Patents by Inventor Nathan R. BJERKE
Nathan R. BJERKE 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: 11781293Abstract: A work tool or a wear member includes a working portion or a wear portion, and a shank extending from the working portion or the wear portion, defining a longitudinal axis, and a first lock receiving groove that defines an axis of rotation that is perpendicular to the longitudinal axis of the shank.Type: GrantFiled: July 6, 2022Date of Patent: October 10, 2023Assignee: Caterpillar Inc.Inventors: Nathan R. Bjerke, Thomas Marshall Congdon
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Publication number: 20230287662Abstract: A work tool or a wear member includes a working portion or a wear portion, a hollow portion that further defines a lock receiving aperture defining an axis of rotation, a radial direction, and a circumferential direction. The axis of rotation is transverse to the direction of assembly of work tool or wear member as the member is slid over a nose portion of a tool adaptor or the like. The axis of rotation is spaced away from the direction the pin receiving thru-hole extends a predetermined distance measured along the direction of assembly.Type: ApplicationFiled: May 10, 2023Publication date: September 14, 2023Applicant: Caterpillar Inc.Inventor: Nathan R. Bjerke
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Patent number: 11746507Abstract: A cutter bit for a work tool on a machine includes a leading end, conical-shaped tip portion, a rearward, frustoconical-shaped tip portion extending axially rearwardly from the leading end, conical-shaped tip portion, an annular ledge extending radially outwardly from a trailing edge of the rearward, frustoconical-shaped tip portion, a frustoconical-shaped body portion extending axially rearwardly from an outer circumferential edge of the annular ledge, a cylindrical collar portion extending axially rearwardly from a trailing edge of the frustoconical-shaped body portion, and a trailing end, cylindrical-shaped shank portion extending axially rearwardly from the cylindrical collar portion. The cutter bit may also include a plurality of circumferentially-spaced ribs projecting radially outwardly from an outer peripheral surface of at least one of the leading end, conical-shaped tip portion, the rearward, frustoconical-shaped tip portion, or the frustoconical-shaped body portion.Type: GrantFiled: June 22, 2021Date of Patent: September 5, 2023Assignee: Caterpillar Inc.Inventors: Thomas Marshall Congdon, David Bruno Parzynski, Jr., Nathan R. Bjerke
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Publication number: 20230272602Abstract: A work tool or a wear member includes a working portion or a wear portion, a hollow portion that further defines a lock receiving aperture defining an axis of rotation, a radial direction, and a circumferential direction. The axis of rotation is transverse to the direction of assembly of work tool or wear member as the member is slid over a nose portion of a tool adaptor or the like. The axis of rotation is spaced away from the direction the pin receiving thru-hole extends a predetermined distance measured along the direction of assembly.Type: ApplicationFiled: May 10, 2023Publication date: August 31, 2023Applicant: Caterpillar Inc.Inventor: Nathan R. Bjerke
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Patent number: 11697923Abstract: A work tool or a wear member includes a working portion or a wear portion, a hollow portion that further defines a lock receiving aperture defining an axis of rotation, a radial direction, and a circumferential direction. The axis of rotation is transverse to the direction of assembly of work tool or wear member as the member is slid over a nose portion of a tool adaptor or the like. The axis of rotation is spaced away from the direction the pin receiving thru-hole extends a predetermined distance measured along the direction of assembly.Type: GrantFiled: July 6, 2020Date of Patent: July 11, 2023Assignee: Caterpillar Inc.Inventor: Nathan R. Bjerke
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Publication number: 20220389690Abstract: A corner guard includes a rear attachment portion defining a first fastener receiving void, a rear edge that is disposed along the direction of material flow, and a forward ramp portion that extends forwardly from the rear attachment along the direction of material flow, and vertically downwardly forming a front wear edge. The corner guard also includes an outer lateral side, and an inner lateral side. The outer lateral side is flared laterally, defining an outer lateral side extremity that is disposed along the direction of material flow adjacent to the front wear edge, forming a flared portion.Type: ApplicationFiled: June 3, 2021Publication date: December 8, 2022Applicant: Caterpillar Inc.Inventors: Nathan R. Bjerke, Michael Tancin, Eric Thomas Sinn
