Extracting apparatus

Claim 1

A COFFEE BREWING APPARATUS COMPRISING A CONICAL MEMBER WITH THE APEX POINTING DOWNWARD AND FORMING A CONICAL SHAPED CHAMBER FOR SUPPORTING A CONICAL SHAPED FILTER CONTAINING COFFEE GROUNDS AND A POOL OF COFFEE BREW THEREIN DISCHARGING THROUGH A FILTER, DRAINAGE OPENING MEANS IN SAID APEX FOR DRAINING FILTERED COFFEE BREW FROM SAID CHAMBER AT A GIVEN RATE FOR RETAINING BREW IN SAID CHAMBER AND LIFTING COFFEE GROUNDS AS A LAYER, OVERFLOW BREW DRAINAGE OPENINGS CIRCUMFERENTIALLY ARRANGED AROUND SAID CONICAL MEMBER AND SPACED A GIVEN DISTANCE ABOVE SAID APEX TO LIMIT THE HEIGHT OF BREW RETAINED IN THE CHAMBER ON DELIVERY OF WATER TO SAID CONICAL MEMBER AT A GIVEN RATE AND TO BE COVERED BY A FILTER, A LIQUID RESERVOIR MEMBER POSITIONED ABOVE SAID CONICAL MEMBER AND POSITIONED A SUBSTANTIAL DISTANCE ABOVE SAID OVERFLOW OPENINGS FOR HOLDING A DESIRED AMOUNT OF LIQUID, SAID MEMBER HAVING A BOTTOM WITH A NUMBER OF SMALL ORIFICES OF LARGER WATER PASSAGE AREA THAN SAID DRAINAGE OPENING MEANS AND OF A SIZE IN RELATION TO THE SIZE OF SAID DRAINAGE OPENING MEANS TO DELIVER AT A GIVEN RATE A CONTINUOUS STREAM OF LIQUID UNDER PRESSURE FOR FILLING SAID CONICAL CHAMBER WHEN SUPPORTING A FILTER TO FORM A POOL FOR FLOATING COFFEE GROUNDS AS A LAYER, SAID ORIFICES BEING CLUSTERED IN THE CENTER OF THE BOTTOM ABOVE THE APEX FOR DIRECTING THE STREAMS INTO THE CENTER OF THE CONICAL MEMBER TO GRADUALLY REMOVE COFFEE GROUNDS FROM A LAYER OF COFFEE GROUNDS FLOATING ON A BREW RETAINED IN SAID CONICAL MEMBER AND SAID DRAINAGE OPENING MEANS PASSING RESIDUAL BREW DISCHARGING THROUGH A FILTER TO EMPTY THE CONICAL CHAMBER ON CESSATION OF DELIVERY BY STREAMS FROM THE ORIFICES.