Patents Represented by Attorney John B. Mitchell
  • Patent number: 4171180
    Abstract: A fast acting clutching and de-clutching mechanism in combination with a safety apparatus for a forage wagon is disclosed. Two interconnected alternative input drive shafts, one of the unloading from the front of the wagon and the other for the unloading to the rear thereof, are connected to the operable components of the wagon via a two-jaw clutch. Manually operated trip mechanisms adjacent the main openings in the wagon box are used to rapidly disengage the clutch jaws whenever sufficient contact is made therewith. A manual reset device is employed to engage the clutch jaws and reactivate the trip mechanisms.
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: October 16, 1979
    Assignee: Sperry Rand Corporation
    Inventors: Robert A. Wagstaff, Bernard T. Jenny, Roger L. Risser
  • Patent number: 4169410
    Abstract: In a crop roll forming machine of the type having a bale forming region defined by bale forming means movably mounted on a mobile frame and wrapping means to bind a formed roll of crop material with a binding material there is provided a plurality of independently operable severing means that, in synchronization, will be activated by triggering means to concurrently sever the binding material. The severing means are comprised of a plurality of cutting blades and striker plates which cooperatively interface at the conclusion of a bale wrapping cycle to sever the binding material.
    Type: Grant
    Filed: April 7, 1978
    Date of Patent: October 2, 1979
    Assignee: Sperry Rand Corporation
    Inventor: John S. Richardson
  • Patent number: 4165751
    Abstract: This invention pertains to a combine of the axial flow type in which rotor means extend longitudinally within the combine in association with concaves, the rotor having in axial alignment, a threshing portion and a separating portion rearward thereof and mounted for coaction with respective concaves disposed beneath the rotor. Tailings which are discharged from the separator section of the rotor and concave normally contain a worthwhile amount of crop material intermixed with waste chaff, straw and the like, and further threshing to separate the crop material from the waste material is effected by a rotatable beater and coacting grate which extend transversely to the axis of the rotor and rearward of the discharge end of the separator portion of the rotor and concave.
    Type: Grant
    Filed: April 7, 1978
    Date of Patent: August 28, 1979
    Assignee: Sperry Rand Corporation
    Inventor: Robert R. Todd
  • Patent number: 4162725
    Abstract: An improved bale thrower for use with a hay baler is disclosed. The thrower affixes to the discharge end of the bale case of the baler and can be selectively pivoted vertically about at least one horizontal axis between a first operative position for directionally ejecting bales and a second inoperative position which allows the bales to be deposited directly on the ground behind the baler.
    Type: Grant
    Filed: June 30, 1977
    Date of Patent: July 31, 1979
    Assignee: Sperry Rand Corporation
    Inventors: Charles A. Smith, Clair S. Adams
  • Patent number: 4162135
    Abstract: Apparatus functioning in combination with a crop bale forming machine to receive an ejected bale of crop material moving along a predetermined path of travel from a bale outlet in a crop bale forming machine and, via conveying means, turn it a predetermined angle about a vertical axis from the predetermined path of travel prior to the bale's assuming a position of rest on the ground.
    Type: Grant
    Filed: December 1, 1977
    Date of Patent: July 24, 1979
    Assignee: Sperry Rand Corporation
    Inventor: Shaun A. Seymour
  • Patent number: 4161097
    Abstract: A knotter mechanism, primarily for use in crop baling machines, with an improved billhook and actuation means therefor is disclosed. The billhook is rotatably mounted on the knotter frame and includes a fixed jaw having an elongate shaft and a movable jaw with an integral heel portion is pivotally fixed to the fixed jaw whereby pivotable of the moveable jaw opens and closes the billhook. An actuation means in the form of a rotatable roller is mounted on the knotter frame adjacent the billhook on an axis of rotation perpendicular to the longitudinal axis of the fixed jaw shaft. As the billhook rotates, the heel portion of the moveable jaw periodically engages the roller, resulting in selective opening and closing of the billhook.
    Type: Grant
    Filed: June 16, 1978
    Date of Patent: July 17, 1979
    Assignee: Sperry Rand Corporation
    Inventor: Marc G. Vansteelant
  • Patent number: 4159615
    Abstract: Apparatus in a crop roll forming machine for improving the core formation of the crop rolls, reducing the amount of particles of crop material lost, and collecting particles of crop material lost from either the crop package or loose crop material during the roll formation process comprising stripping surfaces and an elongated tailgate with a collection pan. The particles are recycled from the collection pan back into the roll forming region by the cooperative interaction of the tailgate collection pan and the upper bale forming means as the bale forming means traverses a predetermined path imparting rotative motion to the crop material delivered to the roll forming region.
