Invention Grant
- Patent Title: Aperture device and optical instrument
- Patent Title (中): 光圈装置和光学仪器
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Application No.: US14311707Application Date: 2014-06-23
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Publication No.: US09454000B2Publication Date: 2016-09-27
- Inventor: Katsuhisa Gokita , Kazuya Shioda , Kenichi Kudo
- Applicant: SEIKO PRECISION INC.
- Applicant Address: JP Narashino-shi
- Assignee: SEIKO PRECISION INC.
- Current Assignee: SEIKO PRECISION INC.
- Current Assignee Address: JP Narashino-shi
- Agency: Kratz, Quintos & Hanson, LLP
- Priority: JP2012-99254 20120424
- Main IPC: G02B26/02
- IPC: G02B26/02 ; G03B9/06 ; G03B9/02 ; G03B9/00 ; G03B9/08 ; G03B9/07
Abstract:
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.
Public/Granted literature
- US20140300943A1 APERTURE DEVICE AND OPTICAL INSTRUMENT Public/Granted day:2014-10-09
Information query
