Patent ID: 6376953
Filing Date: 2002-04-23
Classification: B82Y,G02B,G11B

Abstract:
A galvano mirror unit, comprising:a galvano mirror; a rotor to which said galvano mirror is mounted; a stator that rotatably supports said rotor for rotation about a rotation axis; first and second center pins provided to said stator; first and second receive members provided to said rotor, which respectively receive said first and second center pins; and a biasing member provided to said stator that biases said first center pin to said first receive member to eliminate backlash between said first center pin and said first receive member, and between said second center pin and said second receive member; said first center pin being in contact with said first receive member and said second center pin being in contact with said second receive member; wherein said biasing member comprises a first plate spring, said first center pin and said first plate spring are mechanically coupled with each other to prevent a deviation of an inclination of said first center pin, said first plate spring has an engaging hole, and said first center pin has a protrusion that fits into said engaging hole.