| 摘要 |
Anti-theft door frame with a striking plate lock fixed into the frame (11). A metal plate (21) for anchorage of the striking plate lock in the frame is placed in a cut-out (20) in the frame at the actual frame dimension in an independent, predetermined distance from the striking plate lock. The cut-out has a cross-section corresponding with the plate's narrow side and a depth essentially the same as the measurement of the plate's broad side. Only the narrow side is accessible from the side of the frame which is intended for turning against the frame's fortified opening.<IMAGE> |
