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:
Apr. 20, 1993
Filed:
Aug. 07, 1992
Applicant:
Inventor:
Helge Himmeroeder, Barrie, CA;
Assignee:
Tesma International Inc., Markham, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
74449 ; 74460 ;
Abstract
A cold-formed gear made from a single circular sheet of sheet metal. The gear is formed to have a central wall and a series of gear teeth surrounding the central wall. The teeth are formed in a outer annular section of the steel sheet by rolling contact with a cold-forming gear member. Extending from the outer annular section is a radial surface that supports the gear on a preform unit and then can be formed into a pulse ring for the gear.