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:
Apr. 05, 2005
Filed:
Mar. 01, 2001
Applicants:
Toyohisa Yamamoto, Fujisawa, JP;
Norifumi Ikeda, Fujisawa, JP;
Kouichi Yamamoto, Fujisawa, JP;
Inventors:
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C033/44 ;
U.S. Cl.
CPC ...
Abstract
A guide railis formed of a ceramic material having a specific strength of 2×10mm or more and has a planar part with a surface roughness of 0.5 μmRa or less. Further, the guide railhas a recessfor avoiding interference with a part to be attached in which the cornerof the recessis formed with a radius of curvature of 0.1 mm or more.
Yamamoto, Toyohisa. (2005). Rolling device (U.S. Patent No. 6874942). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6874942
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile