Automatic self-aligning trailer hitch

Details Automatic self-aligning trailer hitch Automatic self-aligning trailer hitch

1989-08-21

1991-02-12

Hill, Mitchell J.

Land vehicles

Wheeled

Articulated vehicle

2804792, 2804793, B60D 114

Patent

active

049918656

ABSTRACT:
An automatic trailer hitch for use with a draft vehicle is disclosed. This hitch contains devices for attaching its two ends to a trailer and to a vehicle for towing the trailer. When the hitch is being connected to the vehicles, it may be extended in length; the presence of at least two telescoping members in the hitch allows such extension. Once the hitch has been connected to the vehicles, the towing vehicle may be backed towards the draft vehicle, thereby contracting the length of the hitch. A locking mechanism, comprised of a spring-loaded pawl, locks the hitch into its contracted position once it has reached a certain specified minimum length.

REFERENCES:
patent: 776292 (1904-11-01), Buller
patent: 2447737 (1948-08-01), Christensen
patent: 2676034 (1954-04-01), Tracey
patent: 2693368 (1954-11-01), Petron
patent: 2878035 (1959-03-01), Downey
patent: 3169028 (1965-02-01), Scrivner
patent: 3169782 (1965-02-01), Columbus
patent: 3860267 (1975-01-01), Lyons
patent: 4264429 (1981-05-01), Eichstadt

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