Trailer hitch alignment device

Details Trailer hitch alignment device Trailer hitch alignment device

1975-08-27

1977-04-19

Martin, Jr., William D.

Geometrical instruments

Miscellaneous

Light direction

33193, 33264, B60Q 100, G01B 728

Patent

active

040179770

ABSTRACT:
A trailer hitch alignment device adapted to be releasably mounted to the draw bar of an automobile including a spring loaded spool from which a cable is played out to be turned around a guide pulley into a tubular guide. The tubular guide is pivotally mounted to align with the cable, concurrently articulating the wiper of a potentiometer. The potentiometer is connected to a meter inside the automobile, providing a visual indication of the angle of departure of the cable. Thus, by stretching the cable to connect to the hitch of a trailer, a remote indication on the meter will indicate the necessary direction of advancement of the automobile in order to effect alignment for coupling.

REFERENCES:
patent: 2396453 (1946-03-01), Windle
patent: 2451244 (1948-10-01), Scott et al.
patent: 3248794 (1966-05-01), Corry
patent: 3731274 (1973-05-01), Green
patent: 3734539 (1973-05-01), Salmi
patent: 3832781 (1974-09-01), Flagge

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