Drill chuck

A drill chuck comprising:

• a chuck body on which a threaded ring is guided that is in engagement with rows of teeth assigned to clamping jaws for adjusting the clamping jaws having a thread and being guided in the chuck body;
• and
• a clamping sleeve that surrounds the chuck body and is coupled with the threaded ring in a torque-transmitting manner and that are coupled with the chuck body by a locking device, the locking device being formed by a locking sleeve that has a lock toothing and is non-rotatably, permanently connected to the threaded ring and that is axially adjustable between a drilling configuration and a clamping configuration relative to the threaded ring and the clamping sleeve, and the locking device also being formed by a mating toothing assigned to the chuck body,
• wherein the mating toothing is provided on a toothed ring that is non-rotatably, permanently connected to the chuck body,
• wherein the toothed ring is axially adjustable against a spring element supported on the chuck body, and
• wherein at least one control cam is assigned to the locking sleeve, upon which a radial cam directly assigned to the clamping sleeve acts for axial adjustment of the locking sleeve.