Abstract: A counter knife bank or knife rank for use with a stationary knife assembly, such as by attachment to a knife mounting assembly of the stationary knife assembly, of a chopper assembly of an agricultural combine, including a plurality of individual double-sided knife blades or elements joined together, such as by a spline connector that extends through aligned openings in the base body portions of the knife blades or elements, in an aligned columnar arrangement to form a knife formation that is connected to a support member, such as to an underlying member having an inverted U-shape, that is removably connectable to a depending side wall of the knife mounting assembly to permit initial use of the first cutting edges of the knife blades or elements, easy reversal of the counter knife bank or rank at a later time, and subsequent use of the second cutting edges of the knife blades or elements.

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.

Abstract: A concave pan portion of an integral chopper assembly that includes a concave pan shell portion with a separate grate portion that may be easily installed into and removed from an intermediate opening in such concave pan portion for replacement in the event of undesirable wear thereto, and a separate interruption plate installable downstream from the slots in the grate portion for the purpose of effecting a lower mean length of chop (LOC) as the integral chopper assembly operates. The separate grate portion is configured to be installable to fill the intermediate opening in the concave pan shell portion, with a plurality of slots therethrough positioned side-by-side in the crossways direction to accommodate knife elements that are part of the counter knife assembly. Preferably, such separate grate portion may be crossways adjustable to some degree within the intermediate opening.

Abstract: An insertion tool for installing rotary chopper elements in integral chopper assemblies in combine harvesters, which insertion tool includes an elongated open-ended trough-like bed portion of a length, breadth, and depth to sufficiently accommodate the rotary chopper element therewithin, with lift brackets along the sides thereof configured to accommodate the prongs of lifting forks of a forklift. The rotary chopper element may be positioned to rest within the bed portion of the insertion tool for transport to adjacent to the access and installation window of a harvester and for slidable insertion by the insertion tool through such window for installation within the harvester.

Abstract: A material chopper for chopping a material is provided. The double shear chopper may include a counter shear bar, a plurality of stationary knives associated with the counter shear bar, a shaft, at least one rotor section operatively connected to the shaft, each of the at least one rotor section configured to rotate with the shaft, at least one knife holder in each of the at least one rotor section, at least one knife operatively connected to each of the at least one knife holder, and slots in each of the at least one knife holder, wherein edges of the slot provide counter shear surfaces for the plurality of stationary knives. The material chopper may be added to or incorporated into a harvesting machine such as a combine.

Abstract: A crop residue harvesting system for a harvesting machine is provided. The crop residue harvesting system includes a blower and a transition member having a first position and a second position. In a first position the transition member directs at least a portion of the crop residue to the blower for harvesting of the crop residue. In a second position the transition member allows for spreading at least a portion of the crop residue. A lever or actuator may be operatively connected to the transition member for selecting between the first position and the second position or selecting an intermediate position to control the proportions of the crop residue harvested and the crop residue spread.

Abstract: An agricultural harvesting machine, in particular a forage harvester, has a frame, with a drive unit, an intake conveyor mechanism that directs the crop material to a downstream chopper drum, and a post-fragmentation device located downstream of the chopper drum. A bottom plate that encloses a portion of the chopper drum and is located adjacent to the guide plate in the crop material conveying chute is assigned to the chopper drum. The guide plate, which is located on the bottom of the crop material conveying chute in the region between the chopper drum and the downstream post-fragmentation device is capable of being swiveled vertically around a horizontal pivot axis from a closed position into an open position, and vice versa.

Abstract: A method and system for controlling distribution of crop material to a cleaning sieve of an agricultural combine, for reducing grain loss, including while the combine is tilted sidewardly relative to horizontal, involving controlling the angular orientation of a distributor disposed between a threshing system of the combine and the sieve, for distributing a mat of the crop material onto the sieve evenly across an extent thereof. The angular orientation of the distributor can be set in advance of tilting of the combine, to adjust for a variety of conditions, including uneven outputting of the crop material from the threshing system, and the set orientation can be automatically maintained or actively adjusted to control a desired operating parameter such as grain loss, even as the combine is variously tilted and the angular orientation of the sieve relative to the combine is independently adjusted to maintain the sieve horizontal.

