Patents by Inventor Mark L. Pearson

Mark L. Pearson 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: 9750192
    Abstract: An integrated fan and axle arrangement for an agricultural machine having a an impeller may include a front axle assembly and a fan housing. The front axle assembly supports one or more front wheels of the agricultural vehicle. The impeller rotates within the fan housing to provide an air flow within the agricultural vehicle. A laterally extending portion of the fan housing may form part of the front axle assembly, such that the laterally extending portion of the fan housing may provide structural rigidity to the front axle assembly for the support of the one or more front wheels.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: September 5, 2017
    Assignee: Deere & Company
    Inventors: Ryan P. Mackin, Justin C. Freehill, Mark L. Pearson, Jared R. Suster
  • Patent number: 9622409
    Abstract: A reciprocating knife assembly of an agricultural implement includes first and second elongate reciprocating knives disposed along a leading edge of an agricultural implement, the reciprocating knives being disposed end to end and extending colinearly for simultaneous reciprocation in opposite directions, the first and second reciprocating knives being supported for sliding movement on the agricultural implement in a lateral direction generally perpendicular to the direction of travel of the agricultural implement as it travels through an agricultural field harvesting crop, a first bell crank coupled to the first reciprocating knife to reciprocate said knife, a second bell crank coupled to the second reciprocating knife to reciprocate the second reciprocating knife, and a common drive coupled to the first and second bell cranks to drive both the first and second bell cranks in opposite directions simultaneously.
    Type: Grant
    Filed: October 29, 2009
    Date of Patent: April 18, 2017
    Assignee: Deere & Company
    Inventors: Bruce Alan Coers, Daniel James Burke, Ryan Patrick Mackin, James Kelley Adamson, Mark L. Pearson
  • Patent number: 9345198
    Abstract: A residue chopping and distribution arrangement (48) for a combine harvester (10) comprises a first straw chopper (50) and a second straw chopper (52) arranged side by side and expelling the chopped straw laterally. A first chaff spreader (106) located in front of the first straw chopper (50) is driven by a first drive shaft (68) that also drives a first rotor (66) of the first straw chopper (50). A second chaff spreader (108) located in front of the second straw chopper (52) is driven by a second drive shaft (100) that also drives a second rotor (92) of the second straw chopper (52).
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: May 24, 2016
    Assignee: DEERE & COMPANY
    Inventors: Norbert Pohlmann, Mark L Pearson, Joel D Ferris
  • Publication number: 20160057928
    Abstract: An integrated fan and axle arrangement for an agricultural machine having a an impeller may include a front axle assembly and a fan housing. The front axle assembly supports one or more front wheels of the agricultural vehicle. The impeller rotates within the fan housing to provide an air flow within the agricultural vehicle. A laterally extending portion of the fan housing may form part of the front axle assembly, such that the laterally extending portion of the fan housing may provide structural rigidity to the front axle assembly for the support of the one or more front wheels.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 3, 2016
    Inventors: RYAN P. MACKIN, JUSTIN C. FREEHILL, MARK L. PEARSON, JARED R. SUSTER
  • Patent number: 9258945
    Abstract: A hanger mount (206, 208, 210, 212) is provided for a reciprocating sieve assembly (106, 108) having a left side longitudinal member (300, 308), a right side longitudinal member (302, 310), a forward transverse member (304, 312), and a rearward transverse member (306, 314), wherein the hanger mount is a unitary body that has and defines a hanger connection (1000, 1100, 1200, 1300) that is configured to be coupled to a reciprocating hanger (110, 112); a first mounting surface (1006, 1010, 1106, 1110, 1206, 1210, 1306, 1310) that is configured to be fixed to one of the longitudinal members (300, 308, 302, 310); and a second mounting surface (1025, 1125, 1225, 1325) that is configured to be fixed to one of the transverse members (304, 312, 306, 314).
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: February 16, 2016
    Assignee: DEERE & COMPANY
    Inventors: Mark L Pearson, Jeffrey R Walter, James K Adamson
  • Patent number: 9226450
    Abstract: A frame for reciprocating sieve assembly comprises a first side member (300, 308) that is elongate and extends longitudinally; a second side member (302, 310) that is elongate and extends longitudinally; a third side member (304, 312) that is elongate and extends transversely; a fourth side member (306, 314) that is elongate and extends transversely; a first hanger mount (206L, 210L) coupled to and extending between the first side member and the third side member; a second hanger mount (208L, 212L) coupled to and extending between the first side member and the fourth side member; a third hanger mount (206R, 210R) coupled to and extending between the second side member and the third side member; and a fourth hanger mount (208R, 212R) coupled to and extending between the second side member and the fourth side member; wherein the first side member, the second side member, the third side member, and the fourth side member are comprised essentially of an aluminum alloy; and wherein the first hanger mount, the seco
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: January 5, 2016
    Inventors: Mark L Pearson, Jeffrey R Walter, James K Adamson
  • Patent number: 9198359
    Abstract: A sieve frame (118, 122) for an agricultural harvester comprises two elongate members (300, 302, 308, 310) that are extruded and extend generally horizontally and in the direction of travel of the agricultural harvester. The sieve frame further comprises two additional extruded elongate members (304, 306, 312, 314) that are fixed transversely to the two elongate members. In one arrangement, the ends of the members are fixed together by hanger mounts.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: December 1, 2015
    Inventors: James K Adamson, Mark L Pearson, Jeffrey R Walter
  • Publication number: 20150230408
    Abstract: A residue chopping and distribution arrangement (48) for a combine harvester (10) comprises a first straw chopper (50) and a second straw chopper (52) arranged side by side and expelling the chopped straw laterally. A first chaff spreader (106) located in front of the first straw chopper (50) is driven by a first drive shaft (68) that also drives a first rotor (66) of the first straw chopper (50). A second chaff spreader (108) located in front of the second straw chopper (52) is driven by a second drive shaft (100) that also drives a second rotor (92) of the second straw chopper (52).
