Lid open-close-apparatus

The present invention relates to a lid open-close apparatus having a lid openably mounted in a concave portion, which is provided at a vehicle side, a lock device for locking said lid in a closed state with respect to said concave portion, and an operating element, which is disposed at said vehicle side close to said concave portion, for releasing a locking of said lock device, wherein said lock device has a lock piece, which is usually elastically pushed to project into said concave portion and locks said lid in the closed state with respect to said concave portion; said operating element has: a push button adapted to be pushed in a pushing direction; a slide bar, which is slidable in a sliding direction perpendicular to the pushing direction and is caused to slide by said push button; and a pusher attached to said slide bar, the pusher adapted to push a receiving portion, which is provided in a part interconnected to said lock piece, to thereby release the locking of said lock piece.