Abstract: A harvesting header includes a header frame, a flexible cutterbar assembly mounted to the header frame, a plurality of laterally spaced apart support arms, and a draper assembly. The support arms are attached to and cooperatively support the cutterbar assembly and are pivotally coupled to the frame for swinging movement about a laterally extending axis. The draper assembly includes a side draper carried on multiple ones of the support arms so as to flex with the cutterbar assembly. The draper assembly includes rollers and a roller frame that operably interconnects the interior support arm and a respective one of the rollers.

Abstract: A harvesting machine includes a harvesting header with a header frame, a flexible cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a conveyor assembly positioned behind the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The conveyor assembly includes a fore-and-aft draper with a draper frame swingably supported on the header frame at a pivot where the draper frame projects forwardly from the pivot, such that the draper frame is operable to swing relative to the header frame. The fore-and-aft draper includes a draper belt supported on the draper frame to present a rearwardly moving run for conveying the crop rearwardly.

Abstract: An agricultural harvesting machine including a flexible cutterbar and associated draper belts for carrying cut agricultural material to a center location. The belts are guided by a drive rollers and idler rollers. The idler roller for each belt is pivotable about an axis generally at 90 degrees to the axis of the belt and the drive roller for each belt is translatable axially to minimize diagonal stresses caused by flexing of the elongated endless belt.

Abstract: A harvesting machine includes a harvesting header with a header frame, a flexible cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a conveyor assembly positioned behind the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The conveyor assembly includes a fore-and-aft draper with a draper frame swingably supported on the header frame at a pivot where the draper frame projects forwardly from the pivot, such that the draper frame is operable to swing relative to the header frame. The fore-and-aft draper includes a draper belt supported on the draper frame to present a rearwardly moving run for conveying the crop rearwardly.

Abstract: A harvesting machine includes a harvesting header with a header frame, a cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a draper assembly positioned behind the cutterbar assembly. The draper assembly includes a fore-and-aft draper that delivers crop material to a feeder house of the harvesting machine. The fore-and-aft draper includes a draper frame swingably supported on the header frame at a pivot to project forwardly therefrom and a draper belt supported on the draper frame to present a rearwardly moving run for conveying the crop rearwardly. The fore-and-aft draper includes a counterbalance mechanism coupled between the header and draper frames to counteract the weight of the fore-and-aft draper about the pivot.

Abstract: An agricultural harvesting machine including a flexible cutterbar and associated draper belts for carrying cut agricultural material to a center location. The belts are guided by a drive rollers and idler rollers. The idler roller for each belt is pivotable about an axis generally at 90 degrees to the axis of the belt and the drive roller for each belt is translatable axially to minimize diagonal stresses caused by flexing of the elongated endless belt.

Abstract: Belt guards that overlie the interface between a flexible cutterbar assembly and a flexible draper assembly of a harvesting header define an underlying void region that is sealed against the entry of crop residue by an upright dam wall that bears against the underside of the overhanging belt guards forward of the front edge of the upper run of the belt of the draper assembly. The upright dam wall is on the front extremity of flexible support panels that underlie the upper belt run and may be essentially rigid or provided with a resilient trim seal strip.

Abstract: A harvesting machine includes a harvesting header with a header frame, a flexible cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a flexible draper assembly positioned behind the cutterbar assembly to permit the draper assembly to flex with the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The draper assembly includes fore-and-aft extending rollers and an endless flexible belt entrained around the rollers. The draper assembly further includes at least one support panel to support the belt.

Abstract: A harvesting machine includes a harvesting header with a header frame, a flexible cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a flexible draper assembly positioned behind the cutterbar assembly to permit the draper assembly to flex with the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The draper assembly includes fore-and-aft extending rollers and an endless flexible belt entrained around the rollers.

Abstract: A draper platform (100) has a center endless belt conveyor (118) that is supported on and between two adjacent support arms (246A, 246B) that pivot with respect to each other and with respect to the frame (102, 104, 106) of the draper platform (100) to which the two adjacent support arms (246A, 246B) are pivotally connected.

Abstract: A conveyor belt hold down for a draper platform comprises a planar portion having a front edge, a rear edge, a left edge, and a right edge, wherein one of the left and the right edges defines a first slot or groove structure, and the other of the left and the right edges defines a first tongue structure, wherein the first tongue structure is configured to be engaged in a second slot or groove structure of a similar hold down disposed immediately adjacent to the first tongue structure, and wherein the first slot or groove structure is configured to receive a second tongue structure of a similar hold down disposed immediately adjacent to the first slot or groove structure.

