Land vehicles: dumping – Hopper type – Bottom opening
Patent
1978-11-29
1981-03-31
Kunin, Stephen G.
Land vehicles: dumping
Hopper type
Bottom opening
105248, 280 5E, 296 15, B60P 156
Patent
active
042589533
ABSTRACT:
The hopper body is elongated and is provided with a normally lowermost discharge outlet lying along the longitudinal axis of the body as viewed from the top thereof. The interior of the body forms a slide surface for the dry bulk products contained therein, and such surface is outwardly arcuate throughout substantially the total expanse thereof for structural rigidity and unobstructed longitudinal flow. Along the center line or longitudinal axis of the body, the surface presents a pair of opposite end strips converging downwardly toward said outlet and parallel to such axis as viewed from the top thereof. Such strips are so disposed with respect to a horizontal plane that the resultant product fall line of any point within each strip is less than 45.degree. but greater than 25.degree.. While such an angle might be less than the angle of slide of the particular product contained within the body, the remaining portions of the product slide surface on the interior of the body have resultant product fall lines that are equal to or exceed 45.degree. such that the force of product at such other portions of the surface attempting to discharge toward the outlet will tend also to cause discharging forces and movement of the product located along the less steeply angled strips.
REFERENCES:
patent: 1313361 (1919-08-01), White
patent: 1533862 (1925-04-01), Hyle
patent: 2789739 (1957-04-01), Aller
patent: 3139286 (1964-06-01), Johnson
patent: 3187684 (1965-06-01), Ortner
Kunin Stephen G.
Siemens Terrance L.
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