Developing device
AssigneeCanon Kabushiki Kaisha
InventorKensuke Sato
Life of this patent
Estimating the term…
Abstract
A developing device includes a developer carrying member for carrying a magnetic developer to form a developer image on an image bearing member; a developing device frame including a first accommodating chamber for accommodating the magnetic developer and including a second accommodating chamber, in which the developer carrying member is provided, for accommodating the magnetic developer supplied from the first accommodating chamber through a first opening; a removable sealing member for sealing the first opening; and a magnetic seal, provided between a longitudinal end portion of the developer carrying member and the developing device frame. The sealing member is removable through a second opening which is defined at least partly by the magnetic seal.
Claims6
A developing device comprising:
- a developer carrying member for carrying a magnetic developer to form a developer image on an image bearing member;
- a developing device frame including a first accommodating chamber for accommodating the magnetic developer and including a second accommodating chamber, in which said developer carrying member is provided, for accommodating the magnetic developer supplied from said first accommodating chamber through a first opening;
- a removable sealing member for sealing the first opening;
- and
- a magnetic seal, provided between a longitudinal end portion of said developer carrying member and said developing device frame, wherein said sealing member is removable through a second opening which is defined at least partly by said magnetic seal.
A developing device comprising:
- a developer carrying member for carrying a magnetic developer to form a developer image on an image bearing member;
- a developing device frame including a first accommodating chamber for accommodating the magnetic developer and including a second accommodating chamber, in which said developer carrying member is provided, for accommodating the magnetic developer supplied from said first accommodating chamber through a first opening;
- a removable sealing member for sealing the first opening, wherein said sealing member is removable through a second opening;
- and
- a magnetic seal, provided between a longitudinal end portion of said developer carrying member and said developing device frame, for preventing the magnetic developer from moving to an outside of said developing device through the second opening.
Dependencies are inferred from the claim text.