| 摘要 |
<p>The wheel has an automatic locking device locking a lifted maneuver wheel (3), and a pivotable stopper (13) toothed after lifting the maneuver wheel in a resting position with a lower end of an adjustable socket (5). A vertical cylindrical holder (6) is connected with a trailer towing bar and surrounded by a firm bracket that is adjustable with a hand in axial direction. A ball coupling (2) is attached at an end of a pole (1) for articulated connection of a trailer with a towing hook of a vehicle. Arms of a handle (14) are surrounded by a coil spring.</p> |
