Patent ID: 7845844

Claim:
An extruder device comprising an extruder worm and a worm drive, said worm drive including a drive motor which includes a rotor which during operation is connected to the extruder worm such that the rotor and the extruder worm rotate at a same speed during operation and are connected to detachable torque-transmitting elements which transmit torque between the rotor and the extruder worm and which are detachable therefrom, the detachable torque-transmitting elements (i) being arranged between the motor and the extruder worm and (ii) including a torque transmission interface at which torque is transmitted from a bushing fastened on a face side of the rotor to a connecting section that is at least partially encompassed by the bushing, the torque transmission interface, the bushing, and the connecting section being located, in an axial direction, completely outside the rotor.