Land vehicles – Wheeled – Articulated vehicle
Patent
1989-10-03
1991-04-23
Bertsch, Richard A.
Land vehicles
Wheeled
Articulated vehicle
280480, 254420, B60D 138
Patent
active
050094459
ABSTRACT:
The invention apparatus provides a winching mechanism which is detachably secured to the forward end of the tongue of a trailer. In a first embodiment, a slip nut on a crank operated vertical threaded drive shaft is attached to one end of a cable the opposite end of which is fitted with a snap hook which can be secured to a ball mount. The cable passes around a pulley at the base of a tubular housing in which the threaded shaft and slip nut are mounted. The pulley is located below the tongue. The cable is provided with a hook which is connected to a ball mount and when the drive shaft is driven by the crank causes the front of the trailer to be lifted and drawn to the towing vehicle for connection of the ball socket to the ball on the ball mount. In a second embodiment, the cable is wound on a crank operated drum and is fed to a pulley located below the tongue in a tubular housing of shorter length than employed in the first embodiment.
REFERENCES:
patent: 1724616 (1929-08-01), Rapellin
patent: 3201144 (1965-08-01), Smyser
patent: 3596925 (1971-08-01), Richie
patent: 3718317 (1973-02-01), Hilmer
patent: 3738613 (1973-06-01), Hollis, Jr.
patent: 3767230 (1973-10-01), DeVries
patent: 4042254 (1977-08-01), Allen
patent: 4186939 (1980-02-01), Woods et al.
Bertsch Richard A.
Bompey Mitchell
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