Patent ID: 7477317

Claim:
An adapter device to which a video camera device is to be attached, the adapter device comprising: an adapter body having formed therein a receptacle in which the video camera device is to be installed and having formed at the rear end thereof an opening through which the video camera device is to be inserted; and an electrical connecting mechanism provided on the bottom of the receptacle to electrically connect the receptacle and video camera device, the electrical connecting mechanism including: a connector having provided on a base forming the bottom of the receptacle a terminal block directed toward the rear end of the adapter body, and which is to electrically be connected with a terminal mechanism of the video camera device; a cover member having formed therein a connector opening through which the terminal block of the connector is exposed to outside to cover the perimeter of the connector, and which is slidable in a direction in which the video camera device is to be inserted; and a lid provided pivotably on the cover member and which is forced in a direction to close the connector opening, when the video camera device is inserted from the rear end of the adapter device, the cover member being pressed by the terminal mechanism of the video camera device to slide in the direction in which the video camera device is inserted, the lid being pushed up by the perimeter of the connector to expose the terminal block of the connector to outside through the connector opening so that the terminal mechanism of the video camera device is electrically connected to the terminal block of the connector.