Class 56/16.4C - Having cooperating or mating surface textures

Subclass of Class 56 - Harvesters
No. of patents: 35
Last issue date: 07/17/2012

Number	Title	Issue Date
8220234	Crop harvester having conditioning rolls The conditioning rolls of a crop harvester have intermeshing metal ribs arranged in a herringbone pattern, each rib comprising a pair of end-to-end segments that converge spirally from opposite ends of the roll to a centermost apex. Alternative embodiments provide a...	07/17/2012
8166736	Crop-conditioning apparatus having hydraulic tension mechanism As crop materials are severed from the field, they pass through two successive pairs of counter-rotating conditioning rolls before being returned to the ground. The front rolls are preferably ribbed, metal rolls wherein the ribs of one roll are intermeshed with thos...	05/01/2012
8056311	Tensioning of the top roll of a crop conditioner A crop conditioner includes a frame mounting a bottom fixed roller and a top liftable roller. The top roller is liftable at each end on a pivot member tensioned by a tension link, a tension spring and a bell crank connected between the tension link and the spring. T...	11/15/2011
8056310	Conditioner rolls having tread pattern coordinated with cutterbar crop discharge pattern A conditioner roll tread pattern comprising a plurality of equally circumferentially spaced ribs separated by grooves extending across the axial length of the conditioner roll. The ribs are angled relative to the axial centerline, either with a fixed positive/negati...	11/15/2011
8006470	Crop harvester having metal conditioner rolls with herringbone rib pattern The conditioning rolls of a crop harvester have intermeshing metal ribs arranged in a herringbone pattern, each rib comprising a pair of end-to-end segments that converge spirally from opposite ends of the roll to a centermost apex. Alternative embodiments provide a...	08/30/2011
7958708	Apparatus and method for conditioning crop materials As crop materials are severed from the field, they pass through two successive pairs of counter-rotating conditioning rolls before being returned to the ground. The front rolls are preferably ribbed, metal rolls wherein the ribs of one roll are intermeshed with thos...	06/14/2011
7654067	Mower-conditioner equipped with first and second hollow rollers with reliefs A mower-conditioner conditioning roller comprising a superficial relief over the entirety of its periphery. This roller, of cylindrical overall shape, is hollow and has no cylindrical core and has a wall of reduced thickness directly comprising reliefs. The body of ...	02/02/2010
7188461	Conditioning roller drive A forage conditioner for conditioning cut crop material from a forage harvester includes a fixed bottom fluted roller carried in end housings and a top fluted roller which is pivotally mounted on the housings by a linkage pivotal relative to the housing about an axi...	03/13/2007
7021038	Conditioner rolls A pair of conditioning rolls is disclosed that comprise one steel and one rubber/urethane roll. The steel roll has raised ribs formed thereon or attached thereto in a spiral configuration, while the rubber/urethane roll contains grooves therein that intermesh with t...	04/04/2006
6996961	Method and apparatus for conditioning crop materials As crop materials are severed from the field, they pass through two successive pairs of counter-rotating conditioning rolls before being returned to the ground. The front rolls are preferably ribbed, metal rolls wherein the ribs of one roll are intermeshed with thos...	02/14/2006
6955034	Crop Conditioner frame with interchangeable rollers The apparatus is a crop conditioner frame in which both conditioning rollers and the torsion bar assembly forcing them together are interchangeable with other such parts of different designs. The interchangeability of the rollers is accomplished by simultaneously ch...	10/18/2005
6904741	Groove design for precision rubber/urethane conditioning rolls A conditioner roll design is provided that employs unique spiraled stepped grooves that enhance feeding of the crop mat when the rolls are abutted or at precise gaps. The groove has a leading edge and increased depth that allow expansion of the crop mat into the tra...	06/14/2005
6453654	Apparatus for conditioning crop materials A reimpactor for an agricultural flail-conditioner is described to redirect conditioned crop to the rotating flail-conditioner for additional treatment prior to depositing it on the ground for drying. The reimpactor is constructed partially of a shock-abs...	09/24/2002
6360515	Crop conditioning system A crop conditioning system to reduce the drying time of crops. The invention generally provides a framework, a fixed roller mounted on the framework, a movable roller mounted on one or more bellows which are mounted on the framework and a source of compre...	03/26/2002
6220007	Apparatus for preventing interference of intermeshing lugs on separable rollers Two mower-conditioner lugged rollers provided with a four-gear timing system that allows the rollers to separate while still maintaining the timing....	04/24/2001
6062010	Apparatus for treating plant material Self propelled harvesting apparatus is disclosed for processing plant material. The apparatus comprises a pair of cylindrical crushing rolls for crushing plant material and a rotor with radial fins operably associated with the rolls for impacting the crus...	05/16/2000
6050070	Crop conditioning system A crop conditioning system to reduce the drying time of crops. The invention generally provides a framework, a fixed roller mounted on the framework, a movable roller mounted on one or more bellows which are mounted on the framework and a source of compre...	04/18/2000
