Patent ID: 7726915
Filing Date: 2010-06-01
Classification: B23B,Y10T

Abstract:
1. A machine for spectacle lens, comprising a lens holding unit for holding left and right spectacle lenses, and a drill drive unit relatively moving in left and right directions and in front and rear directions with respect to said lens holding unit and for forming a hole on the spectacle lens held on said lens holding unit, wherein said lens holding unit has lens supporting base plates separated at left and right to match the left and the right spectacle lenses, the spectacle lenses at left and right are supported by said lens holding unit via said lens supporting base plates, and said left and right lens supporting base plates each comprise gear teeth and said gear teeth are intermeshed such that when said left and right lens supporting base plates are rotated clockwise or counterclockwise, the other of said left and right lens supporting base plates rotates symmetrically in an opposite direction with respect to the front-to-rear direction.