    Type: Application
    Filed: February 14, 2014
    Publication date: August 20, 2015
    Inventors: NORBERT POHLMANN, MARK L. PEARSON, JOEL D. FERRIS
  • Publication number: 20150087365
    Abstract: A hanger mount (206, 208, 210, 212) is provided for a reciprocating sieve assembly (106, 108) having a left side longitudinal member (300, 308), a right side longitudinal member (302, 310), a forward transverse member (304, 312), and a rearward transverse member (306, 314), wherein the hanger mount is a unitary body that has and defines a hanger connection (1000, 1100, 1200, 1300) that is configured to be coupled to a reciprocating hanger (110, 112); a first mounting surface (1006, 1010, 1106, 1110, 1206, 1210, 1306, 1310) that is configured to be fixed to one of the longitudinal members (300, 308, 302, 310); and a second mounting surface (1025, 1125, 1225, 1325) that is configured to be fixed to one of the transverse members (304, 312, 306, 314).
    Type: Application
    Filed: September 20, 2013
    Publication date: March 26, 2015
    Inventors: MARK L PEARSON, JEFFREY R WALTER, JAMES K ADAMSON
  • Publication number: 20150087366
    Abstract: A frame for reciprocating sieve assembly comprises a first side member (300, 308) that is elongate and extends longitudinally; a second side member (302, 310) that is elongate and extends longitudinally; a third side member (304, 312) that is elongate and extends transversely; a fourth side member (306, 314) that is elongate and extends transversely; a first hanger mount (206L, 210L) coupled to and extending between the first side member and the third side member; a second hanger mount (208L, 212L) coupled to and extending between the first side member and the fourth side member; a third hanger mount (206R, 210R) coupled to and extending between the second side member and the third side member; and a fourth hanger mount (208R, 212R) coupled to and extending between the second side member and the fourth side member; wherein the first side member, the second side member, the third side member, and the fourth side member are comprised essentially of an aluminum alloy; and wherein the first hanger mount, the seco
    Type: Application
    Filed: September 20, 2013
    Publication date: March 26, 2015
    Inventors: MARK L. PEARSON, JEFFREY R. WALTER, JAMES K. ADAMSON
  • Publication number: 20150087364
    Abstract: A sieve frame (118, 122) comprises two elongate members (300, 302, 308, 310) that are extruded.
    Type: Application
    Filed: September 20, 2013
    Publication date: March 26, 2015
    Applicant: DEERE & COMPANY
    Inventors: JAMES K. ADAMSON, MARK L. PEARSON, JEFFREY R. WALTER
  • Patent number: 8176716
    Abstract: A flexible reel (100) for an agricultural harvesting head (115) includes a plurality of reel sections (102, 104, 106) coupled together with flexible joints (210), wherein bats (206, 218) mounted on one reel section (102, 104, 106) overlap and interleave with the bats (206, 218) of an adjacent reel section (102, 104, 106).
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: May 15, 2012
    Assignee: Deere & Company
    Inventors: Bruce Alan Coers, James K. Adamson, Mark L Pearson, Janet R Willett
  • Publication number: 20120047867
    Abstract: A flexible reel (100) for an agricultural harvesting head (115) includes a plurality of reel sections (102, 104, 106) coupled together with flexible joints (210), wherein bats (206, 218) mounted on one reel section (102, 104, 106) overlap and interleave with the bats (206, 218) of an adjacent reel section (102, 104, 106).
