Patent ID: 6932140

Claim:
A cordless Venetian blind structure comprising: a lower beam having a pair of clamps securely sealed at two ends thereof, each of the pair of clamps selectively engaging one of a left and a right retaining cord inserted through a bottom of the lower beam to be connected to a windowsill; a retaining unit and a control unit mounted to a middle section of the lower beam, the control unit controlling the retaining unit; and a control cord inserted through the retaining unit and the control unit and connected at opposing ends thereof to an inner side of each of the pair of clamps; wherein, in operation, when the control unit is pushed inwards to draw in both ends of the control cord and compress spring elements located in each of the pair of clamps moving the pair of clamps to an open position such that the pair of clamps release the left and right retaining cords for adjusting the Venetian blind up and down to a predetermined position; when a pushing force is removed, the clamps move to a closed position, clamping tight the retaining cords such that the Venetian blind is held at a predetermined position.