Patent ID: 7625052

Claim:
A refrigerator comprising: a main body including at least one chamber; a door selectively opening and closing the chamber; a container accommodated in the chamber, the container being movable along a first direction and along a second direction; a container supporter movably located on a side of the door facing the chamber to support the container; a rotary arm rotatably mounted on a rear of the door, the container being movable along the first direction by moving the door along the first direction, and the container being movable along the second direction by rotating the rotary arm; a motor for driving the rotary arm; a gear connected to a motor shaft of the motor, one end of the rotary arm being connected to the gear for rotation within a predetermined angle to move the container along the second direction and the other end abutted on the container supporter; a roller rotatably located on the other end of the rotary arm to make rolling contact with the container supporter when the motor moves the container supporter along the second direction; and a battery electrically connected to the motor to supply power to the motor.