Roller blind system

The roller blind includes a first slat and a second slat, each slat having an inner side and an outer side, a first edge with an engaging track, and a second edge with a receiving track. The receiving track includes a lip member and a guard member spaced apart to form an aperture sized and shaped to receive an engagement track of another slat. The engagement track of the first slat is received in the receiving track of the second slat to form a hinge portion. The hinge portion has a vertical position with a maximum extension of the first and second slats, and the hinge portion is rotatable in a rearward direction from the vertical position. In one embodiment, the engagement track is hook-shaped and includes a curved portion that is arcuate toward the inner side, and a rib portion that is positioned at the first edge and projects from the inner side. 卷帘包括第一板条和第二板条，每个板条都具有内侧和外侧、带有接合轨道的第一边缘，以及带有接收轨道的第二边缘。接收轨道包括唇形构件和防护构件，这两个构件间隔开以形成开孔，该开孔的尺寸和形状设计成接收另一个板条的接合轨道。第一板条的接合轨道接收在第二板条的接收轨道中，以形成铰链部。铰链部具有带有第一板条和第二板条的最大延伸量的竖