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. 20, 2007
Filed:
Jan. 20, 2003
Applicants:
Rudolf Neumann, Spaichingen, DE;
Guido Schmid, Triberg, DE;
Inventors:
Rudolf Neumann, Spaichingen, DE;
Guido Schmid, Triberg, DE;
Assignee:
Minebea Co. Ltd, Nagano, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 33/74 (2006.01); F16C 32/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fluid dynamic bearing assembly including a shaft and a bearing sleeve. A bearing gap is formed between the shaft and the bearing sleeve and is filled with a lubricating fluid. A capillary seal is formed at one end of the bearing sleeve, and a recess is formed in the shaft immediately above the capillary seal. The surface of the recess forms an acute angle with an axis of the shaft.