    Type: Application
    Filed: August 31, 2010
    Publication date: March 1, 2012
    Inventors: Bruce Alan Coers, James K. Adamson, Mark L. Pearson, Janet R. Willett
  • Patent number: 8118651
    Abstract: A crop residue chopping and distributing arrangement has a straw chopper (60) and at least one impeller blower (100) arranged downstream of straw chopper (60), the impeller blower comprising throw paddles (102, 102?) that can be set in rotation about an axis of rotation (108). The throw paddles (102, 102?) extend in the axial direction only over a part of the axial dimension of impeller blower (100). Adjacent throw paddles (102, 102?) that are offset angularly in the circumferential direction are respectively arranged offset in the axial direction.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: February 21, 2012
    Assignee: Deere & Company
    Inventors: Dirk Weichholdt, Oliver Klein, Mark L. Pearson
  • Patent number: 8087224
    Abstract: A draper platform (100) for an agricultural combine that has a first frame section (104) with a first endless conveyor belt (132, 126) wrapped around a first inner roller (254, 258) and a first outer roller (251), the first outer roller (251) having a first axis of rotation; a second frame section (102, 106) supported on the first frame section (104) having a second endless conveyor belt (124, 130) wrapped around a second inner roller (249) and a second outer roller (251), the second inner roller (249) having a second axis of rotation; a first pivot joint (110, 114) coupling the first frame section (104) to the second frame section (102, 106), such that the second frame section (102, 106) pivots with respect to the first frame section (104) about an axis (108, 112) that extends generally parallel to the first outer roller (251) and the second inner roller (249), and in which the first pivot joint (110, 114) maintains a constant distance between the first outer roller (251), and the second inner roller (249) w
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: January 3, 2012
    Assignee: Deere & Company
    Inventors: Bruce A Coers, James K Adamson, Mark L Pearson, Ryan P Mackin, Janet R Willett
  • Patent number: 8062109
    Abstract: A combine harvester includes a dust suppressor arrangement including an air duct arrangement which is coupled between an enclosed zone, extending rearwardly from the discharge end of the feederhouse and above a transverse crop conveying arrangement, and a cleaner fan arrangement so that the fan arrangement draws dust-laden air through the duct arrangement from the zone and discharges the dust-laden air into the chaffer and sieve arrangement of the crop cleaning arrangement.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: November 22, 2011
    Assignee: Deere & Company
    Inventors: Mark L. Pearson, Ryan P Mackin
  • Patent number: 7992372
    Abstract: A draper platform (100) for mounting on the feederhouse of an agricultural combine, comprises a center frame section (104) configured to be supported on the feederhouse and supporting a first endless conveyor belt (132, 126); a wing frame section (102, 106) configured to be supported on a first side of the center frame section (104) and having a second endless conveyor belt (124, 130); and a first pivot joint (110, 114) coupling the center frame section (104) to the wing frame section (102, 106), the first pivot joint (110, 114) constraining the wing frame section (102, 106) to pivot with respect to the center frame section (104) about a generally horizontal and forwardly extending axis (108, 112), the first pivot joint comprising first, second, and third pivot couplings (308, 310, 334), wherein the first pivot coupling is a break-away coupling and is disposed forward of the second pivot coupling (310) and the third pivot coupling (334).
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: August 9, 2011
    Assignee: Deere & Company
    Inventors: Bruce A Coers, Andrew J Foerderer, James K Adamson, Mark L Pearson
  • Patent number: 7950989
    Abstract: A combine is provided, with a harvested crop processing arrangement with an outlet for straw that is associated with an ejection drum and an endless conveyor arranged between the ejection drum and a straw chopper. In its rear region, the endless conveyor can be pivoted about a horizontal axis extending transverse to the direction of operation between a chopper position and a swath depositing position.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: May 31, 2011
    Assignee: Deere & Company
    Inventors: Chad A. Dow, Mark L. Pearson, Joel D. Ferris, Dirk Weichholdt, Rico Priesnitz, Fritz K. Lauer, Oliver Klein
  • Publication number: 20110099964
    Abstract: A reciprocating knife assembly of an agricultural implement includes first and second elongate reciprocating knives disposed along a leading edge of an agricultural implement, the reciprocating knives being disposed end to end and extending colinearly for simultaneous reciprocation in opposite directions, the first and second reciprocating knives being supported for sliding movement on the agricultural implement in a lateral direction generally perpendicular to the direction of travel of the agricultural implement as it travels through an agricultural field harvesting crop, a first bell crank coupled to the first reciprocating knife to reciprocate said knife, a second bell crank coupled to the second reciprocating knife to reciprocate the second reciprocating knife, and a common drive coupled to the first and second bell cranks to drive both the first and second bell cranks in opposite directions simultaneously.
    Type: Application
    Filed: October 29, 2009
    Publication date: May 5, 2011
    Inventors: Bruce Alan Coers, Daniel James Burke, Ryan Patrick MacKin, James Kelley Adamson, Mark L. Pearson
  • Publication number: 20110045884
    Abstract: The invention relates to a crop residue chopping and distributing arrangement with a straw chopper (60) and at least one impeller blower (100) arranged downstream of straw chopper (60), the impeller blower comprising throw paddles (102, 102?) that can be set in rotation about an axis of rotation (108). The throw paddles (102, 102?) extend in the axial direction only over a part of the axial dimension of impeller blower (100). Adjacent throw paddles (102, 102?) that are offset angularly in the circumferential direction are respectively arranged offset in the axial direction.
    Type: Application
    Filed: July 21, 2010
    Publication date: February 24, 2011
    Inventors: Dirk Weichholdt, Oliver Klein, Mark L. Pearson