Abstract: A straw chopper for an agricultural harvesting unit includes a housing, and a rotor carried by the housing. The rotor includes a center chopping section and a pair of fans respectively positioned at longitudinally outboard ends of the center chopping section. Each fan includes a hub rotatable in a direction of rotation, and a plurality of fan blades connected with the hub at a plurality of angularly spaced locations about the hub. Each fan blade has a generally U-shaped portion with a rear wall and a pair of side walls extending from the rear wall in the direction of rotation.

Abstract: A straw chopper includes a pair of shafts supported in a chopping chamber for rotation about respective longitudinal axes extending generally in a forward working direction of the chopper. Chopping blades are supported on each shaft, offset in a direction of the longitudinal axes in relation to the chopping blades of the other shaft so that the shafts can be positioned with a sweep area of the blades overlapping one another. The shafts are rotated in a common direction of rotation such that the blades of one of the shafts are displaced in an opposite direction to the blades of the other one of the shafts at the overlap of the sweep areas. Each chopping blade includes an impeller surface sloped forwardly into a direction of rotation so as to generate a rearward thrust of air in the chopping chamber in the longitudinal direction of the axes from the inlet to the outlet of the chamber as the shafts are rotated.

Abstract: A chopper and wide-spread impeller spreader that feeds crop residue from the chopper into the spreader at a specific upward angle to more fully utilize the momentum the crop residue achieves in the chopper. The spreader incorporates air intake holes and air fins above the impellers to keep crop residue moving through the impellers without plugging of discharge material. The chopper propels the residue upwardly into the spreader resulting in a wide-spread broadcast, while preventing crop residue from plugging the spreader.

Abstract: A work vehicle having a fluent material spreader comprising two counter-rotating variable speed impellers adapted to receive and broadcast fluent material. A right-side impeller broadcasts out to a right-side material broadcast width, and left-side impeller broadcasts out to a left-side material broadcast width. Rotational speed of the right-side impeller is commanded to achieve a desired a right-side material broadcast width, and rotational speed of the left-side impeller is commanded to achieve a desired a left-side material broadcast width. Command of the right-side and left-side impellers is achieved either manually by and operator, or automatically by a control system based on sensor input.

Abstract: A crop residue chopper for an agricultural combine, including a housing containing a rotor supporting a plurality of elongate chopper knives for rotation therewith, each of which includes at least one longitudinally extending, integral stiffener extending sidewardly therefrom which, during rotation, can generate an air flow for inducting dust and smaller particles of crop residue into the chopper for discharge from the chopper with the larger elements of the crop residue.

Abstract: A combine harvester has a straw chopper attached to a rear hood behind the rear edge of the sieve assembly with a chaff guide system to bypass the chaff in front of the chopper and a straw guide system to bypass the straw above the chopper and over the tailboard. The chopper has a housing with a feed opening into which straw and/or chaff can be fed depending upon the positions of the chaff guide system and the straw guide system. A chopping assembly mounted in the housing discharges through a discharge opening through onto the tailboard having a plurality of guide fins for spreading. The housing bottom wall has a pivotal adjustment portion to allow chaff entering the feed opening and engaging the chopping assembly to discharge from the housing at a discharge position different from the discharge opening for spreading with supplementary spreading fins.

Abstract: A straw chopper blade comprising a flat blade defining a plane. The blade has a leading edge and a trailing edge. The leading edge is provided with a sharpened cutting edge that extends from the tip of the blade radially inward towards its mounting assembly. The leading edge is also provided with a paddle that extends perpendicular from the blade adjacent to the mounting assembly.

Abstract: A crop discharge device for discharging crop from a harvesting machine, comprising a rotatatable rotor mounted in a housing having a movable a bottom. The bottom can be put into a reciprocating motion in order to convey the crop to be discharged to the crop discharge device. Chaff from a cleaning shoe is directed by an oscillating bottom to the bottom. The discharge device may comprise a straw chopper which discharges chaff and straw from the harvesting machine in the chopping mode.

