DISPOSITIF POUR TRANSMETTRE UN COUPLE DE ROTATION A UN OUTIL, SERRE DANS UN MANDRIN, NOTAMMENT DANS UNE PERCEUSE A PERCUSSION PORTATIVE

摘要

An arrangement for torque transmitting to impacting and/or drilling tool has a chuck provided with clamping jaws which in the region of their contact with a tool shaft have a toothing including a plurality of teeth which extend parallel to an axis of the chuck and engage with a toothed portion of the shaft end.