Detection by monitoring transmitted force or torque (E05F15/48 takes precedence); Safety couplings with activation dependent upon torque or force, e.g. slip couplings

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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 > Detection by monitoring transmitted force or torque (E05F15/48 takes precedence); Safety couplings with activation dependent upon torque or force, e.g. slip couplings