Patents by Inventor David Bruno
David Bruno 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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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: 20210087796Abstract: A material penetrating tool includes a shaft portion defining a central axis, and an enlarged cutting portion extending downwardly axially from the shaft portion. The enlarged cutting portion includes a rearward blunt surface, a front cutting surface, a first side surface and a second side surface, and the first side surface and the second side surface define an angle of extension measured in a plane perpendicular to the central axis, forming a wider forward cutting surface than the rearward blunt surface in a plane perpendicular to the central axis.Type: ApplicationFiled: December 7, 2020Publication date: March 25, 2021Applicant: Caterpillar Inc.Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon
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Publication number: 20210087780Abstract: A blade assembly includes an adapter board including a lower tool bit attachment portion, terminating in a lower adapter board free end, the lower adapter board free end defining a bottom surface defining a plurality of shank receiving bores. A plurality of bushings are disposed in a corresponding one of the plurality of shank receiving bores.Type: ApplicationFiled: December 3, 2020Publication date: March 25, 2021Applicant: Caterpillar Inc.Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon, Tobias James Toennies
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Publication number: 20210071387Abstract: A cutting component for a machine including a moldboard with a first end and an adapter plate with an adapter slot mounted to the moldboard proximate the first end. The cutting component can include body portion and a fastening portion that extends from the body portion. The fastener portion is shaped to slidably mate with the adapter slot of the adapter plate. The fastening portion can be shaped with a first portion located at the interface between the body portion and the fastening portion, and a second portion located further from the body portion than the first portion and shaped wider than the first portion. The difference in width between the first portion and second portion, allows the cutting component engage with the adapter plate from within in the adapter slot and resist to resist working loads with material during operation of the machine.Type: ApplicationFiled: September 10, 2019Publication date: March 11, 2021Applicant: Caterpillar Inc.Inventors: Tobias J. Toennies, David Bruno Parzynski, JR.
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Publication number: 20210040707Abstract: An adapter board defines an upper adapter board attachment portion, and a lower tool bit attachment portion. The upper adapter board attachment portion includes a first peak surface and a second peak surface, the first peak surface and the second peak surface forming a first valley between the first peak surface and the second peak surface.Type: ApplicationFiled: October 22, 2020Publication date: February 11, 2021Applicant: Caterpillar Inc.Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon, Susan Marie Graham
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Patent number: 10914050Abstract: A blade assembly includes an adapter board including a lower tool bit attachment portion, terminating in a lower adapter board free end, the lower adapter board free end defining a bottom surface defining a plurality of shank receiving bores. A plurality of bushings are disposed in a corresponding one of the plurality of shank receiving bores.Type: GrantFiled: November 7, 2018Date of Patent: February 9, 2021Assignee: Caterpillar Inc.Inventors: David Bruno Parzynski, Jr., Thomas Marshall Congdon, Tobias James Toennies
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Publication number: 20210025146Abstract: A tool bit is disclosed. The tool bit may comprise a threaded portion, a shank, a shoulder, an anti-rotation segment and a working portion. The threaded portion may be centered about and extend longitudinally along a first axis. The shank may be centered about the first axis and extend longitudinally along the first axis. The shank may be disposed between the threaded portion and the shoulder. The anti-rotation segment may be disposed between the shoulder and the working portion of the tool bit. The working portion may be oriented to extend lengthwise away from the first axis and to extend lengthwise along another axis that is transverse to the first axis. The working portion may include a planar cutting surface that includes a working edge. The planar cutting surface may be oriented transverse to the first axis.Type: ApplicationFiled: October 14, 2020Publication date: January 28, 2021Applicant: Caterpillar Inc.Inventors: David Bruno Parzynski Jr., Thomas Marshall Congdon
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Patent number: 10889959Abstract: A blade assembly comprises a moldboard defining an upper moldboard free end and a lower moldboard free end, the lower moldboard free end defining a lower curved mounting surface, and an adapter board defining an upper adapter board attachment portion, and a lower tool bit attachment portion. The upper adapter board attachment portion may include a first peak surface and a second peak surface, the first peak surface and the second peak surface forming a first valley therebetween and being configured to contact the lower curved mounting surface.Type: GrantFiled: April 13, 2018Date of Patent: January 12, 2021Assignee: Caterpillar Inc.Inventors: David Bruno Parzynski, Jr., Thomas Marshall Congdon, Susan Marie Graham
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Patent number: 10889966Abstract: A tool bit comprises a shank portion defining a longitudinal axis, and a working portion extending downwardly axially from the shank portion. The working portion includes a rear region, a front working region, a first side region and a second side region, and the first side region and the second side region define an angle of extension measured in a plane perpendicular to the longitudinal axis, forming a wider front working region than the rear region in a plane perpendicular to the longitudinal axis.Type: GrantFiled: April 13, 2018Date of Patent: January 12, 2021Assignee: Caterpillar Inc.Inventors: David Bruno Parzynski, Jr., Thomas Marshall Congdon
