Patents by Inventor Patrick J. Mulligan
Patrick J. Mulligan 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: 11926988Abstract: A system and method for automatically adjusting the pitch of a work implement attached to a work vehicle, wherein the work implement has adjustable wings. The system and method include moving materials with a blade having an adjustable wing located at one end of a center portion of the blade. blade operatively connected to the work vehicle is positionable with respect to the work vehicle in response to an operator command. A commanded position of the blade is identified based on a blade positioning signal received from the operator command transmitted by an operator control device. An inclined position of the adjustable wing with respect to the center portion of the blade is identified. A pitch of the blade with respect to the work vehicle based is automatically adjusted based on the identified commanded position of the blade and the identified inclined position of the adjustable wing.Type: GrantFiled: September 22, 2020Date of Patent: March 12, 2024Assignee: DEERE & COMPANYInventors: Giovanni A. Wuisan, Jeffrey M. Stenoish, Patrick J. Mulligan, Michael R. Tigges, Ryan R. Neilson, Nathan J. Horstman, Cory J. Brant, Timothy M. Post
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Patent number: 11679826Abstract: In accordance with the present disclosure, a track chain assembly for a work vehicle may comprise of a link set, a unitary link, and a bushing assembly. The link set may include a first link and a second link. The unitary link may include a single link. The bushing assembly may couple the link set and the unitary link for relative rotation between the link set and the unitary link.Type: GrantFiled: October 2, 2020Date of Patent: June 20, 2023Assignee: Deere & CompanyInventor: Patrick J. Mulligan
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Patent number: 11339553Abstract: A work machine includes a machine frame and a cab supported from the machine frame. At least one pivotal connection between the cab and the machine frame allows the cab to be tilted relative to the machine frame. The pivotal connection includes first and second clevises fixed to the machine frame, the first and second clevises including first and second aligned pin openings, respectively. A pivot pin is received through the pin openings so that the pivot pin is pivotable relative to the machine frame. A viscous mount includes a housing portion, a plunger portion, and a flexible element connecting the plunger portion to the housing portion. The housing portion is attached to the cab, and the plunger portion is attached to the pivot pin between the first and second clevises such that the cab and the viscous mount are pivotable with the pivot pin relative to the machine frame.Type: GrantFiled: April 23, 2020Date of Patent: May 24, 2022Assignee: Deere & CompanyInventors: Patrick J. Mulligan, Michael R. Tigges, Joseph F. Tilp, Trisha L. Oyen
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Publication number: 20220105999Abstract: In accordance with the present disclosure, a track chain assembly for a work vehicle may comprise of a link set, a unitary link, and a bushing assembly. The link set may include a first link and a second link. The unitary link may include a single link. The bushing assembly may couple the link set and the unitary link for relative rotation between the link set and the unitary link.Type: ApplicationFiled: October 2, 2020Publication date: April 7, 2022Inventor: PATRICK J. MULLIGAN
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Publication number: 20220090349Abstract: A system and method for automatically adjusting the pitch of a work implement attached to a work vehicle, wherein the work implement has adjustable wings. The system and method include moving materials with a blade having an adjustable wing located at one end of a center portion of the blade, wherein the blade is operatively connected to the work vehicle and is positionable with respect to the work vehicle in response to an operator command. A commanded position of the blade is identified based on a blade positioning signal received from the operator command transmitted by an operator control device. An inclined position of the adjustable wing with respect to the center portion of the blade is identified. A pitch of the blade with respect to the work vehicle based is automatically adjusted based on the identified commanded position of the blade and the identified inclined position of the adjustable wing.Type: ApplicationFiled: September 22, 2020Publication date: March 24, 2022Inventors: Giovanni A. Wuisan, Jeffrey M. Stenoish, Patrick J. Mulligan, Michael R. Tigges, Ryan R. Neilson, Nathan J. Horstman, Cory J. Brant, Timothy M. Post
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Publication number: 20220090353Abstract: A blade for a work machine includes a body having a main portion including a top edge, a bottom edge, a first lateral edge and a second lateral edge. A wing portion is pivotally coupled to the body about a pivot axis. The first lateral edge includes a curved edge extending outwardly towards the wing portion, where the curved edge forms an apex between the top edge and the bottom edge. A first axis is defined through a first intersection point and a second intersection point, the first intersection point located at an intersection of the top edge and the first lateral edge and the second intersection point located at an intersection of the bottom edge and the first lateral edge. A second axis is defined through the apex and is parallel to the first axis. The pivot axis is located between the first axis and the second axis.Type: ApplicationFiled: September 24, 2021Publication date: March 24, 2022Inventors: Jeffrey M. Stenoish, Giovanni A. Wuisan, Patrick J. Mulligan, Michael R. Tigges