Abstract: A draper platform (100) has a center endless belt conveyor (118) that is supported on and between two adjacent support arms (246A, 246B) that pivot with respect to each other and with respect to the frame (102, 104, 106) of the draper platform (100) to which the two adjacent support arms (246A, 246B) are pivotally connected.

Abstract: A harvesting machine includes a harvesting header with a header frame, a cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a draper assembly positioned behind the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The draper assembly includes a center draper that delivers crop material to a feeder house of the harvesting machine and oppositely spaced side drapers that deliver crop material to the center draper. The harvesting header is operable to flex and thereby follow an uneven terrain.

Abstract: A harvesting header includes a header frame, a cutterbar assembly mounted to the header frame, and a conveyor assembly supported behind the cutterbar assembly to receive crop severed by the cutterbar assembly. The conveyor assembly includes a pair of side conveyors and a fore-and-aft draper located between the side conveyors. The header further includes a central crop-conveying member that overhangs the rear margin of the fore-and-aft draper and a floor pan that at least partly defines a transition area. The floor pan presents a forwardmost edge adjacent to and rearward of the rear margin. The forwardmost edge is located above a lower run of the draper to direct severed crop materials from the upper run of the draper and to facilitate crop material flow through the transition area.

Abstract: A crop harvesting header with a cutter bar and a draper assembly has a draper canvas with an edge portion across a front edge to cooperate with a rearwardly projecting element of the cutter bar extending over the upper run of the draper canvas to engage the upper surface of the edge portion to form a seal to inhibit entry of dirt or crop between the cutter bar and the draper canvas. The edge portion of the canvas is thicker and is canted upwardly at an angle of the order of 10 to 20 degrees. There is also provided a bead on the canvas on the surface opposite the strip within the width of the strip. The arrangement can be symmetrical with a strip at each of the front and rear edges spanned by the slats extending between them.

Abstract: An agricultural harvesting machine including a flexible cutterbar and associated draper belts for carrying cut agricultural material to a center location. The belts are guided by a drive rollers and idler rollers. The idler roller for each belt is pivotable about an axis generally at 90 degrees to the axis of the belt and the drive roller for each belt is translatable axially to minimize diagonal stresses caused by flexing of the elongated endless belt.

Abstract: A harvesting machine includes a harvesting header with a flexiable cutterbar assembly and a draper assembly that flexes with the cutterbar assembly. The draper assembly includes a side draper belt configured to receive severed crop materials from the cutterbar assembly. The draper belt includes an internal guide rib. Pivoting structure is positioned within the interior of the draper belt. The pivoting structure presents a groove that receives the guide rib therein.

Abstract: A crop harvesting header with a cutter bar and a draper assembly has a draper canvas driven by a drive roller with a cylindrical roller body having an outer surface surrounding an axis of rotation of the roller for engaging an inner drive surface of a canvas wrapped therearound. The roller has a plurality of ribs arranged on the outer surface of the roller body extending along a part of the body in an axial direction and angularly spaced around the outer surface. The ribs have a height less than 6 mm and a width less than 6 mm arranged such that the ribs do not engage into any recesses in the drive surface of the canvas.

Abstract: A harvesting machine includes a harvesting header with a header frame, a cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a draper assembly positioned behind the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The draper assembly includes a center draper that delivers crop material to a feeder house of the harvesting machine and oppositely spaced side drapers that deliver crop material to the center draper. The harvesting header is operable to flex and thereby follow an uneven terrain.

Abstract: Belt guards that overlie the interface between a flexible cutterbar assembly and a flexible draper assembly of a harvesting header define an underlying void region that is sealed against the entry of crop residue by an upright dam wall that bears against the underside of the overhanging belt guards forward of the front edge of the upper run of the belt of the draper assembly. The upright dam wall is on the front extremity of flexible support panels that underlie the upper belt run and may be essentially rigid or provided with a resilient trim seal strip.

Abstract: A header designed for tall crops includes a sickle knife for cutting at the ground, an auger behind the knife, a conditioning system at a discharge for forming a swath and a reel with pivotal bat fingers controlled by a linkage which co-operates with a cam of the reel. An upper auger extends across the header parallel to the cutter knife above and in advance of the reel with its flight driving the crop inwardly. Vertically standing sickle knifes extend between the ends of the frame and the upper auger and each includes forwardly extending top and bottom dividers. The conditioning system includes two fluted rollers and a third parallel roller located behind the nip between the fluted rollers so as to engage the material as it emerges from the nip to force the material round the upper roller to further bend the crop material.

