Patents Assigned to Kuhn S.A.
  • Patent number: 4811553
    Abstract: The rotary mower of the invention includes a housing (9) formed by modules (10) which have flanges (29, 30) making it possible to connect them to one another by means of assembly elements (28). The flanges (29, 30) are formed by at least two wings spaced from one another and directed forwardly. The flanges (29, 30) are formed by at least two wings spaced from one another and directed forwardly. The wings are connected by at least one connecting wing directed crosswise to the direction of advance (6) and connected to the body of module (10).
    Type: Grant
    Filed: February 3, 1988
    Date of Patent: March 14, 1989
    Assignee: Kuhn, S.A.
    Inventors: Rino Ermacora, Horst Neuerburg
  • Patent number: 4809488
    Abstract: A mower including a frame supporting, by means of connecting members, one or more rotary cutting elements equipped with cutting tools and surmounted by a rotary drum which is equipped with a casing. At least a part of the connecting members penetrate into the rotary drum. A device for drive the cutting element and the rotary drum includes a shaft and a hub connected in rotation to the shaft. The cutting element and the rotary drum are fastened to the hub, and the shaft and the hub extend partly at least into the rotary drum. The part of the connecting members penetrating into the rotary drum is connected to the shaft of the cutting element. The casing of the the rotary drum is formed by standards separated from one another by spaces and connected together at their lower part by a lower connecting element and at their upper part by an upper connecting element.
    Type: Grant
    Filed: May 4, 1987
    Date of Patent: March 7, 1989
    Assignee: Kuhn, S.A.
    Inventors: Horst Neuerburg, Jean-Marc Jurgens
  • Patent number: 4771591
    Abstract: A mower comprising at least one mowing unit 1 provided with a cutting bar 2 on the upper face 8 of which are placed a plurality of cutting elements 5, 6, and 7 mounted to rotate around axes 15 directed upwardly with the aid of a plurality of shafts 9, 10, and 11 guided in rotation in a housing 4 of the cutting bar 2. A support structure 3 is placed at a certain distance above the cutting bar 2 and is connected to the cutting bar 2. The support structure 3 includes a beam 28 extending crosswise to the direction of advance of the mowing unit during use. The beam 28 is connected to a strut 29 extending downwardly in the direction of a cutting element 7. The strut 29 is connected to the shaft 11 by a bearing 132. The bearing 132 includes a cylindrical guide 31, 32 the axis of which is merged with the axis 15 of the shaft 11. A connecting device 35 connects the strut 29 to the beam 28.
    Type: Grant
    Filed: April 17, 1987
    Date of Patent: September 20, 1988
    Assignee: Kuhn, S.A.
    Inventor: Rino Ermacora
  • Patent number: 4768333
    Abstract: This invention relates to a farm machine having a device (2) for picking up hay on the ground and a device (3) for moving the hay laterally and turning it over. The device (3) for moving and turning over the hay includes a flexible belt (21) equipped with drivers (22) and oriented crosswise to the flow of the hay. An at least approximately flat guide plate (23) extends from the pickup device (2) to the drivers (22). The machine according to the invention makes it possible to move and turn over windrows of hay or other plants that are on the ground.
    Type: Grant
    Filed: July 21, 1987
    Date of Patent: September 6, 1988
    Assignee: Kuhn, S.A.
    Inventor: Walter Reber
  • Patent number: 4763463
    Abstract: The rotary mower of the invention includes a housing (9) formed by modules (10) which have flanges (29, 30) making it possible to connect them to one another by means of assembly elements (28). The flanges (29, 30) are formed by at least two wings spaced from one another and directed forwardly. The wings are connected by at least one connecting wing directed crosswise to the direction of advance (6) and connected to the body of module (10).
    Type: Grant
    Filed: February 27, 1987
    Date of Patent: August 16, 1988
    Assignee: Kuhn, S.A.
    Inventors: Rino Ermacora, Horst Neuerburg
  • Patent number: 4742862
    Abstract: A support comprising table receives core boxes of variable size. A shooting head adapts automatically to the size of the core boxes. A gassing head adapts automatically to the size of the core boxes.
    Type: Grant
    Filed: February 19, 1987
    Date of Patent: May 10, 1988
    Assignee: Kuhn S.A.
