Patent ID: 7111372
Filing Date: 2006-09-26
Classification: B23Q,B24B,B28D,G02C,Y10T

Abstract:
1. A machine for shaping blanks to create filter lenses to be included in a clip-on accessory having a pair of filter lenses which, when the accessory is hitched onto a pair of eyeglasses, having two half sections, then lie in registration with these half sections, said eyeglasses having a predetermined geometry that is matched by the geometry of the filter lenses, said machine comprising: A. A part of worktables each to support one of the blanks to be shaped, and each having a first motor for driving the worktable; B. A drill bit unit provided with a rotatable drill bit; C. An elevator supporting said drill bit unit and shiftable along a vertical axis to raise or lower the drill bit with respect to the blank on each worktable, and a second motor for driving the elevator; D. A carriage carrying said elevator and shiftable along a horizontal axis to move the drill bit back and forth with respect to said blank, said carriage being driven by a third motor; and E. A processor to coordinate the operation of the first, second and third motors to cause said drill bit to shape the blank to form a filter lens of the desired geometry.