Rack apparatus for portable thermal sublimation printer

A rack apparatus for a thermal sublimation printer, comprising:

• a platen roller;
• platen roller for pressing a printing medium;
• a pickup roller;
• a take-up unit driving unit for taking-up a ribbon;
• a rack having a rack gear configured to slide in the thermal sublimation printer;
• an inclined shape wedge attached at one side of the rack configured to lift the platen roller when the rack slides;
• a swing gear accommodated at a one side of the take-up gear;
• a swing lever which rotates the swing gear when the rack slides, and transmits or cuts a power to the take-up unit driving unit;
• and
• a pickup roller driving unit configured to lift or lower the pickup roller located above a cartridge housing in which the printing medium is loaded when the rack slides, thereby the rotation of the swing lever and the lifting and lowering of the pickup roller are operated in conjunction with the lifting and lowering of the platen roller.