| 摘要 |
A device (3) is arranged for alarming of a shutter (1) such as a door or window. The shutter (1) is bolted to a frame (2) by means of at least one locking bolt (23). The locking bolt (23) extends between the shutter (1) and the frame (2) via an intermediate air gap (30). The shutter (1) and the frame (2) have an outside (27) that is faced from a room (32) closed by the shutter (1). The device (3) comprises an alarm circuit (16) that bursts when affected by breaking and co-operation of the members that are included in the device (3). The mentioned device (3) is mounted on the outside of the frame (2) and/or the shutter (1) in connection with the longitudinal air gap (30) between the frame (2) and the shutter (1) on the lock side. |
