Patent ID: 7113314

Claim:
An image reader having a full rate carriage on which a light source lamp and a first reflector are mounted and including a support structure for supporting reflectors on a half rate carriage on which a second reflector and a third reflector are mounted, said light source lamp for irradiating an original with light beams while moving said carriages along the original to read the reflected light beams as image data after reflecting said light beams on said first reflector, said second reflector, and said third reflector in sequence, wherein said support structure comprises: said second reflector positioned such that an angle between a reflecting surface of said second reflector and an optical path from said first reflector to said second reflector is greater than 45° and less than 90°; and said third reflector positioned such that an angle between the reflecting surface of said second reflector and a reflecting surface of said third reflector is 90°.