    Inventor: Andre Weber
  • Patent number: 4730445
    Abstract: The invention relates to a rotary mower driven from below. According to the invention, the upper part of a beam (4) comprises, in the vicinity of cutting elements (5, 7) which rotate in a high plane of rotation, a bulge (30, 32) the upper face of which is at least approximately planar and extends at least approximately parallel to the plane of rotation. The bulges (30, 32) cover at least approximately the space of the upper face of the beam (4) located under the cutting tool support (51, 71) of the high cutting elements (5, 7), and in part at least approximately the space of the upper face of the beam (4) not swept by the cutting tools (9) of the neighboring low cutting elements (6, 8).
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: March 15, 1988
    Assignee: Kuhn, S.A.
    Inventor: Michel Wolff
  • Patent number: 4723404
    Abstract: A haymaking machine having a support frame (1) and several parts (2-4) to which raking wheels (12-15) are connected. Each lateral part (3, 4) of the support frame (1) has a pivoting axis (27) making it possible to change the position of the raking wheel (14, 15) which is fastened to that lateral part (3, 4) when that lateral part (3, 4) is moved around the pivot pin (5, 6) connecting it to the central part (2) of the support frame (1).
    Type: Grant
    Filed: May 12, 1986
    Date of Patent: February 9, 1988
    Assignee: Kuhn S.A.
    Inventor: Jerome Aron
  • Patent number: 4723396
    Abstract: The connecting device 5 which links the mowing group 2 to the hitching device 3 comprises a connecting beam 21 and two connecting bars 38 and 39 that are connected respectively to the end of the connecting beam 21 and to the hitching device 3 by means of joints 36, 37, 40, and 41 so as to form with the hitching device 3 and the connecting beam 21 a deformable quadrilateral. The elastically deformable element 45 of the load-reducing mechanism 43 extends at least between two sides of the deformable quadrilateral, so as to create at the level of the connection 22, 23, 25, and 55 between the connecting beam 21 and the mowing group 2 a force directed upwardly.
    Type: Grant
    Filed: July 16, 1986
    Date of Patent: February 9, 1988
    Assignee: Kuhn, S.A.
    Inventor: Rino Ermacora
  • Patent number: 4720964
    Abstract: A mower having a plurality of rotary cutting elements each of which is provided with at least one cutting tool. At least one of the rotary cutting element is driven by a transmission means housed in a housing located under the rotary cutting element. The housing is composed of cases in which the rotary cutting elements are guided in rotation, and a brace element determines the distance between each two adjacent cases. The housing is made up of at least one module formed by a case and a brace element formed integrally with the case. The front edge of each of said brace elements is pointed over at least a part of its length. At least said at least one rotary cutting element is mounted on a shaft guided in rotation in the bore of a bearing cylinder.
    Type: Grant
    Filed: July 5, 1985
    Date of Patent: January 26, 1988
    Assignee: Kuhn s.a.
    Inventors: Rino Ermacora, Horst Neuerburg
  • Patent number: 4719742
    Abstract: A mowing machine having cutting elements and a beam for attaching to a tractor, and an intermediate structure to which is connected the beam, the cutting elements comprising a first and a second cutting group each group extending on the opposite side of the intermediate structure. The cutting groups are removably mounted on the intermediate structure and optionally are associated with conditioning members for further handling harvested produce.
    Type: Grant
    Filed: March 4, 1987
    Date of Patent: January 19, 1988
    Assignee: Kuhn S.A.
    Inventors: Rino Ermacora, Anton Werner
  • Patent number: 4714123
    Abstract: The farm machine 2 according to the invention comprises a tongue 3 provided with a transmission device 5 fastened to the tongue 3 by a fastening housing 27 comprising a connecting pin 36 and connecting elements 37, 38 which limit the rotation of the transmission housing 5 around the connecting pin 36.
    Type: Grant
    Filed: March 27, 1986
    Date of Patent: December 22, 1987
    Assignee: Kuhn, S.A.
    Inventors: Rino Ermacora, Thierry Krebs
  • Patent number: 4694640
    Abstract: A mowing machine for cutting crop comprises a chassis, cutting members supported by the chassis, and an intermediate structure on the chassis which at least partially supports the cutting members. The cutting members extend on both side of the intermediate structure. The mowing machine also comprises members, such as rotary drums or separating surfaces, which prevent attachment of the crop to the intermediate structure. In a preferred embodiment, the mowing machine further includes conditioning members so that the cutting members and conditioning members comprise a cutting-conditioning group.
