APERTURE DEVICE AND OPTICAL INSTRUMENT

The aperture device according to an embodiment of the present invention is equipped with: a base plate having an aperture; blades that open/close the aperture; and first and second receiving plates between which the blades are sandwiched. The first receiving plate has pressing parts that press porti...

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Bibliographic Details
Main Authors KUDO, KENICHI, GOKITA, KATSUHISA, SHIODA, KAZUYA
Format Patent
LanguageEnglish
French
Japanese
Published 31.10.2013
Subjects
ACCESSORIES THEREFOR
APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:The aperture device according to an embodiment of the present invention is equipped with: a base plate having an aperture; blades that open/close the aperture; and first and second receiving plates between which the blades are sandwiched. The first receiving plate has pressing parts that press portions of the blades toward the second receiving plate. Selon une forme de réalisation, l'invention concerne un dispositif d'ouverture comportant une plaque de base comportant une ouverture ; des lames qui ouvrent/ferment l'ouverture ; et des premières et deuxièmes plaques de réception, entre lesquelles les lames sont prises en sandwich. La première plaque de réception comporte des parties de pression qui appuient sur des parties des lames en direction de la deuxième plaque de réception.
Bibliography:Application Number: WO2013JP50175