Patent ID: 6609958
Filing Date: 2003-08-26
Classification: B24B,B24D

Abstract:
Apparatus for edging an ophthalmic lens having an anterior edge portion and a posterior edge portion defining an edge apex, said apparatus comprising:a) a flexible web of abrasive material having a first, free end and a second, secured end whereby said free end dangles from said secured end; b) a rotatable spindle on which said lens is removably positioned and rotated during engagement of said lens with said flexible web of abrasive material, said lens edge being directed along the section of said web located between said secured end and said free end thereof whereby said anterior edge portion, said posterior edge portion and said edge apex are each sequentially engaged and abraded by said web section; and c) means for oscillating said web section during engagement of said lens therewith, wherein said oscillation means comprises a vertical slide mechanism which oscillates said web section along a vertical plane.