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Patent number: 10851523Abstract: A tool bit is disclosed. The tool bit includes a working portion at a distal end of the tool bit, a threaded portion at a proximal end of the tool bit, a shank extending along a longitudinal axis of the tool bit between the working portion and the threaded portion, and an anti-rotation receiving hole located on the threaded portion. The anti-rotation receiving hole extends through the threaded portion transverse to the longitudinal axis. The threaded portion of the tool bit is configured to engage with threads of a nut, and the anti-rotation receiving hole is configured to receive a pin inserted through the nut.Type: GrantFiled: November 5, 2018Date of Patent: December 1, 2020Assignee: Caterpillar Inc.Inventors: David Bruno Parzynski, Jr., Thomas Marshall Congdon
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Patent number: 10822770Abstract: An adapter board for use with a blade assembly includes a lower tool bit attachment portion, terminating in a lower adapter board free end, the lower adapter board free end defining a bottom surface defining a plurality of shank receiving bores and a plurality of pry slots. Each one of the plurality of pry slots is disposed adjacent at least one of the plurality of shank receiving bores.Type: GrantFiled: May 25, 2018Date of Patent: November 3, 2020Assignee: Caterpillar Inc.Inventors: David Bruno Parzynski, Jr., Thomas Marshall Congdon
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Publication number: 20200157938Abstract: 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: November 15, 2018Publication date: May 21, 2020Applicant: CATERPILLAR INC.Inventors: Thomas Marshall CONGDON, David Bruno PARZYNSKI, JR., Nathan R. BJERKE
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Publication number: 20200141092Abstract: A tool bit is disclosed. The tool bit includes a working portion at a distal end of the tool bit, a threaded portion at a proximal end of the tool bit, a shank extending along a longitudinal axis of the tool bit between the working portion and the threaded portion, and an anti-rotation receiving hole located on the threaded portion. The anti-rotation receiving hole extends through the threaded portion transverse to the longitudinal axis. The threaded portion of the tool bit is configured to engage with threads of a nut, and the anti-rotation receiving hole is configured to receive a pin inserted through the nut.Type: ApplicationFiled: November 5, 2018Publication date: May 7, 2020Applicant: Caterpillar Inc.Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon
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Publication number: 20200141086Abstract: A blade assembly includes an adapter board including a lower tool bit attachment portion, terminating in a lower adapter board free end, the lower adapter board free end defining a bottom surface defining a plurality of shank receiving bores. A plurality of bushings are disposed in a corresponding one of the plurality of shank receiving bores.Type: ApplicationFiled: November 7, 2018Publication date: May 7, 2020Applicant: Caterpillar Inc.Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon, Tobias James Toennies
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Publication number: 20190360170Abstract: An adapter board for use with a blade assembly includes a lower tool bit attachment portion, terminating in a lower adapter board free end, the lower adapter board free end defining a bottom surface defining a plurality of shank receiving bores and a plurality of pry slots. Each one of the plurality of pry slots is disposed adjacent at least one of the plurality of shank receiving bores.Type: ApplicationFiled: May 25, 2018Publication date: November 28, 2019Applicant: Caterpillar Inc.Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon
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Publication number: 20190316326Abstract: A tool bit comprises a shank portion including a cylindrical configuration defining a longitudinal axis, a radial direction, and a circumferential direction, and a working portion including a cylindrical configuration that is concentric with the shank portion and a flat bottom surface.Type: ApplicationFiled: April 13, 2018Publication date: October 17, 2019Applicant: Caterpillar Inc.Inventors: David Bruno Parzynski, Jr., Thomas Marshall Congdon
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Publication number: 20190316319Abstract: A blade assembly comprises a moldboard defining an upper moldboard free end and a lower moldboard free end, the lower moldboard free end defining a lower curved mounting surface, and an adapter board defining an upper adapter board attachment portion, and a lower tool bit attachment portion. The upper adapter board attachment portion may include a first peak surface and a second peak surface, the first peak surface and the second peak surface forming a first valley therebetween and being configured to contact the lower curved mounting surface.Type: ApplicationFiled: April 13, 2018Publication date: October 17, 2019Applicant: Caterpillar Inc.Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon, Susan Marie Graham
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Publication number: 20190316325Abstract: A tool bit comprises a shank portion defining a longitudinal axis; and a working portion. The working portion includes at least a first arcuate surface disposed longitudinally adjacent the shank portion.Type: ApplicationFiled: April 13, 2018Publication date: October 17, 2019Applicant: Caterpillar Inc.Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon
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Patent number: D925569Type: GrantFiled: November 22, 2019Date of Patent: July 20, 2021Assignee: Aristocrat Technologies, Inc.Inventors: Chad La Guardia, Wouter Bruneel, David Bruno, Edmond Ye, Christopher Decker