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).
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Patent number: 11149414Abstract: 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: GrantFiled: March 7, 2019Date of Patent: October 19, 2021Assignee: Caterpillar Inc.Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
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Patent number: 11142894Abstract: 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: GrantFiled: April 24, 2019Date of Patent: October 12, 2021Assignee: Caterpillar Inc.Inventors: Corey Michael Wells, Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier
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Publication number: 20210301504Abstract: 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: ApplicationFiled: June 14, 2021Publication date: September 30, 2021Applicant: Caterpillar Inc.Inventor: Douglas C. Serrurier
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Publication number: 20210293003Abstract: 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: ApplicationFiled: June 9, 2021Publication date: September 23, 2021Applicant: Caterpillar Inc.Inventors: Corey Michael Wells, Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier
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Patent number: 11124951Abstract: 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: GrantFiled: April 24, 2019Date of Patent: September 21, 2021Assignee: Caterpillar Inc.Inventors: Corey Michael Wells, Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier
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Patent number: 11105073Abstract: 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: GrantFiled: March 7, 2019Date of Patent: August 31, 2021Assignee: Caterpillar Inc.Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
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Publication number: 20210262512Abstract: 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: ApplicationFiled: February 26, 2020Publication date: August 26, 2021Applicant: Caterpillar Inc.Inventor: Douglas C. Serrurier
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Patent number: 11098463Abstract: 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: GrantFiled: November 11, 2019Date of Patent: August 24, 2021Assignee: Caterpillar Inc.Inventor: Douglas C. Serrurier
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Publication number: 20210148094Abstract: 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: ApplicationFiled: November 14, 2019Publication date: May 20, 2021Applicant: Caterpillar Inc.Inventors: Douglas C. Serrurier, Eric T. Sinn, Jason Grant Jura
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Publication number: 20210140148Abstract: 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: ApplicationFiled: November 8, 2019Publication date: May 13, 2021Applicant: Caterpillar Inc.Inventor: Douglas C. Serrurier
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Publication number: 20210140149Abstract: 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: ApplicationFiled: November 11, 2019Publication date: May 13, 2021Applicant: Caterpillar Inc.Inventor: Douglas C. Serrurier
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Publication number: 20210095444Abstract: An anti-tipping retainer has a lug receiving portion 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 has recess for turning the retainer. At least a first detent receiving surface is disposed on the outside of the lug receiving portion proximate to the first sidewall or the second sidewall. The drive portion further includes a tab that has a bearing surface extending between a first stop surface and a second stop surface.Type: ApplicationFiled: September 30, 2019Publication date: April 1, 2021Applicant: Caterpillar Inc.Inventors: Douglas C. Serrurier, Eric T. Sinn, Corey Michael Wells, Jason Grant Jura
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Publication number: 20210047809Abstract: 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 that faces at least partially in the circumferential direction and along a direction that is parallel to the axis of rotation, forming an oblique angle with the direction that is parallel to the axis of rotation.Type: ApplicationFiled: July 15, 2020Publication date: February 18, 2021Applicant: Caterpillar Inc.Inventors: Douglas C. Serrurier, Eric T. Sinn, Jason Grant Jura, Corey Michael Wells
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Publication number: 20200340218Abstract: 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: ApplicationFiled: April 24, 2019Publication date: October 29, 2020Applicant: Caterpillar Inc.Inventors: Corey Michael Wells, Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier
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Publication number: 20200340219Abstract: 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: ApplicationFiled: April 24, 2019Publication date: October 29, 2020Applicant: Caterpillar Inc.Inventors: Corey Michael Wells, Jason Grant Jura, Eric T. Sinn, Douglas C. Serrurier
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Patent number: 10724212Abstract: A shroud configured to be attached to a work implement comprises a ground engaging surface with a convex acruate portion, a first concave arcuate portion on one side of the convex arcuate portion, and a second concave arcuate portion on the other side of the convex arcuate portion, or an upper outside loading surface extending from the ground engaging surface including a first concave arcuate loading portion, a first convex arcuate loading portion, and a second convex arcuate loading portion, or a slot the defines a front clearance face with a first rearward facing pad therefrom.Type: GrantFiled: April 18, 2019Date of Patent: July 28, 2020Assignee: Caterpillar Inc.Inventors: Mihai Mircea Balan, Douglas C. Serrurier
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Publication number: 20200157780Abstract: 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: ApplicationFiled: March 7, 2019Publication date: May 21, 2020Applicant: Caterpillar Inc.Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
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Publication number: 20200157777Abstract: 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: ApplicationFiled: March 7, 2019Publication date: May 21, 2020Applicant: Caterpillar Inc.Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
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Publication number: 20200157765Abstract: 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: ApplicationFiled: March 7, 2019Publication date: May 21, 2020Applicant: Caterpillar Inc.Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
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Publication number: 20200157776Abstract: 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: ApplicationFiled: March 7, 2019Publication date: May 21, 2020Applicant: Caterpillar Inc.Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu