Solid material comminution or disintegration – Apparatus – With separation or classification of material
Reexamination Certificate
2011-08-02
2011-08-02
Miller, Bena (Department: 3725)
Solid material comminution or disintegration
Apparatus
With separation or classification of material
C241S242000, C241S294000
Reexamination Certificate
active
07988080
ABSTRACT:
A rotary chopper element for an integral chopper assembly of a combine harvester, which rotary chopper element includes a cylindrical rotary member having a plurality of ring portions axially aligned in an ordered side-by-side arrangement along the longitudinal axis of the rotary member, with each ring portion having disposed annularly therearound a plurality of mounting lugs, each of which mounting lugs is designed to support or to have affixed thereto at least one knife blade. The mounting lugs on each succeeding ring portion are rotated or offset radially from the lugs of the preceding ring by a predefined amount and the knife blades are attached to the mounting lugs to form mounted assemblies that have beveled leading edges that extend substantially continuously from adjacent to the outer surface of the rotary member to the tips of the knife blades. The knife blades of such mounted assemblies define a plurality of spaced helical arrays that extend along and wrap around the rotary member. The rotary chopper element is configured to be mountable generally parallel to the grate portion of a counter knife assembly of the integral chopper assembly to define a material flow path between the grate portion and the rotary member and to be operable to transport crop residue past the integral chopper assembly.
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Benes Jason M.
Flickinger Wayne T.
Lauwers Andrew V.
CNH America LLC
Harms Michael G.
Miller Bena
Sheldrake Patrick M.
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