Patents by Inventor Andrew Ramsager

Andrew Ramsager 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).

  • Systems and methods of chainsaw tensioning
    Patent number: 12042950
    Abstract: A chainsaw including a body including a bar stud extending therefrom; a guide bar including a bar stud slot that receives the bar stud, wherein the bar stud slot has a length, and wherein the guide bar is configured to receive a chain; a yoke having a groove defining a length extending in a direction angularly offset from the length of the bar stud slot of the guide bar, wherein the yoke is coupled to the guide bar; a ratchet gear including a one-way motion feature and a post extending into the groove of the yoke, wherein rotating the ratchet gear in a first direction moves the guide bar to tighten the chain, and wherein rotating the ratchet gear in a second direction moves the guide bar to loosen the chain; and a pawl selectively engaged with the one-way motion feature of the ratchet gear.
    Type: Grant
    Filed: April 13, 2023
    Date of Patent: July 23, 2024
    Assignee: TECHTRONIC CORDLESS GP
    Inventors: Calvin Jone, Martin Lai, Chris Song, Andrew Ramsager, John Huang, Anderson Duong
  • SYSTEMS AND METHODS OF CHAINSAW TENSIONING
    Publication number: 20230241797
    Abstract: A chainsaw including a body including a bar stud extending therefrom; a guide bar including a bar stud slot that receives the bar stud, wherein the bar stud slot has a length, and wherein the guide bar is configured to receive a chain; a yoke having a groove defining a length extending in a direction angularly offset from the length of the bar stud slot of the guide bar, wherein the yoke is coupled to the guide bar; a ratchet gear including a one-way motion feature and a post extending into the groove of the yoke, wherein rotating the ratchet gear in a first direction moves the guide bar to tighten the chain, and wherein rotating the ratchet gear in a second direction moves the guide bar to loosen the chain; and a pawl selectively engaged with the one-way motion feature of the ratchet gear.
    Type: Application
    Filed: April 13, 2023
    Publication date: August 3, 2023
    Inventors: Calvin Jone, Martin Lai, Chris Song, Andrew Ramsager, John Huang, Anderson Duong
  • Systems and methods of chainsaw tensioning
    Patent number: 11673287
    Abstract: A chainsaw including a body including a bar stud extending therefrom; a guide bar including a bar stud slot that receives the bar stud, wherein the bar stud slot has a length, and wherein the guide bar is configured to receive a chain; a yoke having a groove defining a length extending in a direction angularly offset from the length of the bar stud slot of the guide bar, wherein the yoke is coupled to the guide bar; a ratchet gear including a one-way motion feature and a post extending into the groove of the yoke, wherein rotating the ratchet gear in a first direction moves the guide bar to tighten the chain, and wherein rotating the ratchet gear in a second direction moves the guide bar to loosen the chain; and a pawl selectively engaged with the one-way motion feature of the ratchet gear.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: June 13, 2023
    Assignee: Techtronic Cordless GP
    Inventors: Calvin Jone, Martin Lai, Chris Song, Andrew Ramsager, John Huang, Anderson Duong
  • SYSTEMS AND METHODS OF CHAINSAW TENSIONING
    Publication number: 20230143254
    Abstract: A chainsaw including a body including a bar stud extending therefrom; a guide bar including a bar stud slot that receives the bar stud, wherein the bar stud slot has a length, and wherein the guide bar is configured to receive a chain; a yoke having a groove defining a length extending in a direction angularly offset from the length of the bar stud slot of the guide bar, wherein the yoke is coupled to the guide bar; a ratchet gear including a one-way motion feature and a post extending into the groove of the yoke, wherein rotating the ratchet gear in a first direction moves the guide bar to tighten the chain, and wherein rotating the ratchet gear in a second direction moves the guide bar to loosen the chain; and a pawl selectively engaged with the one-way motion feature of the ratchet gear.
    Type: Application
    Filed: November 10, 2021
    Publication date: May 11, 2023
    Inventors: Calvin Jone, Martin Lai, Chris Song, Andrew Ramsager, John Huang, Anderson Duong