Patent ID: 8342089

Claim:
A printing screen unit, comprising: a printing screen, comprising a sheet, at least sections of at least one pair of opposite edges of which include one of engagement apertures or engagement projections; and a supporting frame including at least one pair of interface units which are attached to the at least one pair of opposite edges of the printing screen, wherein the interface units each comprise at least one coupling element which includes the other of engagement apertures or engagement projections for inter-engaging with the one of engagement apertures or engagement projections at a respective one of the opposite edges of the printing screen, and an interface member for engagement to a tensioning mechanism which includes a coupling section which comprises first and second body parts which together define a coupling slot therebetween which receives the at least one coupling element and the respective edge of the printing screen and captively holds the at least one coupling element therein, wherein the coupling slot and the at least one coupling element are configured such that, when fitting the printing screen to the interface unit, the at least one coupling element and the respective edge of the printing screen are slideably fitted into the coupling slot.