Patent ID: 8902052

Claim:
In a trailer towed by a vehicle, said trailer having a platform mounted on a support structure, the platform moveable from a horizontal to a vertical orientation, a system for detecting the approaching proximity of an object to the rear of a towed trailer during a backup procedure wherein: a. when said platform is in its horizontal orientation, one or more proximity sensors mounted on a rear surface of said platform, and when said platform is in its vertical orientation, one or more proximity sensors mounted on a rear surface of said support structure, sense the proximity of the object, b. one or more of a display screen and an audio alert device configured to emit a sound mounted within the vehicle, said display screen in a location observable by a driver of the vehicle and said image displays in a location where the sound can be heard by said driver, c. a first wired connection extending from the one or more proximity sensors and a second wired connection extending from said display screen and audio alert device, the first wired connection and the second wired connection each having a mating portion of a easily joinable connector.