Patents by Inventor DING-QIANG MA

DING-QIANG MA 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).

  • Fixture for selectively positioning a work piece using suction
    Patent number: 9399296
    Abstract: A fixture includes a housing and a gas valve. The housing defines a receiving chamber and a suction hole communicating with the receiving chamber on an end. The gas valve includes a valve body and a piston. The valve body partially resists an inner surface of the receiving chamber to divide the receiving chamber. The valve body defines a first channel, and a first and second through holes respectively communicating with the first channel. The piston is movably received in the first channel, and capable of being pushed to lead the first connecting hole to communicate with the second through hole by gas flowing into the hole, and block a communication between the first connecting hole and the second through hole by gas flowing into the first channel.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: July 26, 2016
    Assignees: FU DING ELECTRONICAL TECHNOLOGY (JIASHAN) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Hui-Fa Ji, Xiao-Yi Wu, Shi-Mei Cai, Ding-Qiang Ma
  • TOOL CLAMPING DEVICE AND COLLET THEREOF
    Publication number: 20160114407
    Abstract: A tool clamping device for holding a cutting tool includes a holder having a holding cavity, a lock nut engaged with the holder, and a collet. The collet includes a collet body and a nut mounting part separated from the collet body by an annular concave part. The collet is tapered and has an axle hole in a central portion thereof, and the axle hole running through the collet body, the annular concave part, and the nut mounting part. The collet further includes a plurality of slots extending along an axial direction of the collet. The collet has an inner wall with a plurality of grooves defined therein. A collet is also provided.
    Type: Application
    Filed: April 15, 2015
    Publication date: April 28, 2016
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU DING ELECTRONICAL TECHNOLOGY (JIASHAN) CO.,LTD.
    Inventors: XIAO-YI WU, XIAO-HONG ZENG, XIAO-LONG ZHANG, WU YANG, DING-QIANG MA
  • FIXTURE
    Publication number: 20160107320
    Abstract: A fixture includes a housing and a gas valve. The housing defines a receiving chamber and a suction hole communicating with the receiving chamber on an end. The gas valve includes a valve body and a piston. The valve body partially resists an inner surface of the receiving chamber to divide the receiving chamber. The valve body defines a first channel, and a first and second through holes respectively communicating with the first channel. The piston is movably received in the first channel, and capable of being pushed to lead the first connecting hole to communicate with the second through hole by gas flowing into the hole, and block a communication between the first connecting hole and the second through hole by gas flowing into the first channel.
    Type: Application
    Filed: April 10, 2015
    Publication date: April 21, 2016
    Inventors: HUI-FA JI, XIAO-YI WU, SHI-MEI CAI, DING-QIANG MA