Material or article handling – Self-loading or unloading vehicles – With load-receiving portion – or significant section thereof,...
Patent
1979-08-27
1981-09-01
Schacher, Richard A.
Material or article handling
Self-loading or unloading vehicles
With load-receiving portion, or significant section thereof,...
414484, B60P 310
Patent
active
042869064
ABSTRACT:
A boat trailer in which a boat is supported on a carriage, which in turn is roller supported on a wheeled chassis and is extended from the chassis to launch or recover the boat without the trailer wheels entering the water. The trailer wheels are mounted at a fixed position on the chassis and the primary carriage supporting rollers are directly over the trailer wheels, so that the load is concentrated at the trailer wheels during loading and unloading and tipping loads on the trailer and towing vehicle are minimized. A ground engaging roller supports the rear end of the carriage when extended, the forward end of the carriage having a ramp which allows the carriage to be lowered close to and parallel to the ground when fully extended. Adjustment is provided for the bow snubbing post and for the loaded position of the carriage, which allows the trailer to accommodate boats in a wide range of sizes with the load substantially balanced over the trailer wheels.
REFERENCES:
patent: 2825522 (1958-03-01), Bolmes
patent: 3097755 (1963-07-01), Fulcher
patent: 3127041 (1964-03-01), Flynn
patent: 3812988 (1974-05-01), Pyle
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