Patent Number: 8,714,892

Title: Spindle head structure rotatable in A/B axes

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.

Inventors: Tang; Xiaoqiang (Haidian District Beijing, CN), Wang; Liping (Haidian District Beijing, CN), Shao; Zhufeng (Haidian District Beijing, CN), Wang; Dianjun (Haidian District Beijing, CN), Yao; Rui (Haidian District Beijing, CN), Qu; Lin (Haidian District Beijing, CN)

Assignee: Tsinghua University

International Classification: B23C 1/12 (20060101); B25J 17/00 (20060101); B25J 9/00 (20060101); B23Q 1/54 (20060101)

Expiration Date: 5/06/12018