Image forming apparatus with contact-type charge means
AssigneeCanon Kabushiki Kaisha
InventorsHiroki Kisu, Hiromichi Yamada
Life of this patent
Estimating the term…
Abstract
An image forming apparatus includes a movable image bearing member; and a charging device extending in contact with the image bearing member in a direction crossing with a movement direction of the image bearing member, the charging device including a conductive wire extending in the crossing direction.
Claims58
An image forming apparatus, comprising:
- a movable image bearing member;
- and
- charging means extending in contact with said image bearing member in a direction crossing with a movement direction of said image bearing member, said charging means including a conductive wire extending in the crossing direction;
- wherein said conductive wire, measured along the movement direction of said image bearing member, is more than 5 microns and less than 100 microns.
A process unit detachably mountable to an image forming apparatus, comprising:
- a movable image bearing member;
- and
- a charging means extending in contact with said image bearing member in a direction crossing with a movement direction of said image bearing member, said charging means including a conductive wire extending in the crossing direction;
- wherein said conductive wire, measured along the movement direction of said image bearing member, is more than 5 microns and less than 1000 microns.
An image forming apparatus, comprising:
- a movable image bearing member;
- and
- a charging wire extending in contact with said image bearing member in a direction crossing with a movement direction of said image bearing member, said charging wire including a conductive wire;
- wherein said conductive wire, measured along the movement direction of said image bearing member, is more than 5 microns and less than 1000 microns.
A process unit detachably mountable to an image forming apparatus, comprising:
- a movable image bearing member;
- and
- a charging wire contactable to said image bearing member and extending in a direction crossing with a movement direction of said image bearing member to electrically charge said image bearing member, said charging wire including a conductive wire;
- wherein said conductive wire, measured along the movement direction of said image bearing member, is more than 5 microns and less than 1000 microns.
An image forming apparatus, comprising:
- a movable image bearing member;
- and
- charging means extending in contact with said image bearing member in a direction crossing with a movement direction of said image bearing member, said charging means including an electrode extending in the crossing direction;
- wherein said electrode, measured along the movement direction of said image bearing member, is more than 5 microns and less than 1000 microns.
A process unit detachably mountable to an image forming apparatus, comprising:
- a movable image bearing member;
- and
- charging means extending in contact with said image bearing member in a direction crossing with a movement direction of said image bearing member, said charging means including an electrode extending in the crossing direction;
- wherein said electrode, measured along the movement direction of said image bearing member, is more than 5 microns and less than 1000 microns.
Dependencies are inferred from the claim text.