Assignee: Hesston Corporation

Location: Hesston, KS
No. of patents: 137

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Number	Title	Issue Date
4894979	Sickle guard having adjustable knife section hold-down structure The upper and lower finger portions of the sickle guard comprises two separate components which are disconnected at their tips so that the knife sections of the sickle can project forwardly beyond at least one of the fingers during operation and thereby p...	01/23/1990
4850271	Round baler having simulated bale size and shape indicator In a rotary crop baler for producing cylindrical crop bales, a simulated bale size and shape indicator is provided which provides the baler operator with a graphic representation of the size and shape of the bale being formed in the baler. The preferred i...	07/25/1989
4829756	Square baler having plunger cleanout means A reciprocating plunger of a square baler has a series of cleanout probes fixed to an oscillating drive arm which reciprocates the plunger. The probes sweep along a path adjacent portions of a horizontal frame member of the plunger as the plunger moves th...	05/16/1989
4819418	Simplified crop baler An inexpensive square baler is provided with an arcuate baling chamber and a plurality of spaced apart plunger elements shiftable about a kidney-shaped, closed loop path of travel. The baling chamber is partially defined by a horizontal table and a wrappe...	04/11/1989
4815266	Continuous round baler with accumulating trailer The baler has a "vertical" bale starting chamber in which the upwardly moving rear belts and the downwardly moving front belts cooperate to tumble and roll incoming material into a bale. When the bale reaches full size in the expanded chamber, the bale is...	03/28/1989
4813296	Flywheel sickle drive mechanism An eccentric drive mechanism includes two shafts that are coupled to a wheel-like drive member such as a pulley, with one of the shafts being in offset relation to the other shaft and the central axis of the drive member. Each shaft represents inclined, f...	03/21/1989
4746869	Circuit for testing inductive coils An electrical circuit is provided for testing for an open circuit or short circuit in an inductive coil, solenoid, or the like. The preferred circuit includes a computer activated device for selectively imposing a direct current voltage on a coil, a detec...	05/24/1988
4742880	Method and apparatus for determining the weight of bales issuing from a crop baler Bales emanating from the discharge end of a baler are received on an accumulating trailer provided with a weighing scale that, in combination with an electrical system, automatically determines the weight of certain of the successively issuing bales and c...	05/10/1988
4677814	Quick attach apparatus for crop harvest header and the like Quick attachment of crop handling headers to harvesters employs one or more wedge locks, utilizing the mechanical forces thereof to, in turn, tightly and firmly wedge an elongated tongue portion of the header into mating relationship with a header-support...	07/07/1987
4676053	Quick adjust flotation apparatus for a crop harvester In a harvester wherein the frame is raised relative to ground wheels for roading purposes and such elevation of the frame stretches flotation springs to thereby lift the harvesting header off the ground, the amount of flotation force exerted by the spring...	06/30/1987
4663922	Quick attach apparatus for crop harvest header and the like Quick attachment of crop handling headers to harvesters employs one or more wedge locks, utilizing the mechanical forces thereof to, in turn, tightly and firmly wedge an elongated tongue portion of the header into mating relationship with a header-support...	05/12/1987
4637201	Wide-cut windrower-conditioner having uniform crop distribution and conditioning Standing crops severed by sickle mechanism at the leading edge of the machine are swept upwardly and rearwardly along a platform by a rotating reel to a lower, center-gathering auger and an upper, spaced distributing auger that converge the materials cent...	01/20/1987
4637406	Chaff and straw spreading attachment for combines The discharge hood of an agricultural combine has a housing suspended from the bottom thereof in disposition for receiving straw from straw walkers of the combine into a rotary chopper which impacts the straw and propels it rearwardly out through a spread...	01/20/1987
4617786	Forage harvester having supplemental crop disintegrating means A high speed rotor in the chute of a forage harvester is used to crack kernels in chopped forage impelled to the rotor. The rotor itself has four or more rows of elongated, spaced-apart plates provided with blunt cracking edges, and a deflector, disposed ...	10/21/1986
4604858	Plunger cleanout apparatus for underfed crop baler The reciprocating plunger of the baler has needle slots in its crop-engaging face from which accumulating crop materials are ejected during each retraction stroke of the plunger by stationary, horizontally extending probes telestationary, horizontally ext...	08/12/1986
4553380	Adjustable hold down for the sickle of a reciprocating cutter assembly A hold down for retention of reciprocable sickles of cutter assemblies is characterized by its inflexibility and provision of adjustability in relation to the cutter bar such as to preclude undue movement of the sickle sections away from their normal scis...	11/19/1985
4549482	Cylinder mounting apparatus for hydraulic squeeze control in a crop baler The squeeze cylinder is inverted with the cylinder casing attached to a transverse, overhead truss above the bale case and the piston rod projecting downwardly from the casing for attachment to the upper squeeze plate of the apparatus. Oil is supplied to ...	10/29/1985
4524574	Underfed crop baler having single rotary feeder The baler uses a single rotary feeder to take crop materials from the center-gathering augers of the windrow pickup and to sweep such materials upwardly and rearwardly through a loading duct into the baling chamber via an opening in the bottom of the latt...	06/25/1985
4520878	Spring cushion chisel plow shank assembly A spring cushion assembly for a chisel plow shank is provided that eliminates the transmission of force from the shank and assembly spring to the tension rod of the assembly in directions transverse to the axis of the tension rod, thereby prolonging the l...	06/04/1985
4516903	Elevator position-control mechanism for rotatable forage container The forage receiving container box of a crop transporting vehicle is tiltable between a stowed position and a tilted operating position, and includes an unloading elevator spout that is shiftable by a position-control mechanism between stowed and extended...	05/14/1985