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Publication number: 20220341133Abstract: A work tool or a wear member includes a working portion or a wear portion, and a shank extending from the working portion or the wear portion, defining a longitudinal axis, and a first lock receiving groove that defines an axis of rotation that is perpendicular to the longitudinal axis of the shank.Type: ApplicationFiled: July 6, 2022Publication date: October 27, 2022Applicant: Caterpillar Inc.Inventors: Nathan R. Bjerke, Thomas Marshall Congdon
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Patent number: 11414842Abstract: A work tool or a wear member includes a working portion or a wear portion, and a shank extending from the working portion or the wear portion, defining a longitudinal axis, and a first lock receiving groove that defines an axis of rotation that is perpendicular to the longitudinal axis of the shank.Type: GrantFiled: July 6, 2020Date of Patent: August 16, 2022Assignee: Caterpillar Inc.Inventors: Nathan R. Bjerke, Thomas Marshall Congdon
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Patent number: 11365529Abstract: A bolt retention assembly defines a horizontal direction, a vertical direction, and a lateral direction that is perpendicular to the vertical direction and the horizontal direction. The bolt retention assembly includes an adapter including a forward abutment portion and a rearward horizontally oriented saddle portion. The adapter may also define an interior aperture. The bolt retention assembly further includes a slide including a forward threaded portion configured to fit within the interior aperture of the adapter, and a rearward horizontally oriented pronged portion configured to pass through the rearward horizontally oriented saddle portion of the adapter.Type: GrantFiled: January 23, 2020Date of Patent: June 21, 2022Assignee: Caterpillar Inc.Inventor: Nathan R. Bjerke
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Publication number: 20220002983Abstract: A retainer for attaching a work member or a wear member to an implement of a machine includes a wavy annular body defining a central axis, and at least one detent. A tab extends axially away from the wavy annular body.Type: ApplicationFiled: June 7, 2021Publication date: January 6, 2022Applicant: Caterpillar Inc.Inventor: Nathan R. Bjerke
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Publication number: 20220002980Abstract: A work tool or a wear member includes a working portion or a wear portion, and a shank extending from the working portion or the wear portion, defining a longitudinal axis, and a first lock receiving groove that defines an axis of rotation that is perpendicular to the longitudinal axis of the shank.Type: ApplicationFiled: July 6, 2020Publication date: January 6, 2022Applicant: Caterpillar Inc.Inventors: Nathan R. Bjerke, Thomas Marshall Congdon
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Publication number: 20220002982Abstract: A retaining system includes a lock including a drive portion that defines an axis of rotation, a radial direction, and a circumferential direction, and further includes a locking portion including an outer peripheral surface. A wing extends radially outwardly from the outer peripheral surface, while the locking portion is connected to the drive portion by a wall. A rib extends axially from the wall toward the drive portion forming an annular cavity, defining at least one detent receiving aperture that is disposed in the annular cavity.Type: ApplicationFiled: June 7, 2021Publication date: January 6, 2022Applicant: Caterpillar Inc.Inventor: Nathan R. Bjerke
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Publication number: 20220002981Abstract: A work tool or a wear member includes a working portion or a wear portion, a hollow portion that further defines a lock receiving aperture defining an axis of rotation, a radial direction, and a circumferential direction. The axis of rotation is transverse to the direction of assembly of work tool or wear member as the member is slid over a nose portion of a tool adaptor or the like. The axis of rotation is spaced away from the direction the pin receiving thru-hole extends a predetermined distance measured along the direction of assembly.Type: ApplicationFiled: July 6, 2020Publication date: January 6, 2022Applicant: Caterpillar Inc.Inventor: Nathan R. Bjerke
