US 7,731,576 B2Granted

Rigid rotor discharge deflector

AssigneeCNH America LLC

InventorsNathan E. Isaac, Jonathan E. Ricketts, Bradley J. Wagner

Life of this patent

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Abstract

A rigid rotor discharge deflector apparatus for a combine has a body member that is attachable to the side wall of a discharge passage at the downstream end of the rotor. The body has a face portion with at least one ridge portion thereon extending generally laterally across at least a portion of the face portion. The body also has an upper body portion above the level of the ridge portion, an upper ramp portion sloped and extending outwardly from the upper body portion to the ridge portion, and a bracing associated with the upper ramp portion maintaining the ridge portion essentially fixed relative to the side wall. The body member may also include a lower body portion below the level of the ridge portion, and the upper and lower body portions may both be attachable to the side wall.

Claims11

Dependent claims

A rigid rotor discharge deflector for a combine having a generally longitudinally disposed rotor feeding crop residue into a discharge passage above a chopper apparatus, the discharge passage having spaced side walls, comprising

a body mounted to the side wall of the discharge passage on the downswept side of the rotor, and, when so mounted, having a face with upper and lower edges, the face extending from generally adjacent to the downstream end of the rotor rearwardly towards the rear of the combine,
said face of said body including at least one ridge portion extending across at least a portion of said face, an upper portion having the upper edge, wherein the upper portion is above said ridge portion, and an upper ramp portion sloped and extending from said upper portion of said body to said ridge portion in a fixed and inflexible manner,
said body including a bracing associated with said upper ramp portion and said ridge portion maintaining said ridge portion essentially fixed and inflexible relative to the side wall and maintaining said upper ramp portion essentially fixed in position relative to the side wall and preventing flexure thereof under normal forward operating conditions of the rotor, wherein said bracing includes a lower portion having the lower edge, wherein the lower portion is below said ridge portion and a lower ramp portion sloped and extending from said ridge portion towards said lower portion of said body in a fixed and inflexible manner, wherein said ridge portion includes a lip at the juncture between said upper ramp portion and said lower ramp portion having opposed ends, the ends of said lip being at different fixed distances from the sidewall, wherein said lip end closer to the side wall is considered to be the lower end, said lip end farther from the side wall is considered to be the higher end, and said lip slopes outwardly generally uniformly from said lower to said higher end, wherein the lower end of the lip disposed adjacent the upper edge and the higher end of the in disposed adjacent the lower edge so that the ridge portion extends at an angle, with respect to the upper and lower edges, across at least a portion of said face,
whereby at least a portion of the crop residue being discharged from the rotor into the discharge passage will impact said upper ramp portion without effecting flexure thereof and will be deflected and redirected thereby to be more uniformly laterally introduced into the chopper apparatus.

1 more element

a material plate having upper and lower edges and being bent laterally back on itself at a mid-height location to form a primary bend and to define upper and lower side portions above and below said primary bend, wherein said primary bend extends at an angle across a portion of the plate with respect to the upper and lower edges,
said upper side portion being counterbent at a position between said primary bend and said upper edge to form an upper bend and to define a upper flange portion along said upper edge,
said lower side portion being counterbent at a position between said primary bend and said lower edge to form a lower bend and to define a lower flange portion along said lower edge,
said primary, upper, and lower bends being so related to one another to position said upper and lower flange portions to be in essentially the same plane and to define a ridge portion along said primary bend, wherein the ridge portion has one end adjacent the upper edge of the plate and another end adjacent the lower edge of the plate, an upper ramp portion above said primary bend, and a lower ramp portion below said primary bend,
said upper and lower flange portions being securably attached to one of said side walls,
said upper ramp portion being braced by said lower ramp portion and the attachment of said upper and lower flange portions to said one of said side walls to maintain said ridge portion essentially fixed and inflexible relative to said one of said walls and said upper ramp portion at an essentially fixed and inflexible position relative to said one of said side walls and to prevent flexure thereof under normal forward operating conditions of the rotor.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 12/384,383Filed 3 Apr 2009 · division
Priority: 25 May 2006
Published: US 2009/0197656 A16 Aug 2009
Granted: 8 Jun 2010
Term ends: Not estimatedThe source records don’t support an estimate.

Classification2 codes

A01F 7/067
With axles in line with the feeding direction ; Axial threshing machines: with material-flow influencing means
A01F
Processing of harvested produce

Family

Application60/808,370Us provisional application · filed 25 May 2006
Application11/804,118Parent of this division · filed 17 May 2007
US 2009/0197656 A1Pre-grant publication · published 6 Aug 2009
US 2008/0058042 A1Published application
US 7,731,576 B2This patent

From the US filing history. Foreign family members aren’t listed.