Bail-out operating mechanism and the back matter bail-out surface grid null in the back matter surface grid and the back matter surface

摘要

PURPOSE: To attain opening from the indoor side by mutually fixing a vertical frame body and a horizontal frame body, forming a through-hole in the wall direction into a play space in the sash-frame body side interior direction and moving an engaging bar installed in the wall width direction toward the indoor side. ;CONSTITUTION: The shaft section 28 of an engaging bar 10 is engaged with the upper indoor side end of a guide hole 27 for an engaging plate 21 under the state of a vertical position to the engaging bar 10 of a control lever 17. The control lever 17 is arranged on the same axis as the engaging bar 10, and an operating bar 20 in the control lever 17 is projected to a front section on the indoor side from the front end section of the control lever 17 under the state, in which the operating bar 20 is made eccentric. The operating bar 2 is pulled on this side toward the indoor side, and the engaging bar 10 is Moved toward the indoor side together with the operating bar 20. The front end of the engaging bar 10 is separated from a bar inserting engaging hole formed to a face grating body by the movement at that time, and the states of insertion and engagement are released. Accordingly, the face grating body is opened at the time of a disaster such as a fire, and persons positioned on the inside can escape to the outdoors from an opening section.;COPYRIGHT: (C)1995,JPO