Abstract: A system and method for positively discharging crop residue from a combine for precisely and consistently delivering crop residue from the threshing and separating area of a combine to the combine's residue handling system or outwardly from the rear of the combine and onto the harvested field below as a windrow. The present invention can include, or operate in cooperation with, a discharge mechanism, such as a conventional discharge beater, which delivers at least some of the crop residue to a conveying mechanism of the system. The system also includes a guide mechanism including a door arrangement configurable in several alternative configurations for receiving and merging and regulating crop residue flow from the discharge mechanism and the conveying mechanism, and directing the merged flow to a desired processing mechanism, such as, but not limited to, a chaff spreader, a straw chopper and/or spreader, etc.

Abstract: A combine comprising an axial separator having an outlet for directing crop material to a rotatively driven discharge beater. The discharge beater is adjacent to the outlet of the axial separator and is aligned to propel crop material discharged from the axial separator into a straw chopper. There is a straw guiding device between the outlet of the discharge beater and the inlet to the straw chopper. The straw guiding device comprises at least one flap, which is supported so that it can pivot at its end facing the discharge beater and which can pivot between a first chopping position, in which it guides the crop material into the straw chopper, and a second position for laying long straw, in which it guides the crop material onto the ground.

Abstract: A combine comprising a separating assembly providing a first crop residue stream, the first crop residue stream is directed to a straw guide element having a chopping mode position for directing the first crop residue stream to a straw chopper for chopping the first crop residue stream and a swath forming mode position for conveying the first crop residue stream around the straw chopper laying the first crop residue stream in a swath. The combine also comprises a cleaning assembly providing a second crop residue stream that engages a conveying assembly which mechanically conveys the second crop residue stream from the cleaning assembly to the straw chopper.

Abstract: A combine harvester with a straw separating system and a sieve assembly below the straw separation system with a rear edge over which the chaff is discharged in the air flow has a housing with a rear hood behind the straw separating system and behind the rear edge of the sieve assembly with a bottom opening in the hood for discharge of the straw and the lighter materials. A straw chopper is mounted at the rear hood for receiving the straw and lighter materials and has a rotor for chopping the straw and for generating a stream of air and chopped straw for spreading the chopped straw.

Abstract: A combine comprises a separating assembly defining a first crop residue stream and a cleaning assembly having a second crop residue stream. The first crop residue stream is directed to a straw chopper in a chopping mode and around the straw chopper in a straw swath disposition mode. The second crop residue stream is directed to the straw chopper in both modes. A conveying device conveys the second crop residue stream to the straw chopper. The conveying device feeds the second crop stream mechanically and separates it in two partial streams which are fed into the straw chopper. The conveying device has a transversely extending rotational axis parallel to the rotational axis of the straw chopper.

Abstract: A crop chopper arrangement generally comprises a discharge apparatus having an inlet adapted to receive chopped crop from a crop chopper for an agricultural machine. The arrangement further includes a row of guide vanes positioned substantially transversely to a longitudinal axis of the agricultural machine and adapted to spread out a flow of the chopped crop from the discharge apparatus in a direction substantially rearwards to a direction of travel of the agricultural machine. One or more of the guide vanes has a shape or configuration that is adapted to impart a predetermined deviation to at least a portion of a flow of chopped crop passing through said discharge apparatus. The shape or configuration of each guide vane is dependent on its transverse position in the row. This arrangement makes it possible to realize an even distribution of the chopped crop over the full width of the harvester header.

Abstract: A chopping blade includes a mounting portion defining a mounting plane, and a working portion connected to the mounting portion. The working portion includes a leading edge, a trailing edge, and a body extending between the leading edge and the trailing edge. The body includes a first surface adjacent the leading edge and at least partially oriented at a first angle relative to the mounting plane, a second surface adjacent the trailing edge and at least partially oriented at a second angle relative to the mounting plane, and an intermediate surface extending between the first and second surfaces. The intermediate surface has a first portion extending from the first surface at an angle relative to the mounting plane that is steeper than the first angle, and a second portion extending from the second surface and joining with the first portion to form a peak.

Abstract: Rotary accelerating apparatus for a vertical crop residue spreader of an agricultural combine capable of receiving, combining and accelerating a relatively high velocity of voluminous flow of relatively heavy, bulky crop residue including straw and the like deflected downwardly from the thresher of the combine, and a weaker, less voluminous flow of chaff and air from the cleaning system of the combine located forwardly of the spreader, by generating a negative pressure or suction condition in the vicinity of the chaff flow for overcoming any undesirable back pressure condition that interferes with induction of the crop residue flow from the cleaning system and which facilitates air flow through the chassis region of the combine to reduce conditions leading to undesirable dust buildup and other problems.

