Patents by Inventor Cheng-Fu Li

Cheng-Fu Li 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).

  • Reed-type clamp device
    Patent number: 6845511
    Abstract: A reed-type clamp device. The reed-type clamp device comprises a main body, a rotating ring, a reed and a clamp. The rotating ring has a ring portion and a lever portion. The ring portion has a plurality of protrusions formed on the inner circumference of the ring portion. The rotating ring is disposed on the main body and rotates clockwise and counterclockwise. A plurality of swing arms are extended from the outer edge of the reed. The swing arm has an outer end fixed on the main body and a driving portion. The protrusions of the rotating ring touch the driving portions. The clamp is fitted in the reed. By rotating the rotating ring, the swing arms of the reed fixed on the main body are pushed upward or downward such that the clamp can be moved upward or downward.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: January 18, 2005
    Assignee: Lite-On It Corporation
    Inventors: Tsung-Jung Kuo, Cheng-Fu Li, Ying-Shuen Li, Cheng-Chung Hsu
  • Reed-type clamp device
    Publication number: 20030072249
    Abstract: A reed-type clamp device. The reed-type clamp device comprises a main body, a rotating ring, a reed and a clamp. The rotating ring has a ring portion and a lever portion. The ring portion has a plurality of protrusions formed on the inner circumference of the ring portion. The rotating ring is disposed on the main body and rotates clockwise and counterclockwise. A plurality of swing arms are extended from the outer edge of the reed. The swing arm has an outer end fixed on the main body and a driving portion. The protrusions of the rotating ring touch the driving portions. The clamp is fitted in the reed. By rotating the rotating ring, the swing arms of the reed fixed on the main body are pushed upward or downward such that the clamp can be moved upward or downward.
    Type: Application
    Filed: March 25, 2002
    Publication date: April 17, 2003
    Inventors: Tsung-Jung Kuo, Cheng-Fu Li, Ying-Shuen Li, Cheng-Chung Hsu