BLADE DRIVING DEVICE AND IMAGING DEVICE USING THE SAME

To provide a blade driving device in which propagation of deflection caused when a blade is stopping can be suppressed.SOLUTION: A blade driving device 1 includes: a back blade 28 including resin layers 281, 283 reinforced by carbon fibers as front surface layers on both sides; and a back blade driv...

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Bibliographische Detailangaben
1. Verfasser:	KAWAKAMI KENTA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	To provide a blade driving device in which propagation of deflection caused when a blade is stopping can be suppressed.SOLUTION: A blade driving device 1 includes: a back blade 28 including resin layers 281, 283 reinforced by carbon fibers as front surface layers on both sides; and a back blade driving lever 52 for driving the back blade 28 from a travel start position to a travel end position. The direction of alignment of the carbon fibers in the resin layers 281, 283 is vertical to the formation direction D4 of a deflection unit which is assumed to propagate on the back blade 28 when the back blade 28 is stopping at the travel end position.SELECTED DRAWING: Figure 8 【課題】、羽根の停止時に生じる撓みの伝搬を抑制することができる羽根駆動装置を提供する。【解決手段】羽根駆動装置１は、炭素繊維で補強された樹脂層２８１，２８３を両側の表面層として含む後羽根２８と、後羽根２８を走行開始位置から走行完了位置まで駆動する後羽根駆動レバー５２とを備える。樹脂層２８１，２８３における炭素繊維の整列方向は、後羽根２８が走行完了位置で停止する際に後羽根２８上を伝搬すると予想される撓み部の形成方向Ｄ4に対して垂直である。【選択図】図８