Land vehicles – Wheeled – Articulated vehicle
Patent
1991-02-26
1992-09-08
Marmor, Charles A.
Land vehicles
Wheeled
Articulated vehicle
280901, 280511, 2804915, 280433, B60D 106, B60D 152, B62D 5306
Patent
active
051451999
ABSTRACT:
A clear bed gooseneck trailer hitch is provided. The trailer hitch is comprised of a wide metal plate, or disc, supported on a truck bed and having a standard long shank hitch ball fixedly connected perpendicularly therethrough. The threaded shaft of the shank hitch ball attaches to a threaded hole provided in a steel plate or channel of suitable design affixed underneath the truck bed to the frame rails of a pickup truck over the rear axle area. The plate has two handles on its top side located near the edge of the disc for use in turning the disc manually or by a torque bar upon attachment to or removal from the truck bed. Once the disc is removed, the truck bed remains clear and unobstructed for use in other conventional manners. The disc is used with a rubber bed mat, or a rubber washer, having a circumference slightly larger than the disc. The disc is designed with a slight camber or concavity so that its circumference initially contacts the rubber mat upon tightening and causes a compressive friction that securely holds the disc in place and prevents rotation.
REFERENCES:
patent: 3650546 (1972-03-01), Koening
patent: 3703301 (1972-11-01), Randle
patent: 3889978 (1975-06-01), Kann
patent: 4176853 (1979-12-01), Brock
patent: 4183548 (1980-01-01), Schneckloth
patent: 4546994 (1985-10-01), Taylor
patent: 4643443 (1987-02-01), Husa
patent: 4823905 (1989-04-01), Pielh
patent: 4883285 (1989-11-01), Hohrman
patent: 4884652 (1989-12-01), Vollmer
patent: 4921266 (1990-05-01), Beals
Hurley Kevin
Marmor Charles A.
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