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Publication number: 20220090350Abstract: A blade for a work machine includes a body having a main portion including a top edge, a bottom edge, a first lateral edge and a second lateral edge. A wing portion is pivotally coupled to the body about a pivot axis. The first lateral edge includes a curved edge extending outwardly towards the wing portion, where the curved edge forms an apex between the top edge and the bottom edge. A first axis is defined through a first intersection point and a second intersection point, the first intersection point located at an intersection of the top edge and the first lateral edge and the second intersection point located at an intersection of the bottom edge and the first lateral edge. A second axis is defined through the apex and is parallel to the first axis. The pivot axis is located between the first axis and the second axis.Type: ApplicationFiled: January 29, 2021Publication date: March 24, 2022Inventors: Patrick J. Mulligan, Giovanni A. Wuisan, Michael R. Tigges, Ryan R. Neilson, Nathan J. Horstman, Cory J. Brant, Timothy M. Post, Prasad Nigdikar, Antony R. Maria
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Publication number: 20210332556Abstract: A work machine includes a machine frame and a cab supported from the machine frame. At least one pivotal connection between the cab and the machine frame allows the cab to be tilted relative to the machine frame. The pivotal connection includes first and second devises fixed to the machine frame, the first and second devises including first and second aligned pin openings, respectively. A pivot pin is received through the pin openings so that the pivot pin is pivotable relative to the machine frame. A viscous mount includes a housing portion, a plunger portion, and a flexible element connecting the plunger portion to the housing portion. The housing portion is attached to the cab, and the plunger portion is attached to the pivot pin between the first and second devises such that the cab and the viscous mount are pivotable with the pivot pin relative to the machine frame.Type: ApplicationFiled: April 23, 2020Publication date: October 28, 2021Inventors: Patrick J. Mulligan, Michael R. Tigges, Joseph F. Tilp, Trisha L. Oyen
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Patent number: 9327783Abstract: A cartridge joint comprises a pin, a first collar circumferentially surrounding the pin and fixed thereto, a second collar circumferentially surrounding the pin and fixed thereto, and a bushing positioned axially between the first collar and the second collar and circumferentially surrounding the pin for relative rotation between the bushing and the pin. The cartridge joint has an annular first seal unit and an annular second seal unit. A method of assembling a cartridge joint is disclosed.Type: GrantFiled: May 7, 2013Date of Patent: May 3, 2016Assignee: DEERE & COMPANYInventor: Patrick J. Mulligan
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Patent number: 9090296Abstract: The present disclosure provides a pivot joint about which a track frame pivots relative to a main frame of a work machine. The pivot joint includes a housing having a first cover portion, a second cover portion, and at least one load-bearing rib. The pivot joint also includes a holder configured to be coupled to the main frame and includes a first leg and a second leg. An upper body and a lower body are coupled to one another and are adapted to be coupled to the track frame. The pivot joint further includes a plurality of plates stacked on top of one another. The plurality of plates is positioned between the first leg and second leg of the holder and between the upper body and lower body. The plurality of plates defines a pivot axis of the pivot joint.Type: GrantFiled: August 29, 2013Date of Patent: July 28, 2015Assignee: Deere & CompanyInventor: Patrick J. Mulligan
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Publication number: 20150060157Abstract: The present disclosure provides a pivot joint about which a track frame pivots relative to a main frame of a work machine. The pivot joint includes a housing having a first cover portion, a second cover portion, and at least one load-bearing rib. The pivot joint also includes a holder configured to be coupled to the main frame and includes a first leg and a second leg. An upper body and a lower body are coupled to one another and are adapted to be coupled to the track frame. The pivot joint further includes a plurality of plates stacked on top of one another. The plurality of plates is positioned between the first leg and second leg of the holder and between the upper body and lower body. The plurality of plates defines a pivot axis of the pivot joint.Type: ApplicationFiled: August 29, 2013Publication date: March 5, 2015Inventor: Patrick J. Mulligan
