Material or article handling – Self-loading or unloading vehicles – With load-receiving portion – or significant section thereof,...
Patent
1985-06-10
1987-06-16
Werner, Frank E.
Material or article handling
Self-loading or unloading vehicles
With load-receiving portion, or significant section thereof,...
254 2R, 254 3R, 254 9R, 254 10R, 298 14, 298 175, 187 9R, 414917, 414549, 414460, 414477, 414482, 414495, 414498, 414728, 414559, B60P 102
Patent
active
046733280
ABSTRACT:
A lift/tilt-bed trailer. Apparatus is described for either raising from or lowering to the ground a trailer bed in a single step while maintaining a substantially horizontal attitude relative thereto, or for tilting the trailer bed which is normally positioned parallel to the ground when the trailer is in its traveling mode for the purpose of loading or unloading the bed without substantial change in the orientation of the trailer "U"-frame in which the bed is located. Four pivotable tracks attached to the frame and corresponding roller wheels attached to the bed cooperate to achieve the desired motion. Since the trailer need not be detached from whatever device is used to move it about when it is to be loaded or unloaded, increased stability results with consequent reduction in risk to the operator.
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"Welker Trailer", in Road Rider, p. 23, Sep. 1984.
Freund Samuel M.
Werner Frank E.
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