|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||99/287 ; 99/289T ; 99/289R|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 46 인용 특허 : 0|
A coffee brewing machine which allows the coffee to be more rapidly removed from the lower brewing chamber by providing a vent opening which opens to relieve the vacuum and allows the coffee to be discharged. In one embodiment, the vent opening is opened and closed by a plug on the upper brewing chamber. On another embodiment the vent hole is opened and closed by an actuator. In a third embodiment, a portion of the coffee filter serves as the vent hole.
Apparatus for brewing a beverage comprising, in combination: an upper chamber for receiving and containing hot water in a brewing material and having an open lower end, a lower chamber having an open upper end and a drain opening in a lower portion thereof, a filter mounted over the upper end of said lower chamber preventing passage of the brewing material, means for providing relative movement between said lower chamber and said upper chamber to move said chambers between a first position wherein said filter is clamped between said lower end of said upp...