Patent ID: 7361873

Claim:
A microwave oven comprising: a cooking chamber having a bottom plate; a tray linearly traveling in the cooking chamber; a motor providing driving force to the tray; a support disposed between the bottom plate and the tray to support the tray and linearly traveling between a first position corresponding to a leftmost position in the cooking chamber and a second position corresponding to a rightmost position in the cooking chamber; and a linkage transmitting the driving force of the motor to the support such that the support linearly travels, wherein the support includes a guide hole formed in the central area of the support to guide the linear movement of the support, and the linkage contacts with an inner surface of the guide hole in a region to move the support in the right and left directions, and is separated from the inner surface of the guide hole when the support reaches the first position or the second position, to allow the support to stop at the first position or the second position for a predetermined time.