US 11,987,181 B2
Driver assistance system and method for coupling a trailer to a towing vehicle
Benjamin Kaufhold, Dreieich (DE); and Swen Saupe, Mainz (DE)
Assigned to Jost-Werke Deutschland GmbH, Neu-Isenburg (DE)
Filed by JOST-WERKE DEUTSCHLAND GMBH, Neu-Isenburg (DE)
Filed on May 7, 2021, as Appl. No. 17/314,444.
Claims priority of application No. 102020003141.2 (DE), filed on May 26, 2020.
Prior Publication US 2021/0370830 A1, Dec. 2, 2021
Int. Cl. B60R 1/00 (2022.01); B60D 1/01 (2006.01); B60D 1/36 (2006.01); B60G 17/015 (2006.01); B60R 1/26 (2022.01); B60W 10/04 (2006.01); B60W 10/10 (2012.01); B60W 10/18 (2012.01); B60W 10/22 (2006.01); H04N 7/18 (2006.01)
CPC B60R 1/003 (2013.01) [B60D 1/01 (2013.01); B60D 1/36 (2013.01); B60G 17/0155 (2013.01); B60R 1/26 (2022.01); B60W 10/04 (2013.01); B60W 10/10 (2013.01); B60W 10/18 (2013.01); B60W 10/22 (2013.01); H04N 7/18 (2013.01); B60G 2202/152 (2013.01); B60G 2500/30 (2013.01); B60R 2300/808 (2013.01); B60R 2300/8086 (2013.01); B60W 2420/403 (2013.01); B60W 2540/10 (2013.01); B60W 2710/06 (2013.01); B60W 2710/10 (2013.01); B60W 2710/18 (2013.01); B60W 2710/22 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A driver assistance system for coupling a trailer to a towing vehicle, comprising:
a video camera attached to the towing vehicle and an associated display device in a driver's field of vision, in whose video image a static guide marking is displayed along which a coupling mouth arranged on the towing vehicle can be contacted with a drawbar eye held on the trailer by a drawbar,
wherein the video camera is arranged at a vertical distance from a coupling and the guide marking is formed by two beam corridors arranged on both sides of the vehicle's longitudinal axis (Z) converging towards one another in the rearward direction of the towing vehicle, and
wherein the beam corridors each have an inner boundary line and an outer boundary line and for a correct coupling a reference element of the drawbar eye is arranged in the video image between the inner boundary line and the outer boundary line of both beam corridors during the approach of the coupling mouth and the drawbar eye.