Mounting bracket for venetian blind assembly

A bracket for mounting the head rail of a venetian blind to a support surface of a window opening said head rail being in the form of channel member of U-shaped cross section comprising a base member pivotally mounted to a support surface, a pair of flexible, resilient legs depending from the base member having tangs at their terminal ends engageable with locking beads running the length of the head rail channel and rotatable to a position wherein said tangs release said channel member, the outer terminal portions of said tangs being spaced apart a distance greater than the spacing between said locking beads whereby upon assembly of said bracket means, said legs flex inwardly toward one another upon engagement of said tangs with said beads and then flex outwardly to engage said tangs under said beads.