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Publication number: 20210332568Abstract: In one aspect, a corner shroud includes a body that may have a floor portion having a floor rear surface, a floor inner surface, a floor lower surface, and a floor upper surface having a curved portion, a side portion, extending from the floor portion, and having a side outer surface, a side rear surface, a side inner surface, and a side upper surface, a front portion extending between the floor portion and the side portion, the front portion having a front surface, a front inner surface, and a front rear surface, and a top portion extending from the front portion, the top portion having a top upper surface, a top inner surface, a top lower surface, a top rear surface, and a top outer surface. The floor upper surface, the side inner surface, the front rear surface, the top lower surface, and the top inner surface define a recess.Type: ApplicationFiled: March 25, 2021Publication date: October 28, 2021Applicant: Caterpillar Inc.Inventors: Nathan R. BJERKE, Thomas M. CONGDON
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Publication number: 20210317741Abstract: A cutter bit for a work tool on a machine includes a leading end, conical-shaped tip portion, a rearward, frustoconical-shaped tip portion extending axially rearwardly from the leading end, conical-shaped tip portion, an annular ledge extending radially outwardly from a trailing edge of the rearward, frustoconical-shaped tip portion, a frustoconical-shaped body portion extending axially rearwardly from an outer circumferential edge of the annular ledge, a cylindrical collar portion extending axially rearwardly from a trailing edge of the frustoconical-shaped body portion, and a trailing end, cylindrical-shaped shank portion extending axially rearwardly from the cylindrical collar portion. The cutter bit may also include a plurality of circumferentially-spaced ribs projecting radially outwardly from an outer peripheral surface of at least one of the leading end, conical-shaped tip portion, the rearward, frustoconical-shaped tip portion, or the frustoconical-shaped body portion.Type: ApplicationFiled: June 22, 2021Publication date: October 14, 2021Applicant: CATERPILLAR INC.Inventors: Thomas Marshall CONGDON, David Bruno PARZYNSKI, JR., Nathan R. BJERKE
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Patent number: 11098584Abstract: A cutter bit for a work tool on a machine includes a leading end, conical-shaped tip portion, a rearward, frustoconical-shaped tip portion extending axially rearwardly from the leading end, conical-shaped tip portion, an annular ledge extending radially outwardly from a trailing edge of the rearward, frustoconical-shaped tip portion, a frustoconical-shaped body portion extending axially rearwardly from an outer circumferential edge of the annular ledge, a cylindrical collar portion extending axially rearwardly from a trailing edge of the frustoconical-shaped body portion, and a trailing end, cylindrical-shaped shank portion extending axially rearwardly from the cylindrical collar portion. The cutter bit may also include a plurality of circumferentially-spaced ribs projecting radially outwardly from an outer peripheral surface of at least one of the leading end, conical-shaped tip portion, the rearward, frustoconical-shaped tip portion, or the frustoconical-shaped body portion.Type: GrantFiled: November 15, 2018Date of Patent: August 24, 2021Assignee: Caterpillar Inc.Inventors: Thomas Marshall Congdon, David Bruno Parzynski, Jr., Nathan R. Bjerke
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Publication number: 20210230845Abstract: A bolt retention assembly defines a horizontal direction, a vertical direction, and a lateral direction that is perpendicular to the vertical direction and the horizontal direction. The bolt retention assembly includes an adapter including a forward abutment portion and a rearward horizontally oriented saddle portion. The adapter may also define an interior aperture. The bolt retention assembly further includes a slide including a forward threaded portion configured to fit within the interior aperture of the adapter, and a rearward horizontally oriented pronged portion configured to pass through the rearward horizontally oriented saddle portion of the adapter.Type: ApplicationFiled: January 23, 2020Publication date: July 29, 2021Applicant: Caterpillar Inc.Inventor: Nathan R. Bjerke
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Patent number: D959505Type: GrantFiled: March 25, 2021Date of Patent: August 2, 2022Assignee: Caterpillar Inc.Inventors: Nathan R. Bjerke, Thomas M. Congdon
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Patent number: D978923Type: GrantFiled: June 3, 2021Date of Patent: February 21, 2023Assignee: Caterpillar Inc.Inventors: Nathan R. Bjerke, Michael Tancin, Eric T. Sinn
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Patent number: D997209Type: GrantFiled: June 23, 2022Date of Patent: August 29, 2023Assignee: Caterpillar Inc.Inventors: Nathan R. Bjerke, Thomas M. Congdon