Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
E05B13/00—Devices preventing the key or the handle or both from being used
E05B13/04—Devices preventing the key or the handle or both from being used shaped as fork-like implements grasping and fixing the key or a handle, e.g. a thumb-turn
Feuermelder mit Fangvorrichtung, bei dem beim Ziehen eines Griffes im Innern des Gehaeuses zwei Fangarme sich schliessen und den Arm des Melders bis zur Loesung durch die Feuerwehr festhalten