US Patent 11866992 Cordless operating safety blind

The present invention relates to a safety blind that operates without a cord. More specifically, there is no danger of safety accidents because a lifting cord inserted into a fabric tube of a leather cord is not exposed to the outside, the lifting and tilting operation of an entire slat can be easily and simply performed by operating a lower slat, and a driving unit can be applied to Venetian blinds, roll blinds, and various blinds.