    Type: Grant
    Filed: November 2, 1977
    Date of Patent: July 3, 1979
    Assignee: Sperry Rand Corporation
    Inventors: Edward T. Eggers, Thomas W. Waldrop, Donald L. Sheesley, Willis R. Campbell
  • Patent number: 4159023
    Abstract: A crop handling unit for an axial-flow type combine harvester having an infeed region and tandem threshing and separating regions. An associated conveyor is provided for delivering crop material into the infeed region of the unit whereupon material is urged rearwardly along a generally helical path. Ultimately grain is separated from the crop material and discharged through concaves and grates in the threshing and separating regions, respectively, onto a grain pan. The infeed region is provided with improved means to spread out abnormally thick masses of material during its rearward travel.
    Type: Grant
    Filed: August 2, 1977
    Date of Patent: June 26, 1979
    Assignee: Sperry Rand Corporation
    Inventors: Robert R. Todd, Edward W. Rowland-Hill
  • Patent number: 4158331
    Abstract: In a crop roll forming machine which forms large cylindrically shaped bales in a bale forming region and wraps the bales with a binding material and which further has a wrapping means for controlling the wrapping of the completed bale there is provided at least a first and a second binding material dispensing means adjacent the bale forming region connected to the wrapping means so that upon actuation of the wrapping means the first dispensing means is driven across a portion of the bale forming region in a first predetermined path and the second dispensing means is driven in a second predetermined path. The predetermined paths are adjacent the completed bale to effect the wrapping of the bale substantially across its length as the bale is rotated by the bale forming means of the crop roll forming machine.
    Type: Grant
    Filed: April 7, 1978
    Date of Patent: June 19, 1979
    Assignee: Sperry Rand Corporation
    Inventors: Willis R. Campbell, John H. Freimuth
  • Patent number: 4158469
    Abstract: The feed material handling apparatus has a frame supporting a feed-receiving hopper disposed horizontally on said frame and an impeller rotatable about a vertical axis therein impels said material through a discharge tunnel to a substantially vertical blower having an impeller operable about a horizontal axis which urges the material up a vertical transition member into a silo or the like. The hopper adjacent said tunnel is partially covered and provided with air inlet openings, while the sidewalls of said blower are imperforate except for a material inlet opening from said tunnel and openings for a shaft for said impeller of said blower. A metering blade also is mounted adjacent the inlet to said tunnel to control the flow of material to said tunnel.
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: June 19, 1979
    Assignee: Sperry Rand Corporation
    Inventors: Roger L. Risser, Arthur L. Kelsey, Thomas L. Stiefvater
  • Patent number: 4155510
    Abstract: A flail type material spreader has a tank for holding material, a rotor mounted within the tank and having flails provided thereon which, on rotation of the rotor, are operable to discharge material from the tank, the flails including at least one starter flail located at one end of the tank and comprising an elongate plate rigidly connected to the rotor and two flail heads connected to the plate on opposed sides of the rotor, opposed corners of the plate which lead the respective shorter sides of the plates on rotation of the rotor being smoothly curved.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: May 22, 1979
    Assignee: Sperry Rand Corporation
    Inventor: David J. Haynes
  • Patent number: 4154162
    Abstract: A crop material roll forming machine, such as a large round baler, has a mobile frame adapted to travel across a field, an upper apron movably mounted on the frame that cooperates with an improved lower apron in defining a roll forming region therebetween. The lower apron is movably mounted on the frame below the upper apron and includes a series of fore-and-aft extending transversely spaced apart flexible members which are supported at their respective forward end portions by a first series of transversely spaced apart elements and at their respective rearward end portions by a second series of transversely spaced apart elements. The first series of elements are individually mounted on the front end of the frame and are yieldably movable in a fore-and-aft direction for maintaining a level of tension on the flexible members sufficient to facilitate coiling of crop material into a roll in the roll forming region.
    Type: Grant
    Filed: August 30, 1976
    Date of Patent: May 15, 1979
    Assignee: Sperry Rand Corporation
    Inventors: Edward T. Eggers, Allison W. Blanshine
  • Patent number: 4151961
    Abstract: A mobile processing machine for shredding a package of forage material such as a large cylindrical bale comprising a planar elevating member pivotally supported adjacent one edge in a frame and operated by hydraulic cylinder units from the under-surface to elevate the leading edge upwardly and having slidably related plate mechanism to prevent passage of said products at the pivoted area of said member and also provide a downwardly and inwardly directed surface for a bale of said products to urge the same against a pair of rotatable shredding members which direct the shredded product material to an auger for discharge from one end of the machine.
