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:
Mar. 06, 2001
Filed:
Mar. 31, 1999
Applicant:
Inventors:
Takashi Murai, Kanagawa, JP;
Morio Sorimachi, Kanagawa, JP;
Yoshio Shoda, Kanagawa, JP;
Takashi Yamamoto, Kanagawa, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
E04B 5/00 ;
U.S. Cl.
CPC ...
E04B 5/00 ;
Abstract
At least the center portion of the contour of a rolling surface of each roller along the direction of an axis is linearly shaped in parallel with the axis, and each of the inclinations of the surface on a pillar side of a pocket of a cage for receiving rollers with respect to the circumferential and radial directions is set to be equal to or less than {fraction (1.5/1000)} as large as the length of the roller.