Unit for the form machining of the edges of spectacle lenses...

Details Unit for the form machining of the edges of spectacle lenses... Unit for the form machining of the edges of spectacle lenses...

2005-12-13

2005-12-13

Ackun, Jr., Jacob K. (Department: 3723)

Abrading

Precision device or process - or with condition responsive...

Computer controlled

C451S042000, C451S384000

Reexamination Certificate

active

06974363

ABSTRACT:
A unit for form machining the edges of spectacle lenses, comprising a CNC-controlled machine tool for form machining of a spectacle lens, a determining device for determining lens parameters, or for attaching a block or a sucker in a correct position and at a correct angle, a lens conveyor past the unit, a manipulator for removing blank lenses from the conveying device, for inserting a blank lens into the determining device, for removing the blank lens from the determining device, for inserting the blank lens into the machine tool, for removing a finished-machined spectacle lens from the machine tool and for returning the spectacle to the conveyor, the manipulator having a transversely movable slides, slide having a first gripper for holding a blank lens and having a second gripper, movable independently of the first gripper, for holding a finished lens in the spectacle-lens edging machine. A method of operation of the foregoing is disclosed.

REFERENCES:
patent: 6409574 (2002-06-01), Shibata
patent: 6568990 (2003-05-01), Siders et al.
patent: 2002/0155787 (2002-10-01), Luderich
patent: 2003/0157869 (2003-08-01), Luderich et al.

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