MOBILE BOARDING BRIDGE

摘要

The present invention relates to a mobile boarding bridge including an internal tunnel, and an external tunnel which is arranged to surround at least a portion of the internal tunnel from the rear side of the internal tunnel, and which is capable of contraction-moving toward the front of the internal tunnel or expansion-moving toward the rear side of the internal tunnel. The mobile boarding bridge comprises: internal tunnel walking decks which are separately arranged on the floor of the internal tunnel and form a walking passage of the internal tunnel; and external walking decks which are separately arranged on the floor of the external tunnel and form a walking passage of the external tunnel, wherein the external walking decks can be provided at a height between the floor of the internal tunnel and the walking decks of the internal tunnel.