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:
Oct. 27, 1998
Filed:
Dec. 26, 1996
Applicant:
Inventors:
Taichiro Furukawa, Hamamatsu, JP;
Kyouzi Maeda, Iwata, JP;
Assignee:
NTN Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
384572 ;
Abstract
The present invention is intended to dispense with the post-processing of the pocket guide surfaces while securing the precision thereof, to improve the precision of the cage and to reduce the manufacturing cost. A cage (1) according to the present invention is formed such that the inner wall surfaces of the thin-walled and thick-walled portions (1a) and (1b) are continuous with each other through taper surfaces (1d) inclined toward the centers and the guide surfaces (1c1) of the pocket (1e) are shearing surfaces q on the pitch circle PCD.