Patents by Inventor Zg Liu

Zg Liu 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).

  • Device for extracting a mold core from a mold assembly, and mold assembly using the device
    Patent number: 7802981
    Abstract: A device for extracting the mold core and a mold assembly using the same are disclosed. The extracting device comprises a first gear, a plurality of first racks and a plurality of transmission assemblies, wherein the transmission assemblies and the corresponding first racks are spaced apart along the periphery of the first gear such that each transmission assembly is located between the first gear and first racks. The rotating motion of the first gear is transformed into a reciprocating motion of each of the first racks from a first position to a second position.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: September 28, 2010
    Assignees: Delta Electronics Components (Dongguan) Co., Ltd., Delta Electronics, Inc
    Inventors: Zg Liu, Victor Lee
  • DEVICE FOR EXTRACTING A MOLD CORE FROM A MOLD ASSEMBLY, AND MOLD ASSEMBLY USING THE DEVICE
    Publication number: 20080089965
    Abstract: A device for extracting the mold core and a mold assembly using the same are disclosed. The extracting device comprises a first gear, a plurality of first racks and a plurality of transmission assemblies, wherein the transmission assemblies and the corresponding first racks are spaced apart along the periphery of the first gear such that each transmission assembly is, located between the first gear and first racks. The rotating motion of the first gear is transformed into a reciprocating motion of each of the first racks from a first position to a second position.
    Type: Application
    Filed: May 24, 2007
    Publication date: April 17, 2008
    Applicants: DELTA ELECTRONICS COMPONENTS (DONGGUAN) CO., LTD., DELTA ELECTRONICS, INC.
    Inventors: Zg Liu, Victor Lee