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).
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Patent number: 9750192Abstract: 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: GrantFiled: August 29, 2014Date of Patent: September 5, 2017Assignee: Deere & CompanyInventors: Ryan P. Mackin, Justin C. Freehill, Mark L. Pearson, Jared R. Suster
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Patent number: 9622409Abstract: 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: GrantFiled: October 29, 2009Date of Patent: April 18, 2017Assignee: Deere & CompanyInventors: Bruce Alan Coers, Daniel James Burke, Ryan Patrick Mackin, James Kelley Adamson, Mark L. Pearson
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Patent number: 9345198Abstract: 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: GrantFiled: February 14, 2014Date of Patent: May 24, 2016Assignee: DEERE & COMPANYInventors: Norbert Pohlmann, Mark L Pearson, Joel D Ferris
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Publication number: 20160057928Abstract: 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: ApplicationFiled: August 29, 2014Publication date: March 3, 2016Inventors: RYAN P. MACKIN, JUSTIN C. FREEHILL, MARK L. PEARSON, JARED R. SUSTER
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Patent number: 9258945Abstract: 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: GrantFiled: September 20, 2013Date of Patent: February 16, 2016Assignee: DEERE & COMPANYInventors: Mark L Pearson, Jeffrey R Walter, James K Adamson
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Patent number: 9226450Abstract: 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 secoType: GrantFiled: September 20, 2013Date of Patent: January 5, 2016Inventors: Mark L Pearson, Jeffrey R Walter, James K Adamson
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Patent number: 9198359Abstract: 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: GrantFiled: September 20, 2013Date of Patent: December 1, 2015Inventors: James K Adamson, Mark L Pearson, Jeffrey R Walter
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Publication number: 20150230408Abstract: 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: ApplicationFiled: February 14, 2014Publication date: August 20, 2015Inventors: NORBERT POHLMANN, MARK L. PEARSON, JOEL D. FERRIS
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Publication number: 20150087365Abstract: 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: ApplicationFiled: September 20, 2013Publication date: March 26, 2015Inventors: MARK L PEARSON, JEFFREY R WALTER, JAMES K ADAMSON
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Publication number: 20150087366Abstract: 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 secoType: ApplicationFiled: September 20, 2013Publication date: March 26, 2015Inventors: MARK L. PEARSON, JEFFREY R. WALTER, JAMES K. ADAMSON
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Publication number: 20150087364Abstract: A sieve frame (118, 122) comprises two elongate members (300, 302, 308, 310) that are extruded.Type: ApplicationFiled: September 20, 2013Publication date: March 26, 2015Applicant: DEERE & COMPANYInventors: JAMES K. ADAMSON, MARK L. PEARSON, JEFFREY R. WALTER
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Patent number: 8176716Abstract: 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: GrantFiled: August 31, 2010Date of Patent: May 15, 2012Assignee: Deere & CompanyInventors: Bruce Alan Coers, James K. Adamson, Mark L Pearson, Janet R Willett
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Publication number: 20120047867Abstract: 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: ApplicationFiled: August 31, 2010Publication date: March 1, 2012Inventors: Bruce Alan Coers, James K. Adamson, Mark L. Pearson, Janet R. Willett
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Patent number: 8118651Abstract: 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: GrantFiled: July 21, 2010Date of Patent: February 21, 2012Assignee: Deere & CompanyInventors: Dirk Weichholdt, Oliver Klein, Mark L. Pearson
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Patent number: 8087224Abstract: 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) wType: GrantFiled: September 16, 2010Date of Patent: January 3, 2012Assignee: Deere & CompanyInventors: Bruce A Coers, James K Adamson, Mark L Pearson, Ryan P Mackin, Janet R Willett
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Patent number: 8062109Abstract: 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: GrantFiled: August 27, 2010Date of Patent: November 22, 2011Assignee: Deere & CompanyInventors: Mark L. Pearson, Ryan P Mackin
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Patent number: 7992372Abstract: 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: GrantFiled: September 16, 2010Date of Patent: August 9, 2011Assignee: Deere & CompanyInventors: Bruce A Coers, Andrew J Foerderer, James K Adamson, Mark L Pearson
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Patent number: 7950989Abstract: 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: GrantFiled: August 8, 2008Date of Patent: May 31, 2011Assignee: Deere & CompanyInventors: Chad A. Dow, Mark L. Pearson, Joel D. Ferris, Dirk Weichholdt, Rico Priesnitz, Fritz K. Lauer, Oliver Klein
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Publication number: 20110099964Abstract: 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: ApplicationFiled: October 29, 2009Publication date: May 5, 2011Inventors: Bruce Alan Coers, Daniel James Burke, Ryan Patrick MacKin, James Kelley Adamson, Mark L. Pearson
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Publication number: 20110045884Abstract: 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: ApplicationFiled: July 21, 2010Publication date: February 24, 2011Inventors: Dirk Weichholdt, Oliver Klein, Mark L. Pearson