Contour reading device, in particular for eyeglass lenses

A contour reading device, in particular for eyeglass frames, includes a holding arrangement to support a template at a fixed position and a carriage mobile relative to the holding arrangement and carrying a feeler at the end of a rod. To read off the position of a mounting hole in a peripheral area...

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Bibliographic Details
Main Authors CHANSAVOIR; ALAIN, JONCOUR; CHRISTIAN
Format Patent
LanguageEnglish
Published 08.12.1998
Edition6
Subjects
CONTACT LENSES
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
OPTICS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
TESTING
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Summary:A contour reading device, in particular for eyeglass frames, includes a holding arrangement to support a template at a fixed position and a carriage mobile relative to the holding arrangement and carrying a feeler at the end of a rod. To read off the position of a mounting hole in a peripheral area of the template, the device includes a detector arrangement having at least one component constrained to move with the carriage at a given distance from the axis of the rod carrying the feeler, on the same side as a central area of the holding means. Applications include identifying the mounting holes in "drilled mount" eyeglass lenses.
Bibliography:Application Number: US19970785603