. . "FIG. 9 is a longitudinal vertical section of the extractor head of FIGS. 1 and 5 taken on a plane ninety degrees displaced from the plane of FIGS. 1 and 5, showing the poppet valve closed like in FIG. 1, but showing the latching mechanism including the latching sleeve and latching balls fully retracted and ready to receive the extractor drum insert of FIG. 2." . .