Squeeze cap for dispensing liquid in drop units

Claim 1

SQUEEZE CAP FOR ENABLING THE DISPENSING OF LIQUID FROM A CONTAINER SOLELY GRAVITATIONALLY, IN MANUALLY CONTROLLED DROP BY DROP SEQUENCE, SAID SQUEEZE CAP COMPRISING, A BASE PORTION CONSTRUCTED TO BE COUPLED TO THE MOUTH OF A CONTAINER AND A FLEXIBLE NOZZLE PORTION HAVING AN ANNULAR END DEFINING A DISCHARGE OPENING AND FORMING A VALVE SEAT ABOUT THE INNER END OF THE DISCHARGE OPENING, A VALVING UNIT WHOLLY WITHIN SAID BODY MEMBER INCLUDING A VALVE AND OPERATING MEANS THEREFOR, SAID OPERATING MEANS COMPRISING A RESILIENT ARCH MEMBER HAVING OPPOSITE LEGS ANCHORED AT THEIR INNER ENDS IN THE BASE PORTION, EXTENDING LONGITUDINALLY WITHIN THE NOZZLE PORTION IN OPERATIVE CLOSENESS TO THE SURROUNDING WALL OF THE NOZZLE PORTION, SUBJECT TO SQUEEZING PRESSURE FROM OPPOSITE SIDES TRANSMITTED THROUGH SAID WALL, SAID ARCH MEMBER INCLUDING A TRANSVERSE BRIDGE JOINING THE OUTER ENDS OF SAID LEGS AND BEING INTERMEDIATELY CONVERGENT TOWARD THE BASE PORTION FORMING A RE-ENTRANT ANGLE, SAID VALVING UNIT INCLUDING A STEM FIXED TO SAID BRIDGE AT ONE END AT THE APEX OF SAID ANGLE, THE VALVE BEING MOUNTED AT ITS OUTER END, NORMALLY IN CLOSED POSITION AGAINST SAID SEAT, SAID RE-ENTRANT ANGLE BEING COLLAPSIBLE UNDER SQUEEZING PRESSURE TRANSMITTED TO SAID LEGS, THEREBY SHIFTING THE APEX OF SAID ANGLE TOWARD SAID BASE PORTION, OPENING SAID VALVE.