Abstract: A harvesting machine includes a harvesting header with a header frame, a cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a draper assembly positioned behind the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The draper assembly includes a center draper that delivers crop material to a feeder house of the harvesting machine and oppositely spaced side drapers that deliver crop material to the center draper. The harvesting header is operable to flex and thereby follow an uneven terrain.

Abstract: A harvesting machine includes a harvesting header with a header frame, a cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a draper assembly positioned behind the cutterbar assembly. The draper assembly includes a fore-and-aft draper that delivers crop material to a feeder house of the harvesting machine. The fore-and-aft draper includes a draper frame swingably supported on the header frame at a pivot to project forwardly therefrom and a draper belt supported on the draper frame to present a rearwardly moving run for conveying the crop rearwardly. The fore-and-aft draper includes a counterbalance mechanism coupled between the header and draper frames to counteract the weight of the fore-and-aft draper about the pivot.

Abstract: A harvesting machine includes a harvesting header with a header frame, a flexible cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a conveyor assembly positioned behind the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The conveyor assembly includes a fore-and-aft draper with a draper frame swingably supported on the header frame at a pivot where the draper frame projects forwardly from the pivot, such that the draper frame is operable to swing relative to the header frame. The fore-and-aft draper includes a draper belt supported on the draper frame to present a rearwardly moving run for conveying the crop rearwardly.

Abstract: A harvesting machine includes a harvesting header with a header frame, a flexible cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a flexible draper assembly positioned behind the cutterbar assembly to permit the draper assembly to flex with the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The draper assembly includes fore-and-aft extending rollers and an endless flexible belt entrained around the rollers. The draper assembly further includes at least one support panel to support the belt.

Abstract: Belt guards that overlie the interface between a flexible cutterbar assembly and a flexible draper assembly of a harvesting header define an underlying void region that is sealed against the entry of crop residue by an upright dam wall that bears against the underside of the overhanging belt guards forward of the front edge of the upper run of the belt of the draper assembly. The upright dam wall is on the front extremity of flexible support panels that underlie the upper belt run and may be essentially rigid or provided with a resilient trim seal strip.

Abstract: A harvesting header includes a header frame, a flexible cutterbar assembly attached to the header frame, a draper assembly supported behind the cutterbar assembly for conveying severed crop materials received from the cutterbar assembly, and a plurality of laterally spaced apart support arms attached to and cooperatively supporting the flexible cutterbar assembly, with each support arm being pivotal about a lateral axis. The header further includes stop structure associated with a respective one of the support arms, with the stop structure located forwardly of the lateral axis and defining a limited range of angular support arm movement.

Abstract: A harvesting machine includes a harvesting header with a header frame, a flexible cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a flexible draper assembly positioned behind the cutterbar assembly to permit the draper assembly to flex with the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The draper assembly includes fore-and-aft extending rollers and an endless flexible belt entrained around the rollers. The draper assembly further includes at least one support panel to support the belt.

Abstract: The otherwise open end of the outboardmost belt guard over the interface between the flexible cutterbar assembly and flexible draper assembly of a harvesting header is closed by a deflector to prevent the ingress of crop residue into the void region defined beneath the overhanging belt guards. In this manner residue is prevented from migrating into the interior of the draper belt of the draper assembly.

Abstract: A harvesting machine includes a harvesting header with a header frame, a cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a draper assembly positioned behind the cutterbar assembly. The draper assembly includes a center draper that delivers crop material to a feeder house of the harvesting machine. The center draper includes a draper frame swingably supported on the header frame at a pivot to project forwardly therefrom and a draper belt supported on the draper frame to present a rearwardly moving run for conveying the crop rearwardly. The center draper includes a counterbalance mechanism coupled between the header and draper frames to counteract the weight of the center draper about the pivot.

Abstract: An agricultural harvester includes a draper cutting platform, and a traction unit carrying the draper cutting platform. The traction unit includes an operator station and a hydro handle within the operator station. The hydro handle includes a reverse shuttle switch which is manually actuatable by an operator to selectively reverse a travel direction of at least one movable component on the cutting platform.

