Patent ID: 8089500
Filing Date: 2012-01-03
Classification: G03B,G03G

Abstract:
1. An optical scanning device, scanning an image carrier with a light beam emitted from an exposure window formed on a housing, for forming an electrostatic latent image on said image carrier, comprising: a shutter member provided on an upper surface of said housing, for opening/closing said exposure window; a link mechanism for sliding said shutter member; a rotating member for operating said link mechanism; and a regulating member provided on said housing, to be engaged with said shutter member; wherein said link mechanism allows sliding of said shutter member so that the exposure window is opened/closed at one end in the longitudinal direction of said shutter member, until said shutter member slid by the operation of said rotating member engages with said regulating member, and allows sliding of said shutter member so that the exposure window is opened/closed at the other end opposite to said one end, after said shutter member engages with said regulating member.