Patents by Inventor Jason Knuth
Jason Knuth 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: 9297140Abstract: A mining shovel includes a base for supporting the shovel on a support surface, a boom, an elongated member movably coupled to the boom, and a support member. The boom includes a first end pivotably coupled to the base and a second end positioned away from the base, the boom being pivotable about a boom pivot axis extending transversely to the boom proximate the first end. The elongated member is pivotable about a shaft positioned between the first end and the second end of the boom. The support member biases the boom against pivoting movement about the boom pivot axis, and the support member extends between the base and the boom.Type: GrantFiled: September 20, 2013Date of Patent: March 29, 2016Assignee: Harnischfeger Technologies, Inc.Inventors: William J. Hren, James M. Hutsick, Patrick M. Severson, Samuel F. Haworth, Jason Knuth
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Patent number: 9217234Abstract: A reel system includes a reel having a rotational axis, the reel including a plurality of ledges spaced radially from the rotational axis, the ledges defining a stepped configuration along an interior surface of the reel. The reel system also includes a first clamp having a first width and a second clamp having a second width greater than the first width, wherein the first clamp and the second clamp engage the plurality of ledges as the reel is rotated.Type: GrantFiled: March 7, 2014Date of Patent: December 22, 2015Assignee: Harnischfeger Technologies, Inc.Inventors: Bernard Pusheck, Jason Knuth
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Publication number: 20150240444Abstract: A mining shovel including a base, a boom, a first member moveably coupled to the boom, a bucket, and a pivot actuator. The base includes a hoist drum for paying out and reeling in a hoist rope. The boom includes a first end coupled to the base and a second end opposite the first end. The hoist rope extends over the second end of the boom. The first member includes a first end and a second end. The bucket is pivotably coupled to the second end of the first member. The pivot actuator moves the bucket relative to the second end of the first member, and the pivot actuator includes a first end coupled to the first member.Type: ApplicationFiled: April 28, 2015Publication date: August 27, 2015Inventor: Jason Knuth
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Patent number: 9115581Abstract: Controlling a digging operation of an industrial machine. The industrial machine includes a dipper, a crowd motor, and a hoist motor. The control includes determining a torque associated with the crowd motor and a torque associated with the hoist motor and determining a dig force vector for the dipper based on the torque associated with the crowd motor and the torque associated with the hoist motor. The dig force vector includes a dig force angle and a dig force magnitude. The method also includes determining a value for the dig force angle of the dig force vector, and controlling, using a processor, the dig force magnitude based on the determined value for the dig force angle. The dig force magnitude is controlled by controlling at least one of the torque associated with the crowd motor and the torque associated with the hoist motor.Type: GrantFiled: July 9, 2014Date of Patent: August 25, 2015Assignee: Harnischfeger Technologies, Inc.Inventors: Jason Knuth, Wesley P. Taylor, Mooyoung Lee
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Publication number: 20150191891Abstract: A mining shovel adapted to dig a bank of material includes a boom having an end, a hoist rope extending over the end of the boom, an elongated member movably coupled to the boom, a dipper for engaging the bank of material, a bail assembly, and a pitch brace. The member includes a first end and a second end. The dipper is coupled to the second end of the member and includes a digging edge. The bail assembly includes a first end pivotably coupled to the dipper and a second end coupled to the hoist rope passing over the boom. The pitch brace includes a first end pivotably coupled to the bail assembly and a second end pivotably coupled to the member.Type: ApplicationFiled: March 23, 2015Publication date: July 9, 2015Inventor: Jason Knuth
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Publication number: 20150176240Abstract: An industrial machine and a method of controlling an industrial machine, the industrial machine including a dipper supported by a dipper handle. The method may include determining an operating phase of the industrial machine, in a first operating phase of the industrial machine, limiting, with at least one controller, a reach of the dipper handle, and in a second operating phase of the industrial machine, enabling, with the at least one controller, an extended reach of the dipper handle greater than the reach in the first operating phase. The industrial machine may include at least one controller configured to determine an operating phase of the industrial machine, in a first operating phase of the industrial machine, limit a reach of the dipper handle, and, in a second operating phase of the industrial machine, enable an extended reach of the dipper handle greater than the reach in the first operating phase.Type: ApplicationFiled: February 26, 2015Publication date: June 25, 2015Inventors: Michael J. Linstroth, Joseph J. Colwell, Mooyoung Lee, Matthew I. Loew, Jason Knuth, Peter Gizewski, JR., Justin Zunker
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Publication number: 20150147146Abstract: A rope shovel includes a wristing dipper arrangement. The shovel comprises a base, a boom extending from the base, the boom having a first end attached to the base and a second end remote from the base. The shovel further comprises a pulling mechanism mounted on the second end of the boom and a boom attachment pivotally mounted on the boom and attached to a dipper, the boom attachment including an actuator coupled to the dipper.Type: ApplicationFiled: February 2, 2015Publication date: May 28, 2015Inventors: William J. Hren, Jason Knuth
