Patents Assigned to Claas oHG
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Patent number: 5024631Abstract: In a combine harvester having a tangential-flow threshing unit installed transversely to the direction of travel and comprising a drum (6) and a concave which has a frame (14) and a removable sieve lining (25), an inclined conveyor (3) protruding into the threshing unit housing through the front wall (1) of the latter and an opening in this wall (1) being arranged above the inclined conveyor (3), it is proposed, in order to facilitate the installation and removal of the sieve lining (25), that the said sieve lining be divided into a plurality of longitudinally abutting lining sections which are supported at the butt joints by arcuate webs and that the sieve lining (25) and the frame (14) be designed in such a way that the sieve lining (25) is removable in the circumferential direction from the frame (14) and can be removed through the opening in the wall (1) without dismounting the inclined conveyor (3).Type: GrantFiled: April 23, 1990Date of Patent: June 18, 1991Assignee: Claas OHGInventors: Franz Heidjann, Karl-Josef Kleingraeber
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Patent number: 5024630Abstract: A harvester thresher includes a chassis, a housing, a threshing mechanism operating in accordance with the principle of a tangential flow, straw shaking means, and a threshing and separating unit located after the straw shaking means in the housing including a rotor and a casing, the threshing and operating unit operating in accordance with the principle of an axial flow and formed as a separate unit which is supported in the housing exchangeably so that it can be exchanged by another structural unit.Type: GrantFiled: May 29, 1990Date of Patent: June 18, 1991Assignee: CLAAS OHGInventors: Horst Harig, Hermann Kersting
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Patent number: 5021028Abstract: A harvester thresher has a housing, several straw shakers located after the threshing device having a discharge end, a threshing and separating device having two lateral product outlet openings, a chopper having two opposite ends, and passages each connected with a respective one of the product outlet openings of the threshing and separating device and having an end located above a respective one of the ends of the chopper.Type: GrantFiled: October 5, 1989Date of Patent: June 4, 1991Assignee: Claas OhgInventors: Hermann Kersting, Franz Piesch
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Patent number: 4998904Abstract: A harvester thresher comprises a housing threshing device accommodated in the housing, a plurality of straw shakers located after the threshing device and having a discharge end, threshing and separating device located after the straw shakers, and device for transferring an agricultural product from the straw shakers to the threshing and separating device and including a transferring element fixedly connected with the discharge of each of the shakers for transferring the agricultural product from each of the shakers to the threshing and separating device, and a transfer bottom associated with each of the transferring elements.Type: GrantFiled: April 18, 1989Date of Patent: March 12, 1991Assignee: Claas OHGInventor: Hermann Kersting
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Patent number: 4976654Abstract: A self-propelling harvester thresher comprises a threshing unit, a separating unit located downstream of the threshing unit, the separating unit extending along a traveling direction of the harvester thresher and operating in accordance with the principle of axial flow, and a transporting unit associated with the separating unit and transporting a grain-chaff mixture, the transporting unit being located laterally near the supporting unit.Type: GrantFiled: May 5, 1988Date of Patent: December 11, 1990Assignee: Claas OhgInventors: Johannes Dammann, Franz Heidjann, Heinrich Roderfeld
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Patent number: 4974402Abstract: A harvesting implement for harvesting of corn and other grain products, to be arranged in front of a harvester thresher, comprises a driven drawing roller having a substantially cylindrical main body and a plurality of impact plates provided with cutouts, a cutting block provided with cutting elements extending through the cutouts, and a counter holder associated with the drawing roller. The counter holder is formed as a driven counter roller which is axes parallel to the picking roller, the counter roller includes a main body with a plurality of segments spaced from one another, the drawing roller and the counter roller are both associated with the one common cutting block, the cutting elements of the cutting block include a plurality of cutters which extend simultaneously in the intermediate spaces between the segments of the counter roller and in the cutouts of the impact plates of the drawing roller.Type: GrantFiled: January 3, 1990Date of Patent: December 4, 1990Assignee: Claas OHGInventors: Heinrich Ostrup, Lambert Sanders, Heribert Dudler
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Patent number: 4961305Abstract: An agricultural implement for harvesting corn or other grain fruits to be used especially as a front implement as a harvester thresher comprises a drawing unit, a unit forming a picking gap for separating cobs from a fruit, a picking roller surrounded by a partial casing and having a cylindrical base body with a plurality of impact plates provided with cutouts, a cutting unit provided with a plurality of cutting members extending through the cutouts, the cutting unit having an end which is opposite to the cutting members, a joint traverse supporting the cutting unit at the end independently of the partial casing the turnable about an axis extending parallel to an axis of the picking roller, the traverse together with the cutting unit being turnable against a spring force about an axis which extends parallel of the axis of the base body and being arrestable upon turning.Type: GrantFiled: August 3, 1988Date of Patent: October 9, 1990Assignee: Claas OHGInventors: Heinrich Ostrup, Lambert Sanders
