Patent attributes
Provided is an ice maker. The ice maker includes a tray member comprising an upper tray having an upper shell and a lower tray having a lower shell. The ice maker also includes a driving unit disposed on a side of the tray member and configured to linearly move, in a vertical direction, at least one of the upper tray and the lower tray to change between an attached orientation in which the upper shell is attached to the lower shell to define a spherical shell and a separated orientation in which the upper shell is separated from the lower shell. The ice maker further includes an ejecting unit that is disposed on a side of the tray member and that is configured to facilitate separation of an ice piece made in the spherical shell from at least one of the upper tray and the lower tray.
