Mounting system for optical annulus in lens assembly
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United States of America Patent
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Oct 4, 1994
Issued Date -
N/A
app pub date -
Oct 6, 1992
filing date -
Nov 4, 1991
priority date (Note) -
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Abstract
An optical mounting system using interconnected annuli that support optical elements is made more accurate by forming raised engagement surfaces around the periphery of the annuli to confront and engage each other in a mounting plane perpendicular to the concentric axis of the annuli. The raised engagement surfaces are preferably formed as concentric ridge rings spaced radially inside and outside a row of screw holes used for interconnecting the annuli. The raised engagement surfaces are also preferably continuous around the peripheries of the annuli so they can be ground accurately flat and provide interannuli mounting surfaces that are resistant to deformation.
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