Apparatus and method for monitoring and controlling the volumetric loading of a truck body
First Claim
1. A method of preventing the overloading of the weight capacity of an opaque truck body when said truck body is used for hauling several different materials of different density, wherein loading material of a first density to the full volume capacity of an initially empty truck body does not exceed the weight capacity of said truck body;
- said method comprising the steps of;
a. loading material of a second greater density into an initially empty truck body;
b. sensing the horizontal distribution of the material of a second density at discrete locations along a predetermined level on said truck body side wall which corresponds to less than the full volume capacity of said truck body and which defines a maximum loading level for said material of a second density beyond which level the weight capacity of the truck body would be exceeded; and
c. stopping the loading of the material of a second density into said truck body in response to the sensing of an even horizontal distribution of the material at the predetermined level.
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Abstract
The invention provides an apparatus and method for monitoring the volume of material loaded into a truck body. Apparatus is provided for sensing the volume of material held in the truck body and indicating, visually or audibly, when a predetermined volumetric loading has been accomplished. Such an indication informs the appropriate personnel that, if the material being loaded is of high density, loading should be stopped. Several different embodiments for the sensing apparatus are disclosed, one of which is a plurality of horizontal holes in the side of the truck body located at a level corresponding to the maximum loading level for a high density material. A cover plate is provided for covering these holes when not being used as a horizontal sight gauge for monitoring the volume level of the material being loaded. Each of the plurality of holes includes a mechanism for preventing material flow through the holes when the cover plate is lowered to expose them to view for use as a horizontal sight gauge.
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Citations
7 Claims
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1. A method of preventing the overloading of the weight capacity of an opaque truck body when said truck body is used for hauling several different materials of different density, wherein loading material of a first density to the full volume capacity of an initially empty truck body does not exceed the weight capacity of said truck body;
- said method comprising the steps of;
a. loading material of a second greater density into an initially empty truck body; b. sensing the horizontal distribution of the material of a second density at discrete locations along a predetermined level on said truck body side wall which corresponds to less than the full volume capacity of said truck body and which defines a maximum loading level for said material of a second density beyond which level the weight capacity of the truck body would be exceeded; and c. stopping the loading of the material of a second density into said truck body in response to the sensing of an even horizontal distribution of the material at the predetermined level. - View Dependent Claims (2, 3)
- said method comprising the steps of;
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4. A method of minitoring the volume of material loaded into an opaque truck body to prevent overloading of the truck body weight capacity, said method comprising the steps of:
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a. loading material of a known density into said truck body; b. sensing along the side wall of said truck body at a plurality of discrete locations the horizontal distribution of the material held in said truck body said discrete locations defining a maximum loading level for said material beyond which level the weight capacity of the truck body would be exceeded; c. indicating when the material is evenly distributed at said maximum loading level which is less than the full volume capacity of said truck body; and d. stopping the loading of the material into said truck body. - View Dependent Claims (5, 6, 7)
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Specification