An ice making tray has a water basin with a thermally conductive floor and a flexible grid positioned therein to define a plurality of ice making compartments. A motor is coupled to the basin to rotate the basin and grid to an inverted position, and a link is coupled between the motor and drive such
An ice making tray has a water basin with a thermally conductive floor and a flexible grid positioned therein to define a plurality of ice making compartments. A motor is coupled to the basin to rotate the basin and grid to an inverted position, and a link is coupled between the motor and drive such that the grid is rotatable out of the basin and is flexed to release ice cubes formed therein.
대표청구항▼
1. An ice maker comprising: a water basin having an upstanding perimeter wall;a flexible grid that engages the water basin proximate the upstanding perimeter wall to define a plurality of ice making compartments;a thermoelectric plate positioned in thermal contact with the water basin to decrease a
1. An ice maker comprising: a water basin having an upstanding perimeter wall;a flexible grid that engages the water basin proximate the upstanding perimeter wall to define a plurality of ice making compartments;a thermoelectric plate positioned in thermal contact with the water basin to decrease a fluid temperature of water disposed within the ice making compartments;a containment wall extending above the upstanding perimeter wall of the water basin; wherein the flexible grid is located proximate a bottom portion of the containment wall; anda link coupled between a drive mechanism and the flexible grid such that the flexible grid is rotated and twisted at least partially out of the water basin, wherein the link defines a linearly extending slot which extends radially outwardly from a drive shaft of the drive mechanism, wherein the flexible grid is biased toward a horizontal ice forming position. 2. The ice maker of claim 1, further comprising: a thermally conductive plate positioned between the thermoelectric plate and the flexible grid, wherein the flexible grid engages a top surface of the thermally conductive plate when the flexible grid is in the ice forming position. 3. The ice maker of claim 2, wherein rotation of the flexible grid by the drive mechanism at least partially separates the flexible grid from the thermally conductive plate. 4. The ice maker of claim 1, wherein the flexible grid is free of an integral bottom wall such that the ice making compartments are at least partially formed by a thermally conductive plate positioned adjacent the flexible grid. 5. The ice maker of claim 1, further comprising: a pin defined within an end wall of the flexible grid that slidably engages the linearly extending slot; andan axle of the flexible grid defined within an opposing end wall of the flexible grid, wherein the axle is pivotally coupled to the containment wall. 6. The ice maker of claim 5, wherein the link engages the pin as the drive shaft rotates beyond a predetermined arc to rotate the flexible grid out of the water basin. 7. The ice maker of claim 5, wherein the flexible grid is molded of a resilient polymeric material that flexes as the flexible grid rotates from the water basin. 8. The ice maker of claim 5, wherein the flexible grid is formed of a polymeric material and the water basin is polypropylene. 9. The ice maker of claim 2, wherein the thermally conductive plate is coupled to a heat sink. 10. The ice maker of claim 9, wherein the heat sink is cooled by cold air delivered along an air-flow path, wherein the cold air removes heat from the heat sink. 11. An ice maker comprising: an ice making tray having a thermally conductive floor with a perimeter edge and a containment wallextending around and above the perimeter edge of the ice making tray;a removable grid located at a bottom portion of the containment wall to selectively define a plurality of ice cube compartments;an axle and a cam coupled to opposing ends, respectively, of the grid, wherein the axle and the cam are offset from a longitudinal axis of the ice making tray;a harvesting mechanism having a drive shaft coupled to the ice making tray to rotate at least a portion of the ice making tray from a horizontal position to at least a partially inverted first position;a link coupled to the drive shaft and extending radially outwardly therefrom to engage the cam of the grid;the harvesting mechanism operating the link to a position beyond the first position such that the cam slides relative to the link to rotate at least one end of the opposing ends of the grid at least partially out of the containment wall, wherein the grid is moved to a twisted position that releases ice cubes from the grid; anda biasing mechanism in communication with the drive shaft of the harvesting mechanism and coupled between the link and the containment wall to bias the grid toward the thermally conductive floor, wherein the grid remains biased toward the thermally conductive floor when the grid is moved beyond the first position toward the twisted position. 12. The ice maker of claim 11, wherein the horizontal position is defined by the grid engaging the thermally conductive floor, wherein the thermally conductive floor selectively defines the bottom of the plurality of ice cube compartments when the grid is in the horizontal position, and where the twisted position is defined by the grid separating from the thermally conductive floor. 13. The ice maker of claim 11, wherein the harvesting mechanism rotates the containment wall to the first position, wherein a stop prevents further rotation of the containment wall beyond the first position. 14. The ice maker of claim 13, wherein the stop is free of engagement with the grid such that continued rotation of the harvesting mechanism beyond the first position defines the twisted position of the grid. 15. The ice maker of claim 14, wherein the first position is a position rotated approximately 120° from the horizontal position. 16. The ice maker as defined in claim 13, wherein the twisted position of the grid is rotated approximately 40° beyond the first position. 17. A tray for use in making clear ice migrating from a floor of the tray upwardly, the tray comprising: a flat and thermally conductive floor having an upwardly extending perimeter wall and a containment wallintegrally molded to the thermally conductive floor such that the upwardly extending perimeter wall of the thermally conductive floor is embedded within the containment wall;a drive mechanism having a link connected thereto;a removable grid located at a bottom portion of the containment wall and defining an array of individual ice cube compartments, the containment wall having a transverse axis;an axle coupled to a first end of the grid and pivotally coupled to the containment wall;a cam coupled to a second end of the grid, wherein the axle and the cam are each offset from the transverse axis, the cam operable relative to the link, wherein the drive mechanism manipulates the cam to rotate the grid to a twisted position characterized by the grid being at least partially separated from the thermally conductive floor; anda torsion spring coupled between the link and the containment wall for holding the grid relative to the containment wall until the drive mechanism rotates the containment wall through a predetermined arc to a first position. 18. The tray of claim 17, further comprising: at least one thermoelectric plate secured to the bottom of the thermally conductive floor. 19. The tray of claim 17, wherein the torsion spring biases the grid to a horizontal position, the horizontal position defined by the grid matingly engaging the thermally conductive floor, wherein the thermally conductive floor cooperates with the grid in the horizontal position to define the array of individual ice cube compartments. 20. The tray of claim 17, wherein sides and ends of the containment wall include upper edge sections that integrally extend from lower diverging sections, and wherein the upper edge sections are substantially vertical.
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