Patents by Inventor John A. Schraeder

John A. Schraeder has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8973342
    Abstract: A system and method for controlling a load on an agricultural harvester (100) comprising a first sensor (124, 126, 128, 130) to sense a first load, a second sensor (132, 134, 136, 138) to sense a second load, an electronic control unit (200) coupled to the first sensor and the second sensor, the electronic control unit (200) being configured to determine a difference between the first load and the second load, and to either (a) raise a harvesting head (102) or (b) stop the agricultural harvester (100), or (c) both, when the difference exceeds a threshold load.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: March 10, 2015
    Assignee: Deere & Company
    Inventors: Aaron S Ritter, John A Schraeder, Bruce A Coers
  • Publication number: 20140250849
    Abstract: A system and method for controlling a load on an agricultural harvester (100) comprising a first sensor (124, 126, 128, 130) to sense a first load, a second sensor (132, 134, 136, 138) to sense a second load, an electronic control unit (200) coupled to the first sensor and the second sensor, the electronic control unit (200) being configured to determine a difference between the first load and the second load, and to either (a) raise a harvesting head (102) or (b) stop the agricultural harvester (100), or (c) both, when the difference exceeds a threshold load.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 11, 2014
    Applicant: DEERE & COMPANY
    Inventors: AARON S. RITTER, JOHN A. SCHRAEDER, BRUCE A. COERS
  • Patent number: 8826635
    Abstract: A combine harvester (100) comprises a feederhouse (104) pivotally coupled to a forward end of the chassis (144) of the combine harvester (100). The feederhouse (104) comprises a front frame (120) pivotally coupled to a front end of the feederhouse (104). A feederhouse lift motor (141) is coupled at its rear end to the chassis (144) and at its front end to the front frame (120). A pivot motor (152) is coupled to and between the front end of the feederhouse (104) and the front frame (120) to pivot the front frame (120) with respect to the front end of the feederhouse (104).
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: September 9, 2014
    Assignee: Deere & Company
    Inventor: John A Schraeder
  • Publication number: 20140215992
    Abstract: A combine harvester (100) comprises a feederhouse (104) pivotally coupled to a forward end of the chassis (144) of the combine harvester (100). The feederhouse (104) comprises a front frame (120) pivotally coupled to a front end of the feederhouse (104). A feederhouse lift motor (141) is coupled at its rear end to the chassis (144 and at its front end to the front frame (120). A pivot motor (152) is coupled to and between the front end of the feederhouse (104) and the front frame (120) to pivot the front frame (120) with respect to the front end of the feederhouse (104).
    Type: Application
    Filed: February 6, 2013
    Publication date: August 7, 2014
    Applicant: Deere & Company
    Inventor: JOHN A. SCHRAEDER
  • Patent number: 8079204
    Abstract: An agricultural harvester includes a feeder house drivably coupled to a power source. The feeder house has a housing frame. A faceplate is pivotally coupled to the housing frame to facilitate a pivoting of the faceplate relative to the housing frame. A hydraulic cylinder has a first end connected to the housing frame and a second end coupled to the faceplate to facilitate movement of the faceplate relative to the housing frame. The hydraulic cylinder has a plurality of hydraulic ports for facilitating movement of the operating piston of the hydraulic cylinder, with at least a first hydraulic port of the plurality of hydraulic ports being connected in fluid communication with a hydraulic power system. A first accumulator containing a compressible gas charge is connected in fluid communication with the first hydraulic port of the hydraulic cylinder.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: December 20, 2011
    Assignee: Deere & Company
    Inventors: Bruce A. Coers, Paul D. Marvin, John A. Schraeder
  • Publication number: 20100071330
    Abstract: An agricultural harvester includes a feeder house drivably coupled to a power source. The feeder house has a housing frame. A faceplate is pivotally coupled to the housing frame to facilitate a pivoting of the faceplate relative to the housing frame. A hydraulic cylinder has a first end connected to the housing frame and a second end coupled to the faceplate to facilitate movement of the faceplate relative to the housing frame. The hydraulic cylinder has a plurality of hydraulic ports for facilitating movement of the operating piston of the hydraulic cylinder, with at least a first hydraulic port of the plurality of hydraulic ports being connected in fluid communication with a hydraulic power system. A first accumulator containing a compressible gas charge is connected in fluid communication with the first hydraulic port of the hydraulic cylinder.
    Type: Application
    Filed: September 22, 2008
    Publication date: March 25, 2010
    Inventors: Bruce A. Coers, Paul D. Marvin, John A. Schraeder
  • Publication number: 20070197272
    Abstract: A pivoting mid-floor section for use in a feeder house in an agricultural combine is located between the transverse drum and the transverse sprocket means. The pivoting mid-floor can move or adjust when a large volume of crop material is fed into the feeder house, while providing support for the conveyor chain along substantially the entire length of travel between the transverse drum and sprocket means, thus reducing the friction on the chain, and preventing the system slow downs that occurred in feeder house systems using a fixed mid-floor. Additionally, replaceable wear-resistant surfaces can be affixed to the runners or guides of the mid-floor to further extend wear life and reduce friction between the chain slats and mid-floor. The friction occurs between the wear pads on the runners or guides and the chain slats, rather than between the chain components and the mid-floor.
    Type: Application
    Filed: February 17, 2006
    Publication date: August 23, 2007
    Inventors: Benjamin Ramp, John Schraeder, Mark Payne, Rebecca Frana-Guthrie, Mark Melton, Jeffrey Hogue
  • Patent number: 4669489
    Abstract: The rear mounted straw chopper of a combine harvester receives the straw discharge from the straw walkers of the combine and discharges chopped straw rearwardly. The chopper is slidably supported on a pair of spaced apart, longitudinally oriented guide rails so that the chopper can be adjusted from a rearward, operating position to a forward, inoperative or windrow position in which straw bypasses the chopper. Movement of the chopper on its guide rails is facilitated by attachment to the straw chopper casing of a transverse shaft and sprocket assembly, the teeth of a pair of sprockets engaging longitudinally spaced openings in the guide rails so that, upon rotation of the shaft, the sprockets and guide rails cooperate in rack and pinion fashion to propel the chopper assembly along the rails while maintaining it in square alignment. The shaft and sprocket assembly may be rotated conveniently by means of a wrench engaging flats on an end of the shaft.
    Type: Grant
    Filed: December 2, 1985
    Date of Patent: June 2, 1987
    Assignee: Deere & Company
    Inventors: John A. Schraeder, William M. Boehler, Philip C. Kester