APERTURE DEVICE AND OPTICAL INSTRUMENT

An aperture device includes: a board including an opening; a blade opening and closing the opening; and first and second receiving plates sandwiching the blade; wherein the first receiving plate includes a pressing portion partially pressing the blade toward the second plate.

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Bibliographic Details
Main Authors GOKITA KATSUHISA, SHIODA KAZUYA, KUDO KENICHI
Format Patent
LanguageEnglish
Published 09.10.2014
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:An aperture device includes: a board including an opening; a blade opening and closing the opening; and first and second receiving plates sandwiching the blade; wherein the first receiving plate includes a pressing portion partially pressing the blade toward the second plate.
Bibliography:Application Number: US201414311707