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Patent number: 4947948Abstract: A control device with a steering control block in which four hydraulic control valves, controllable in pairs by means of a spool valve, together with reversing valves, adjustable by the spool valve, are disposed and are connected with forward and reverse controlling control connectors of a right and a left drive. The spool valve is activated by a steering wheel and a drive lever; the drives are differentially charged in an analog steering sense. The control device is suitable for tracked vehicles.Type: GrantFiled: July 18, 1989Date of Patent: August 14, 1990Assignee: Claas OHGInventor: Heinrich Duckinghaus
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Patent number: 4928460Abstract: A self-propelling field chopping machine comprises a chassis, a front cutting mechanism, a transporting channel provided with a throwing out pipe having a downstream end, a rotatable conveyor arranged upstream of the transporting channel and formed as a rotatable conveyor drum provided with paddels, a threshing device arranged between the cutting mechanism and the rotatable conveyor drum and operating in accordance with an axial flow system, a wind sieve device located at the end of the throwing pipe so that a grain-chaff mixture without straw is supplied to the wind sieve device, and a grain tank located under the wind sieve device.Type: GrantFiled: April 29, 1988Date of Patent: May 29, 1990Assignee: Claas OHGInventors: Dirk Bruer, Franz Heidjann, Heinrich Hemker
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Patent number: 4917652Abstract: A harvester thresher is provided with a device for distributing grain-chaff mixture coming from a grain separating device over the whole width of a cutting mechanism which is generally substantially wider than the harvester thresher itself. For this purpose the housing which surrounds discs provided with distributing strips peripherally and at their one end side is provided with an additional air supply opening, so that in the region of the distributing strips a suction aspirates the grain-chaff mixture into the distributing device.Type: GrantFiled: February 17, 1988Date of Patent: April 17, 1990Assignee: Claas OhgInventors: Franz Glaubitz, Horst Harig
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Patent number: 4903470Abstract: A self-propelling harvester thresher comprises a conveyor, a two-part cutting mechanism having two cutting mechanism halves which are turnable substantially in a horizontal plane between a working position and a transporting position, elements allowing the turning of the cutting mechanism halves and including two turnable supports and a joint vertically extending hinge axle. The cutting mechanism halves are each connected through a respective one of the turnable supports with the inclined conveyor and also are connected with one another by the hinge axle.Type: GrantFiled: August 29, 1988Date of Patent: February 27, 1990Assignee: Claas OhgInventors: Heinrich Hemker, Heinrich Ostrup
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Patent number: 4884993Abstract: A harvester thresher comprises a chassis, a housing, a threshing and separating mechanism operating in accordance with the principle of a tangential flow and including a threshing drum and a threshing basket, a shaker located after the threshing mechanism as considered in direction of an agricultural product flow, and a threshing and separating device located after the shaker in the housing, operating in accordance with the principle of axial flow and including a rotor and a casing.Type: GrantFiled: October 19, 1988Date of Patent: December 5, 1989Assignee: Claas OhgInventors: Heinrich Hemker, Franz Heidjann
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Patent number: 4881920Abstract: A self-propelling harvester thresher, particularly a caterpillar-driven small harvester thresher for rice or the like comprises a threshing and separating mechanism operating in accordance with an axial flow system, a sieve device for separating a grain-chaff mixture and having a transporting bottom, and a transporting device arranged to transport the grain-chaff mixture from the threshing and separating mechanism to the sieve device, the transporting device including a trough and at least one collecting and transferring screw which is supported in the trough and extends transversely to a travelling direction, the collecting and transferring screw having two oppositely running screw plates provided on its ends and a throwing scoop provided in its center, the collecting and transferring screw and the trough being arranged before the transporting bottom as considered in a product throughgoing direction and substantially in a same horizontal plane with the transporting bottom.Type: GrantFiled: November 14, 1988Date of Patent: November 21, 1989Assignee: Claas OHGInventor: Franz Heidjann
