A coffee maker comprises a filter basket assembly that enables two coffee dispensing modes. The assembly comprises a filter basket, an actuator that cooperates with a carafe and a motor driven valve. The actuator stops coffee from dispensing when the carafe is removed, but can be defeated by the use
A coffee maker comprises a filter basket assembly that enables two coffee dispensing modes. The assembly comprises a filter basket, an actuator that cooperates with a carafe and a motor driven valve. The actuator stops coffee from dispensing when the carafe is removed, but can be defeated by the user to dispense into a cup or mug when the carafe is absent.
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1. A coffee making apparatus for making drip filter coffee, the apparatus having both a carafe mode configuration and a single serve mode configuration, the apparatus comprising: a chassis having a filter basket body for holding a coffee filter; the filter basket body having a lower surface in which
1. A coffee making apparatus for making drip filter coffee, the apparatus having both a carafe mode configuration and a single serve mode configuration, the apparatus comprising: a chassis having a filter basket body for holding a coffee filter; the filter basket body having a lower surface in which there is a through opening comprising a valve seat;a valve member that cooperates with the valve seat, the valve member being biased into a normally closed position with respect to the valve seat;an actuator resides below the through opening and is coupled to the valve member for moving the valve from the closed position into an open position;a mode selection dial being movable to either one of the carafe mode configuration or the single serve mode configuration; wherein the mode selection dial is mechanically coupled to the actuator;wherein, with the mode selection dial in the carafe mode configuration, the valve member can move to a closed position and the actuator operates to moves the valve member to the open position;wherein, with the mode selection dial in the single serve mode configuration, the mode selection dial abuttingly engages the actuator to maintain the valve member in a partially open position; andwherein the mode selection dial is biased to the carafe mode configuration; such that, with the mode selection dial in the single serve mode configuration, movement of the actuator releases the mode selection dial to move under bias to the carafe mode configuration. 2. The apparatus according to claim 1, wherein the mode selection dial is a rotating selection dial located beneath the filter basket body. 3. The apparatus according to claim 2, wherein the mode selection dial comprises a central opening that can accommodate a rim of the actuator. 4. The apparatus according to claim 3, wherein the mode selection dial is biased to rotate to select the carafe mode by a dial return tension spring. 5. The apparatus according to claim 4, wherein the return tension spring extends between a first return spring post carried by the filter basket body and a second return spring post located proximal to central opening of the mode selection dial. 6. The apparatus according to claim 4, wherein the actuator has a cam follower that cooperates with a ramp cam surface on the mode selection dial, such that rotation of the mode selection dial caused the cam follower to ride up the ramp to raise the actuator and thereby move the valve member to the partially open position. 7. The apparatus according to claim 6, wherein in the single serve mode, the valve partially clears the output opening of the filter basket, allowing brewed coffee to be dispensed at a slower rate than in the carafe mode. 8. The apparatus according to claim 6, wherein the cam follower is located on a tab that extends outwardly from the rim of the actuator. 9. The apparatus according to claim 6, wherein the cam follower defines a male reset detail having a sloped face that acts as a cam slave; and the ramp has a female reset detail that is adapted to cooperate with the male reset detail to retain the mode selection dial in the single serve mode against the bias. 10. The apparatus according to claim 9, wherein in the carafe mode, insertion of a carafe pushes against the actuator to moving the valve toward the open position, and thereby releasing the engagement between the actuator and the mode selection dial. 11. The apparatus according to claim 1, wherein in the carafe mode, insertion of a carafe pushes against the actuator thereby moving the valve to the open position. 12. The apparatus according to claim 11, wherein in the single serve mode, insertion of a carafe pushes against the actuator thereby releasing the mode selection dial and enabling the bias to return the mode selection dial to select the carafe mode. 13. The apparatus according to claim 12, wherein in the single serve mode, the mode selection dial is releasably retained against action of the bias. 14. The apparatus according to claim 13, wherein in the single serve mode, the valve partially clears the output opening of the filter basket, allowing brewed coffee to be dispensed at a slower rate than in the carafe mode. 15. The apparatus according to claim 14, wherein the actuator has one or more coffee discharge openings in it. 16. The apparatus according to claim 14, wherein the actuator has an inverted dome shape. 17. The apparatus according to claim 14, wherein the actuator has a stem around which is formed one or more discharge openings for dispensing brewed coffee. 18. The apparatus according to claim 14, wherein the valve seat and valve member are conical. 19. The apparatus according to claim 14, further comprising a carafe adapted to cooperate with the actuator so as to lift the valve member when the carafe impinges on the actuator. 20. The apparatus according to claim 14, the mode selection dial has a dial arm that extends radially outward and is adapted to activate a switch element; the switch element activates an electronic feature that displays the current mode of operation.
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이 특허에 인용된 특허 (27)
Glucksman Dov Z. (137 Larch Row Wenham MA 01984), Apparatus for brewing coffee.
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