an arrangement for actuating laminas on a wave - type loom , in which the laminas are held individually by a coupling body which extends over the width of the loom , the driving of the laminas taking place by drive means arranged closely alongside each other over the width of the loom and act on the coupling body and are coupled with drive cams , the drive means being so dimensioned that the part acting on the coupling body is several times the thickness of a lamina .