Trailer safety hitch

Details Trailer safety hitch Trailer safety hitch

1977-11-21

1980-07-08

Song, Robert R.

Land vehicles

Wheeled

Articulated vehicle

B80D 106

Patent

active

042114284

ABSTRACT:
The invention includes a plate which is welded or otherwise suitably secured to the base of the trailer tongue in a substantially horizontal position. The plate has a pair of oppositely disposed arcuate slots therethrough in concentric relationship to the socket axis. The vehicle frame upon which a ball is mounted is also provided with a pair of vertical pins secured thereto which extend upwardly through the slots in the plate. Cotter keys are provided to maintain the vertical pins in the plate slots in the event of hitch failure.

REFERENCES:
patent: 3069182 (1962-12-01), Hufford
patent: 3876242 (1975-04-01), Eaton
patent: 4008906 (1977-02-01), Schafer et al.
patent: 4072320 (1978-02-01), Powell

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