The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 2009
Filed:
Sep. 22, 2006
Yinong Liu, Beijing, CN;
Zhiqiang Chen, Beijing, CN;
Yuanjing LI, Beijing, CN;
Wanlong Wu, Beijing, CN;
Yulan LI, Beijing, CN;
Xilei Luo, Beijing, CN;
LI Zhang, Beijing, CN;
Ziran Zhao, Beijing, CN;
Bin Sang, Beijing, CN;
Hailin Wang, Beijing, CN;
Yinong Liu, Beijing, CN;
Zhiqiang Chen, Beijing, CN;
Yuanjing Li, Beijing, CN;
Wanlong Wu, Beijing, CN;
Yulan Li, Beijing, CN;
Xilei Luo, Beijing, CN;
Li Zhang, Beijing, CN;
Ziran Zhao, Beijing, CN;
Bin Sang, Beijing, CN;
Hailin Wang, Beijing, CN;
Nuctech Company Limited, Beijing, CN;
Tsinghua University, Beijing, CN;
Abstract
A collimator for adjusting an X-ray beam includes: an up-and-down adjustment mechanism; a left-and-right adjustment mechanism, a supporting member; and an adjusting plate connected with the supporting member. The up-and-down adjustment mechanism comprises first rotating nuts, up-and-down moving leading screws threadedly connected with the first rotating nuts, and upper and lower sliding stops located in the supporting member. Each of the leading screws is connected with the upper and lower sliding stops to drive the upper and lower sliding stops, respectively, to vertically move. The left-and-right adjustment mechanism comprises second rotating nuts, horizontally moving leading screws connected with second rotating nuts, and left and right sliding stops located in the supporting member. Each of the horizontally moving leading screws are connected with the left and right sliding stops to drive the left and right sliding stops, respectively, to horizontally move.