Abstract: A bracket for mounting the head rail of a venetian blind to a support surface of a window opening. The head rail is 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 the tangs release the channel member.

Abstract: A mounting bracket which is simple, economic to manufacture and easy to install for the detachable mounting the head rail of a venetian blind assembly in a window opening or the like. In one form the bracket is of box-like configuration having panels with means for securing it to the side, top or front support surface of the window frame, a hinged front panel permitting pivoting from an open position to receive the ends of the head rail and locking means for latching the front panel in a closed position with the head rail in place. In another form, the bracket has flexible legs with tangs to engage with longitudinal ribs in the head rail and is pivotally mounted to release from the head rail when desired. Other features include a bumper insert for the head rail to resist transverse displacement when raising and lowering the blind and a novel control rod and ladder string arrangement facilitating complete closing of all the slats.

Abstract: Method and apparatus for forming ladders for venetian blind assemblies comprised of elongated spaced vertical cords and a plurality of longitudinally spaced transverse cross pieces extending between the cords. The apparatus includes a frame, a ladder guide mechanism at one end of the frame including means for spacing the cords apart. Adjacent the guide mechanism is a gathering block having an opening through which the cords engage in close side-by-side relation. Adjacent and downstream of the gathering block is stapling means for securing the vertical cords together. Further downstream of the stapling station is measuring means in the form of an elongated measuring stock or tape so that as the ladder material is advanced through the apparatus, the operator may position the front end at a selected point along the measuring tape and make a visual determination of the of the desired length of a given ladder assembly.