Control bolt actuating device

A bolt actuating device with a locking unit having a lock bolt and an electric adjusting device, the adjusting device having a direct current electric motor with anticlockwise-clockwise rotation, whose rotation direction is controllable by polarity reversal and in which there is a guide member moveable relative to a gear for transforming the motor rotation into a longitudinal movement along a motor rotation axis, wherein the bolt is oriented transversely to a motor shaft and there is a flexible shaft between the gear and the bolt, with which the longitudinal movement can be transformed into a transverse movement, wherein the motor and the gear are located on a mounting plate, wherein for emergency unlocking the mounting plate is placed in a motor reception system so as to be displaceable away from the bolt and in the direction of the motor shaft, wherein the bolt is separately displaceably located in the casing and wherein a holding device is provided, which detachably holds in an operating position the motor, the gear and the mounting plate.