Abstract: A combine harvester has a husk discharge device mounted downstream from a sieving unit, and a blower mounted in a housing having at least one husk discharge opening, and a straw chopping device, which is located downstream from a straw shaking device and the husk discharge device and which has a rotary cutter mounted in a housing to chop the straw, the housing having an inlet for the unchopped straw and an outlet for the chopped straw. A guide means is located upstream of the straw chopping device, the guide means being displaceable between a first position for closing the inlet so as to effect bypassing of the straw chopping device and allowing deposition of the unchopped straw in the form of strings, and a second position in which is exposed the inlet to allow chopping of straw. A spreading device for spreading of the chopped straw received from the straw chopping device is connected to the outlet thereof and is formed with spreader wings.

Abstract: A combine having an axial separator and a discharge beater adjacent the outlet of the axial separator is provided with a pivotable straw guide element. The discharge beater is arranged to feed crop material other than grain into a straw chopper. The straw guide element is arranged between the outlet of the discharge beater and the inlet of the straw chopper. The straw guide element is pivotable between a chopping position in which the crop material other than grain reach the straw chopper and a long straw deposition position in which the crop material other than grain are deposited on the ground and not chopped. The pivot axis of the straw guide element is coaxial with the rotation axis of the discharge beater.

Abstract: A chopper and discharge apparatus includes a stationary housing for attachment to the rear discharge of a combine harvester so that straw is fed from the combine into an inlet of the housing and is discharged from an outlet of the housing. Within the housing is mounted a hub for rotation about the horizontal axis with the hub carrying a plurality of lugs at angularly and axially spaced positions therearound, each lug carrying a pair of pivotal blade members which are rotated with the hub in the form of flails. Each lug is associated with a stationary blade on the inside of the housing so that the pair of blades carried on each lug sweep past the stationary blade each on a respective side of the stationary blade. The blade members include some flat cutting blades in a center section and only fan blades in end fan sections.

Abstract: The invention is directed to a distributing device for a straw chopper arrangement. The chopper arrangement is provided with at least one guide vane for the transversely scattering the chopped straw. The position of the guide vane can be varied by a drive. In order to attain a uniform distribution of the chopped straw on the field the drive continuously moves the guide vane back and forth.

Abstract: A straw chopper blade comprising a flat blade defining a plane. The blade has a leading edge and a trailing edge. The leading edge is provided with a sharpened cutting edge that extends from the tip of the blade radially inward towards its mounting assembly. The leading edge is also provided with a paddle that extends perpendicular from the blade adjacent to the mounting assembly.

Abstract: A grain tank for an agricultural harvester has an extension assembly to enable the volume of the tank to be increased. The extension assembly comprises two pairs of mutually opposed panels that are movable relative to the tank between a lowered position in which they serve as a cover for an opening in the top of the tank and a raised position in which they define the side walls of an extension volume that communicates through the opening with the interior of the tank. In the invention, a blind is secured to the opposed panels of one of the pairs to cover the grain tank when the extension assembly is raised. The blind is automatically deployed from a stowed position to a extended position as the two panels are moved to their raised position.

Abstract: A fastening arrangement for fastening a blade to a rotor of a straw chopper. The fastening arrangement comprising a bolt that is inserted into a blade hole in the blade and into a plate hole in a mounting plate extending from the rotor and into a retaining element that retains the bolt in the holes. The retaining element can be separated from the bolt. The bolt and the retaining element are fixed against rotation by the mounting plate.

Abstract: A combine comprises a separating assembly defining a first crop residue stream and a cleaning assembly having a second crop residue stream. The first crop residue stream is directed to a straw chopper in a chopping mode and around the straw chopper in a straw swath disposition mode. The second crop residue stream is directed to the straw chopper in both modes. A conveying device conveys the second crop residue stream to the straw chopper. The conveying device feeds the second crop stream mechanically and separates it in two partial streams which are fed into the straw chopper. The conveying device has a transversely extending rotational axis parallel to the rotational axis of the straw chopper.