5778647	Disc mower conditioner A disc mower conditioner utilizing a modular disc cutterbar to sever standing crop material by impact action supports the cutterbar from the header of the mower conditioner by a pair of transversely spaced support arms mounted by spherical bushings to the...	07/14/1998
5778644	Crop harvesting platform having a reversible drive for the reel, cutterbar center-feed augers and conditioner rolls A self-propelled windrower is provided with a platform including a reel which sweeps crop to be cut over a sickle cutterbar and into the nip of a pair of counter-rotating center-feed augers that, in turn, deliver the crop to the nip of a pair of counter-r...	07/14/1998
5451184	Corn husker rolls with auger relief An apparatus for removing the husks from ears of corn has axially extending rotatable molded rubber rolls. Each roll has a plurality of aligned axially extending flights which protrude from a cylindrical base segment. The flights may extend exclusively ax...	09/19/1995
5142848	Lightweight conditioning roll A conditioning roll for use in an agricultural machine for conditioning crop material includes a hollow inner core and an outer shell bonded to the inner core. The inner core has a plurality of ridges extending generally lengthwise thereof. These ridges f...	09/01/1992
5033257	Conditioner roll tension system A mower conditioner includes a main frame having a header connected thereto by a four bar linkage which permits the header to float over the ground during harvesting operation. The header carries upper and lower conditioner rolls with the opposite ends of...	07/23/1991
4922692	Method of conditioning forage crops A method of conditioning forage crops utilizing a pair of counterrotating conditioning rolls mounted in a hay harvesting machine is disclosed wherein at least one of the conditioning rolls is transversely reciprocated relative to the other conditioning ro...	05/08/1990
4914909	Lobed ring conditioning roll A conditioning roll for use in a conditioning mechanism on a hay harvesting machine is disclosed wherein the conditioning roll is formed by a plurality of axially stacked lobed rings movably mounted on a core member rotatably supported by the hay harvesti...	04/10/1990
4905459	Conditioning roll structure A conditioning roll is disclosed wherein the roll has a hollow core of a predetermined length with a plurality of axially aligned, outwardly projecting guide rails detachably connected thereto around the outer circumference of the core. Each guide rail is...	03/06/1990
4903463	Reciprocating lobed conditioning rolls A conditioning roll for use in a conditioning mechanism on a hay harvesting machine is disclosed wherein the conditioning roll is formed by a plurality of individual lobes slidably mounted on transverse guide members detachably affixed to a core member. E...	02/27/1990
4862681	Counterweight for reciprocating conditioning roll A counterweight mechanism for use in conjunction with a conditioning apparatus having a reciprocating conditioning roll is disclosed wherein the counterweight is mounted within the hollow core of the reciprocating conditioning roll and connected to an oci...	09/05/1989
4860528	Reciprocating conditioning rolls A conditioning mechanism utilizing a pair of counterrotating conditioning rolls for use in a hay harvesting machine is disclosed wherein at least one of the conditioning rolls is mounted for transverse reciprocating movement relative to the other conditio...	08/29/1989
4843804	Arrangement using mower-conditioner header float springs to bias conditioner roll A pull-type mower-conditioner has a main frame including a pair of laterally spaced, downwardly projecting legs. A lower conditioner roll has opposite ends rotatably mounted to the main frame while an upper conditioner roll is mounted for arcuate movement...	07/04/1989
4821494	Crop harvester having conditioning zone provided with enlarged end regions A crop conditioning unit in a crop harvesting machine, such as a mower conditioner, has conditioning rolls configured to define a non-uniform crop conditioning zone which tapers or flares outwardly at opposite end regions thereof to a cross-sectional size...	04/18/1989
4445313	Hay cutting machines An improvement in mower-conditioners for forage crops such as hay, in which a pair of ribbed rollers is used to crimp the stems of the crop passing between, to promote drying of the crop. The improvement comprises the use of additional pairs of ribbed rollers,...	05/01/1984
4212142	Crop deflector control A hay conditioner is provided with a crop deflecting baffle having a raised inoperative position and a lowered operating position for deflecting crop downwardly for deposit in a swath. The baffle position control includes a transverse rod having chains at...	07/15/1980
4127979	Hay conditioning roll A hay conditioning roll is provided with a plurality of equally circumferentially spaced ribs extending across the axial length of the roll, the ribs having a slope relative to the axis of the roll reversing from positive to negative at least once. The co...	12/05/1978
4099364	Fluffer shield system for crop harvester A plurality of fluffer shields mounted in generally end-to-end relationship on the frame of a crop harvester and conditioner. Each fluffer shield is pivotally adjustable independently of the other shields to control the rearward movement of portions of th...	07/11/1978
4075822	Crop conditioner roll structure A novel combination of a resilient upper roller having circumferentially spaced rib formations and a rigid lower roller having complementary rib formations. The formations are spiral or herringbone-like and register rib-to-rib while the conditioner provid...	02/28/1978

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Class 56/16.4C - Having cooperating or mating surface textures