Apparatus for centering and placing an adapter on an optical lens blank and for controlling a grinder
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United States of America Patent
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Apr 12, 1988
Grant Date -
N/A
app pub date -
Jun 4, 1986
filing date -
Jun 10, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The apparatus comprises a flat electronic screen (7), means (14) for displacing on the screen an image, stored in a data bank (9), of a given template or frame of spectacles, and means (8) for recording the displacements of the image on the screen (7), storing in memory the differences of its final coordinates with respect to a reference position constituted by the intersection of two orthogonal axes X, Y and calculating the resulting data and applying them directly to a grinder (11).
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