Torque transmitting device

Details Torque transmitting device Torque transmitting device

B - Operations, Transporting

28

D

B28D 1/14 (2006.01) B23B 31/02 (2006.01) B23B 45/16 (2006.01) B25D 16/00 (2006.01) B25D 17/08 (2006.01)

Patent

CA 2092584

ABSTRACT A device provided on machine tools for transmitting torque onto tools, comprising at least two diametrically opposite rotary driving grooves openly issuing at the end of the tool shank and rotary drivers engaging in these and at least one radially movable locking member of the tool seat for engagement of a locking groove in the tool shank closed at both ends in the axial direction, wherein the rotary drivers have a cross section which is tapered towards the rotary axis of the seat to have a stepped shape and, respectively, have at least two rotary driving surfaces in each sense of rotation which are mutually offset to have a stepped shape for reducing susceptibility to wear. A tool for insertion in such a device is also disclosed.

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