Spinner hitch

Details Spinner hitch Spinner hitch

1986-05-30

1988-03-08

Love, John J.

Land vehicles

Wheeled

Articulated vehicle

280504, B60D 106

Patent

active

047295716

ABSTRACT:
The so-called spinner hitch is a centrally apertured quadrangle member adapted to be pivotally secured between spaced mounting frame members by a rod projecting through apertures in the frame members and through the central aperture through the quadrangle member. The quadrangle member has four spaced angularly related platforms to receive thrust transmitting balls of different sizes, or spaced apertured members to receive therebetween thrust transmitting clevises. The mounting frame members have locking blocks secured to their inside surfaces to engage the horizontal and vertical surfaces of the quadrangle member that is spaced oppositely from the thrust transmitting platform that is transmitting the load to restrain the quadrangle member from shifting angularly as forward or reverse thrust is exerted on the torque transmitting member by the pulling vehicle.

REFERENCES:
patent: 2872213 (1959-02-01), Hosford
patent: 2911233 (1959-11-01), Riddle
patent: 3801134 (1974-04-01), Dees
patent: 3922006 (1975-11-01), Borges
patent: 4022490 (1977-05-01), Rocksvold
patent: 4248450 (1981-02-01), McWethy
patent: 4456279 (1984-06-01), Dirck

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