Land vehicles – Wheeled – Articulated vehicle
Patent
1992-06-03
1994-03-08
Focarino, Margaret A.
Land vehicles
Wheeled
Articulated vehicle
280475, B60P 310
Patent
active
052921450
ABSTRACT:
A boat trailer comprises a rectangular rear frame section and a forwardly extending hitch bar. On the rear frame section is mounted a pair of longitudinally extending bunks onto which the boat can rest during transportation to avoid pressure points. Inside the bunks toward a longitudinal center line of the trailer are provided two pairs of roller assemblies which can be raised to a position to hold the boat above the bunks for loading and unloading and can be lowered to a position in which the boat is lowered onto the bunks and separated from the rollers to avoid pressure points during transportation. The roller assemblies are commonly actuated by a linear actuator arrangement at the front of the hitch bar. Each roller assembly includes four rollers independently pivotal to allow the rollers to follow the contour of the boat. At a forward end of the hitch bar is mounted a security leg which can extend along the underside of the hitch bar or can be moved downwardly to a deployed position in which it raises the hitch bar above the normal hitch position so as to incline the trailer rearwardly and can be locked in that position to prevent the hitch being used.
REFERENCES:
patent: 3146002 (1964-08-01), Faber
patent: 3348860 (1967-10-01), Buckles
patent: 3627352 (1971-12-01), Canole
patent: 3768677 (1973-10-01), Moss
patent: 3791676 (1974-02-01), Spratlen
patent: 4063750 (1977-12-01), Mutchler
patent: 4319862 (1982-03-01), Cook
patent: 4469348 (1984-09-01), Crook
patent: 4530634 (1985-07-01), Johnson
patent: 4934895 (1990-06-01), Thibodeaux
patent: 5067746 (1991-11-01), Baker
patent: 5152657 (1992-10-01), Kehne
Ade Stanley G.
Battison Adrian D.
Focarino Margaret A.
Hurley Kevin
Thrift Murray E.
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