A shutter device includes blades rotatable to interrupt an air flow therethrough, and first and second frames supporting the blades. One end of a blade in a longitudinal direction thereof includes a first support rotatably supported by the first frame, and a second support rotatably supported by the second frame. The first support and the second support are disposed along a widthwise direction of the blade. Another end of the blade in the longitudinal direction thereof includes a third support rotatably supported by the first frame, and a fourth support rotatably supported by the second frame. The third support and the fourth support are disposed along the widthwise direction of the blade.
SHUTTER DEVICE AND METHOD FOR MANUFACTURING SHUTTER DEVICE
15.10.2020
Patent
Elektronische Ressource
Englisch
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