Patents by Inventor Kok Vui Lai

Kok Vui Lai 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).

  • Multi-speed drill and chuck assembly
    Patent number: 8075229
    Abstract: A chuck assembly configured to provide a shorter longitudinal profile. The chuck assembly includes a chuck body with a support bearing mounted to a rear portion of the chuck body and mounted to a portion of a housing such that a cavity is defined axially rearward of the support bearing and is configured to receive the jaws when the rear portion of the jaws extend axially rearward. The chuck assembly can be incorporated into a tool driven by a motor. In some aspects, the tool may include a speed change mechanism, a torque adjustment mechanism, or both.
    Type: Grant
    Filed: June 12, 2008
    Date of Patent: December 13, 2011
    Assignee: Techtronic Power Tools Technology Limited
    Inventors: Kwok Ting Mok, Kok Vui Lai
  • Chuck assembly
    Patent number: 8057134
    Abstract: A chuck assembly configured to provide a shorter longitudinal profile. The chuck assembly includes a chuck body with a support bearing mounted to a rear portion of the chuck body and mounted to a portion of a housing such that a cavity is defined axially rearward of the support bearing and is configured to receive the jaws when the rear portion of the jaws extend axially rearward.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: November 15, 2011
    Assignee: Techtronic Power Tools Technology Limited
    Inventors: Kwok Ting Mok, Kok Vui Lai
  • Multi-Speed Drill and Chuck Assembly
    Publication number: 20090003950
    Abstract: A chuck assembly configured to provide a shorter longitudinal profile. The chuck assembly includes a chuck body with a support bearing mounted to a rear portion of the chuck body and mounted to a portion of a housing such that a cavity is defined axially rearward of the support bearing and is configured to receive the jaws when the rear portion of the jaws extend axially rearward. The chuck assembly can be incorporated into a tool driven by a motor. In some aspects, the tool may include a speed change mechanism, a torque adjustment mechanism, or both.
    Type: Application
    Filed: June 12, 2008
    Publication date: January 1, 2009
    Inventors: Kwok Ting Mok, Kok Vui Lai
  • Chuck Assembly
    Publication number: 20090003949
    Abstract: A chuck assembly configured to provide a shorter longitudinal profile. The chuck assembly includes a chuck body with a support bearing mounted to a rear portion of the chuck body and mounted to a portion of a housing such that a cavity is defined axially rearward of the support bearing and is configured to receive the jaws when the rear portion of the jaws extend axially rearward.
    Type: Application
    Filed: June 26, 2007
    Publication date: January 1, 2009
    Inventors: Kwok Ting Mok, Kok Vui Lai
  • Random orbit sander
    Patent number: D497090
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: October 12, 2004
    Assignee: One World Technologies, Limited
    Inventors: Charles M. Wacker, Kevin Kok Vui Lai
  • Electric sander
    Patent number: D497297
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: October 19, 2004
    Assignee: One World Technologies, Limite
    Inventors: Charles M. Wacker, Kevin Kok Vui Lai