Cutter for shortening blinds

A cutter for shortening blinds of the type having a top rail, a bottom rail and a plurality of slats suspended therebetween, the cutter comprising a framework, a stationary matrix fixed with respect to the framework and comprising a first opening for receiving the top rail of the blinds, at least one second opening for receiving the slats in a compacted position, and a third opening for receiving the bottom rail, said openings being spaced apart in a longitudinal direction, the first and third openings having shapes corresponding with the cross-sectional shape of the respective top and bottom rails;

• a support member slidably mounted with respect to the matrix for motion in said longitudinal direction of the openings and comprising a first blade for cutting only the top rail, at least one second blade for cutting only the slats and a third blade for cutting only the bottom rail, and displacing means for displacing the support member along its slidable mounting with respect to the matrix to cut said top rail, slats and bottom rail with said blades, respectively.