Self-tightening pen means

Claim 1

A FOUNTAIN PEN COMPRISING, AN ELONGATED BARREL HAVING AN OPEN END, AN ELONGATED LENGTH OF ABSORBENT MATERIAL ARRANGED IN AND EXTENDING OVER THE MAJOR PORTION OF THE LENGTH OF SAID BARREL AND PROJECTING FROM SAID OPEN END THEREOF, AN ANNULAR HOLDER MEMBER HAVING SEPARATED PARTS ENCIRCLING AND ENGAGING SAID LENGTH OF ABSORBENT MATERIAL SUBSTANTIALLY THROUGHOUT THE LENGTH OF SAID PARTS, MEANS INSERTABLY MOUNTED IN THE OPEN END OF SAID BARREL POSITIONING SAID HOLDER RELATIVE SAID BARREL WHEN SAID HOLDER IS MOUNTED THEREWITH, SAID HOLDER HAVING A CAMMING SURFACE, MANS MOUNTED ON SAID BARREL AND ENGAGING SAID CAMMING SURFACE OF SAID ANNULAR HOLDER, AND VENT MEANS FOR SAID OUNTAIN PEN COMPRISING AN OPEN CONDUIT PROVIDING UNRESTRICTED GASEOUS FLUID COMMUNICATION BETWEEN THE ATMOSPHERE AND THE INSIDE OF SAID BARREL, SAID MEANS MOUNTED ON SAID BARREL AND SAID CAMMING SURFACE MOUNTED, CONSTRUCTED AND ADAPTED SO TAHT UPON RETRACTING SAID MEANS MOUNTED ON SAID BARREL SAID LENGTH OF ABSORBENT MATERIAL IS ENGAGED SUBSTANTIALLY THROUGHOUT THE LENGTH OF SAID PARTS OF SAID ANNULAR HOLDER TO CLAMP SAID LENGTH OF ABSORBENT MATERIAL IN A PREDETERMINED POSITION.