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US 9,033,270 B2Granted
Apparatus for circulating comminuted materials
AssigneeIrwin Research and Development, Inc.
InventorDale L. Vantrease
Life of this patent
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Abstract
An improved scraper plate assembly is provided on a comminuting device having compliant rounded edges, sloped walls, and reduced height for placement along recycle flow paths within a comminuting apparatus when circulating subdivided waste material from between a pair of scissor rolls for further delivery to a scissor roll for further movement and subdividing of the subdivided waste material. A comminuting apparatus is also provided.
Claims20
An apparatus for circulating comminuted materials, comprising:
- a frame;
- a pair of scissor rolls carried for counter-rotation by the frame defining an exit manifold therebetween;
- a scraper plate inter-nested with one of the scissor rolls and having a rounded outermost end provided elevationally above the pair of scissor rolls, a pair of opposed side walls extending in converging relation to the rounded outermost end, an inner one of the side walls provided proximate the exit manifold extending upwardly and outwardly from the exit manifold sloped relative to a vertical direction, and a profile height extending beyond an outer surface of the scissor roll a distance less than a diameter of the scissor roll.
A comminuting apparatus, comprising:
- a frame having an enclosure with an entrance for receiving solid waste material, an entrance manifold, and a recycle manifold;
- a pair of overlapping scissor rolls carried for counter-rotation by the frame defining an exit manifold therebetween;
- and
- a scraper plate carried by the frame and inter-nested with one of the scissor rolls and having a rounded outermost end provided elevationally above at least one of the pair of scissor rolls, a pair of opposed side walls extending in converging relation to the rounded outermost end, an inner one of the side walls provided proximate the exit manifold extending upwardly and outwardly from the exit manifold sloped relative to a vertical direction, and a profile outermost dimension extending in a radially outward direction from an outermost surface of the one scissor roll through a center axis of the one scissor roll less than a diameter of the scissor roll, the scraper plate communicating with at least one of the recirculation manifold and the recycle manifold to enable subdivided scrap material to cascade over the outermost end and into one of the recirculation manifold and the recycle manifold.
1 more element
Dependencies are inferred from the claim text.