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. 27, 1998
Filed:
May. 26, 1995
Applicant:
Inventors:
Kazuyoshi Harimoto, Iwata, JP;
Ikuo Fujiniwa, Iwata, JP;
Assignee:
NTN Corporation, Osaka-Fu, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
29898066 ; 29417 ; 451 52 ;
Abstract
In a method of producing split bearings, comprising the steps of forming at least one of the two end surfaces of a bearing ring 1 with notches 2 being on a dividing line for splitting, and pressing the bearing ring 1 between upper and lower molds 4 and 5 along the dividing line on which the notches 2 are provided, the raceway surface 1a of the bearing ring 1 is ground in the shape of an ellipsoid which major diameter lies on the dividing line, and in that natural splitting is then effected.