Title:
フォーカルプレンシャッタ、及び撮像装置
Document Type and Number:
Japanese Patent JP6971712
Kind Code:
B2
Abstract:
To provide a focal plane shutter which appropriately operates even if it is left at a set position for a long time, and suppresses a noise generating in setting.SOLUTION: A focal plane shutter includes a bottom board having an opening, a vane which operates to open and close the opening, an arm connected to the vane, a movable member connected to the arm and providing driving force via the arm to the vane, a set lever rotatably supported around a rotation shaft in a predetermined region so as to push the movable member to move the movable member to a predetermined position before running, a first set energization member arranged on the rotation shaft and providing energization force to the set lever over the whole of the predetermined region, and a second set energization member arranged on the rotation shaft and providing, in the vicinity of an operation terminal end in the predetermined region, energization force to the set lever in a direction opposite to the first set energization member.SELECTED DRAWING: Figure 5
Inventors:
Suzuki Yusuke
Application Number:
JP2017161977A
Publication Date:
November 24, 2021
Filing Date:
August 25, 2017
Export Citation:
Assignee:
Nidec Copal Corporation
International Classes:
G03B9/36
Domestic Patent References:
| JP2001100271A | ||||
| JP10020364A | ||||
| JP63107426U |
Attorney, Agent or Firm:
Takafumi Ishii
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