Safety devices, e.g. detection of obstructions or end positions

Full Title

Power-operated mechanisms for wings (motor-operated accessories in locks for completing closing or initiating opening of a wing E05B17/00) > Safety devices, e.g. detection of obstructions or end positions

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• E05F 15/41 Detection by monitoring transmitted force or torque (E05F15/48 takes precedence); Safety couplings with activation dependent upon torque or force, e.g. slip couplings
• E05F 15/42 Detection using safety edges
• E05F 15/49 specially adapted for mechanisms operated by fluid pressure, e.g. detection by monitoring transmitted fluid pressure (E05F15/47 takes precedence)