Patents by Inventor Xian Wei XU

Xian Wei XU 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).

  • TOOL BIT HOLDER
    Publication number: 20210339362
    Abstract: A tool bit holder includes an inner sleeve in which a longitudinal bore is defined in which a tool bit is receivable and a detent is engageable with the tool bit for locking the tool bit within the longitudinal bore. An outer sleeve surrounds the inner sleeve and is movable relative to the inner sleeve between a locking position, in which the detent is engaged with the tool bit for locking the tool bit within the longitudinal bore, and a release position, in which the detent may be disengaged from the tool bit to permit removal of the tool bit from the longitudinal bore. A spring is positioned between the inner sleeve and the outer sleeve.
    Type: Application
    Filed: July 13, 2021
    Publication date: November 4, 2021
    Inventors: Michael J. ZIMMERMANN, Xian Wei XU
  • Tool bit holder
    Patent number: 11065744
    Abstract: A tool bit holder includes an inner sleeve in which a longitudinal bore is defined in which a tool bit is receivable and a detent is engageable with the tool bit for locking the tool bit within the longitudinal bore. An outer sleeve surrounds the inner sleeve and is movable relative to the inner sleeve between a locking position, in which the detent is engaged with the tool bit for locking the tool bit within the longitudinal bore, and a release position, in which the detent may be disengaged from the tool bit to permit removal of the tool bit from the longitudinal bore. A spring is positioned between the inner sleeve and the outer sleeve. The spring biases the outer sleeve toward the locking position.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: July 20, 2021
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Michael J. Zimmermann, Xian Wei Xu
  • TOOL BIT HOLDER
    Publication number: 20200023502
    Abstract: A tool bit holder includes an inner sleeve in which a longitudinal bore is defined in which a tool bit is receivable and a detent is engageable with the tool bit for locking the tool bit within the longitudinal bore. An outer sleeve surrounds the inner sleeve and is movable relative to the inner sleeve between a locking position, in which the detent is engaged with the tool bit for locking the tool bit within the longitudinal bore, and a release position, in which the detent may be disengaged from the tool bit to permit removal of the tool bit from the longitudinal bore. A spring is positioned between the inner sleeve and the outer sleeve.
    Type: Application
    Filed: July 19, 2019
    Publication date: January 23, 2020
    Inventors: Michael J. ZIMMERMANN, Xian Wei XU