Baby food feeder

Claim 1

A BABY FOOD FEEDER OF THE CHARACTER DISCLOSED COMPRISING A TUBULAR BODY MEMBER HAVING A UNIFORMLY CYLINDRICAL INNER SURFACE EXTENDING ITS FULL LENGTH WITH FULL DIAMETER OPENINGS AT BOTH ENDS, THE BODY MEMBER BEING ADAPTED FOR CONTAINING A QUANTITY OF FLOWABLE FOOD, A MOUTHPIECE HAVING AN APERTURE THEREIN DETACHABLY MOUNTED ON ONE END OF THE BODY MEMBER AND FORMING AN AIR SEAL THEREWITH, THE OPPOSITE END OF THE BODY MEMBER DEFINING SUBSTANTIALLY THE CORRESPONDING END OF THE DEVICE, AND PERFORMED PISTON MEANS IN THE BODY MEMBER INSERTIBLE THROUGH SAID OPPOSITE END THEREOF AND MOVABLE IN LEADING DIRECTIONS IN THE BODY MEMBER TOWARD FOOD THEREIN, SAID PISTON MEANS INCLUDING A PAIR OF AXIALLY SPACED TRANSVERSE ELEMENTS A LEADING ONE OF WHICH FACES THE FOOD AND ENGAGES THE INNER SURFACE OF THE BODY MEMBER, SAID LEADING ELEMENT INCLUDING A CENTRAL SUBSTANTIALLY PLANAR MAIN PORTION AND A CONICAL PERIPHERAL PORTION FLEXIBLE RELATIVE TO THE CENTRAL PORTION AND INCLINED IN TRAILING DIRECTION RELATIVE TO THE CENTRAL PORTION, SAID LEADING ELEMENT HAVING A POSSIBLE DIAMETER GREATER THAN THE BODY MEMBER DUE TO THE INCLINATION OF THE PERIPHERAL PORTION AND TENDENCY TO SPREADING TOWARD PLANAR POSITION BY FRICTION BETWEEN ITSELF AND THE BODY MEMBER IN MOVEMENT THEREOF IN TRAILING DIRECTION, THEREBY ENABLING MOVEMENT OF THE PISTON MEANS MORE EASILY IN LEADING DIRECTION THAN IN TRAILING DIRECTION, THE TRAILING ONE OF THE ELEMENTS HAVING A PORTION SUBSTANTIALLY PLANAR IN FORM AND A PE-