| 摘要 |
<p>The aid has a driver and/or recesses (1) fastened at a non-driven wheel (11) with respect to axis of rotation of the wheel, and lying on a concentric circle. A drive axle (3) is arranged at a vehicle and/or a trailer in a region of axis, and comprises a drive head (2) that has a counter piece at a circumferential line for a driver and/or recesses of the wheel to enter force into the driver and/or recesses by rotation of the drive head. The drive head is extended or retracted in an active region of the driver and/or the recesses of the wheel.</p> |
