| 摘要 |
The separate drive aid (1) has a drive motor, a drive wheel (21), a seat (9) for a driver and a coupling unit (5), by which the drive aid is detachably fastened at the person- or load carrier. The coupling unit has a hinge, which is arranged between the coupling unit and the drive wheel. The hinge aligns with a wheel axle (61) of the person- or load carrier in the mounted state of the drive aid on the person- or load carrier. The hinge has two hinge axes and is movable in two degrees of freedom and intersects the two hinge axes. |