    Type: Grant
    Filed: December 19, 1977
    Date of Patent: May 1, 1979
    Assignee: Sperry Rand Corporation
    Inventors: Stanley J. Makofka, Shaun A. Seymour
  • Patent number: 4150756
    Abstract: A bale wagon having an improved bale-receiving means, which is operable to deposit bales onto the bale-supporting means either on edge or on the flat is disclosed. A pusher mechanism including a bale-engaging member moves the bales on edge to the bale-supporting table or operates in conjunction with a bale-turning apparatus to rotate the bales 90 degrees axially prior to the transfer step. Swing arms within the bale-engaging member allow the selective 90 degree pivoting of bales necessary for the automatic formation of tie tiers.
    Type: Grant
    Filed: March 30, 1978
    Date of Patent: April 24, 1979
    Assignee: Sperry Rand Corporation
    Inventor: L. Dennis Butler
  • Patent number: 4150525
    Abstract: In a combine harvesting machine comprising a plurality of interconnected sub-assemblies, there is provided the apparatus and the method for utilizing an entirely separate, self-contained, and self-supporting straw walker sub-assembly that may be mounted to a mobile chassis during the production line assembly.
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: April 24, 1979
    Assignee: Sperry Rand Corporation
    Inventors: Cyriel R. J. De Busscher, Marcel A. Dekeyzer, Francois VAN Herpe
  • Patent number: 4149360
    Abstract: A combine harvester having crop cutting and elevating means at the forward end of the combine to deliver crop material to be threshed to a threshing compartment in which axial rotor and concave means thresh and axially move the crop material to straw walker means immediately rearward of said threshing compartment to separate straw and chaff from threshed crop material and discharge the straw and chaff from the rear end of the harvester.
    Type: Grant
    Filed: January 27, 1978
    Date of Patent: April 17, 1979
    Assignee: Sperry Rand Corporation
    Inventor: Edward W. Rowland-Hill
  • Patent number: 4149543
    Abstract: The invention relates to a harvesting machine provided with rotary separating means, grain cleaning means located generally below the rotary separating means and at a central location below and between transversely spaced separator discharge openings, and deflector means to convey and deflect crop material from locations generally below and at both sides of the cleaning means rearwardly and inwardly to a central location generally to the rear of the discharge end of the cleaning means. The deflector means are comprised of overhead and lateral deflectors positioned at predetermined angles to one another to progressively change the direction of movement of the discharged crop material from a generally fore-and-aft path towards the central discharge location.
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: April 17, 1979
    Assignee: Sperry Rand Corporation
    Inventors: Frans J. G. C. Decoene, Jan C. VAN Groenigen
  • Patent number: 4149639
    Abstract: A bale wagon having a bale-receiving area, a bale-accumulating area, means for transferring bales from the bale-receiving area to the bale-accumulating area, and an improved means for sensing the location of bales on the bale-receiving area and activating the means for transferring is disclosed. The improved sensing and activating means includes a cantilevered arm pivotable about a vertical axis between first and second predetermined sensing locations. A follower fixed to the arm and movable therewith either activates a sensor after a predetermined amount of radial movement corresponding to the second sensing location, or engages a spacer which is caused to activate the sensor after another smaller amount of radial movement corresponding to the first sensing location.
    Type: Grant
    Filed: March 30, 1978
    Date of Patent: April 17, 1979
    Assignee: Sperry Rand Corporation
    Inventors: J. Dwayne Wells, L. Dennis Butler
  • Patent number: 4146038
    Abstract: The invention relates to combine harvesters having stone traps for collecting stones and other foreign objects before they reach the threshing means of the harvesters and enabling the trapped stones to be easily removed from the harvesters.
    Type: Grant
    Filed: April 20, 1977
    Date of Patent: March 27, 1979
    Assignee: Sperry Rand Corporation
    Inventors: Cyriel R. J. De Busscher, Marcel A. Dekeyzer, Marc E. Ramon
  • Patent number: RE30056
    Abstract: A crop harvesting machine has a mobile frame adapted to move across a field, an elongated crop material harvesting header and an improved pair of assemblies laterally spaced apart along the frame for suspending the header from the frame. Each of the assemblies includes a lower link pivotally interconnecting a lower portion of the header and a lower portion of the frame and an upper link pivotally mounted on an upper frame portion and having front and rear portions which respectively extend forwardly and rearwardly from the location of pivotal mounting of the upper link on the upper frame portion. The front portion of each upper link is pivotally connected to an upper header portion.
    Type: Grant
    Filed: April 21, 1978
    Date of Patent: July 31, 1979
    Assignee: Sperry Rand Corporation
    Inventor: Lawrence M. Halls