Spreader for spreading granular material and method of spreading granular material
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United States of America Patent
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Aug 18, 2020
Grant Date -
Apr 20, 2017
app pub date -
Oct 15, 2015
filing date -
Oct 15, 2015
priority date (Note) -
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Abstract
In one embodiment, a hopper spreader apparatus for spreading granular material is provided. The hopper spreader apparatus includes a hopper, a spreading unit, and a dispensing unit. The hopper has a storage cavity for storing the granular material to be spread. The spreading unit spreads the granular material. The dispensing system transports the granular material from the hopper to the spreading unit. The dispensing system includes a conveying unit and a rotating first roll. The conveying unit conveys the granular material toward the spreading unit. The rotating first roll controls a flow of granular material from the hopper to the conveying unit. The use of the rotating roll allows for control of high flow material (such as for example dry salt) while allowing for improved collapse and break-up of low flow material (such as for example wetted sand).
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