Towing head assembly

Details Towing head assembly Towing head assembly

1990-05-23

1992-01-07

Marmor, Charles A.

Land vehicles

Wheeled

Articulated vehicle

280451, 280504, 180904, B60D 128

Patent

active

050784188

ABSTRACT:
A towing head assembly, designed to be mounted on a tow bar of a towing vehicle, which is structured to innerconnect the towing vehicle to a tow pin of the type normally found on aircraft landing gear. A connecting structure includes a rotatable cam selectively positionable into a clamping or locking position defined by camming engagement of a cam structure with the tow pin of the aircraft forcing it to be clamped between a remainder of the mounting structure such as one or more hook members. The cam structure includes an adjusting feature which adjustably forces a portion thereof into camming engagement with the tow pin so as to overcome wear of the tow pin and ensure a firm, clamping engagement therewith.

REFERENCES:
patent: Re14582 (1919-01-01), Cadman
patent: 1342593 (1920-06-01), Orr
patent: 1419398 (1922-06-01), Mason
patent: 2468669 (1949-04-01), Holmes
patent: 2475780 (1949-07-01), Fearnehough
patent: 2665128 (1954-01-01), Guffey
patent: 2998268 (1961-08-01), Witter
patent: 3580612 (1971-05-01), Pearson
patent: 4418936 (1983-12-01), Adams
patent: 4426098 (1984-01-01), Kalmanson

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