Patents by Inventor Douglas C. Serrurier

Douglas C. Serrurier 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).

  • Publication number: 20220275609
    Abstract: A retainer sleeve includes an at least partially annular body defining an axis of rotation, a radial direction, and a circumferential direction. The body may also have a radially inner annular surface defining a radially inner aperture, and a first anti-rotation feature extending radially inwardly from the radially inner annular surface including a sloping ledge having a locking surface, and an outer peripheral surface defining a notch that is at least partially aligned with the first anti-rotation feature or an array of a plurality of external ribs extending outwardly radially from the outer peripheral surface.
    Type: Application
    Filed: May 18, 2022
    Publication date: September 1, 2022
    Applicant: Caterpillar Inc.
    Inventors: Douglas C. Serrurier, Eric T. Sinn, Jason Grant Jura
  • Patent number: 11427989
    Abstract: A retainer sleeve includes an at least partially annular body defining an axis of rotation, a radial direction, and a circumferential direction. The body may also have a radially inner annular surface defining a radially inner aperture, and a first anti-rotation feature extending radially inwardly from the radially inner annular surface including a sloping ledge having a locking surface, and an outer peripheral surface defining a notch that is at least partially aligned with the first anti-rotation feature or an array of a plurality of external ribs extending outwardly radially from the outer peripheral surface.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: August 30, 2022
    Assignee: Caterpillar Inc.
    Inventors: Douglas C. Serrurier, Eric T. Sinn, Jason Grant Jura
  • Publication number: 20220259836
    Abstract: A retainer includes a drive portion defining a drive portion outer diameter, and a lug receiving portion with a skirt defining a lug receiving slot that extends partially through the lug receiving portion, forming a first sidewall, a second sidewall, and a catch surface connecting the first sidewall to the second sidewall. The skirt also defines a skirt outer diameter that is greater than the drive portion outer diameter. Also, the drive portion has a hook tab that extends from the drive portion and that is spaced away from the skirt a minimum distance.
    Type: Application
    Filed: February 12, 2021
    Publication date: August 18, 2022
    Applicant: Caterpillar Inc.
    Inventors: Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier, Corey Michael Wells
  • Publication number: 20220154433
    Abstract: An adapter includes a first leg, a second leg, and a throat portion at least partially define a slot that defines a projection at the closed end of the slot that includes a flat middle portion straddled laterally by a first arcuate portion and a second arcuate portion, defining a lateral middle portion width. A projection protruding distance is measured along the direction of assembly from the closed end of the slot to the flat middle portion. The projection protruding distance ranges from 0.8 to 1.2 multiplied by the lateral middle portion width.
    Type: Application
    Filed: November 18, 2020
    Publication date: May 19, 2022
    Applicant: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20220154432
    Abstract: An adapter cover includes a front face portion that defines a thru-hole configured to allow a nose portion of an adapter to pass horizontally through the thru-hole past the interior surface and then past the exterior surface, and a top single leg extends horizontally from the front face portion. The thru-hole defines a perimeter with a right side edge, a left side edge, a top edge, an upper right corner and an upper left corner, and further defines a bottom open end.
    Type: Application
    Filed: November 18, 2020
    Publication date: May 19, 2022
    Applicant: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20220154421
    Abstract: Each of the plurality of center notches and the first and the second end notches of a base edge includes a different configuration including a different end notch depth along the direction of assembly that is greater than a center notch depth along the direction of assembly.
    Type: Application
    Filed: November 18, 2020
    Publication date: May 19, 2022
    Applicant: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20220056675
    Abstract: An adaptor includes a body defining a longitudinal axis, and a transverse axis that is normal to the longitudinal axis. The body also has a leading portion defining a lock receiving recess extending transversely at least partially through the leading portion, and a wire receiving conduit that is in communication with the lock receiving recess. The lock receiving recess defines a width and a depth with a ratio of the depth to width is greater than 1.0.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 24, 2022
    Applicant: Caterpillar Inc.
    Inventor: Douglas C. Serrurier
  • Patent number: 11236494
    Abstract: A base edge includes a plurality of center notches and a first and a second end notches that all include the same configuration, defining a notch depth along direction of assembly, a straight middle portion straddled laterally by a first arcuate corner portion and a second arcuate corner portion, the straight middle portion defining a lateral straight middle portion width, and the notch depth ranges from 0.1 multiplied by the lateral straight middle portion width to 0.5 multiplied by the lateral straight middle portion width.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: February 1, 2022
    Assignee: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Patent number: 11236495
    Abstract: The first and the second legs and the throat portion of an adapter include an upper surface and a lower surface that at least partially define a slot, and a clearance void disposed at the closed end of the slot. A ratio of the clearance void width to the clearance void height ranges from 2.0 to 3.0.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: February 1, 2022
    Assignee: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Patent number: 11230827
    Abstract: An adaptor includes a body defining a longitudinal axis, and a transverse axis that is normal to the longitudinal axis. The body also has a leading portion defining a lock receiving recess extending transversely at least partially through the leading portion, and a wire receiving conduit that is in communication with the lock receiving recess. The lock receiving recess defines a width and a depth with a ratio of the depth to width is greater than 1.0.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: January 25, 2022
    Assignee: Caterpillar Inc.