Abstract: A crop discharge device for discharging crop from a harvesting machine, comprising a rotatatable rotor mounted in a housing having a movable a bottom. The bottom can be put into a reciprocating motion in order to convey the crop to be discharged to the crop discharge device. Chaff from a cleaning shoe is directed by an oscillating bottom to the bottom. The discharge device may comprise a straw chopper which discharges chaff and straw from the harvesting machine in the chopping mode.

Abstract: A combine harvester has at its rear end separate chaff and crop residue discharge openings. A chopper is provided for cutting the crop residue into small pieces, and a chaff discharge device serves to disperse the chaff exiting from the chaff discharge opening. The chaff discharge device is movable between a first position, in which chaff can fall to the ground without passing through the chaff discharge device to lie in a string behind the combine harvester, and a second position, in which the chaff passes through the chaff discharge device and is dispersed laterally away from the combine harvester. The chaff discharge device is further movable to a third position in which chaff leaving the chaff discharge device is directed to enter the chopper through an opening that is different from the opening through which the crop residue is admitted into the chopper.

Abstract: A combine harvester has at its rear end a crop residue chopper and a deflector plate for defining the path followed by the crop residue discharged from the rear end of the combine harvester. The deflector plate has a first position to direct the crop residue into the chopper and a second position to direct the crop residue forward of the chopper. In the invention, the deflector plate also has a third position in which the crop residue is directed to flow over the top and to the rear of the chopper.

Abstract: A combine comprising a separator feeds straw to a discharge assembly. An adjustable straw guide is adjusted by a motor that is controlled by a controller. The controller receives signals from a sensor that senses the transverse distribution of the straw. The adjustable straw guide is positioned between the separator and the discharge assembly. The sensor is arranged to detect the straw upstream of the outlet of the discharge assembly.

Abstract: A mounting assembly for fastening blades to a straw chopper rotor. The rotor is provided with a plurality of mounts each mount having a rotor mounting hole. The blades are secured to the mounts. Each blade is provide with a blade mounting hole. A pin is inserted into the rotor mounting hole and the blade mounting hole. The pin is provided with a locking element for holding the pin in place. The locking element having a trapping position where it is locked in place and a loosening position wherein the pin can be removed. The locking element is held in its trapping position by a spring. The locking element engaging a recess having an edge for holding the locking element in the trapping position.

Abstract: A multiple finger flow guide for a crop residue spreader including an element disposed in a housing and rotatable in a predetermined direction about an axis for driving a flow of crop residue through a discharge opening or outlet of the housing located at a predetermined angular position around the axis.

Abstract: A combine comprising a separating assembly providing a first crop residue stream, the first crop residue stream is directed to a straw guide element having a chopping mode position for directing the first crop residue stream to a straw chopper for chopping the first crop residue stream and a swath forming mode position for conveying the first crop residue stream around the straw chopper laying the first crop residue stream in a swath. The combine also comprises a cleaning assembly providing a second crop residue stream that engages a conveying assembly which mechanically conveys the second crop residue stream from the cleaning assembly to the straw chopper.

Abstract: A combine having an axial separator and a discharge beater adjacent the outlet of the axial separator is provided with a pivotable straw guide element. The discharge beater is arranged to feed crop material other than grain into a straw chopper. The straw guide element is arranged between the outlet of the discharge beater and the inlet of the straw chopper. The straw guide element is pivotable between a chopping position in which the crop material other than grain reach the straw chopper and a long straw deposition position in which the crop material other than grain are deposited on the ground and not chopped. The pivot axis of the straw guide element is coaxial with the rotation axis of the discharge beater.

Abstract: A multiple finger flow guide for a crop residue spreader including an element disposed in a housing and rotatable in a predetermined direction about an axis for driving a flow of crop residue through a discharge opening or outlet of the housing located at a predetermined angular position around the axis.

Abstract: A stalk and chaff distribution arrangement in an agricultural harvesting machine having a chopping device arranged in a discharge region of the machine includes first and second blowers arranged adjacent to each other in the discharge region and each blower having a rotary shaft, a crop inlet opening, and a crop outlet opening; a crop dividing plate associated with the first and second blowers, the crop dividing plate having an apex and first and second diverging arms, said apex arranged in the direction opposite a crop flow from the chopping device to the blowers; and a first adjustable partial casing moveably associated the first blower and adjoining the first diverging arm, said first adjustable partial casing arranged circumferentially with the first blower; whereby a direction of the crop flow from the crop outlet of the first blower is changed when the first adjustable partial casing is moved.

