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:
Sep. 16, 1986
Filed:
Nov. 22, 1985
Applicant:
Inventor:
Daniel W Hazebrook, Detroit, MI (US);
Assignee:
GKN Automotive Components, Southfield, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ; B21K / ; B21K / ; B23P / ;
U.S. Cl.
CPC ...
2914 / ; 2914 / ; 29558 ; 403 57 ; 403 74 ; 464145 ; 464906 ;
Abstract
A method for forming a precision ball groove track in a part, especially in an outer race member of a universal joint. The method includes the steps of forming a recess groove in the ball race groove track and ball finish machining the race groove track to a predetermined precision shape, the recess reducing groove the wear on the finish machining tool used during the finish machining step.