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Title:
羽根駆動装置及びこれを備えた撮像装置
Document Type and Number:
Japanese Patent JP7424856
Kind Code:
B2
Abstract:
To provide a small blade driving device capable of rapid imaging.SOLUTION: A blade driving device 1 has a front blade driving lever 51 for opening or closing front blades 21 to 24. The front blade driving lever 51 includes: a first lever member 61 having a front blade driving unit 613 connected to front blade arms 31 and 32, the first lever member being rotatable between a front blade expansion position and a front blade escape position around a front blade driving shaft 19; a second lever member 62, rotatable between a front blade charge position and a front blade release position around the front blade driving shaft 19; a lock member 80 rotatable around a shaft unit 81; and a composite cam member 70 rotatable around a composite cam shaft 13, the composite cam member 70 having an unlock cam 76 pressing the lock member 80 and unlocking the lock state of the lock member 80 and a first lever member 61 of the front blade driving lever 51 and a push cam 75 for pressing the first lever member 61 of the front blade driving lever 51 to the front blade expansion position.SELECTED DRAWING: Figure 3

Inventors:
Yuusuke Akamatsu
Application Number:
JP2020024628A
Publication Date:
January 30, 2024
Filing Date:
February 17, 2020
Export Citation:
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Assignee:
Nidek Precision Co., Ltd.
International Classes:
G03B9/36; H04N23/55
Domestic Patent References:
JP2015092236A
JP2007298544A
Foreign References:
WO2013057961A1
Attorney, Agent or Firm:
Tomohiro Mori