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. 08, 1981
Filed:
Oct. 22, 1979
Applicant:
Inventors:
Leslie G Fisher, Birmingham, GB;
John S Waite, Welshpool, GB;
Assignee:
GKN Transmissions Limited, Birmingham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
2914 / ; 2914 / ; 29505 ; 29515 ;
Abstract
A method of making a universal joint outer member affording a cavity with axially extending grooves in the wall thereof for receiving torque transmitting balls, comprising fitting into a preformed outer member, of light weight material, one or more wear resistant elements which define the grooves, and subjecting the assembly to an extrusion operation to secure the groove-defining elements in position and form the outer member to size.