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:
May. 15, 2018
Filed:
Oct. 31, 2014
Essilor International (Compagne Generale D'optique), Charenton-le-Pont, FR;
Fabien Lafon, Charenton-le-Pont, FR;
Hanna Sauze, Charenton-le-Pont, FR;
ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE), Charenton-le-Pont, FR;
Abstract
A holder () for pneumatically blocking an optical lens () on a surfacing machine, includes:—a gripping part () for fixing it to a corresponding member () of the surfacing machine, and—a part () for blocking the optical lens, which includes a body () from which there protrude abutments which are designed to afford the optical lens a rigid seat, and a seal () against which the optical lens is able to be brought to bear in order to delimit with the body a vacuum chamber (). The abutments include first rods () which are mounted so as to be movable in translation with respect to the body in order to bear by way of their free ends () against the optical lens, and provision is made of return elements () for returning the first rods against the optical lens.