Patent ID: 7803035
Filing Date: 2010-09-28
Classification: B24B,B24D

Abstract:
1. A method of working the periphery of an ophthalmic lens (L), the periphery of the lens (L) possessing an edge face (C) and the method including edging the edge face (C) of the lens (L) by machining with a first grindwheel ( 31 ; 31 A; 31 B; 31 C; 31 D) mounted to rotate about an axis of rotation (A 4 ), the method being characterized in that, during the edging, in addition to being free to rotate about said axis of rotation (A 4 ), the first grindwheel ( 31 ; 31 A; 31 B; 31 C; 31 D) possesses two degrees of freedom to move in tilting about two distinct pivot directions that are substantially transverse to its axis of rotation (A 4 ).