Abstract: A distribution device for straw chopper comprising a guide arrangement, a motor for the positioning the guide arrangement and a control arrangement for controlling the motor. At least one position input device is coupled to the control arrangement. The control arrangement can be operated selectively in a first operating mode and a second operating mode. The first operating mode is activated by the actuation of the position input device for a time interval less than a predetermined threshold value, and the second operating mode is activated by the actuation of the position input device for a time interval greater than the predetermined threshold value. In the first operating mode the guide arrangement is brought into a predetermined position and in the second operating mode the guide arrangement is moved as long as the position input device is actuated.

Abstract: A crop chopper arrangement for an agricultural machine is disclosed. The crop chopper comprises a discharge apparatus having an inlet adapted to receive chopped crop from a crop chopping means and a row of guide vanes that are positioned substantially transversely to a longitudinal axis of said agricultural machine and that are adapted to spread out a flow of said chopped crop from said discharge apparatus in a direction substantially rearwards to the direction of travel of said agricultural machine. One or more of the guide vanes has a shape or configuration that is adapted to impart in use a predetermined deviation to at least a portion of a flow of chopped crop passing through said discharge apparatus and said shape or configuration of each guide vane is dependent on its transverse position in said row. This arrangement makes it possible to realize an even distribution of the chopped crop over the full width of the harvester header.

Abstract: A chopper and discharge apparatus includes a stationary housing for attachment to the rear discharge of a combine harvester so that straw is fed from the combine into an inlet of the housing and is discharged from an outlet of the housing. Within the housing is mounted a hub for rotation about the horizontal axis with the hub carrying a plurality of lugs at angularly and axially spaced positions therearound, each lug carrying a pair of pivotal blade members which are rotated with the hub in the form of flails. Each lug is associated with a stationary blade on the inside of the housing so that the pair of blades carried on each lug sweep past the stationary blade each on a respective side of the stationary blade. The blade members include some flat cutting blades in a center section and only fan blades in end fan sections.

Abstract: An agricultural harvesting machine has a comminuting device which includes a chopper rotor having a rotor shaft, and a conveying element pivotably connected with the rotor shaft. The conveying element is formed by a first arm and a second arm which are interconnected by a cross web. In one embodiment the cross web has a recess between the first and second arms, and a cutting element is provided which passes either through the recess of the conveying element or outside of the first and second arms of conveying element as the conveying element rotates. In another embodiment the conveying element is provided with both leading and trailing cutting edges arranged in sets. Initially one set of cutting edges is utilized and the conveying element can latter be reversed in position to utilize the other set.

Abstract: A crop residue chopper for an agricultural combine including a spaced array of stationary knives. A rotor of the chopper is rotatable about an axis therethrough and includes mounting elements in axially spaced relation, and a plurality of offset knives, each of the offset knives including a mounting end portion fixedly mountable on one of the mounting elements and a an opposite free end portion disposed so as to extend radially outwardly in axially offset relation to the mounting end portion when mounted on the mounting element.

Abstract: A combine comprising an axial separator having an outlet for directing crop material to a rotatively driven discharge beater. The discharge beater is adjacent to the outlet of the axial separator and is aligned to propel crop material discharged from the axial separator into a straw chopper. There is a straw guiding device between the outlet of the discharge beater and the inlet to the straw chopper. The straw guiding device comprises at least one flap, which is supported so that it can pivot at its end facing the discharge beater and which can pivot between a first chopping position, in which it guides the crop material into the straw chopper, and a second position for laying long straw, in which it guides the crop material onto the ground.

Abstract: A combine having a chopper arrangement for receiving and chopping harvested crop material that has been threshed and separated. The chopper arrangement comprises a web wheel disk having knives entrained thereon that cooperate with a stationary shear bar to chop the harvested crop material that has been threshed and separated.

Abstract: A chopper arrangement for a harvesting machine comprises a body that is rotated in a predominantly vertical axis of rotation. The body is provided with a plurality of radially extending knives that are axially distributed along the body. The knives have radially outer ends that are arranged in a conical shape. In this way the knives at the first end having a smallest radial extension are rotated at a slower circumferential speed than knives having a larger radial extension.