Land vehicles – Wheeled – Articulated vehicle
Reexamination Certificate
2005-05-03
2005-05-03
Lerner, Avraham (Department: 3611)
Land vehicles
Wheeled
Articulated vehicle
C280S432000
Reexamination Certificate
active
06886847
ABSTRACT:
A trailer hitch alignment system provides a system that can be utilized with different trailers without requiring modification of the trailers or requiring minor modifications that require less than a minute or so to effect. In a preferred embodiment, the present invention provides two acoustic transceivers for directing acoustic signals towards and receiving reflected acoustic signals from a downwardly extending hitch assembly for a gooseneck trailer whereby this unique feature of the gooseneck trailer is utilized as a signal reflector. A timer is utilized to time the transmitted/reflected signals to determine at least two distances for determining a relative position of the downwardly extending hitch. A readout gives the driver ongoing feedback for aligning the gooseneck downwardly extending hitch with the hitch ball.
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Piper Alan L.
Piper Dean Alan
Lerner Avraham
Nash Kenneth L.
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