Land vehicles – Wheeled – Articulated vehicle
Patent
1995-08-25
1998-02-24
Johnson, Brian L.
Land vehicles
Wheeled
Articulated vehicle
280507, 224527, B62D 5308
Patent
active
057204926
ABSTRACT:
A rigid, removable cover for use on a truck's fifth wheel. The cover is intended for use when the fifth wheel is not being used, and a trailer is therefore not present. The cover prevents dirt and small rocks from becoming lodged in the friction-reducing grease covering the fifth wheel. Such rocks tend to scar and damage the fifth wheel later, when a trailer is attached, and substantial weight is put on the fifth wheel. A carrying box, sized to accept the rigid cover, is provided, and is typically mounted on the back of the truck cab. Notches in the box for the cover's handle require the user to insert the cover into the box with a consistent orientation, thereby preventing the transfer of grease from the one side of the cover to the other. The cover provides a body that is similar in shape to the fifth wheel and a rim that depends around the edge of the fifth wheel skid plate. A handle allows the user to install and remove the cover. Clips lock in place the forward portion of the fifth wheel when the cover is installed, and hold the cover in place during travel. A throat protector keeps debris from entering the throat area of the fifth wheel, between the two skid ramps. The throat protector provides a lip that locks in place over a cross member at the rear of the fifth wheel.
REFERENCES:
patent: 3741433 (1973-06-01), Bentley et al.
patent: 3936077 (1976-02-01), Bliek
patent: 4169635 (1979-10-01), Szalay et al.
patent: 4752081 (1988-06-01), Reeners
patent: 4771926 (1988-09-01), Anderson et al.
patent: 5038983 (1991-08-01), Tomososki
patent: 5058914 (1991-10-01), Murcheson
patent: 5165713 (1992-11-01), Picard
patent: 5303820 (1994-04-01), Comtois
patent: 5536031 (1996-07-01), Hurley
Johnson Brian L.
Lerner Avraham
Thompson David S.
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