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:
Jun. 18, 2019
Filed:
Nov. 14, 2016
Applicant:
Jtekt Corporation, Osaka-shi, JP;
Inventors:
Assignee:
JTEKT CORPORATION, Osaka-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B24B 19/12 (2006.01); B24B 17/02 (2006.01);
U.S. Cl.
CPC ...
B24B 19/12 (2013.01); B24B 17/025 (2013.01);
Abstract
A cam grinding method includes: a common base circle portion setting step of obtaining an angular range of a common surface based on first cam lift data of a first cam and second cam lift data of a second cam; a first cam grinding step of grinding the first cam; a second cam grinding step of grinding the second cam; and a common base circle portion traverse grinding step of, after the second cam grinding step, moving a grinding wheel in a traverse direction to perform spark-out of an unground part remaining at the boundary between the first and second cams.