Patents by Inventor Douglas CHALMERS

Douglas CHALMERS 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: 20230219653
    Abstract: A chain guide is disclosed herein. The chain guide includes a backplate and a chain guide. The backplate has an elongated opening therein. The chain guide includes a guide to orient a chain with respect to the sprocket. The chain guide also includes a retaining assembly to removably and adjustably frictionally couple the guide at a given location along the elongated opening in the backplate, such that when the guide is rotated axially about the retaining assembly, the guide is retained at the given location.
    Type: Application
    Filed: February 27, 2023
    Publication date: July 13, 2023
    Applicant: Fox Factory, Inc.
    Inventors: Robert CHARETTE, Douglas CHALMERS, Evan Michael CHOLTCO-DEVLIN
  • Patent number: 11603167
    Abstract: A chain guide is disclosed herein. The chain guide includes a backplate and a chain guide. The backplate has an elongated opening therein. The chain guide includes a guide to orient a chain with respect to the sprocket. The chain guide also includes a retaining assembly to removably and adjustably frictionally couple the guide at a given location along the elongated opening in the backplate, such that when the guide is rotated axially about the retaining assembly, the guide is retained at the given location.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: March 14, 2023
    Assignee: Fox Factory, Inc.
    Inventors: Robert Charette, Douglas Chalmers, Evan Michael Choltco-Devlin
  • Publication number: 20230014123
    Abstract: A crank impact and wear protection article is disclosed. The crank arm includes a crank body and an impact and wear protection article coupled with the crank body.
    Type: Application
    Filed: May 24, 2022
    Publication date: January 19, 2023
    Applicant: Fox Factory, Inc.
    Inventors: Fraser ANDREW, Evan Michael CHOLTCO-DEVLIN, Douglas CHALMERS, Robbie ROBERTS, Marco SOTA
  • Publication number: 20210252918
    Abstract: A system and method for a tubeless tire insert. The present invention includes an annular body having shock absorbing characteristics. A positioning system configured to vary a mean inner diameter of the insert is also included. The insert has a mean inner diameter X when the tire is being installed on the rim, and the insert has a mean inner diameter Y when the tire is installed on the rim, where X is greater than Y.
    Type: Application
    Filed: February 11, 2021
    Publication date: August 19, 2021
    Applicant: Fox Factory, Inc.
    Inventors: Wesley E. ALLINGER, Paul KLAWER, Douglas A. CHALMERS
  • Publication number: 20200331558
    Abstract: A chain guide is disclosed herein. The chain guide includes a backplate and a chain guide. The backplate has an elongated opening therein. The chain guide includes a guide to orient a chain with respect to the sprocket. The chain guide also includes a retaining assembly to removably and adjustably frictionally couple the guide at a given location along the elongated opening in the backplate, such that when the guide is rotated axially about the retaining assembly, the guide is retained at the given location.
    Type: Application
    Filed: April 17, 2020
    Publication date: October 22, 2020
    Applicant: Fox Factory, Inc.
    Inventors: Robert CHARETTE, Douglas CHALMERS, Evan Michael CHOLTCO-DEVLIN