Patent ID: 8842148
Filing Date: 2014-09-23
Classification: G03G

Abstract:
1. An image forming device comprising: an exposure device configured to emit exposure light; and an air flow generator configured to generate an air flow, the exposure device including a heat source that generates heat and a heat sink configured to dissipate the heat, the heat sink including a plurality of fins located inside the air flow, each of the plurality of fins having side surfaces and a top surface, the plurality of fins extend in a direction parallel to a direction of the air flow and being arrayed in a direction orthogonal to the direction of the air flow, and the top surface of each of the plurality of fins increasing in height from an upstream side toward a downstream side in the direction of the air flow, each of the plurality of fins a first region as a height increasing region and a second region as a height constant region, and the heat sink including a partition plate inserted in a slit extending horizontally in the height increasing region of each of the plurality of fins.