Having Removable Corner Bit Patents (Class 172/701.2)
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Patent number: 12054921Abstract: 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: GrantFiled: June 3, 2021Date of Patent: August 6, 2024Assignee: Caterpillar Inc.Inventors: Nathan R. Bjerke, Michael Tancin, Eric Thomas Sinn
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Patent number: 11970844Abstract: 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: GrantFiled: March 25, 2021Date of Patent: April 30, 2024Assignee: Caterpillar Inc.Inventors: Nathan R Bjerke, Thomas M. Congdon
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Patent number: 11499298Abstract: A corner segment, configured to be mounted to a work implement, may include a body having a plurality of surfaces including a rear surface, an upper surface, a front surface, a bottom surface, an outer side surface, an inner side surface, and a corner surface that is adjacent to each of the front surface, the outer side surface, the upper surface, and the bottom surface. A portion of the bottom surface forms a bottom surface wear zone, and a portion of the front surface forms a front surface wear zone, The corner segment may also include a plurality of protrusions provided on wear zones, the wear zones including the bottom surface wear zone and the front surface wear zone.Type: GrantFiled: April 29, 2020Date of Patent: November 15, 2022Assignee: Caterpillar Inc.Inventors: Thomas M. Congdon, Nathan Bjerke
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Patent number: 10808376Abstract: A wear member includes a rear mounting region having a shelf forming a bottom surface and a rear surface or a plurality of mounting pads with at least one recess disposed at least partially on at least one of the plurality of the mounting pads.Type: GrantFiled: March 29, 2018Date of Patent: October 20, 2020Assignee: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon
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Patent number: 10633820Abstract: A dozing blade assembly includes a dozing blade and a multi-piece cutter mounted to the dozing blade and including an elongate body having a first outer body piece and a second outer body piece that are mirror images of one another, and each including an inboard stem having a linear leading edge profile, and an integral outboard end bit having a curvilinear leading edge profile. The outer body pieces are structured for mounting to the dozing blade such that digging faces of the outer body pieces are oriented at a shallower angle than digging faces of the middle body piece, relative to a horizontal plane.Type: GrantFiled: October 19, 2017Date of Patent: April 28, 2020Assignee: Caterpillar Inc.Inventors: Thomas Congdon, Nathan Bjerke
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Patent number: 9856629Abstract: A lip shroud may include a front, wedge-shaped portion, an intermediate transition portion, and a rear mounting portion opposite the front, wedge-shaped portion. The intermediate transition portion of the lip shroud may be configured with at least one upwardly and rearwardly inclined transition surface that merges into a front edge of the rear mounting portion. The at least one upwardly and rearwardly inclined transition surface may include two opposite side, upwardly inclined surfaces that extend between rearward side edges of the at least one transition surface and substantially an entire length of each of opposite side edges of the rear mounting portion. The two opposite side, upwardly inclined surfaces may include outer side edges configured to form a smooth, upwardly sloped and outwardly convex-shaped profile merging into the opposite side edges of the rear mounting portion.Type: GrantFiled: July 21, 2016Date of Patent: January 2, 2018Assignee: Caterpillar Inc.Inventor: Phillip John Kunz
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Patent number: 9840825Abstract: An implement end cutting-bit with a body having front, rear, top, bottom, inner side and outer side portions. The body has a cutting edge along a bottom interface between the front and bottom portions. The body has a flat front surface on the front portion extending between a top edge along a top interface between the front and top portions, an outer side edge along an outer side interface between the front and outer side portions, a ridge on the front portion, and a spearhead edge along the bottom interface between the outer side portion and the cutting edge. The body has a contoured front surface on the front portion of the body adjacent the flat front surface. The contoured front surface can be defined between an inner side edge, which is along an inner side interface between the front and inner side portions, the cutting edge, and the ridge.Type: GrantFiled: August 28, 2013Date of Patent: December 12, 2017Assignee: Caterpillar Inc.Inventors: Nick W. Biggs, Thomas Congdon
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Patent number: 9725875Abstract: A wear member for an earth-working implement including a body having front, rear, top, bottom, inner side and outer side portions. The wear member includes a front bottom edge, a front top edge, a front inner side edge, and a front outer side edge. The wear member includes a front face on the front portion between the front inner side edge, the front outer side edge, the front top edge, and the front bottom edge. The wear member includes a front lower cutout edge and a front cutout. The wear member includes a front lower surface and includes a front cutout surface defined by the front cutout between the front lower cutout edge and the front top edge. The body is configured to be mounted to a mounting edge of the earth-working implement such that the front face faces a direction away from the earth-working implement.Type: GrantFiled: July 29, 2014Date of Patent: August 8, 2017Assignee: Caterpillar Inc.Inventor: Thomas Congdon