Robot having dust minimizing cable arrangement

A robot comprising:

• a base:
• a column installed to said base;
• a first arm of which one end is rotatable coupled to said column and having at least one through hole;
• a second arm pivotally coupled to the other end of said first arm and having at least one though hole;
• a third arm installed to be capable of rotating with respect to said second arm;
• first and second driving means installed at said first arm, for driving said first arm and said second arm, respectively;
• a cable extended through a cavity formed inside said base, said column, and said first, second, and third arms and connected to said first, second, and third driving means through said respective through holes formed in said first and second arms:
• and
• a cable supporting means which is installed on top of said column in the cavity of said first arm, said cable supporting means comprising:
• a bracket having a circular upper plate, a circular lower plate having a through hole for passing said cable, and a vertical portion connecting said upper plate and said lower late, which are integrally formed;
• a shaft fixed to said upper plate of said bracket;
• a holder rotatably retained by said shaft;
• and
• a ring attached to said holder and through which said cable passes.