Cooking apparatus

A cooking apparatus, comprising:

• a cooking apparatus main body that includes a heating chamber;
• and
• a door opening and shutting part that openably and closably locks the object-to-be-heated take-out opening of the heating chamber to shut the take-out opening, and removes the locked state of the take-out opening to open the take-out opening,
• wherein the door opening and shutting part includes:
• a handle which opens and shuts an opening and shutting door;
• and
• a door key which is provided on the opening and shutting door so as to be movable in the longitudinal direction thereof in conjunction with an opening and shutting operation of the handle, and is integrally formed with first and second engaging portions, the first and second engaging portions respectively being provided on the two portions of the door key spaced a predetermined distance from each other in the longitudinal direction of the door key so as to project toward the heating chamber;
• wherein the cooking apparatus main body includes a door hook which holds the door key by engaging with the first and second engaging portions, which are inserted into the cooking apparatus main body when the opening and shutting door is shut;
• wherein the door hook includes first and second switches which respectively switch so as to electrically conduct a power supply circuit for heating the heating chamber by carrying out depressing operations of the first and second engaging portions when the door hook is engaged with the first and second engaging portions;
• and
• wherein a play in a connecting portion between the handle and the door key is set as a distance which corresponds to a distance that the door key moves in the longitudinal direction thereof when the opening and shutting door is switched from an opened state to a shut state.