Tool and tool holder for manually-operated tools

Details Tool and tool holder for manually-operated tools Tool and tool holder for manually-operated tools

B - Operations, Transporting

23

B

B23B 31/00 (2006.01) B23B 51/00 (2006.01) B25D 17/08 (2006.01)

Patent

CA 2100489

The clamping shank 1 of a chisel-cutting and/or percussion boring tool bits comprises stop faces effective in axial direction and in circumferential direction. Entrainment faces 2, open towards the free end of the clamping shank 1 are located upstream of these stop faces in direction of the cutting area. The radial dimension r of the essentially radially extending entrainment faces 2 is greater than their axial dimensions a. In cooperation with an appropriately designed tool bit receptacle, the entrainment faces 2 can carry such a large share of the torque, that the stop faces are effectively relieved or unloaded.

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