Air operated fifth wheel

Details Air operated fifth wheel Air operated fifth wheel

1993-11-30

1995-12-05

Focarino, Margaret A.

Land vehicles

Wheeled

Articulated vehicle

280434, B62D 5310

Patent

active

054722233

ABSTRACT:
An accessory fluid cylinder and cam apparatus mounted under a fifth wheel, which is both manually operable or energizable by a tractor air system to enable a driver to automatically and remotely release the safety latch and unlock the fifth wheel jaw to release a trailer king pin when the tractor parking brake is engaged.

REFERENCES:
patent: 2471854 (1949-05-01), Bies et al.
patent: 3888514 (1975-06-01), Klein
patent: 4871182 (1989-10-01), Altherr et al.
patent: 5137298 (1992-08-01), Madura
patent: 5176396 (1993-01-01), Hawthorne et al.
patent: 5257796 (1993-11-01), Thorwall et al.

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