Joint equipment and boarding bridge having the same

A boarding bridge for connecting a terminal building with an aircraft, comprising:

• a tunnel having a front end and a rear end connected with the terminal building;
• a rotunda arranged at the front end of the tunnel;
• and
• a joint equipment for joining with an boarding gate of the aircraft, comprising:
• a floor frame having a concave notch at its front end, movably connected to the rotunda;
• a first floor arranged at the opening of the concave notch;
• a sliding plate arranged under the first floor and slidable with respect to the first floor through a slide device arranged under the sliding plate;
• a joining plate rotatablely connected in the front end of the sliding plate;
• a pair of front cover plates rotatably connected to the left and the right ends of the joining plate respectively;
• a pair of rear cover plates rotatably connected to the left and the right ends of the first floor respectively, and wherein the pair of front cover plates are partly lapped over the pair of rear cover plates respectively;
• an activating device for operating sliding movement of the sliding plate with respect to the first floor;
• and
• a pair of turning mechanisms arranged under the left and the right sides of the sliding plate respectively, for turning the pairs of the front and the rear cover plates respectively with respect to the joining plate and the first floor.