Door device equipped with lock

A door device equipped with a lock, comprising:

• a door having a door projection provided on a back surface thereof;
• a panel having an opening for mounting therein said door;
• a lock mounted to said panel and having a rotating shaft, said rotating shaft being allowed to rotate between an opened position of the door and a closed position of the door by inserting and rotating a key, said key being allowed to be extracted only at the closed position of the door;
• a cam mounted to the rotating shaft of said lock and rotating between the opened position of the door and the closed position of the door in linkage with said rotating shaft;
• and
• an oscillating strip having an oscillating projection and oscillating between a first position and a second position, said strip contacting said door projection and moving to the first position when said door is closed and moving to the second position when said door is opened, wherein
• when said oscillating strip is in the first position, the oscillating projection and a projection of said cam do not contact, and when said oscillating strip is in the second position, the oscillating projection and the projection of said cam contact to each other whereby the rotation of said cam is suppressed and the rotation of said lock is restricted in the opened position of the door.