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:
Nov. 08, 2002
Applicants:
Hiroshi Ishiguro, Fujisawa, JP;
Toshihisa Ohata, Fujisawa, JP;
Yasuhiro Hirayama, Fujisawa, JP;
Inventors:
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 33/76 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a seal-type rolling bearing, between an inner ring and an outer ring, contact-type seal plates are respectively interposed on the counter-water-drenchable side and on the water-drenchable side. On the counter-water-drenchable side, a seal plate including, in the lip leading end portion thereof, an air hole for controlling the internal and external pressures of the bearing is disposed. On the water-drenchable side, a seal plate without air hole is disposed.