Patent ID: 7947935

Claim:
A microwave oven, comprising: a cavity configured to receive food loaded therein; a door configured to open and close a front side of the cavity; at least one latch formed at an inner side of the door; a latch board configured to support the latches at least one latch when the at least one latch is inserted thereinto; a monitor switch and a circuit switch, provided on the latch board, that perform on and off operations to control the microwave oven; a first lever having one end configured to contact the monitor switch and the other end configured to contact the at least one latch, the first lever rotating to turn on or off the monitor switch; a second lever having one end configured to contact the circuit switch and the other end configured to contact the at least one latch, the second lever rotating to turn on or off the circuit switch; and a protrusion part formed at a periphery of the first lever that protrudes from a portion with which the at least one latch comes in contact, such that when the at least one latch is inserted into the latch board, the monitor switch operates before the circuit switch, and when the at least one latch is released, the monitor switch operates after the circuit switch, wherein the at least one latch comprises a latch configured to contact the first lever and a latch configured to contact the second lever and wherein the latch configured to contact the first lever is a flat latch and the latch configured to contact the second lever is a hook latch.