Trailer pin latch plates

Details Trailer pin latch plates Trailer pin latch plates

1975-12-29

1977-08-02

Song, Robert R.

Land vehicles

Wheeled

Articulated vehicle

70232, B60D 100

Patent

active

040392023

ABSTRACT:
A pair of plates, rotatably joined together on the underside of a trailer or semi-trailer, which in the latched position enclose the trailer pin so as to prevent a tractor from being joined to the fifth wheel of a tractor. The plates, when in the latch position, may be fastened by key locking or other latching means. Opening of the plates permits access of a tractor fifth wheel to the trailer pin.

REFERENCES:
patent: 1329913 (1920-02-01), McGuire
patent: 2554306 (1951-05-01), Mack
patent: 2785564 (1957-03-01), Rossi
patent: 3269159 (1966-08-01), Young

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