Developing device in an image forming apparatus for removing particulate material from the developer
AssigneeMinolta Co., Ltd.
InventorsMasataka Yagi, Tamotsu Sakuraba, Akihiro Kawasaki
Life of this patent
Estimating the term…
Abstract
An image forming apparatus which is provided with a developing device having a rotatable developing member opposite to a rotatable photoreceptor at a developing region for transporting a developer to bring the developer into contact with the photoreceptor at the developing region, and a paper particle removing member provided at a downstream side from the developing region with respect to a rotational direction of the developing member for removing paper particles from the developer held on the developing member.
Claims35
A mono-component developing device which collects a developer remained on a photoreceptor without being transferred to a recording sheet in an image forming apparatus, said mono-component developing device comprising:
- a rotatable developing member opposite to the photoreceptor at a developing region, and which transports the developer while holding the developer thereon to bring the developer into contact with the photoreceptor at the developing region;
- a paper particle removing member in pressing contact with the developing member at a downstream side from the developing region with respect to a rotational direction of the developing member, and which removes paper particles from the developer collected by the developing member;
- and
- a seal member one end of which contacts with the developing member while the other end of which contacts with the surface of said paper particle removing member.
An image forming apparatus comprising a developing device which collects a developer remained on a photoreceptor without being transferred on a recording sheet, said developing device comprising:
- a casing which accommodates the developer therein;
- a rotatable developing member opposite to the photoreceptor at a developing region, and which transports the developer in the casing while holding the developer thereon to bring the developer into contact with the photoreceptor at the developing region;
- and
- a paper particle removing member provided in the casing which removes paper particles from the developer collected and transported into the casing by the developing member and configured so as to prevent the removed paper particles from mixing with the developer in the casing.
A developing device which develops an electrostatic latent image formed on a photoreceptor in an image forming apparatus, said developing device comprising:
- a rotatable developing member opposite said photoreceptor at a developing region and holding a developer thereon, said developing member bringing the developer into contact with the photoreceptor at said developing region;
- and
- a paper particle removing member in contact with the developing member at a downstream side of the developing region with respect to a rotational direction of the developing member and formed of an elastic material, and which removes paper particles from the developer held on the developing member.
A paper particle removing member for removing paper particles directly from a developer on a roller in a developing device that transfers the developer to a photoreceptor, said paper particle removing member being formed of an elastic material with a foam structure sponge construction.
Dependencies are inferred from the claim text.