Ice maker subassembly for a refrigerator freezer

Details Ice maker subassembly for a refrigerator freezer Ice maker subassembly for a refrigerator freezer

1994-06-17

1995-04-25

Tapolcai, William E.

Refrigeration

Means producing shaped or modified congealed product

Thawing means

249 79, F25C 508

Patent

active

054088445

ABSTRACT:
A subassembly for an ice maker includes a plastic ice cube tray having a housing located within and attached to the refrigerator freezer. The housing has spaced-apart ice cube cavities. An electrically heatable metallic film coating is attached to and generally covers the cavity surfaces. When the cavity surfaces have been heated to detach the formed ice cubes therefrom, in one embodiment, a mechanism is provided to rotate the tray upside down to release the ice cubes. In another embodiment, a fixedly-"upside-down" and semicircular-cylindrical-shaped ice cube tray is placed in a trough, which also has an electrically heatable metallic coating, and a mechanism is provided to rotate the trough to uncover the openings of the ice cube cavities in the tray to release the formed ice cubes when the cavity and trough surfaces have been electrically heated to detach the ice cubes therefrom.

REFERENCES:
patent: 1852064 (1932-04-01), Rosenberg
patent: 2418572 (1947-04-01), Brennan
patent: 2468492 (1949-04-01), Gazda
patent: 3952539 (1976-04-01), Hanson et al.
patent: 4382177 (1983-05-01), Heaney
patent: 4547655 (1985-10-01), Kurata et al.
patent: 4581521 (1986-04-01), Grise
patent: 4725710 (1988-02-01), Ramus et al.
SEARS Kenmore Refrigerator Owner's Manual (51771/51778), pp. 10-11.
"Crescent Cube Ice Maker"-a single page describing an ice maker that has been on sale in the United States since 1985.

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