| 摘要 |
According to the present invention, an opening and closing type screen device for a door comprises: an upper transverse frame (10) having a first inner space (12); a left longitudinal frame (20) having a second inner space (22); a right longitudinal frame (30) assembled to a right side of the upper transverse frame (10); a support (40) connecting lower ends of the left longitudinal frame (20) and the right longitudinal frame (30); a winding shaft (50) inserted into the second inner space (22) of the left longitudinal frame (20) to be rotated; a screen (60) of which the upper end is inserted into the first inner space (12) and insertion of the upper end is maintained; a spring (70) applying a rotational force to the winding shaft (50); an opening and closing frame (80) having a lower caterpillar receiving unit (82); a caterpillar (90) where the lower end of the screen (60) of a portion unwound from the winding shaft (50) is inserted and the insertion of the lower end is maintained; and a locking device (100). |
