Ball coupling

Details Ball coupling Ball coupling

1975-12-19

1977-02-22

Song, Robert R.

Land vehicles

Wheeled

Articulated vehicle

B80D 106

Patent

active

040089061

ABSTRACT:
A ball coupling includes a tractor drawbar mounted hitch ball, substantially englobed by a cap assembly which is slidable on the hitch ball. The cap assembly includes a cap having a frusto-conical surface which non-rotatably engages a frusto-conical through opening in an implement drawbar attached adapter. A lockable fastener abuts the adapter and protrudes into the smaller base of the adapter opening and threads into a threaded hole in the smaller base of the cap to draw the cap assembly into the adapter.

REFERENCES:
patent: 2549178 (1951-04-01), Dear
patent: 2558906 (1951-07-01), Leon

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