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:
Dec. 01, 2015
Filed:
Jun. 28, 2012
Applicant:
Fabrice Lessard, Cambrai, FR;
Inventor:
Fabrice Lessard, Cambrai, FR;
Assignee:
COMPAGNIE ENGRENAGES ET REDUCTEURS—MESSIAN—DURAND, Cambrai, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 25/00 (2006.01); B02C 15/00 (2006.01); B02C 23/04 (2006.01);
U.S. Cl.
CPC ...
B02C 15/006 (2013.01); B02C 23/04 (2013.01); B02C 15/00 (2013.01); B02C 15/007 (2013.01); B02C 25/00 (2013.01); Y10T 74/19014 (2015.01);
Abstract
This driving device for a grinder includes a toothed ring, at least two driving assemblies for the toothed ring. Each driving assembly includes an electric motor and a reduction gear unit. The driving device includes safety means suitable for preventing the starting of all the driving assemblies when at least one driving assembly is unavailable.