Medium conveyance path switching device of automated teller machine

A medium conveyance path switching device of an automated teller machine, comprising:

• a support unit located at a branch point of a conveyance path at which a conveying direction for a medium converges from three directions;
• a gate assembly including a plurality of gates to guide the medium to different conveyance paths at the branch point;
• and
• a rotation mechanism configured to selectively rotate the plurality of gates,
• wherein the support unit includes:
• a first support piece having a first through-hole portion;
• a second support piece having a second through-hole portion and disposed on one side of the first support piece;
• a third support piece having a third through-hole portion and disposed on the other side of the first support piece;
• a first bending connection part pivotably connecting one end of the first support piece and the second support piece;
• and
• a second bending connection part pivotably connecting the other end of the first support piece and the third support piece, and
• wherein the first bending connection part has different thicknesses in a direction connecting the one end of the first support piece and the second support piece, and the second bending connection parts have different thicknesses in a direction connecting the other end of the first support piece and the third support piece.