Dual function vehicle tow hook

Details Dual function vehicle tow hook Dual function vehicle tow hook

1990-10-12

1991-10-08

Marmor, Charles A.

Land vehicles

Wheeled

Articulated vehicle

280504, 280762, 410 23, B60D 104

Patent

active

050548069

ABSTRACT:
A vehicle dual function tow hook bent from one length of steel bar stock into a generally P-shaped member so as to be available for either a tie-down line, a towing line, or a tow bar. The tow hook comprises upper and lower longitudinally extending rod-stem portions having their aft ends terminating in upper and lower eyelet portions separated by a gap for receiving a substructure flange of the vehicle therein. With the eyelet portion central openings aligned with an aperture in a flange a single fastener secures the tow hook on the flange. The upper rod-stem portion has a length at least twice the length of the lower rod-stem portion while the lower rod-stem portion forward end terminates in a bend portion joined to a downwardly sloped rod-angled portion. The forward ends of the upper rod-stem portion and the rod-angled portion are joined by an open loop portion available for a towing or tie-down line. The tow hook provides a fail-safe condition whereby upon a tow bar load transmitting an excessive compressive force the two hook open loop portion deforms downwardly in a controlled manner obviating damage to the vehicle substructure.

REFERENCES:
patent: 1408081 (1922-02-01), Deems
patent: 2064415 (1936-12-01), Colman
patent: 2670951 (1954-03-01), Lucky
patent: 4431212 (1984-02-01), Hirabayashi et al.
patent: 4684305 (1987-08-01), Dubost

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