Measuring dispenser for liquids

Claim 1

IN A LIQUID DISPENSER, A HOUSING; MEANS ON SAID HOUSING FOR ATTACHING A BOTTLE OF LIQUID IN INVERTED POSITION; A HOLLOW MEMBER HAVING UPPER AND LOWER ENDS WITHIN SAID HOUSING THROUGH WHICH LIQUID FROM SAID BOTTLE IS ADAPTED TO PASS; A CUP HAVING AN INLET AND AN OUTLET, SAID CUP BEING REMOVABLY FASTENED TO THE LOWER END OF SAID HOLLOW MEMBER; A RECIPROCABLE PLUNGER WITHIN SAID CUP HAVING A CYLINDRICAL CHAMBER AT THE LOWER END THEREOF; A SEALING RING AT THE LOWER END OF SAID PLUNGER AND ADAPTED TO SEAT ON A SURFACE WITHIN SAID CUP AND SURROUNDING SAID OUTLET; CYLINDRICAL MEANS HAVING PERFORATED SIDE WALLS FORMING PART OF SAID OUTLET, RECEIVED WITHIN AND SLIDINGLY CONTACTING THE INNER WALL OF SAID CHAMBER, SAID CYLINDRICAL MEANS EXTENDING UP INTO SAID CUP FOR GUIDING THE PLUNGER, LIQUID PASSING THROUGH SAID PERFORATED SIDE WALLS WHEN THE PLUNGER IS RAISED; AND A PERFORATED SLEEVE MOUNTED WITHIN SAID CUP WITHIN WHICH SAID PLUNGER RECIPROCRATES AND THAT TELESCOPINGLY COOPERATES WITH THE SIDE WALL OF SAID PLUNGER, SAID PLUNGER CLOSELY FITTING WITHIN SAID SLEEVE.