Abstract: A header (20) for an agricultural combine (10) comprises a laterally extending frame (28) supporting a laterally extending cutter bar (54) and left and right lateral belt conveyors (32, 34) supported on the frame (28). Each of the belt conveyors (32, 34) has a feeding direction from an outer side end towards a center of the header (20). Rotationally drivable left and right crop compression rollers (74) are supported on the frame (28) above the left and right lateral belt conveyors (32, 34). The crop compression rollers (74) extend substantially over the length of the left and right lateral belt conveyors (32, 34) and have a smooth cylindrical surface.

Abstract: A harvesting machine includes a harvesting header with a header frame, a flexible cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a flexible draper assembly positioned behind the cutterbar assembly to permit the draper assembly to flex with the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The draper assembly includes fore-and-aft extending rollers and an endless flexible belt entrained around the rollers. The draper assembly further includes at least one support panel to support the belt.

Abstract: A harvesting machine includes a harvesting header with a header frame, a cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a draper assembly positioned behind the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The draper assembly includes a center draper that delivers crop material to a feeder house of the harvesting machine and oppositely spaced side drapers that deliver crop material to the center draper. The harvesting header is operable to flex and thereby follow an uneven terrain.

Abstract: An agricultural harvesting machine including a flexible cutterbar and associated draper belts for carrying cut agricultural material to a center location. The belts are guided by a drive rollers and idler rollers. The idler roller for each belt is pivotable about an axis generally at 90 degrees to the axis of the belt and the drive roller for each belt is translatable axially to minimize diagonal stresses caused by flexing of the elongated endless belt.

Abstract: A harvesting header having a flexible cutterbar assembly utilizes draper belts behind the cutterbar assembly to gently consolidate the severed crop materials and deliver them to a point of discharge and delivery, such as to the feederhouse of a combine harvester. One embodiment has draper assemblies and a central conveyor fixed relative to the flexible cutterbar assembly, while another has the draper assemblies and central conveyer flexible with the cutterbar assembly.

Abstract: An agricultural harvester includes a base unit and a header coupled with the base unit. The header includes a frame; at least one draper belt; a header lift detector providing an output signal indicating a lift state of the header; and a draper belt accelerator receiving the output signal from the header lift detector and accelerating each of the draper belts upon receipt of the output signal.

Abstract: A harvesting machine includes a harvesting header with a header frame, a cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a draper assembly positioned behind the cutterbar assembly. The draper assembly includes a center draper that delivers crop material to a feeder house of the harvesting machine. The center draper includes a draper frame swingably supported on the header frame at a pivot to project forwardly therefrom and a draper belt supported on the draper frame to present a rearwardly moving run for conveying the crop rearwardly. The center draper includes a counterbalance mechanism coupled between the header and draper frames to counteract the weight of the center draper about the pivot.

Abstract: A harvesting header having a flexible cutterbar assembly utilizes draper belts behind the cutterbar assembly to gently consolidate the severed crop materials and deliver them to a point of discharge and delivery, such as to the feederhouse of a combine harvester. The cutterbar assembly is supported by pivotable support arms such that it is operable to flex along the length thereof in response to changes in terrain as the header is advanced. One embodiment has draper assemblies and a central conveyor fixed relative to the flexible cutterbar assembly, while another has the draper assemblies and central conveyer flexible with the cutterbar assembly.

Abstract: A harvesting machine includes a draper header with a header frame, a crop-cutting assembly attached to the header frame along the length thereof and configured to cut a crop, and a draper assembly positioned behind the crop-cutter assembly and operable to receive severed crop material from the crop-cutter assembly and convey the material laterally. The draper assembly includes a draper belt with a crop-retaining rib to retain severed crop material on the draper belt and to restrict movement of the crop material back to the crop-cutting assembly. At least one belt guard is attached to and disposed along the crop-cutting assembly.

Abstract: A draper platform (100) for an agricultural combine that has a first frame section (104) with a first endless conveyor belt (132, 126) wrapped around a first inner roller (254, 258) and a first outer roller (251), the first outer roller (251) having a first axis of rotation; a second frame section (102, 106) supported on the first frame section (104) having a second endless conveyor belt (124, 130) wrapped around a second inner roller (249) and a second outer roller (251), the second inner roller (249) having a second axis of rotation; a first pivot joint (110, 114) coupling the first frame section (104) to the second frame section (102, 106), such that the second frame section (102, 106) pivots with respect to the first frame section (104) about an axis (108, 112) that extends generally parallel to the first outer roller (251) and the second inner roller (249), and in which the first pivot joint (110, 114) maintains a constant distance between the first outer roller (251), and the second inner roller (249) w

Abstract: Belt guards that overlie the interface between a flexible cutterbar assembly and a flexible draper assembly of a harvesting header define an underlying void region that is sealed against the entry of crop residue by an upright dam wall that bears against the underside of the overhanging belt guards forward of the front edge of the upper run of the belt of the draper assembly. The upright dam wall is on the front extremity of flexible support panels that underlie the upper belt run and may be essentially rigid or provided with a resilient trim seal strip.

