Tractor and semi-trailer safety device

Details Tractor and semi-trailer safety device Tractor and semi-trailer safety device

1976-06-17

1978-03-21

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Articulated vehicle

280451, B62D 5308

Patent

active

040799590

ABSTRACT:
A tractor-trailer combination has a safety stop arrangement mounted on the trailer coupler base member for limiting relative pivotal movement of the trailer and tractor by engaging in a slot provided in the fifth wheel of the tractor and stopping undesirable movement. If sufficient force is created by the relative movement of the tractor and trailer, the tractor-trailer pin coupling will part before the break point of the safety stop arrangement is reached and the trailer will be separated from the tractor in order to prevent a serious jackknifing situation.

REFERENCES:
patent: 2773701 (1956-12-01), Safko
patent: 2815224 (1957-12-01), Waters

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