Device in machines for the marking of workpieces

A device for machines adapted for marking a workpiece with characters or other symbols during a marking operation, said machines being of the type comprising a marking tool which applies the symbols to the workpiece and means for the selection of symbols and control of the movements of the tool in order to obtain a predetermined shape and size of the symbols, said device characterized by a lower frame part (1) for receiving said workpiece (7), an upper frame part (2) arranged on said lower frame part and means (3a, 3b, 4a, 4b) for connecting said frame parts for raising and lowering said upper frame part relative to said lower frame part (1), said upper frame part supporting the marking tool (43) and the symbol selection and control devices (36-42, 47-52, 69-74) and being arranged, during the marking operation, to rest on the workpiece (7) and clamp said workpiece (7) against the lower frame part (1), said upper frame part (2) having an opening (44) through which the marking tool works on the workpiece (7).