Charging device in which charging member is contactable with and separable from charged member
AssigneeCanon Kabushiki Kaisha
InventorIchiro Terada
Life of this patent
Estimating the term…
Abstract
A charging device for charging a charged member includes a charging member for contacting the charged member to charge the charged member. A contact-separation device is provided for contacting/separating the charging member to/from the charged member. A power supply device supplies power to the charging member, in which a power supply path can be opened. The power supply device is constituted so that when the charging member contacts the charged member, the power supply path is closed, and when the charging member is separated from the charged member, the power supply path is opened.
Claims8
A charging device for charging a member to be charged, comprising:
- a charging member for contacting the member to be charged to charge the member to be charged;
- contact-separation means for contacting said charging member to said member to be charged and separating said charging member from said member to be charged;
- and
- power supply means provided with an openable power supply path for supplying electric power to said charging member,
- said power supply means being constituted so that when said charging member is in contact with said member to be charged, the power supply path is closed, and whensaid charging member is out of contact with said member to be charged, the power supply path is opened.
Dependencies are inferred from the claim text.