Patent ID: 7591340

Claim:
A steering and wheel drive ( 1 , 53 , 54 ) for a ground conveyor having: a traction motor ( 2 ), a traction gear ( 21 ), a steering motor ( 4 ), and a steering gear ( 5 , 32 , 32 ′), wherein a rotor ( 23 ), arranged on a wheel hub ( 22 ) is driven and swivels about a vertical axis (V), the traction motor ( 2 ), the steering motor ( 4 ) and the steering gear ( 5 , 32 , 32 ′) are arranged coaxially with each other, the traction motor ( 2 ) drives the fraction gear ( 21 ) via first and second spur-wheels ( 19 , 20 ), and the steering motor ( 4 ) is located adjacent the traction motor ( 2 ); and a traction motor shaft ( 3 ), driven by the traction motor ( 2 ), is a solid shaft and a steering motor shaft ( 9 , 55 ), driven by the steering motor ( 4 ), is a hollow shaft.