeth and the recesses to the outer end of the teeth and the recesses, the inner end of the teeth and the recesses being closer to the center axis of the tool parts than the outer end of the teeth and the recesses, at least one of the contact surfaces also having at least one prominence and the tooth system including at least two teeth on the at least one contact surface, and the prominence comprising a filling element between the two teeth, and another contact surface having at least one clearance portion in which the at least one prominence may be received, the at least one prominence and the at least one clearance portion defining at least one rotary angle position, with respect to the center axis of the tool parts, in which the contact surfaces bear against one another in the region of the interface.