Patent ID: 8497644

Claim:
A refrigerator, comprising: a main body having a storage space in which food is stored at a low temperature; at least one door that selectively opens and closes the storage space; a receiving box provided at a rear of the at least one door and configured to be drawn in and out together with the at least one door; a slide assembly, at least a portion of which is configured to be drawn in and out to guide forward and backward movements of the at least one door; at least one drive motor that provides a driving force to allow the at least one door to be slidingly drawn in and out; a power supply device that supplies power to the at least one drive motor; at least one motor driver that controls a driving of the at least one drive motor; a controller that controls power supplied from the power supply device to the at least one drive motor and primarily blocks the power supplied to the at least one drive motor when an over-load is sensed; a power blocking device installed on a path through which the power is supplied from the power supply device to the at least one drive motor, the power blocking device secondarily blocking the power supplied to the at least one drive motor when the power is not blocked by the controller; and a micom that forcibly blocks the power when the power is not blocked by the power blocking device.