Optical disc drive having a balancer mounted on a deck

An optical disc drive comprising:

• a main deck;
• a tray mounted movably in a back-and-forth direction on the main deck to load and unload an optical disc into and from the main deck;
• a turntable to rotate an optical disc placed on the turntable;
• an optical pickup mounted movably in the back-and-forth direction to emit light to the optical disc placed on the turntable to read and write information from and to the optical disc;
• a traverse deck on which the turntable is mounted at a front side of the traverse deck and the optical pickup is mounted movably in the back-and-forth direction;
• an optical pickup transport device mounted on one of left or right sides of the traverse deck to move the optical pickup in the back-and-forth direction;
• and
• a balancer mounted on the other side of the traverse deck to balance weights of the left and right sides of the traverse deck and to be slidably movable in the back-and-front direction with respect to the traverse deck,
• wherein a through hole is formed in the balancer to fasten a fastening member to the traverse deck through the through hole and the through hole is elongated in the back-and-forth direction.

An optical disc drive comprising:

• a deck unit;
• a pickup unit movably installed on the deck unit to move in a direction;
• a transport unit to transport the pickup unit in the direction;
• and
• a balancer mounted on the deck unit to balance a weight difference of both sides of one of the pickup unit and the deck unit and to be slidably movable in the back-and-front direction with respect to the deck unit,
• wherein the transport unit is mounted on one of the left and right sides of the deck unit, and the balancer is mounted on the other one of the left and right sides of the deck unit, and
• wherein a through hole is formed in the balancer to fasten a fastening member to the traverse deck through the through hole and the through hole is elongated in the back-and-forth direction.