| 摘要 |
According to the present invention, an openable balustrade for a building comprises: a fixated balustrade installed in both side of a window frame disposed in an apartment house to form a veranda or a balcony, provided with a plurality of fixing support parts installed in a bottom surface of the window frame, and a fixing bar connecting the fixing support parts; an openable balustrade including a plurality of opening support parts extended from a rotary shaft rotatably installed in the window frame to be connected to the fixated balustrade or separated from the fixated balustrade, and an opening bar connecting the opening support parts; a driving gear rotatably installed in a bottom of the window frame; a driven gear installed in the rotary shaft and geared with the driving gear; a lever member extended from a drive shaft of the driving gear to the outside of the bottom of the window frame; an opening prevention unit including a fixing shaft installed in the fixing bar to be emerged to connect or separate the opening bar and the fixing bar and inserted into a different fixing bar by penetrating the opening bar, a pressing panel disposed on the fixing shaft, a spring disposed between the pressing panel and the window frame and pressing the fixing shaft towards the opening bar, a release lever extended from the fixing shaft to the outside of the fixing bar, a sliding hole unit formed on the fixing bar lengthwise in a longitudinal direction to slidably insert the release lever thereinto, and a curved groove unit formed by curving an end of the sliding hole unit to one side to stop and mount the release lever therein; and a binding unit installed in an inner wall of the window frame to fixate the lever member on an inner wall of the window frame, unbinding the lever member by an operation of a worker. |
