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:
Jan. 15, 2002
Filed:
Jun. 17, 1997
Applicant:
Inventors:
Toru Tsukada, Gunma, JP;
Soichiro Kato, Gunma, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 5/502 ;
U.S. Cl.
CPC ...
F16H 5/502 ;
Abstract
A ring-like lubricant supply device is fitted into a recess of a nut member . The lubricant supply device contains a lubricant and is formed in an outer peripheral surface with notches . Tubular members each having an outer diameter larger than the diameter of the notch are inserted into the notches, pushing and widening the notches in a circumferential direction. One end of the tubular member is fitted into a recess of a retaining ring and the retaining ring is fixed to a nut member