Track transport system for loading and unloading an airplane galley

A track transport system comprising a transport carriage adapted to accept and to contain an associated carriage, the transport carriage comprising:

• two shaped-profile rails engaged with the transport carriage;
• a base plate having at least two guide rails, the guide rails being adapted to limit the movement of the associated carriage by confining twin wheels thereof;
• side walls inserted into the shaped-profile rails, the side walls including a first elongated side wall and a second elongated side wall parallel to and offset from the first elongated side wall, each side wall having
• a lateral sail chamber,
• a cable chute incorporating a cable guide therein,
• a spindle displaced within a spindle tube,
• wheels operationally engaged with the transport carriage and adapted for rolling transport of the transport carriage, and operationally engaged with a parking brake;
• a first assembly having:
• a first elongated profile rail engaged with a first elongated toothed track,
• a second elongated profile rail engaged with a second elongated toothed rail wherein the first and second elongated profile rails are connected by a plurality of laterally extending connecting bars,
• an L-shaped angle engaged across the connecting bars,
• a transport track slidably engaged with the first elongated profile rail and the second elongated profile rail through a first wheel suspension with a first caster, the first caster being movably engaged with the first elongated profile rail, and a second wheel suspension with a second caster, the second caster being movably engaged with the second elongated profile rail;
• and
• a second assembly adapted to modify the transport carriage width including:
• the first side wall,
• the second side wall,
• a first elongated transverse joint,
• a second elongated transverse joint,
• a third elongated transverse joint, and
• a fourth elongated transverse joint,
• wherein the first elongated transverse joint, the first side wall, the second elongated transverse joint, and a first elongated longitudinal bar are operationally engaged to form a first parallelogram linkage, and wherein the third elongated transverse joint, the second side wall, the fourth elongated transverse joint, and the first elongated longitudinal bar are operationally engaged to form a second parallelogram linkage.