Land vehicles – Wheeled – Articulated vehicle
Patent
1991-11-26
1993-09-21
Focarino, Margaret A.
Land vehicles
Wheeled
Articulated vehicle
280433, 2804915, 280511, 280901, B26D 152
Patent
active
052462447
ABSTRACT:
A trailer hitch assembly for installation to the frame or chassis of a pick-up truck and for use with a gooseneck trailer is herein provided, the trailer hitch assembly comprising a detachable ball hitch including a stem attached at one end thereof, a mounting frame which includes means for attaching the mounting frame to the chassis of the truck, and receiving means for securing the stem of the ball hitch to the mounting frame, and integrated locking means for locking the stem of the ball hitch in the receiving means in an operative, locked position. This invention provides the distinct advantage of using integrated locking means which do not include a lock washer, such that the tendency of the lock washer to rip and tear the mounting plate with continued tightenings and loosenings is obviated. The hitch assembly is completely concealed when not in use, leaving the truck bed with a flush floor.
REFERENCES:
patent: 3659876 (1972-05-01), Melton
patent: 3796444 (1974-03-01), Hixon
patent: 4921266 (1990-05-01), Beals
patent: 5143393 (1992-09-01), Meyer
patent: 5145199 (1992-09-01), Howard
Focarino Margaret A.
Hurley Kevin
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