4512416	Flat fold implement frame The normally horizontal frame of a wheeled farm implement, such as used for tillage purposes, has a center section at the ends of which are hinged a pair of wing sections that are fully foldable into overlying, substantially parallel relationship to the c...	04/23/1985
4506898	Drift eliminator for series hydraulic lift system on tillage implements and the like The double-acting hydraulic cylinders of the lift system are connected in a master-slave series relationship. When the cylinders have been retracted to a predetermined extent, a control valve between the last slave and a primary selector valve of the syst...	03/26/1985
4503643	Sharpener assembly for the cutting cylinder of a crop harvester The cutter box which houses a cutting cylinder on a harvester has an access opening in its top wall through which an abrasive, full-length sharpening stone may be alternately inserted and removed to engage and sharpen the peripherally located knives of th...	03/12/1985
4500042	Two-way knife adjustment for crop harvester cutting cylinder The knife is normally clamped tightly against a supporting arm by a retaining bolt, but when the bolt is sufficiently loosened, the bolt itself and the knife through which it passes may be forced radially inwardly or outwardly by shifting a transversely r...	02/19/1985
4494904	Self-unloading on-the-go forage hopper The rectangular forage receiving box or hopper of a crop transporting vehicle is stowed in a compacted, generally upright and squared-up position for over-the-road travel, yet may be rotated into a tilted more spacious and functional position for field op...	01/22/1985
4493601	High capacity, self-unloading forage hopper The forage receiving container box of a crop transporting vehicle has a shiftable top that may be closed down to compact the box for over-the-road travel without exceeding applicable roading height and width restrictions and may be projected up when the b...	01/15/1985
4478030	Machine for cutting forage plants The cutting cylinder of a forage harvester is provided with a plurality of fragmenting bars interspersed between the circumferentially spaced apart knives of the cylinder. Each of the fragmenting bars has a generally radially outwardly projecting portion ...	10/23/1984
4444409	Oscillator limit in articulated land vehicle A self-propelled farm implement has independent front and rear, wheel supported frames articulated therebetween for execution of turns by operator steering of the front frame from within a cab that is, in turn, mounted on the front frame. The rear frame c...	04/24/1984
4440075	Round baler having wrapping twine cutter The dispensing end of a round baler's swingable twine dispenser projects outwardly through an aperture in the baler sidewall when the dispenser is in a standby position, and a twine severing blade is mounted to the sidewall proximal to the aperture. The t...	04/03/1984
4429517	Harvesting header with adjustable draper for left, right or center delivery The header has generally transversely disposed, flat, apron-like conveyor mechanism for receiving the stalks of grain or other crop materials severed along the leading edge of the header and for gathering such materials so that they might be discharged in...	02/07/1984
4422373	Throat control apparatus in an open throat, rotary baler The baler has an internal chamber within which crop materials are coiled up into a cylindrical bale by oppositely moving belts which are looped around a pair of spaced apart guide rollers at the bottom of the chamber to define a wide-open, entrance throat...	12/27/1983
4418873	Cutting cylinder having knife position adjustment The cylinder supports a series of knives at its outer periphery which extend generally parallel to the axis of rotation of the cylinder, spanning a plurality of supporting bulkheads that are provided with special mounting assemblies which adjustably attac...	12/06/1983
4409783	Rotary baler with improved roller mounts for endless belt replacement A rotary crop baler belt roller mount is provided which facilitates the changing and installation of endless bale-forming belts. A mount is provided adjacent one end of each transverse belt-supporting roller and includes an annular spacer removably mounte...	10/18/1983
4392339	Crop windrowing machine having double windrow-forming attachment The windrower, which may be of the mower or mower-conditioner type, is provided with a double windrowing attachment at the rear thereof which may be lowered into a double windrowing mode or raised into a non-operative position for single windrowing. Sever...	07/12/1983
4390092	Anti-slip bale thrower The thrower is attached to the discharge end of a baler in position to receive bales successively issuing therefrom. A pair of generally superimposed conveyors of the thrower operate at relatively high speeds compared to the speed at which the bales issue...	06/28/1983
4386661	Rear mounted rotary tiller The low-profile, lightweight tiller of compact, uncluttered design is adapted to be rigidly mounted upon the rear, powered lifting links of a garden tractor so as to be raised and lowered by the latter between transport and ground-working positions. Drivi...	06/07/1983
4386493	Method and apparatus for making large round crop bales The bale-forming machine has rolling mechanism that initially tumbles loose crop material forwardly between the mechanism and the ground as the machine advances along a windrow. Thereafter, the rolling material becomes confined off the ground in an elevat...	06/07/1983
4358241	Bucket assembly for tractors A multi-purpose rear attachment for power lifts and drawbars of tractors has a bucket for handling bulk materials which is self-filling when used as a scoop and the capability of use as a scraper, a spreader and a leveler of the materials it transports. L...	11/09/1982
4354429	Bale wrapping apparatus An improved method is provided for wrapping generally cylindrical bales of hay with twine to maintain the structural integrity thereof, in which a unique pattern of twine bindings is utilized to achieve greater strength and reliability. A related form of ...	10/19/1982
4348857	Rotary mower conditioner A pair of generally flat, horizontally disposed mowing rotors at the front of the machine sever the standing crops as the machine is advanced and, by creation of an air stream as well as through a physical throwing force, the rotors propel the severed cro...	09/14/1982

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Assignee: Hesston Corporation