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Patent number: 9015969Abstract: A mining shovel including a base, a boom, a first member moveably coupled to the boom, a bucket, and a pivot actuator. The base includes a hoist drum for paying out and reeling in a hoist rope. The boom includes a first end coupled to the base and a second end opposite the first end. The hoist rope extends over the second end of the boom. The first member includes a first end and a second end. The bucket is pivotably coupled to the second end of the first member. The pivot actuator moves the bucket relative to the second end of the first member, and the pivot actuator includes a first end coupled to the first member.Type: GrantFiled: January 31, 2013Date of Patent: April 28, 2015Assignee: Harnischfeger Technologies, Inc.Inventor: Jason Knuth
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Patent number: 8984779Abstract: A mining shovel adapted to dig a bank of material includes a boom having an end, a hoist rope extending over the end of the boom, an elongated member movably coupled to the boom, a dipper for engaging the bank of material, a bail assembly, and a pitch brace. The member includes a first end and a second end. The dipper is coupled to the second end of the member and includes a digging edge. The bail assembly includes a first end pivotably coupled to the dipper and a second end coupled to the hoist rope passing over the boom. The pitch brace includes a first end pivotably coupled to the bail assembly and a second end pivotably coupled to the member.Type: GrantFiled: January 31, 2013Date of Patent: March 24, 2015Assignee: Harnischfeger Technologies, Inc.Inventor: Jason Knuth
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Patent number: 8972120Abstract: An industrial machine and a method of controlling an industrial machine, the industrial machine including a dipper supported by a dipper handle. The method may include determining an operating phase of the industrial machine, in a first operating phase of the industrial machine, limiting, with at least one controller, a reach of the dipper handle, and in a second operating phase of the industrial machine, enabling, with the at least one controller, an extended reach of the dipper handle greater than the reach in the first operating phase. The industrial machine may include at least one controller configured to determine an operating phase of the industrial machine, in a first operating phase of the industrial machine, limit a reach of the dipper handle, and, in a second operating phase of the industrial machine, enable an extended reach of the dipper handle greater than the reach in the first operating phase.Type: GrantFiled: March 15, 2013Date of Patent: March 3, 2015Assignee: Harnischfeger Technologies, Inc.Inventors: Michael Linstroth, Joseph J. Colwell, Mooyoung Lee, Matthew I. Loew, Jason Knuth, Peter Gizewski, Jr., Justin Zunker
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Publication number: 20150019087Abstract: Controlling a digging operation of an industrial machine. The industrial machine includes a dipper, a crowd motor, and a hoist motor. The control includes determining a torque associated with the crowd motor and a torque associated with the hoist motor and determining a dig force vector for the dipper based on the torque associated with the crowd motor and the torque associated with the hoist motor. The dig force vector includes a dig force angle and a dig force magnitude. The method also includes determining a value for the dig force angle of the dig force vector, and controlling, using a processor, the dig force magnitude based on the determined value for the dig force angle. The dig force magnitude is controlled by controlling at least one of the torque associated with the crowd motor and the torque associated with the hoist motor.Type: ApplicationFiled: July 9, 2014Publication date: January 15, 2015Inventors: Jason Knuth, Wesley P. Taylor, Mooyoung Lee
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Publication number: 20140348459Abstract: A roller circle assembly for heavy machinery includes an upper circular rail and a lower circular rail concentrically arranged about a central axis, and tapered rollers between the upper and lower rail. Each tapered roller includes a flange having an angled and convex flange contact surface that contacts the lower rail. The lower rail and/or the upper rail can include an angled surface configured for contact with the flange contact surface. The geometry of the rollers and the lower rail are configured to reduce the stresses applied to the rollers and lower rail due to contact between the flange contact surface and the angled surface.Type: ApplicationFiled: August 8, 2014Publication date: November 27, 2014Inventor: Jason Knuth
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Publication number: 20140271075Abstract: A reel system includes a reel having a rotational axis, the reel including a plurality of ledges spaced radially from the rotational axis, the ledges defining a stepped configuration along an interior surface of the reel. The reel system also includes a first clamp having a first width and a second clamp having a second width greater than the first width, wherein the first clamp and the second clamp engage the plurality of ledges as the reel is rotated.Type: ApplicationFiled: March 7, 2014Publication date: September 18, 2014Applicant: Harnischfeger Technologies, Inc.Inventors: Bernard Pusheck, Jason Knuth
