Land vehicles – Wheeled – Articulated vehicle
Patent
1994-03-01
1995-02-28
Tyson, Karin L.
Land vehicles
Wheeled
Articulated vehicle
2804911, B60P 310
Patent
active
053930835
ABSTRACT:
Disclosed is a new collapsible boat trailer for low speed, short distance vehicle-towed transport, launching, and retrieval of lightweight boats which is quickly disassemblable without tools into small lightweight components for stowage. The collapsible boat trailer comprises a rigid frame which includes a tubular cross member with a forward extending towing bar coupling structure fixedly connected centrally intermediate the ends thereof. A wheel assembly extends downwardly from both ends of the cross member whereby the boat trailer may roll across the ground. The upper ends of the wheel assemblies are pivotally connected to the cross member such that they may be pivoted inwardly upwardly to lie adjacent the cross member for inoperable stowage. An elongated two-piece towing bar extends from the front of the towing bar coupling structure. The towing bar is separable from the frame, as are the two pieces of the towing bar separable from each other for inoperable stowage. The towing bar includes a ball hitch socket assembly connected to the proximal end thereof whereby the boat trailer may be connected to a conventional motor vehicle-mounted hitch ball for towing thereof. The towing bar additionally has a boat keel roller assembly and a winch assembly operably mounted thereon whereby facilitating loading a boat onto the boat trailer. The winch assembly may be adjusted over a plurality of discreet longitudinal adjustment positions on the towing bar. A brace assembly holds the cross member rigid normal the towing bar, being separable from the cross member and towing bar for inoperable stowage. A boat cradle assembly is mounted to the cross member whereupon the boat may be supported upright during operation of the boat trailer, the cradle being separable from the cross member for inoperable stowage. Locking pins snapidly secure the separable assemblies together in their operable positions, the locking pins being removable for disassembly when it is desired to stow the boat trailer.
REFERENCES:
patent: 2608418 (1952-08-01), Finlayson et al.
patent: 2779602 (1957-01-01), Kimbro et al.
patent: 2938735 (1960-05-01), Bennett
patent: 3051503 (1962-08-01), Halperin
patent: 4214774 (1980-07-01), Kluge
patent: 5176394 (1993-01-01), Veazey
patent: 5320371 (1994-06-01), Levad
Hurley Kevin
Tyson Karin L.
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