Patents by Inventor Fung Chi Ho

Fung Chi Ho 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).

  • Screwdriver with manuel spindel lock
    Patent number: 6273200
    Abstract: A power tool has a manual spindle lock which includes a first locking member to couple with a gear of the power tool drive train. The locking member includes a first cam member. A second cam member is coupled with the first cam member. The second cam member is movable between first and second positions. In the first position, the locking member is disengaged from the gear and in the second position the locking member engages with the gear to prohibit driving of the output spindle of the power tool.
    Type: Grant
    Filed: July 7, 1999
    Date of Patent: August 14, 2001
    Assignee: Black & Decker Inc.
    Inventors: Roger Q. Smith, Tong Chi Kin, Fung Chi Ho, Lam Kar Lok