US Patent 11851924 Door security device

A door security device may restrict movement of a swinging door. The security device may include first and second door members and a connecting member. The first and second door members may be mounted to first and second door panels, respectively. The first and second door members include first and second slots, respectively. The connecting member has first end with a shape configured to mate with the first and second slots to permit the first end to slide into the first and second slots such that the connecting member extends out of the first slot and the second slot through openings in the first outer face and the second outer face.