Communications: electrical – Land vehicle alarms or indicators – For trailer
Patent
1999-03-12
2000-08-08
Hofsass, Jeffery A.
Communications: electrical
Land vehicle alarms or indicators
For trailer
340471, 340472, 340473, 340429, 307 101, 307 108, 280477, G08B 2100
Patent
active
061007951
ABSTRACT:
A trailer hitch alignment system for allowing a user to easily align a hitch of a vehicle with a trailer hitch. The inventive device includes a control that is mountable to a visor of the vehicle in view of the driver, a receiver unit attachable to the bumper of the vehicle and in communication with the control unit, a transmitter unit removably attachable to a trailer hitch that transmits a locating signal that is detectable by the receiver unit, and a storage case. Electronic circuitry within the control unit determines the position of the transmitter unit from the receiver unit from the reception of the locating signal. The control unit includes a turn right indicator and a turn left indicator for visually indicating to the user whether to turn left or right while backing toward the conventional trailer. The control unit also includes a buzzer and stop indicator light for indicating to the user when the ball hitch is positioned below the coupler of the trailer hitch. The control unit also includes a display screen that visually indicates the position of the vehicle with respect to the trailer hitch. If the user needs to turn left or right, either the turn left indicator or the turn right indicator will display various levels of lights indicating to the user that they must turn appropriately for proper alignment of the vehicle with the conventional trailer.
REFERENCES:
patent: 3924257 (1975-12-01), Roberts
patent: 3938122 (1976-02-01), Mangus
patent: 4054302 (1977-10-01), Campbell
patent: 4187494 (1980-02-01), Jessee
patent: 4952908 (1990-08-01), Sanner
patent: 5108123 (1992-04-01), Rubenzik
patent: 5191328 (1993-03-01), Nelson
patent: 5558352 (1996-09-01), Mills
patent: 5650764 (1997-07-01), McCullough
patent: 5951035 (1999-09-01), Phillips, Jr. et al.
Otterbacher Curtis W.
Otterbacher Marguerite A.
Hofsass Jeffery A.
Neustel Michael S.
Nguyen Tai T.
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