Patent ID: 7278950

Claim:
A stage-geared gearbox for motor vehicles, comprising: an unsynchronized basic gearbox, the unsynchronized basic gearbox comprising at least one unsynchronized gear; at least one synchronized auxiliary gear; and at least one control unit for controlling engagement of the unsynchronized and synchronized auxiliary gears and neutral positions of the unsynchronized and synchronized gears, wherein, when the control unit receives a driver shift input to put all unsynchronized gears of the basic gearbox in a basic gearbox neutral position, the control unit puts the at least one synchronized auxiliary gear in an auxiliary gear neutral position such that gear reengagement through a reengagement of the at least one synchronized auxiliary gear can be secured if an engine of the motor vehicle stops while the unsynchronized gears are in the basic gearbox neutral position and the vehicle is driven at a speed other than zero.