Patents by Inventor Tzu-Wen Hung

Tzu-Wen Hung 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).

  • Patent number: 8459156
    Abstract: A tailstock device for a lathe includes a carrier defining an accommodation space for accommodating a hub mount. The hub mount is turnable relative to the carrier and has two angularly displaced stage posts extending radially and outwardly for mounting first and second holders, respectively. By turning of the hub mount, a selected one of the holders is moved to a working position to aligned with a longitudinal axis of a workpiece held thereby. The tailstock device can hold a variety of workpieces, and allow adjustment of the angle and position of a workpiece held thereby.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: June 11, 2013
    Assignee: Yi-Da Precision Machiney Co., Ltd.
    Inventors: Hank Pu, Tzu-Wen Hung
  • Publication number: 20110283846
    Abstract: A tailstock device for a lathe includes a carrier defining an accommodation space for accommodating a hub mount. The hub mount is turnable relative to the carrier and has two angularly displaced stage posts extending radially and outwardly for mounting first and second holders, respectively. By turning of the hub mount, a selected one of the holders is moved to a working position to aligned with a longitudinal axis of a workpiece held thereby. The tailstock device can hold a variety of workpieces, and allow adjustment of the angle and position of a workpiece held thereby.
    Type: Application
    Filed: January 19, 2011
    Publication date: November 24, 2011
    Inventors: Hank Pu, Tzu-Wen Hung
  • Patent number: 5678904
    Abstract: A detachable wardrobe comprises a frame device and a casing enclosing the frame device. The frame device comprises a top frame having four three-way corner joints, a middle frame having four four-way joints, a bottom frame having four three-way bottom joints, a first bearing plate disposed on the bottom frame, a second bearing plate disposed on the middle frame, and a plurality of longitudinal rods disposed between the top frame and the middle frame and disposed between the middle frame and the bottom frame.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: October 21, 1997
    Inventor: Tzu-Wen Hung