Machine for spectacle lens

Details Machine for spectacle lens Machine for spectacle lens

2007-09-19

2010-06-01

Bryant, David P (Department: 3726)

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Having tool-opposing, work-engaging surface

C408S103000, C029S020000

Reexamination Certificate

active

07726915

ABSTRACT:
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 the lens holding unit and for forming a hole on the spectacle lens held on the lens holding unit, wherein the 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 the lens holding unit via the lens supporting base plates, and the left and right lens supporting base plates can be rotated around positions symmetrical with respect to the front-to-rear direction.

REFERENCES:
patent: 5722647 (1998-03-01), Rattaro et al.
patent: 2007/0173182 (2007-07-01), Curcher
patent: 2009/0191014 (2009-07-01), Dupuy et al.
patent: 202004009086 (2004-10-01), None
patent: 2002-328345 (2002-11-01), None
patent: 2003-145328 (2003-05-01), None
patent: 2005-092036 (2005-04-01), None

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