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:
Jan. 29, 2008
Filed:
May. 27, 2004
Innocente Marchante Moreno, Le Bourget du Lac, FR;
Gilbert Trivero, La Chavanne, FR;
Innocente Marchante Moreno, Le Bourget du Lac, FR;
Gilbert Trivero, La Chavanne, FR;
Darlet Marchante Technologie S.A., Le Bourget du Lac, FR;
Abstract
The invention relates to drawing systems using a series of jaws for the support, transport and drawing of the film (), which are supported and guided by rails and driven by endless chains (), connecting the jaws between the above. Each chain () is driven by two toothed wheels () of large diameter (D), one wheel () located at the beginning of the forward run () and the other wheel () located at the rear end of the return run () of the chain (). Each wheel () is provided with motorised rotational drive means, said means being synchronised with each other. Such a drive device finds application in high speed drawing machines.