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Swinging folding door and a swinging folding gate; and a swinging folding door with an emergency opening device and a swinging folding gate with an emergency opening device
Swinging folding door and a swinging folding gate; and a swinging folding door with an emergency opening device and a swinging folding gate with an emergency opening device
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机译:旋转折叠门和旋转折叠门;具有紧急打开装置的旋转折叠门和具有紧急打开装置的旋转折叠门
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摘要
An emergency opening device for a swinging folding door or a swinging folding gate, using an electric motor drive with a switchable electromagnetic coupling for closing and opening the door panels. The door has an emergency opening device, whereby the emergency opening device consists of an elastic tension or compression device to which a pre-load can be applied during the closing of the door. The tension or compression device can be engaged in the drive shaft of the outer panel or in the vicinity of the main closing edge of the inner panel.
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