    Inventor: Douglas C. Serrurier
  • Publication number: 20210381206
    Abstract: An adapter includes a first leg, a second leg, and a throat portion that define a slot defining a direction of assembly onto a work implement assembly, a lateral direction that is perpendicular to the direction of assembly, and a vertical direction that is perpendicular to the direction of assembly and the lateral direction. The throat portion further includes a first throat side surface disposed along the lateral direction and a second throat side surface disposed on the opposite side of the throat portion along the lateral direction. The first throat side surface defines a first adapter cover receiving recess.
    Type: Application
    Filed: August 26, 2021
    Publication date: December 9, 2021
    Applicant: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Patent number: 11149414
    Abstract: An adapter cover includes a shell body including an exterior surface and an interior surface. A front face portion defines a thru-hole, a top leg extending horizontally from the front face portion and defining an adapter cover key on the interior surface. A top leg side portion defining a concave arcuate portion extending rearward from the front face portion, a convex arcuate portion extending horizontally from the concave arcuate portion, and terminating in a vertical rear surface. A bottom leg extending horizontally from the front face portion.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: October 19, 2021
    Assignee: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Patent number: 11149415
    Abstract: An adapter includes a first leg, a second leg, and a throat portion that define a slot defining a direction of assembly onto a work implement assembly, a lateral direction that is perpendicular to the direction of assembly, and a vertical direction that is perpendicular to the direction of assembly and the lateral direction. The throat portion further includes a first throat side surface disposed along the lateral direction and a second throat side surface disposed on the opposite side of the throat portion along the lateral direction. The first throat side surface defines a first adapter cover receiving recess.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: October 19, 2021
    Assignee: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Patent number: 11142894
    Abstract: A tip and adapter assembly includes a spring loaded retainer that includes a lug receiving portion defining a first maximum outside dimension, the lug receiving portion also defining a lug receiving slot that extends partially through the lug receiving portion, forming a first sidewall, a second sidewall, and a catch surface connecting the first sidewall to the second sidewall. A drive portion defines a second maximum outside dimension, and a first flat is disposed on the outside of the lug receiving portion proximate to the first sidewall or the second sidewall.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: October 12, 2021
    Assignee: Caterpillar Inc.
    Inventors: Corey Michael Wells, Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier
  • Publication number: 20210301504
    Abstract: A power locking device has a body including a blind bore with an electroactive polymer disposed in the blind bore, and a sliding lock member that is disposed in the blind bore and that contacts the electroactive polymer. A current source is in electrical communication with the electroactive polymer.
    Type: Application
    Filed: June 14, 2021
    Publication date: September 30, 2021
    Applicant: Caterpillar Inc.
    Inventor: Douglas C. Serrurier
  • Publication number: 20210293003
    Abstract: A spring loaded retainer includes a lug receiving portion defining a first maximum outside dimension, the lug receiving portion also defining a lug receiving slot that extends partially through the lug receiving portion, forming a first sidewall, a second sidewall, and a catch surface connecting the first sidewall to the second sidewall. A drive portion defines a second maximum outside dimension, and a first flat is disposed on the outside of the lug receiving portion proximate to the first sidewall or the second sidewall.
    Type: Application
    Filed: June 9, 2021
    Publication date: September 23, 2021
    Applicant: Caterpillar Inc.
    Inventors: Corey Michael Wells, Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier
  • Patent number: 11124951
    Abstract: A spring includes a first spring arm extending from the first side edge of the flat base, the first spring arm including a first arcuate portion extending from the flat base, a first straight portion extending from the first arcuate portion and disposed proximate to the rear face, the first straight portion defining a first obtuse angle with the rear face, and a first straight portion length.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: September 21, 2021
    Assignee: Caterpillar Inc.
    Inventors: Corey Michael Wells, Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier
  • Patent number: 11105073
    Abstract: An adapter cover includes a shell body including an exterior surface, an interior surface, and defining a vertical direction, a horizontal direction, and a vertical plane, a front face portion defining a thru-hole, a top leg extending horizontally from the front face portion and defining an adapter key receiving recess on the interior surface and a top leg side portion defining a concave arcuate portion extending rearward from the front face portion, a convex arcuate portion extending horizontally from the concave arcuate portion, terminating in a vertical rear surface, and a bottom leg extending horizontally from the front face portion.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: August 31, 2021
    Assignee: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20210262512
    Abstract: A tip assembly includes a tip including a body having a narrow tip portion, a broad attachment portion that defines a concave surface, an interior disposed between the broad attachment portion and the narrow tip portion, and a cavity that leads from the concave surface toward the interior. A retention bolt that is heated includes a tapered region, and a shaft extending from the tapered region, terminating at an externally threaded end. The cavity of the tip is at least partially complimentarily shaped to the tapered region of the retention bolt.
    Type: Application
    Filed: February 26, 2020
    Publication date: August 26, 2021
    Applicant: Caterpillar Inc.
    Inventor: Douglas C. Serrurier
  • Patent number: 11098463
    Abstract: A power locking device has a body including a blind bore with an electroactive polymer disposed in the blind bore, and a sliding lock member that is disposed in the blind bore and that contacts the electroactive polymer. A current source is in electrical communication with the electroactive polymer.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: August 24, 2021
    Assignee: Caterpillar Inc.
    Inventor: Douglas C. Serrurier