Optical scanning apparatus and image forming apparatus
US9551955B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2015 |
| Grant date | Jan 24, 2017 |
| Priority date | — |
| Expiry date | Dec 15, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0132
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The image forming apparatus includes the optical scanning apparatus configured to scan a surface of an image bearing member provided in an image forming apparatus body with a laser beam. The optical scanning apparatus is inserted through an insertion opening formed in a frame member of the image forming apparatus body and supported by a support member mounted to the frame member. A housing of the optical scanning apparatus has an opening that allows passage of the laser beam, and includes a transparent dustproof member that covers the opening. On the surface side of the housing on which the dustproof member is provided, a plurality of projecting portions projecting with respect to the dustproof member are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.