Positive shutoff semiautomatic beverage brewer

Claim 1

SEMIAUTOMATIC BEVERAGE BREWING APPARATUS WHICH COMPRISES SUPPORT MEANS, A GENERALLY CLOSED HOT WATER RESERVOIR SUPPORTED BY SAID SUPPORT MEANS AND HAVING THERMOSTATICALLY CONTROLLED HEATING MEANS CONNECTED THERETO FOR MAINTAINING HOT WATER WITHIN THE RESERVOIR AT A BEVERAGE BREWING TEMPERATURE, WATER ENTRY CONDUIT MEANS HAVING AN OPENING LOCATED ABOVE THE RESERVOIR AND COMMUNICATING WITH THE INSIDE OF THE RESERVOIR IN THE LOWER PORTION THEREOF, AND HOT WATER TRANSFER CONDUIT MEANS EXTENDING FROM THE RESERVOIR PROXIMATE ITS TOP TO TO A DISCHARGE HEAD SPACED FROM SAID RESERVOIR AND POSITIONED SO THAT HOT WATER DISCHARGED THEREFROM WILL FLOW THROUGH A BEVERAGE PRODUCING MATERIAL, SAID TRANSFER CONDUIT MEANS INCLUDING VALVE MEANS MOVABLE BETWEEN A CLOSED POSITION WHEREIN IT BLOCKS THE FLOW OF HOT WATER THROUGH SAID TRANSFER CONDUIT MEANS AND AN OPEN POSITION WHEREIN IT ALLOWS THE FLOW OF HOT WATER THROUGH SAID TRANSFER CONDUIT MEANS, SAID VALVE MEANS INCLUDING BIASING MEANS URGING IT TOWARD SAID CLOSED POSITION AND INCLUDING MEANS RESPONSIVE TO THE WEIGHT OF HOT WATER IN A PORTION OF SAID TRANSFER CONDUIT MEANS FOR OPENING THE VALVE MEANS AGAINST THE FORCE OF SAID BIASING MEANS WHEN THE HOT WATER IN SAID TRANSFER CONDUIT MEANS REACHES A PREDETERMINED LEVEL, WHEREBY WATER INTRODUCED INTO SAID ENTRY CONDUIT MEANS WILL DIS-