Land vehicles – Wheeled – Articulated vehicle
Patent
1978-10-11
1980-03-18
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Articulated vehicle
280504, 280515, B60D 114
Patent
active
041936116
ABSTRACT:
A coupling device for coupling a lunette-type hitch ring to a ball-type trailer hitch is provided comprising an elongate, cylindrical post for receiving a hitch ring, the hitch ring being mounted therearound. The cylindrical post includes an axially extending aperture for receiving a trailer hitch ball. A pair of tubular members are oppositely disposed on the cylindrical post and extend radially outward therefrom. The tubular members define a radial aperture extending through the cylindrical post and a stop means for preventing axial removal of the hitch ring. A shaft extends through the radial aperture and the ball, the shaft pinning the cylindrical post to the ball. One or more tubular sleeves are concentrically mounted with the cylindrical post to vary the inside or outside diameter of the post and thereby accommodate various size balls and hitch rings. Telescoping of the sleeves and the cylindrical post also accommodates balls of varying height. The shaft is provided with a pull ring and one of the pair of tubular members includes means for preventing rotation of the shaft to prevent interference between the pull ring and a trailer hitch tongue.
REFERENCES:
patent: 2125479 (1938-08-01), Zagelmeyer
patent: 2150010 (1939-03-01), Solomon
patent: 2458209 (1949-01-01), Sawatzki
patent: 2567530 (1951-09-01), Schule
patent: 3199894 (1965-08-01), McClive
patent: 3542400 (1970-11-01), Mason
patent: 3574363 (1971-04-01), Stephenson
patent: 3700263 (1972-10-01), Day
patent: 3827724 (1974-08-01), Ackley
patent: 4004822 (1977-01-01), Fisk
patent: 4072320 (1978-02-01), Powell
McGiehan Donn
Peters Jr. Joseph F.
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