Image forming apparatus, and scanning optical unit and optical element used for the apparatus
US7808689B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Mar 30, 2007 |
| Grant date | Oct 5, 2010 |
| Priority date | — |
| Expiry date | Apr 5, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/473
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In an image forming apparatus in which light fluxes emitted from at least two light sources are brought close to one another to be allowed to enter the rotating reflector 35 to be allowed to scan the photoreceptor 39, the cylindrical lens presser spring 12 provided on the cylindrical lens supporting member 10 is positioned such that the lens presser spring 12 pushes the cylindrical lens at a position so that the light fluxes enter the cylindrical lens at ranges extending toward both strides from the lens presser spring 12.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.