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:
Nov. 06, 2012
Filed:
Jun. 13, 2011
Applicants:
Wen Chen, Shanghai, CN;
Zhende Fu, Shanghai, CN;
Daniel Paul Kelaher, Holly Springs, NC (US);
Lei LI, Shanghai, CN;
Yu Yu, Shanghai, CN;
Inventors:
Wen Chen, Shanghai, CN;
ZhenDe Fu, Shanghai, CN;
Daniel Paul Kelaher, Holly Springs, NC (US);
Lei Li, Shanghai, CN;
Yu Yu, Shanghai, CN;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G01B 11/27 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for aligning a rail in a computer server rack has a laser transmitter for generating a laser dot. The apparatus has a prism for converting the laser dot into a laser line. The apparatus has a laser lens for projecting the laser line. The apparatus has an elongated bar for positioning the apparatus on a rack post, such that the laser line is projected perpendicular to the rack post.