which is placed in a rotationally fixed manner onto the take off shaft of the drive motor 31 or 39 respectively the overload coupling 73 comprises a pivotable arm 79 which is mounted on a bolt 91 which is mounted on the flange housing 77 the arm 79 is supported on a coil spring 85 which is held and guided in the flange housing 77 the connection between the upper end of the coil spring 85 which is settable by way of a set screw 86 and the end of the arm 79 is performed by a retaining cam 87 that is disposed there a latching pin 81 is inserted in the arm 79 the latching pin 81 engages in the axial direction into a depression 93 depression 93 in the take off sprocket 75 that has the shape of a segment of a circle fig5 and fig5 a by way of the form fitting connection of the latching pin 81 the flange housing 77 which comprises the overload coupling 73 is coupled to the take off sprocket 75 and the torque of the drive motor 31 or 39 respectively is consequently transmitted via the flange housing 77 to the take off sprocket 75 for the belts 33 and 43 should one of the belts 33 or 43 respectively during the operation of the machine.