Patents by Inventor Xiaoqiang Tang

Xiaoqiang Tang 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).

  • Spindle head structure rotatable in A/B axes
    Patent number: 8714892
    Abstract: A spindle head structure rotatable in A/B axes is provided, comprising: a spindle support, an intermediate support, a base support, an upper telescopic strut and a lower telescopic strut. The spindle support may be adapted to be fixed with a spindle. The intermediate support may be connected with the spindle support via two coaxial upper revolute pairs. The base support may be connected with the intermediate support via two coaxial lower revolute pairs. The upper telescopic strut may be connected between the spindle support and the intermediate support. And the lower telescopic strut may be connected between the intermediate support and the base support.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: May 6, 2014
    Assignee: Tsinghua University
    Inventors: Xiaoqiang Tang, Liping Wang, Zhufeng Shao, Dianjun Wang, Rui Yao, Lin Qu
  • SPINDLE HEAD STRUCTURE ROTATABLE IN A/B AXES
    Publication number: 20120082526
    Abstract: A spindle head structure rotatable in A/B axes is provided, comprising: a spindle support, an intermediate support, a base support, an upper telescopic strut and a lower telescopic strut. The spindle support may be adapted to be fixed with a spindle. The intermediate support may be connected with the spindle support via two coaxial upper revolute pairs. The base support may be connected with the intermediate support via two coaxial lower revolute pairs. The upper telescopic strut may be connected between the spindle support and the intermediate support. And the lower telescopic strut may be connected between the intermediate support and the base support.
    Type: Application
    Filed: October 1, 2010
    Publication date: April 5, 2012
    Applicant: Tsinghua University
    Inventors: Xiaoqiang TANG, Liping Wang, Zhufeng Shao, Dianjun Wang, Rui Yao, Lin Qu
  • Type of parallel machine tool frame driven by slider and extensible strut
    Patent number: 6402444
    Abstract: This invention belongs to the manufacturing fields, specially relates to the structure design of a type of multi-function parallel machine tool driven by sliders and an extensible strut. It includes: two vertical (or one horizontal) guide ways, two active sliders mounted on guide ways, two linear drive units used to move the active sliders, two struts, one movable platform to assemble cutter, one workbench to fix workpiece, one salve slider and one controlled extensible strut. Compared with traditional machine tools, this invention possesses several advantages such as simpler structure, better cutter dexterity, faster cutter feed rate, higher accuracy, and better thermal effect calibration.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: June 11, 2002
    Assignee: Tsinghua University
    Inventors: Jinsong Wang, Guanghong Duan, Xiaoqiang Tang