Invention Grant
- Patent Title: Focal plane shutter and optical device
- Patent Title (中): 焦平面快门和光学装置
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Application No.: US13235875Application Date: 2011-09-19
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Publication No.: US08356949B2Publication Date: 2013-01-22
- Inventor: Hiroshi Takahashi , Seiichi Oishi
- Applicant: Hiroshi Takahashi , Seiichi Oishi
- 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: JP2010-035703 20100222
- Main IPC: G03B9/32
- IPC: G03B9/32
Abstract:
A focal plane shutter includes: a board including an opening; a blade movable between a position where the blade recedes from the opening and a position where the blade covers at least part of the opening; a drive arm connected to the blade, the drive arm including an engagement hole; a drive lever including a drive pin engaging the engagement hole; and a restriction portion provided in the drive arm, the restriction portion abutting the drive pin and being thicker than the drive arm.
Public/Granted literature
- US20120008933A1 FOCAL PLANE SHUTTER AND OPTICAL DEVICE Public/Granted day:2012-01-12
Information query
