■BB BOX Modern automata Yoshihiro Banba ベルクランク Bell crank
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ベルクランク Bell crank
The name, the bellcrank, is the right-angled appliance which was used to sound a chime on the tower, being below.

 図の白い腕が上下すると、ベルクランク(水色)を介してオレンジの棒を左右に動かします。図では上下運動を  水平運動に変えています。
■Bell crank
When the white arm of the figure goes up and down, it moves the stick of the orange to either side through the bellcrank ( light blue ).
In the figure, it is changing an up-and-down exercise into the level exercise.

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