Abstract: A harvesting machine includes a harvesting header with a header frame, a flexible cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, a plurality of laterally spaced apart support arms, and a conveyor assembly positioned behind the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The support arms are pivotally coupled to the frame for swinging movement about a laterally extending axis so that the flexible cutterbar assembly is operable to flex along the length thereof in response to changes in terrain as the header is advanced. The cutterbar drive includes a forward gearbox drivingly connected to the cutterbar assembly and supported on an outer support arm.

Abstract: An agricultural harvesting machine including a flexible cutterbar and associated draper belts for carrying cut agricultural material to a center location. The belts are guided by a drive rollers and idler rollers. The idler roller for each belt is pivotable about an axis generally at 90 degrees to the axis of the belt and the drive roller for each belt is translatable axially to minimize diagonal stresses caused by flexing of the elongated endless belt. A spring assembly is positioned on a frame for the machine and acts to yieldably urge the drive rollers in an aft condition to alleviate stresses for an extended period of operation.

Abstract: A harvesting machine includes a harvesting header with a header frame, a cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a draper assembly positioned behind the cutterbar assembly. The draper assembly includes a center draper that delivers crop material to a feeder house of the harvesting machine and oppositely spaced side drapers that deliver crop material to the center draper. The center draper includes a draper frame swingably supported on the header frame at a pivot to project forwardly therefrom and a draper belt supported on the draper frame to present a rearwardly moving run for conveying the crop rearwardly. The center draper includes a counterbalance mechanism coupled between the header and draper frames to counteract the weight of the center draper about the pivot.

Abstract: A system for supporting a cutterbar of a crop harvesting header includes an adjustment assembly including a first arm pivotably secured to the header. The first arm includes a first portion configured to support the cutterbar, and a second portion including a torsion device having a mass of elastic material connected to the adjustment assembly. The second portion is configured to be pivotably rotatable about a first axis by the adjustment assembly to selectably increase or decrease a force appliable to the first portion in order to raise or lower the first portion with respect to the header. The system further includes a connecting lever having one end pivotally connected to an interconnecting member and another end coupled to the second arm, wherein the connecting lever has a pivot portion for rotation about a second axis, the second axis is perpendicular to the first axis.

Abstract: A harvesting machine includes a harvesting header with a header frame, a flexible cutterbar assembly attached to the header frame along the length thereof and configured to cut a crop, and a flexible draper assembly positioned behind the cutterbar assembly to permit the draper assembly to flex with the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The draper assembly includes fore-and-aft extending rollers and an endless flexible belt entrained around the rollers. The draper assembly further includes at least one support panel to support the belt.

Abstract: A harvesting header having a flexible cutterbar assembly utilizes draper belts behind the cutterbar assembly to gently consolidate the severed crop materials and deliver them to a point of discharge and delivery, such as to the feederhouse of a combine harvester. One embodiment has draper assemblies and a central conveyor fixed relative to the flexible cutterbar assembly, while another has the draper assemblies and central conveyer flexible with the cutterbar assembly.

Abstract: An exemplary floor module suitable for inclusion in the modular floor assembly comprises a support and an overlaying floor sheet. The support includes a support leading edge portion, a support trailing edge portion, and a floor support portion disposed therebetween. The support leading edge portion attaches to the cutter bar of a header. The support trailing edge portion includes a first resilient projection, and the floor support portion includes a second resilient projection. The floor sheet includes a floor sheet leading edge portion, a floor sheet trailing edge portion, and a substantially planar floor portion disposed therebetween. The first resilient projection and the floor sheet trailing edge portion define a trailing slot configured to receive a header frame projection. The second resilient projection and the substantially planar floor portion define a side slot configured to receive a side edge portion of an adjacent floor module.

Abstract: A header for an agricultural harvester has left side and right side endless belt conveyors and a central conveyor for carrying crop to a central aperture in the header and an extendible and retractable cutter bar assembly disposed immediately in front of the leading edges of the conveyors that can be extended and retracted in the direction of travel through an agricultural field.