| 摘要 |
A door for an apartment house for natural lighting is provided to prevent indoors from darkening by natural light covered with an indoor door by installing lighting rolls, to fulfill the function of a door suitable for protecting private life, and to cut off the inflow of insects and to minimize heat loss in the wintertime. A door(100) for an apartment house for natural lighting includes a base plate(110) installed to a door frame installed to an opening of a wall surface to let people enter and leave the inside of a building and provided with transom windows(111) to let light in and out, many lighting rolls(120) installed between a hinge groove(115) and a slit groove(117) of the base plate rotatively to control the light entering the transom windows selectively, an opening and closing roll(130) inserted to a housing groove(119) of the base plate rotatively to rotate the lighting rolls to let natural light in and out easily, a connecting belt(140) connecting many first connecting gears(127) of the lighting roll and second connecting gears(133) of the opening and closing roll to transfer rotary force of the opening and closing roll to the lighting roll, and a cover plate(150) attached to the front of the base plate to prevent the separation of the many lighting rolls and provided with a wedge projection(155) inserted between the lighting roll and the lighting roll and adhered closely to the outer circumferential surface of the lighting roll to keep the space between the lighting roll and the lighting roll tightly to cut off an inflow of the outside air and various insects. |
