Trailer hitch

Details Trailer hitch Trailer hitch

1990-12-04

1992-07-28

Rice, Kenneth R.

Land vehicles

Wheeled

Articulated vehicle

280511, B60D 106

Patent

active

051335727

ABSTRACT:
A ball joint type trailer hitch which comprises a ball assembly and a ball receiving assembly comprising a body forming a ball receiving end having formed therein a generally spherical cavity truncated at the bottom thereby forming a passage for the shaft when the ball is in the cavity, a ball insertion and removal opening intersecting the cavity thereby forming a passage between the opening and the cavity for permitting the ball to be inserted into the opening and moved distally into the cavity, ball locking means supported in the passage for selective movement from an unlocked position adjacent the proximate end of the body to a locked position in engagement with the ball in the cavity, and means for selectively fixing the ball locking means in engagement with the ball.

REFERENCES:
patent: 1636295 (1927-07-01), Dempsey
patent: 2848253 (1958-08-01), Walker
patent: 3374268 (1968-03-01), Groves
patent: 3773358 (1973-11-01), Butler et al.
patent: 3831982 (1974-08-01), Bernhardt et al.
patent: 4225261 (1980-09-01), Marx
patent: 4344635 (1982-08-01), Welton

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