a plastic material injection molding machine comprises a mold having at least two mold portions and a handling system adapted to be inserted between the mold portions when the mold is in its open position , for transferring an article between the handling system and a predetermined mold portion . the handling system , moreover , comprises a transfer plate supported loosely therein . the handling system , further , is adapted to approach the predetermined mold portion such that prior to the transfer of the article a first reference means on the predetermined mold portion can be brought into a registering position with a second reference means on the transfer plate . a clutch is provided for bridging the loose support .