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Publication number: 20140086716Abstract: An industrial machine includes a frame supporting a boom, an elongated member movably coupled to the boom, an attachment, a conduit, and a reel supporting at least a portion of the conduit. The boom includes a first end coupled to the frame and a second end opposite the first end. The elongated member is movably coupled to the boom and includes a first end and a second end. The attachment is coupled to the second end of the elongated member. The conduit extends between the frame and the attachment. The reel is rotatably supported on a support shaft. The reel rotates about an axis of rotation to reel in and pay out the conduit as the elongated member moves relative to the boom.Type: ApplicationFiled: September 20, 2013Publication date: March 27, 2014Applicant: Harnischfeger Technologies, Inc.Inventor: Jason Knuth
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Publication number: 20140037414Abstract: A mining shovel includes a digging assembly having a generally V-shaped boom including a lower connection point for attachment to the mining shovel. A first portion of the boom extends generally upwardly from the lower connection point, and a second portion of the boom is angled with respect to and extends upwardly and forwardly from the first portion. The second portion includes a distal end defining a sheave support, and a pivot element is positioned generally at a connection area between the first portion and the second portion. The digging assembly also includes a boom attachment having a first end that is pivotally supported by the pivot element and a second end that is supported by the sheave support.Type: ApplicationFiled: September 20, 2013Publication date: February 6, 2014Inventors: William J. Hren, James M. Hutsick, Patrick M. Severson, Samuel F. Haworth, Jason Knuth
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Patent number: 8573852Abstract: A heavy earth-moving machine having a lower structure and an upper structure rotatably supported by the lower structure for rotation about an axis. A substantially circular lower rail is mounted on the lower structure and includes an inclined lower surface. A substantially circular upper rail is mounted on the upper structure and includes a substantially planar upper surface that is oriented substantially perpendicular to the axis. Tapered rollers support the upper rail above the lower rail for rotation of the upper rail about the axis. Each roller engages both the upper surface and the lower surface and defines and rotates about a roller axis that intersects the axis at a non-perpendicular angle.Type: GrantFiled: June 17, 2011Date of Patent: November 5, 2013Assignee: Harnischfeger Technologies, Inc.Inventor: Jason Knuth
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Publication number: 20130280021Abstract: An earthmoving machine includes a frame, a boom, an elongated member, an attachment, a conduit, and a reel. The frame supports a fluid source. The boom includes a first end coupled to the frame and a second end opposite the first end. The elongated member is movably coupled to the boom and includes a first end and a second end. The attachment is coupled to the second end of the elongated member. The conduit is in fluid communication with the fluid source and conveys fluid between the fluid source and the attachment. The reel supports at least a portion of the conduit. The reel is rotatable to reel in and pay out the conduit as the elongated member moves relative to the boom.Type: ApplicationFiled: April 19, 2013Publication date: October 24, 2013Inventor: Jason Knuth
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Publication number: 20130261904Abstract: An industrial machine and a method of controlling an industrial machine, the industrial machine including a dipper supported by a dipper handle. The method may include determining an operating phase of the industrial machine, in a first operating phase of the industrial machine, limiting, with at least one controller, a reach of the dipper handle, and in a second operating phase of the industrial machine, enabling, with the at least one controller, an extended reach of the dipper handle greater than the reach in the first operating phase. The industrial machine may include at least one controller configured to determine an operating phase of the industrial machine, in a first operating phase of the industrial machine, limit a reach of the dipper handle, and, in a second operating phase of the industrial machine, enable an extended reach of the dipper handle greater than the reach in the first operating phase.Type: ApplicationFiled: March 15, 2013Publication date: October 3, 2013Inventors: Michael Linstroth, Joseph J. Colwell, Mooyoung Lee, Matthew I. Loew, Jason Knuth, Peter Gizewski, JR., Justin Zunker
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Publication number: 20130228398Abstract: An automatic lubrication system includes a reservoir configured to be coupled to an industrial machine component, a lubricant line coupled to the reservoir, and a mechanism coupled to the reservoir, the mechanism configured to exact an amount of lubricant from the reservoir based solely on movement of the industrial machine component.Type: ApplicationFiled: March 1, 2013Publication date: September 5, 2013Applicant: HARNISCHFEGER TECHNOLOGIES, INC.Inventors: Nicholas R. Voelz, Joseph Colwell, Jason Knuth
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Publication number: 20120321239Abstract: A heavy earth-moving machine having a lower structure and an upper structure rotatably supported by the lower structure for rotation about an axis. A substantially circular lower rail is mounted on the lower structure and includes an inclined lower surface. A substantially circular upper rail is mounted on the upper structure and includes a substantially planar upper surface that is oriented substantially perpendicular to the axis. Tapered rollers support the upper rail above the lower rail for rotation of the upper rail about the axis. Each roller engages both the upper surface and the lower surface and defines and rotates about a roller axis that intersects the axis at a non-perpendicular angle.Type: ApplicationFiled: June 17, 2011Publication date: December 20, 2012Inventor: Jason Knuth