Land vehicles – Wheeled – Articulated vehicle
Patent
1975-07-22
1976-12-07
Song, Robert R.
Land vehicles
Wheeled
Articulated vehicle
B62D 5310
Patent
active
039958779
ABSTRACT:
An improved fifth wheel for a tractor-trailer rig, characterized by a first subassembly including a wear plate adapted to be mounted on a downwardly facing surface of a trailer and having a king pin projected normally therefrom, and a second subassembly adapted to be pivotally mounted on an upwardly facing surface of a tractor and brought into contiguous relation with the first subassembly, including a receiver for capturing the king pin and safety means responsive to a failure of the king pin or its latching mechanism for joining the first subassembly with the second subassembly.
REFERENCES:
patent: 2166308 (1939-07-01), Logan
patent: 2450201 (1948-09-01), Logan
patent: 2550632 (1951-04-01), Young et al.
patent: 2843398 (1958-07-01), Apgar
patent: 3892426 (1975-07-01), Ferris
Albrecht William P.
Sparks Ralph H.
Manning John R.
McCaul Paul F.
Mott Monte F.
Schrecengost R.
Song Robert R.
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