Ice maker and refrigerator

Abstract

An ice maker includes first and second trays configured to form a plurality of ice chambers configured to make ice, an upper case including a cool air hole through which cool air passes, and a tray opening configured to allow the first tray to contact the cool air passing through the cool air hole, a driver configured to move the second tray, and a connector configured to transfer power of the driver to the second tray, wherein the upper case further includes the cool air guide configured to guide the cool air passing through the cool air hole toward the tray opening.

What is claimed is: 
     
         1 . An ice maker comprising:
 a first tray and a second tray, the first and second trays being configured to come together to define a plurality of ice chambers for making ice;   an upper case that supports the first tray, the upper case defining a cool air hole through which cool air passes and a tray opening through which the first tray comes in contact with the cool air passing through the cool air hole;   a driver configured to move the second tray; and   a connector configured to transfer a movement of the driver to the second tray,   wherein the upper case includes a cool air guide configured to guide the cool air passing through the cool air hole toward the tray opening.