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US 6,549,737 B2Granted
Process unit divided into a plurality of separable units and image forming apparatus using such process unit
AssigneeToshiba Tec Kabushiki Kaisha
InventorsIsao Sano, Hideaki Sugiyama
Life of this patent
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Abstract
A process unit is provided which includes a unit housing having a downwardly opened upper housing and an upwardly opened lower housing. The upper housing and the lower housing are detachably coupled to define a space section. A photosensitive member unit is detachably attached in the upper housing, and a developing device is detachably attached in the lower housing.
Claims7
A process unit comprising:
- a unit housing including a downwardly opened upper housing and an upwardly opened lower housing, the upper housing and the lower housing being detachably coupled to define a space section;
- a photosensitive member unit detachably attached in the upper housing, the photosensitive member unit including at least a case, a photosensitive member attached in the case, and a charging device attached in the case and charging the photosensitive member;
- and
- a developing device detachably attached in the lower housing, the developing device including at least a toner case containing toner, and a developing roller is attached to the toner case and supplying the toner to the photosensitive member.
1 more element
An image forming apparatus comprising:
- an apparatus main body;
- and
- a process unit placed in the apparatus main body,
- wherein the process unit comprises:
- a unit housing including a downwardly opened upper housing and an upwardly opened lower housing, the upper housing and the lower housing being detachably coupled to define a space section;
- a photosensitive member unit detachably attached in the upper housing, the photosensitive member unit including at least a case, a photosensitive member attached in the case, and a charging device attached in the case and charging the photosensitive member;
- and
- a developing device detachably attached in the lower housing, the developing device including at least a toner case containing toner, and a developing roller attached in the toner case and supplying the toner to the photosensitive member.
5 more elements
Dependencies are inferred from the claim text.