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US 7,679,801 B2Granted
Optical deflector, method of manufacturing optical deflector, optical scanning apparatus, and image forming apparatus
AssigneeRicoh Company, Ltd.
InventorYukio Itami
Life of this patent
Estimating the term…
Abstract
An optical deflector is disclosed that includes a rotary shaft; plural rotary polygon mirrors laminated in an axis direction of the rotary shaft, the rotary polygon mirrors having reflection surfaces and the reflection surfaces of one rotary polygon mirror and those of another rotary polygon mirror facing in different directions; and a joining section provided between the rotary polygon mirrors. In the optical deflector, the joining section is integrally formed with at least one of the rotary polygon mirrors.
Claims12
An optical deflector, comprising:
- a rotary shaft;
- plural rotary polygon mirrors laminated in an axis direction of the rotary shaft, the plural rotary polygon mirrors having reflection surfaces, the plural rotary polygon mirrors including a first rotary polygon mirror and a second rotary polygon mirror, and each of the reflection surfaces of the first rotary polygon mirror and the second rotary polygon mirror facing a different direction;
- and
- a joining section provided in an interval in a direction of the rotary shaft between the plural rotary polygon mirrors,
- wherein the joining section is integrally formed with at least one of the plural rotary polygon mirrors.
2 more elements
An optical deflector, comprising:
- a rotary shaft;
- plural rotary polygon mirrors having reflection surfaces, the plural rotary polygon mirrors including a first rotary polygon mirror and a second rotary polygon mirror, and each of the reflection surfaces of the first rotary polygon mirror and the second rotary polygon mirror facing a different direction;
- and
- a joining section provided in an interval in a direction of the rotary shaft between the plural rotary polygon mirrors,
- wherein the plural rotary polygon mirrors and the joining section are formed as an integrated rotating body and fixed to the rotary shaft.
2 more elements
Dependencies are inferred from the claim text.