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:
Aug. 26, 1997
Filed:
Mar. 20, 1996
Applicant:
Inventors:
Jean-Louis Sauvonnet, Cremieu, FR;
Jean Lemire, Fromelennes, FR;
Lionel Robbe, Sezanne, FR;
Jean Chouvel, Courbevoie, FR;
Bruno Ceccacci, Chiavari, IT;
Assignee:
Trefimetaux, Courbevoie, FR;
Primary Examiner:
Int. Cl.
CPC ...
B21C / ; B21C / ;
U.S. Cl.
CPC ...
72283 ; 72290 ; 72422 ;
Abstract
A drawing device including a drawing block and a traction device, where the traction device includes two drive belts and an automatic engagement device. This automatic engagement device includes an auxiliary traction device propelled with power by the traction device.