Apparatus to interface a boarding bridge and a low doorsill airplane

An apparatus to interface a boarding bridge having a first deck and an airplane having a second deck, the apparatus comprising:

• a lower-frame assembly including a plurality of wheel assemblies;
• an upper-frame assembly connected to the lower-frame assembly at a first adjustable height and in a first adjustable pivoting position, the upper-frame assembly including a third deck atop the upper-frame assembly, the third deck including a first deck section and a second deck section;
• a bridge gangplank assembly connected to a first end of the upper-frame assembly to interface the boarding bridge, the bridge gangplank assembly including a fourth deck to connect the first deck of the boarding bridge and the third deck of the upper frame assembly;
• an airplane gangplank assembly connected to a second end of the upper-frame assembly to interface the airplane, the airplane gangplank assembly including at least a fifth deck to connect the third deck of the upper frame assembly and the second deck of the airplane;
• and
• a connection device integrated with the second deck section of the upper-frame assembly to connect with the airplane gangplank assembly, the connection device including a stacked plurality of flange bearings and a plurality of ball bearings partially surrounding the plurality of flange bearings.