    Type: Grant
    Filed: February 13, 1987
    Date of Patent: September 22, 1987
    Assignee: Kuhn S.A.
    Inventors: Rino Ermacora, Patrice Jehl
  • Patent number: 4693065
    Abstract: A farm machine includes a frame, at least one rotor mounted on the frame, and a tapered flexible skirt for moving products that are on the ground mounted on the rotor. The tapered flexible skirt has close to its outer edge a zone the thickness of which is greater than the thickness of the remaining part of the tapered flexible skirt. The zone is an integral part of the tapered flexible skirt and extends without interruption over the entire periphery of the tapered flexible skirt.
    Type: Grant
    Filed: February 6, 1986
    Date of Patent: September 15, 1987
    Assignee: Kuhn S.A.
    Inventors: Jerome Aron, Alfred Engel
  • Patent number: 4685281
    Abstract: A hay spreader having at least one drum (1, 2, 3) provided with a tapered flange (17) with flexible segments (18) intended for movement of products such as hay that are on the ground. The ends of the flexible segments (18) which are connected to the tapered flange (17) of each drum (1, 2, 3) are at least partly covered by panels (21). This invention makes it possible to improve the fastening of the flexible segments (18) to the drums (1, 2, 3).
    Type: Grant
    Filed: July 18, 1985
    Date of Patent: August 11, 1987
    Assignee: Kuhn, S.A.
    Inventor: Walter Reber
  • Patent number: 4669256
    Abstract: The tip of the arm 4 which acts on the stabilization device 26 during the pivoting of the arm 4 is located in the vicinity of the pivoting axis 6 of the arm 4 or behind the axis 6. A damping jack 263 may be used as the stabilization device.
    Type: Grant
    Filed: October 16, 1985
    Date of Patent: June 2, 1987
    Assignee: Kuhn S.A.
    Inventors: Rino Ermacora, Patrice Jehl
  • Patent number: 4656821
    Abstract: In a haymaking machine, at least two drums; a flexible skirt on the lower part of each drum; spaced collectors on the periphery of each drum and means for raising cut hay or fodder plants into a zone located between the drums so as to bring the hay or plants in contact with the collectors.
    Type: Grant
    Filed: March 13, 1986
    Date of Patent: April 14, 1987
    Assignee: Kuhn S.A.
    Inventor: Jerome Aron
  • Patent number: 4633656
    Abstract: In a disk mower which normally has a forward direction of movement and includes a housing, at least two disks rotatably mounted in the housing and operable thereabove, and wherein each disk includes at least one cutter, an entrainment device for the disks supported by the housing and adapted to be driven by a power source external to the housing, and a soil removal device located in a front portion of the housing as defined by the forward direction for reducing any accumulation of soil on the housing, the improvement includes a suspension device for suspending the soil removal device from the housing so as to allow the soil removal device to extend, at the front portion of said housing and as seen from above, completely within the area delimited by the trajectory of said cutters during rotation, and to have at least one degree of freedom of movement with respect to the housing to move along a substantially vertical direction and in an upwardly sense, thereby normally resulting in displacements and/or vibratio
    Type: Grant
    Filed: January 15, 1986
    Date of Patent: January 6, 1987
    Assignee: Kuhn S.A.
    Inventor: Joseph Willinger
  • Patent number: 4628673
    Abstract: In a haymaking machine, at least two drums; a flexible skirt on the lower part of each drum; spaced collectors on the periphery of each drum and means for raising cut hay or fodder plants into a zone located between the drums so as to bring the hay or plants in contact with the collectors.
    Type: Grant
    Filed: June 27, 1984
    Date of Patent: December 16, 1986
    Assignee: Kuhn, S.A.
    Inventor: Jerome Aron
  • Patent number: 4621487
    Abstract: In a haying machine, a chassis, a plurality of rotors mounted side-by-side on the chassis for displacing plants on the ground, a shaft pivoted to the chassis for coupling the chassis to a pulling vehicle, a retractable support, wheels mounted on said support for carrying the machine during transportation thereof, and which are positioned substantially level with the chassis when the machine operates; and a hydraulic jack for simultaneously displacing the chassis with respect to the shaft and the retractable support with respect to the chassis.
    Type: Grant
    Filed: January 21, 1986
    Date of Patent: November 11, 1986
    Assignee: Kuhn S.A.
    Inventors: Jean-Pierre Urlacher, Denis Lang