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:
May. 15, 2007
Filed:
Jul. 26, 2006
Applicants:
Biing-hwa Yan, Taoyuan County, TW;
Hsinn-jyh Tzeng, Taipei, TW;
Jan-ming Chen, Taoyuan County, TW;
Sheng-hsun Hsiao, Taipei County, TW;
Inventors:
Biing-Hwa Yan, Taoyuan County, TW;
Hsinn-Jyh Tzeng, Taipei, TW;
Jan-Ming Chen, Taoyuan County, TW;
Sheng-Hsun Hsiao, Taipei County, TW;
Assignee:
National Central University, Taoyuan County, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is an apparatus for polishing a precision screw. The apparatus uses abrasive in a sealed container for polishing. Hence, the present invention can do precise polishing to obtain smooth surface of thread by removing tiny burrs with the abrasive.