Belt winder, particularly floating winder for roller shutter fastened to window framework, has two plates which are parallel to each other and has driving motor whose motor shaft runs parallel to plates
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Security system with roller shutter plating which can be wound onto shaft has transmitting device connected to broken-glass sensor and transmits control signals which are characteristic for breaking of glass of sensor
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Fire alarm-controlled shutters
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Unterputzgurtwickler with reduced installation depth
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Control for winders of roller shutter belts
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Improved surface winder for roller shutter belts
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Gurtwickler with integrated belt pulley
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Drive device for window shade, especially a roller blind, has threshold switch whose threshold can be adjusted by hand, and an indicator that immediately shows if brightness exceeds adjusted threshold
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Roller shutters with burglar alarm
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Drive for building security shutter has gear drive mounted between parallel side plates
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Roller shutter drive system with improved friction driving
