Automatic fifth wheel safety lock device

Details Automatic fifth wheel safety lock device Automatic fifth wheel safety lock device

1990-04-16

1991-07-02

Marmor, Charles A.

Land vehicles

Wheeled

Articulated vehicle

280434, 280437, B62D 5306

Patent

active

050280678

ABSTRACT:
An automatic fifth wheel having a power operated jaw unlocking mechanism for non-highway use and a manual safety lock operative to immobilize the automatic unlocking mechanism so as to also enable safe over the road operation.

REFERENCES:
patent: 2471854 (1949-05-01), Bies et al.
patent: 3056612 (1962-10-01), Slaven
patent: 4871182 (1989-10-01), Altherr et al.

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