Land vehicles – Wheeled – Articulated vehicle
Patent
1975-08-28
1976-07-13
Song, Robert R.
Land vehicles
Wheeled
Articulated vehicle
B60D 106
Patent
active
039689816
ABSTRACT:
A trailer hitch assembly including a tow-carrying upstanding ball and an adaptor removably mounted on the ball to increase the effective diameter of the ball. The socket of a coupler of a trailer is mounted over the adaptor.
REFERENCES:
patent: 2516555 (1950-07-01), Dear
patent: 3307857 (1967-03-01), Robertson
patent: 3630546 (1971-12-01), Church
patent: 3862807 (1975-01-01), Doden
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