Optical scanning apparatus having light source and holder holding lens and image forming apparatus including optical scanning apparatus

摘要

In accordance with an embodiment, an optical scanning apparatus for exposing a photoconductor includes a light source configured to radiate light, a deflector configured to deflect and scan the light from the light source and guide the light to the photoconductor, a lens configured to guide the light from the light source to the deflector and a holder configured to hold the light source and the lens. The holder includes a first wall portion for holding the light source, a second wall portion for holding the lens, and a pair of third wall portions which are integrally formed with the first and second wall portions to place the light path between the light source and the lens.

主权项

1. An optical scanning apparatus exposing a photoconductor, comprising:
a light source configured to radiate light; a deflector configured to deflect and scan the light from the light source and guide the light to the photoconductor; a lens configured to guide the light from the light source to the deflector; and a housing configured to constitute the exterior of the optical scanning apparatus, a part of the housing including a first wall portion holding the light source, a second wall portion holding the lens, and a pair of third wall portions which are integrally formed with the first and second wall portions to place the light path between the light source and the lens, the upper end of the second wall being formed in a shape matched with the outer edge of the lens, the lens being fixed to the upper end of the second wall with an adhesive, the outer edge of the lens including a first area in contact with the upper end of the second wall and a second area not in contact with the upper end of the second wall that is exposed outside.