Truck trailer hitch

Details Truck trailer hitch Truck trailer hitch

1989-04-26

1990-09-04

Hill, Mitchell J.

Land vehicles

Wheeled

Articulated vehicle

2804791, B60D 104, B60D 126

Patent

active

049538837

ABSTRACT:
The trailer hitch comprises an arm mounted on a motor vehicle through a horizontal, transversal pivot, and having a rear, free end distant from the pivot and formed with an arcuate, convex surface for supporting the draw pole of the trailer. The draw pole has its front, free end provided with a coupling ring. The arm is rotated about its horizontal pivot with the arcuate surface supporting the draw pole in order to successively lift and lower the pole free end and therefore the coupling ring and thereby enable engagement of the coupling ring with an upwardly projecting pintle hook secured to the motor vehicle. Engagement of the coupling ring with the pintle hook hitches the trailer to the vehicle.

REFERENCES:
patent: 665294 (1901-01-01), Williams
patent: 2760789 (1956-08-01), Wampler
patent: 2791443 (1957-05-01), Allard
patent: 2804315 (1957-08-01), Guye
patent: 3052487 (1962-09-01), Harbers et al.
patent: 3319977 (1967-05-01), Quanot et al.
patent: 3565459 (1971-02-01), Reid
patent: 3649048 (1972-03-01), Garnett
patent: 3727958 (1973-04-01), Peters
patent: 3891239 (1975-06-01), Leo et al.
patent: 4225149 (1980-09-01), Koopman
patent: 4389058 (1983-06-01), Cadwell
patent: 4475741 (1984-10-01), Conrad

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