发明授权
- 专利标题: Aperture device and optical instrument
- 专利标题(中): 光圈装置和光学仪器
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申请号: US14311707申请日: 2014-06-23
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公开(公告)号: US09454000B2公开(公告)日: 2016-09-27
- 发明人: Katsuhisa Gokita , Kazuya Shioda , Kenichi Kudo
- 申请人: SEIKO PRECISION INC.
- 申请人地址: JP Narashino-shi
- 专利权人: SEIKO PRECISION INC.
- 当前专利权人: SEIKO PRECISION INC.
- 当前专利权人地址: JP Narashino-shi
- 代理机构: Kratz, Quintos & Hanson, LLP
- 优先权: JP2012-99254 20120424
- 主分类号: G02B26/02
- IPC分类号: G02B26/02 ; G03B9/06 ; G03B9/02 ; G03B9/00 ; G03B9/08 ; G03B9/07
摘要:
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.
公开/授权文献
- US20140300943A1 APERTURE DEVICE AND OPTICAL INSTRUMENT 公开/授权日:2014-10-09
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