Patent ID: 9452476
Filing Date: 2016-09-27
CPC Classification: B23B,Y10T

Claim Text:
1. A fixing apparatus releasably fixing a tool holder on a tool disk about at least one fixing axis, comprising; first and second bearing surfaces on the tool holder and tool disk, respectively, mutually contacting one another; and first and second fixing elements on the tool holder and tool disk, respectively, said first fixing element including two spaced apart fixing bodies in fixed position connections with the tool holder and with one of said fixing bodies on each side of the fixing axis, each of said fixing bodies having a fixing surface extending transversely relative to the fixing axis and being placeable from a side of each of said fixing bodies facing the tool disk against an associated positioning surface on the tool disk, said second fixing element being spaced apart on said tool disk, said fixing bodies being strip members mounted on opposite side faces of a base plate of the tool holder and fixed on said opposite side faces by threaded connections, said threaded connections having form locking elements forming precision-fit connections between said fixing bodies and the base plate, each of said threaded connections including a screw and associated holes in the respective strip member and said base plate, each of said locking elements including a bushing having an outer surface matching and directly engaging outer surfaces of the respective holes in the respective strip member and said base plate about entire circumferences thereof.