Squeeze cap for dispensing liquids in drop units

Claim 1

SQUEEZE CAP FOR DISPENSING LIQUIDS IN DROP BY DROP SEQUEEZE FROM A CONTAINER WHILE THE LATTER IS SO POSITIONED AS TO MAINTAIN A GRAVITATIONAL HEAD OF THE CONTAINED LIQUID ABOVE THE CAP, THE LATTER COMPRISING A BASE PORTION CONSTRUCTED TO BE COUPLED TO THE MOUTH OF THE CONTAINER, AND A TUBULAR NOZZLE PORTION INTEGRAL THEREWITH HAVING AN INWARDLY YIELDABLE RESILIENT SIDE WALL AND PROVIDED WITH AN OPENING IN ITS OUTER END, A VALVE MEMBER WHOLLY CARRIED BY SAID CAP INCLUDING A VALVE POSITIONED EXTERIORLY OF SAID OPENING, OF LARGER SIZE THAN SAID OPENING SO AS NORMALLY TO SEAT AGAINST SAID NOZZLE PORTION ON THE EXTERIOR RIM OF SAID OPENING, A VALVE STEM EXTENDING THROUGH SAID OPENING CONNECTED TO SAID VALVE, AND RESILIENT LEGS DEBOUCHING FROM THE INNER END OF SAID VALVE STEM, HAVING SPACED FOOT PORTIONS ANCHORED IN SAID BASE AND HAVING INTERMEDIATE SALIENT PORTIONS IN OPERATIVE PROXIMITY TO THE SIDE WALL OF SAID NOZZLE PORTION TO BE CONTACTED BY SAID SIDE WALL AND DEFLECTED WHEN SAID SIDE WALL IS SQUEEZED, THEREBY OPENING SAID VALVE, THE DESIGNED AMPLITUDE OF DEFLECTION OF SAID NOZZLE PORTION BEING SUCH AS SOLELY TO OPEN THE VALVE, PERMITTING THE GRAVITATIONAL HEAD OF LIQUID IN SAID CONTAINER TO DISCHARGE THE DROPS, ONE AT EACH OPENING OF THE VALVE.