Automatically collapsible trailer hitch for dump trucks

Details Automatically collapsible trailer hitch for dump trucks Automatically collapsible trailer hitch for dump trucks

1979-09-05

1981-02-24

Silverstrim, John P.

Land vehicles: dumping

Tilting

Tilting about plural or shifting fulcrums

280491B, B60P 104, B60D 114

Patent

active

042523737

ABSTRACT:
A collapsible trailer hitch to be used on a truck which has a pivoting platform for dumping, includes a Y-member attached to the chassis of the truck and a support member for the trailer tongue secured to a rotating bar journaled to the pivoting platform of the truck by mounting brackets. The support member is attached to the Y-member by means of connecting links which are pivoted at both ends. The hitch collapses and restores automatically upon pivoting of the platform.

REFERENCES:
patent: 2799531 (1957-07-01), Vine
patent: 3298744 (1967-01-01), Keim
patent: 3545791 (1970-12-01), Lugash
patent: 3565461 (1971-02-01), Jones
patent: 3612576 (1971-10-01), Marler
patent: 3638811 (1972-02-01), Robinson
patent: 3666121 (1972-05-01), Denner
patent: 3860267 (1975-01-01), Lyons
patent: 4026590 (1977-05-01), Holm
patent: 4163568 (1979-08-01), McCumber

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