Surface grid null for extraordinary bail-out

摘要

PROBLEM TO BE SOLVED: To open a face lattice installed to the window opening section of a building quickly and easily at the emergency time. ;SOLUTION: Guide pieces 6, 7 are protruded from the upper and lower end sections of the movable face lattice 4, which is maintained under a closed state at all times but it is opened and moved in the lateral direction at the emergency time and forms an opening section 3 for emergency evacuation between upper and lower guide frames 1, 2, and guide grooves 8, 9 guiding the guide pieces 6, 7 in the lateral direction are formed extending over approximately overall length of the guide frames 1, 2 in the upper and lower guide frames 1, 2. Pull-in grooves 10, 11 pulling in the movable face lattice 4 to the indoor side through the guide pieces 6, 7 when the movable face lattice 4 is brought to a closed state are connected continuously to the guide grooves 8, 9 towards the indoor direction.;COPYRIGHT: (C)1998,JPO