Ball hitch for an implement drawbar of an agricultural vehicle

Land vehicles – Wheeled – Articulated vehicle

Reexamination Certificate

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Details

C280S492000, C280S493000, C403S131000

Reexamination Certificate

active

06959942

ABSTRACT:
A ball hitch is disclosed for connecting a drawbar of an agricultural vehicle to a coupling pin of a trailer. The ball hitch comprises a ball element having a part-spherical outer surface and a cylindrical bore for receiving the coupling pin of the trailer. The socket element is constructed as a sleeve that is removably mountable in the drawbar and has a part-spherical inner surface within which the ball element is received to allow the coupling pin to swivel about mutually orthogonal axes relative to the drawbar.

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patent: 6520682 (2003-02-01), Kletzli et al.
patent: 6764092 (2004-07-01), Greaves, Jr.
patent: 2002/0192016 (2002-12-01), Monninfhoff et al.
patent: 2003/0094786 (2003-05-01), Greaves

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