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:
Mar. 17, 2015
Filed:
Oct. 26, 2009
Applicant:
Serge Huon, Maisons Laffitte, FR;
Inventor:
Serge Huon, Maisons Laffitte, FR;
Assignee:
Ressorts Huon Dubois, Conflans Sainte Honorine, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21F 3/04 (2006.01); B21F 3/10 (2006.01); B21F 11/00 (2006.01); B21F 3/06 (2006.01); B21F 3/02 (2006.01);
U.S. Cl.
CPC ...
B21F 3/06 (2013.01); B21F 3/02 (2013.01);
Abstract
A method for making a variable pitch spring (), in which a spring wire () is bent using bending lugs () so as to impart a spiral configuration thereto, a gap is formed between the turns by placing, between the turns being formed, the beveled side of a rotary disc () having a rotation synchronized with the spring wire supply, the disc () having a beveled profile that varies along the periphery of the disc, and the spring wire is cut () at the end of the formation of each spring.
Huon, Serge. (2015). Method and equipment for making a spring (U.S. Patent No. 8978434). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8978434
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile