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US 10,310,407 B2Granted
Development device and image forming apparatus
AssigneeKYOCERA Document Solutions Inc.
InventorNobuhiro Maezawa
Life of this patent
Estimating the term…
Abstract
A development device includes a developer carrier, a blade and a cover. The developer carrier carries a developer containing a toner. The blade regulates a thickness of the developer carried on the developer carrier. The cover includes a cover main body covering an outer side of the blade and a facing rib protruding from an inner face of the cover main body and facing the developer carrier at an interval. A storage space to store the toner which contacts the facing rib and falls is formed below the facing rib.
Claims11
A development device comprising:
- a developer carrier carrying a developer containing a toner;
- a blade regulating a thickness of the developer carried on the developer carrier;
- and
- a cover including:
- a cover main body covering an outer side of the blade;
- and
- a facing rib protruding from an inner face of the cover main body and facing the developer carrier at an interval,
- wherein a storage space to store the toner which contacts the facing rib and falls is formed below the facing rib,
- the cover further includes a reinforcement rib protruding from the inner face of the cover main body below the facing rib, and
- a protruding length of the reinforcement rib from the inner face of the cover main body is shorter than a protruding length of the facing rib from the inner face of the cover main body.
7 more elements
A development device comprising:
- a developer carrier carrying a developer containing a toner;
- a blade regulating a thickness of the developer carried on the developer carrier;
- and
- a cover including:
- a cover main body covering an outer side of the blade;
- and
- a facing rib protruding from an inner face of the cover main body and facing the developer carrier at an interval,
- wherein a storage space to store the toner which contacts the facing rib and falls is formed below the facing rib,
- the cover further includes a restriction rib protruding from the inner face of the cover main body, and
- the restriction rib comes into contact with the blade.
7 more elements
A development device comprising:
- a developer carrier carrying a developer containing a toner;
- a blade regulating a thickness of the developer carried on the developer carrier;
- and
- a cover including:
- a cover main body covering an outer side of the blade;
- and
- a facing rib protruding from an inner face of the cover main body and facing the developer carrier at an interval,
- wherein a storage space to store the toner which contacts the facing rib and falls is formed below the facing rib, and
- a protruding length of the facing rib from the inner face of the cover main body is from 0.1 mm to 3.0 mm inclusive.
6 more elements
Dependencies are inferred from the claim text.