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. 10, 2006
Filed:
Apr. 25, 2003
Stephane Ravat, Clermont-Ferrand, FR;
Stephane Ravat, Clermont-Ferrand, FR;
Abstract
The invention relates to a radially expandable assembly drum () for the manufacture of tires, said drum having a body mounted on a central shaft () having a generally cylindrical central surface for receiving the products to be assembled and ends of different diameters, the drum comprising a lifting device () located at each end of the body of the drum having a cylindrical outer receiving surface () for products to be assembled, characterized in that the lifting device () arranged close to the end of lesser diameter is radially displaceable relative to the body () of the drum () between a position wherein its surface () has substantially the same diameter as that of the central surface of the body () and a position wherein its surface () has a diameter less than that of the central surface of the body (), the radial displacement of this lifting device () being synchronized with the radial expansion of the drum ().