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Patent number: 4876912Abstract: A switching mechanism for driving a self-propelling agricultural machine, particularly a harvester thresher, comprises a switching lever arranged to assume a switching-off position actuated by a spring force and a fixed abutment, and a switching-on position actuated against a spring force, and mechanical means for obtaining a fixed position of the switching lever, the switching lever being arranged so that it is movable both for obtaining the switching-on position and also for unlocking the switching lever from the fixed position in a same direction.Type: GrantFiled: October 13, 1988Date of Patent: October 31, 1989Assignee: Claas OhgInventor: Franz Stein
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Patent number: 4875331Abstract: A liftable and lowerable product receiving arrangement for agricultural machines, especially for self-propelling harvester threshers, comprises a cutting mechanism platform having a front end, a flexible cutting bar mounted on the front end of the cutting mechanism platform, sliding skids arranged to support the cutting bar in a height-displaceable manner relative to the cutting mechanism platform, and supporting skids associated with the cutting mechanism platform and arranged behind the flexible cutting bar as considered in a transporting direction and at least in its both lateral end regions, the supporting skids have lower limits extending at most at a height of one of the cutter bar and the sliding skids.Type: GrantFiled: June 30, 1988Date of Patent: October 24, 1989Assignee: CLAAS OHGInventors: Heinrich Ostrup, Josef Hegger
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Patent number: 4869058Abstract: A self-propelling agricultural machine, especially a self-propelling harvester thresher comprises a machine part having a front side, a working implement mounted on the front side of the machine part and turnable in a direction which is transverse to a travelling direction, and a unit for mounting the working implement on the machine part and including two cylinder-piston units having pistons with piston rods which are connected with the working implement and also having cylinders which are connected with the machine part, the connecting unit also having a switching valve, the cylinders of the cylinder-piston units having piston-side chambers which are connected with one another and piston rod-side chambers which are individually connected to the switching valve.Type: GrantFiled: August 31, 1988Date of Patent: September 26, 1989Assignee: Claas OhgInventors: Heinrich Ostrup, Gunter Eis
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Patent number: 4864807Abstract: A harvesting arrangement for harvesting corn and other grain fruits and formed as a front implement of a harvester thresher, the harvesting arrangement comprises drawing devices for drawing harvested product from the field, a picking gap for separating ears from stalks, a picking roller which is only one for each stalk row, the picking roller including a substantially cylindrical base body with a casing provided with a plurality of impact plates having cut outs, a cutting device including a plurality of individual cutters each having a free-running end which faces toward the base body and an opposite end which faces away from the base body, the casing of the base body having a plurality of recesses in which the free running ends of the cutters are introduced, and holding elements arranged to support the opposite ends of the cutters adjustably relative to the base body.Type: GrantFiled: August 3, 1988Date of Patent: September 12, 1989Assignee: Claas OhgInventors: Heinrich Ostrup, Lambert Sanders
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Patent number: 4825760Abstract: A piston type bailer for producing bales of agricultural material comprising a bailing chamber with a reciprocating pressing piston, a crank drive for reciprocating the pressing piston. A feeding element is arranged to feed agricultural material to the bailing chamber. As auxiliary drive changes a position of the feeding element from the crank drive. The auxiliary drive having a first crank unit associated with the feeding element and including a first crank pin rotatably supporting the feeding element, a crank axle and a first crank arm arranged on the crank axle, and a second crank unit associated with the crank drive of the pressing piston and includes a second crank arm driven from the pivot axle of the crank drive and a pivot pin driven by the crank arm.Type: GrantFiled: November 13, 1987Date of Patent: May 2, 1989Assignee: Claas OHGInventor: Otger Weddeling
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Patent number: 4767067Abstract: An agricultural machine for producing a storable power fodder of grain and stalk product comprises a device for cutting a grain containing stalk product, a device for threshing the cut product, a device for separating during the threshing a part composed of stalk and leaf fraction, a device for throwing the separated part onto a field, and a device for comminuting a remaining part composed of grains and short straw.Type: GrantFiled: September 15, 1987Date of Patent: August 30, 1988Assignee: Claas OHGInventors: Dirk Bruer, Hermann Garbers, Franz Heidjann
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Patent number: 4759173Abstract: A self-propelling agricultural machine, particularly a harvester thresher, comprises a machine unit provided with supporting elements, a front working implement turnable transversely to a traveling direction and having upper receiving elements for the supporting elements, and lower locking elements, and cylinder-piston units each having a cylinder and a piston with a piston rod having a free end, the supporting elements being mounted on the free ends of the piston rods of the cylinder-piston units, while the cylinders being connected with the machine unit.Type: GrantFiled: June 23, 1986Date of Patent: July 26, 1988Assignee: Claas OhgInventors: Heinrich Ostrup, Karl Rupprecht, Gunter Eis