Material or article handling – Self-loading or unloading vehicles – With load-receiving portion – or significant section thereof,...
Patent
1984-08-03
1986-05-20
Pekar, John A.
Material or article handling
Self-loading or unloading vehicles
With load-receiving portion, or significant section thereof,...
2804141, 410 24, 414494, 414495, B60P 308, B60P 310
Patent
active
045898146
ABSTRACT:
This application covers a trailer which has platforms at two levels, one for a boat and one for an automobile. It includes a frame supported by wheels, a primary loading platform which rests on the main frame and is pivotally attached thereto so that it can be tilted therewith. An upper or secondary load carrying platform is supported above the primary load platform by four stanchion. Means are provided to pull the secondary load platform down to the first load platform and then pivot the two so that a boat can be pulled onto the upper or secondary load platform. Then, the upper load platform is pivoted about the stanchion to an upright position and locked in place. The secondary or primary loading platforms are then pivoted together and the lower platform can then be loaded, for example, by driving a car up on it. When it is loaded, then the fixed primary and secondary loading platforms are rotated about the pivot so that they rest securely on the main frame. Means are provided to secure the platforms to the frame.
REFERENCES:
patent: 3677425 (1972-07-01), Patten
patent: 3870339 (1975-03-01), Goff
patent: 3970203 (1976-07-01), Watson
patent: 4068772 (1978-01-01), Prudhomme
patent: 4188056 (1980-02-01), Watson
patent: 4221420 (1980-09-01), Vencill et al.
patent: 4406477 (1983-09-01), McDonald
patent: 4420165 (1983-12-01), Goodin
patent: 4469346 (1984-09-01), Low
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