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Patent number: 8915556Abstract: A track chain assembly for a crawler type work vehicle includes a plurality of links pivotally connected together at respective link joints. Each link joint includes a bushing, a pin, and at least one elastomeric bearing. Each elastomeric bearing includes an inside diameter (ID) engaging the pin and an outside diameter (OD) engaging a link and/or bushing. Each elastomeric bearing includes a plurality of alternating metal layers and elastomer layers.Type: GrantFiled: October 17, 2011Date of Patent: December 23, 2014Assignee: Deere & CompanyInventors: Timothy D. Wodrich, Patrick J. Mulligan, James G. Merten
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Patent number: 8448735Abstract: An operator cab for a work vehicle is releasably mounted to a frame of the vehicle via a cab support pin and a flexible mount during vehicle work operations and rotationally attached via the cab support pin for servicing working parts of the work vehicle. A locking cylinder having an end pivotally connected to the cab allows movement of the pivotal connection relative to the cylinder, i.e., allows the cab to move relative to the frame as the flexible mount allows, during work operations. When the cylinder lifts the cab for servicing, movement of the pivotal connection relative to the cylinder is restricted.Type: GrantFiled: October 31, 2011Date of Patent: May 28, 2013Assignee: Deere & CompanyInventors: Erich C. Vierkant, Patrick J. Mulligan, Matthew Davisdon
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Publication number: 20130105236Abstract: An operator cab for a work vehicle is releaseably mounted to a frame of the vehicle via a cab support pin and a flexible mount during vehicle work operations and rotationally attached via the cab support pin for servicing working parts of the work vehicle. A locking cylinder having an end pivotally connected to the cab allows movement of the pivotal connection relative to the cylinder, i.e., allows the cab to move relative to the frame as the flexible mount allows, during work operations. When the cylinder lifts the cab for servicing, movement of the pivotal connection relative to the cylinder is restricted.Type: ApplicationFiled: October 31, 2011Publication date: May 2, 2013Inventors: ERICH C. VIERKANT, PATRICK J. MULLIGAN, MATHEW DAVISDON
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Publication number: 20130092459Abstract: A track chain assembly for a crawler type work vehicle includes a plurality of links pivotally connected together at respective link joints. Each link joint includes a bushing, a pin, and at least one elastomeric bearing. Each elastomeric bearing includes an inside diameter (ID) engaging the pin and an outside diameter (OD) engaging a link and/or bushing. Each elastomeric bearing includes a plurality of alternating metal layers and elastomer layers.Type: ApplicationFiled: October 17, 2011Publication date: April 18, 2013Inventors: Timothy D. Wodrich, Patrick J. Mulligan, James G. Merten
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Patent number: 8272701Abstract: A track chain link for use in an endless track chain has a longitudinal (or “x”) dimension and a lateral (or “y”) dimension. The track chain link has an x-y plane of symmetry about which the track chain link is symmetric.Type: GrantFiled: February 18, 2010Date of Patent: September 25, 2012Assignee: Deere & CompanyInventor: Patrick J. Mulligan
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Patent number: 8070241Abstract: A track chain joint for an endless track chain of a track-type vehicle is configured to engage first and second sprockets of a drive wheel of the track-type vehicle. Exemplarily, the joint has a pin, a bushing on the pin, first and second collars positioned respectively axially outboard of the bushing on the pin, and first and second drive caps positioned respectively axially outboard of the first and second collars and fixed to the pin, the first and second drive caps configured to engage respectively the first and second sprockets. Such components may be embodied in a cartridge.Type: GrantFiled: August 27, 2009Date of Patent: December 6, 2011Assignee: Deere & CompanyInventor: Patrick J. Mulligan
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Publication number: 20110198917Abstract: A track chain link for use in an endless track chain has a longitudinal (or “x”) dimension and a lateral (or “y”) dimension. The track chain link has an x-y plane of symmetry about which the track chain link is symmetric.Type: ApplicationFiled: February 18, 2010Publication date: August 18, 2011Inventor: Patrick J. Mulligan
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Patent number: 7914086Abstract: An idler for use with an endless track of a track-type vehicle comprises a wheel and a rim. The rim comprises fasteners and replaceable wear pads releasably mounted to and positioned about the periphery of the wheel using the fasteners.Type: GrantFiled: October 24, 2008Date of Patent: March 29, 2011Assignee: Deere & CompanyInventor: Patrick J. Mulligan
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Publication number: 20110049975Abstract: A track chain joint for an endless track chain of a track-type vehicle is configured to engage first and second sprockets of a drive wheel of the track-type vehicle.Type: ApplicationFiled: August 27, 2009Publication date: March 3, 2011Inventor: Patrick J. Mulligan