Patent ID: 8749837
Filing Date: 2014-06-10
Classification: G02B

Abstract:
1. A light scanning device, including: a rotating multifaceted mirror that deflects a light beam from a light source section and scans a scanned face using the light beam; a lens for focusing onto the scanned face the light beam that has been deflected and scanned by the rotating multifaceted mirror; a motor for driving rotation of the rotating multifaceted mirror, the motor having a rotating shaft to which the rotating multifaceted mirror is secured; and a housing for housing the lens, the rotating multifaceted mirror, and the motor, the housing having a bearing section for rotatably supporting the rotating shaft of the motor; the bearing section having: a first fitting section of circular shape rotatably supporting the entire outside peripheral face of the rotating shaft; a second fitting section extending towards an outer edge of the housing from the peripheral edge of the first fitting section, and having an arcuate face formed to identical radial length as the first fitting section; and a heat-radiating section adjacent to the second fitting section in the circumferential direction, the heat-radiating section formed by a slot cut out in a predetermined direction, and adapted to expose a portion of the outside peripheral face of the rotating shaft through the housing.