IP Library › Granted Patent US 8,005,406
Granted Patent B2
US 8,005,406 · App. 12/898,995 · Granted Aug 23, 2011

Developer container, developer supplying device, and image forming apparatus

Assignee: Ricoh Company, Ltd.
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Quick Facts
Patent No.
US 8,005,406
App. No.
12/898,995
Granted
Aug 23, 2011
Kind
B2
Abstract

An image forming apparatus for use with a toner container which dispenses toner to the image forming apparatus, depending on an angular position of a rotatable cap of the toner container. The rotatable cap has a handle attached thereto. There is a toner container holder to support the toner container which permits the cap of the toner container to rotate. The image forming apparatus has a cover to selectively cover and uncover the toner container. There is also a device which moves with movement of the cover which interacts with the handle of the toner container.

Claims (60)

1. An image forming apparatus for use with a toner container which dispenses toner to the image forming apparatus depending on an angular position of a rotatable cap of the toner container relative to the image forming apparatus, the rotatable cap having a handle attached thereto, the image forming apparatus comprising:

an image forming section which forms a toner image on a photosensitive surface having a latent image formed by light;

a toner container holder to support the toner container which permits the cap of the toner container to rotate relative to the image forming apparatus;

a cover to selectively cover and uncover a toner container within the toner container holder when the cover is at a closed position and an open position, respectively; and

a member which moves with movement of the cover and which interacts with the handle of the toner container depending on the angular position of the rotatable cap, wherein:

the member comprises a recess to receive the handle when the cover is in the closed position and the handle is an angular position to dispense toner.

2. The image forming apparatus according to claim 1 , wherein:

when the handle is not in the angular position to dispense toner, the cover cannot be fully closed due to interaction with the handle.

3. The image forming apparatus according to claim 1 , wherein:

the recess includes guiding sides which are tapered to rotate the handle towards a center of the recess as the cover is closed.

4. The image forming apparatus according to claim 1 , further comprising:

the toner container.

5. The image forming apparatus according to claim 1 , wherein:

the image forming section forms four toner images using four different colors of toner.

6. An image forming apparatus for use with a toner container which dispenses toner to the image forming apparatus depending on an angular position of a rotatable cap of the toner container relative to the image forming apparatus, the rotatable cap having a handle attached thereto, the image forming apparatus comprising:

an image forming section which forms a toner image on a photosensitive surface having a latent image formed by light;

a toner container holder to support the toner container which permits the cap of the toner container to rotate relative to the image forming apparatus;

a cover to selectively cover and uncover a toner container within the toner container holder when the cover is at a closed position and an open position, respectively; and

a member which moves with movement of the cover and which interacts with the handle of the toner container depending on the angular position of the rotatable cap, wherein:

the member comprises a wall which prevents the rotatable cap from rotating due to a rotational force from a body of the toner container.

7. The image forming apparatus according to claim 6 , wherein:

the image forming apparatus has only one wall to prevent the rotatable cap from rotating in one direction and no wall to prevent the rotatable cap from rotating in an opposite direction.

8. The image forming apparatus according to claim 6 , wherein:

when the handle is not in an angular position to dispense toner, the cover cannot be fully closed due to interaction with the handle.

9. An image forming apparatus for use with a toner container which dispenses toner to the image forming apparatus depending on an angular position of a rotatable cap of the toner container relative to the image forming apparatus, the rotatable cap having a handle attached thereto, the image forming apparatus comprising:

an image forming section which forms a toner image on a photosensitive surface having a latent image formed by light;

a toner container holder to support the toner container which permits the cap of the toner container to rotate relative to the image forming apparatus;

a cover to selectively cover and uncover a toner container within the toner container holder when the cover is at a closed position and an open position, respectively; and

a member which moves with movement of the cover and which interacts with the handle of the toner container depending on the angular position of the rotatable cap, wherein:

the member comprises a guiding projection to contact the handle and rotate the rotatable cap to an angular position to dispense toner, as the cover is closed.

10. An image forming apparatus for use with a toner container which dispenses toner to the image forming apparatus depending on an angular position of a rotatable cap of the toner container relative to the image forming apparatus, the rotatable cap having a handle attached thereto, the image forming apparatus comprising:

an image forming section which forms a toner image on a photosensitive surface having a latent image formed by light;

a toner container holder to support the toner container which permits the cap of the toner container to rotate relative to the image forming apparatus;

a cover to selectively cover and uncover a toner container within the toner container holder when the cover is at a closed position and an open position, respectively; and

means, which moves with movement of the cover, for interacting with the handle of the toner container depending on the angular position of the rotatable cap, wherein:

the means for interacting comprises a recess to receive the handle when the cover is in the closed position and the handle is an angular position to dispense toner.

11. The image forming apparatus according to claim 10 , wherein:

when the handle is not in the angular position to dispense toner, the cover cannot be fully closed due to interaction with the handle.

12. The image forming apparatus according to claim 10 , wherein:

the recess includes guiding sides which are tapered to rotate the handle towards a center of the recess as the cover is closed.

13. An image forming apparatus for use with a toner container which dispenses toner to the image forming apparatus depending on an angular position of a rotatable cap of the toner container relative to the image forming apparatus, the rotatable cap having a handle attached thereto, the image forming apparatus comprising:

an image forming section which forms a toner image on a photosensitive surface having a latent image formed by light;

a toner container holder to support the toner container which permits the cap of the toner container to rotate relative to the image forming apparatus;

a cover to selectively cover and uncover a toner container within the toner container holder when the cover is at a closed position and an open position, respectively; and

means, which moves with movement of the cover, for interacting with the handle of the toner container depending on the angular position of the rotatable cap, wherein:

the means for interacting comprises a wall which prevents the rotatable cap from rotating due to a rotational force from a body of the toner container.

14. The image forming apparatus according to claim 13 , wherein:

the image forming apparatus has only one wall to prevent the rotatable cap from rotating in one direction and no wall to prevent the rotatable cap from rotating in an opposite direction.

15. The image forming apparatus according to claim 13 , wherein:

when the handle is not in an angular position to dispense toner, the cover cannot be fully closed due to interaction with the handle.

16. The image forming apparatus according to claim 13 , further comprising:

the toner container.

17. The image forming apparatus according to claim 13 , wherein:

the image forming section forms four toner images using four different colors of toner.

18. An image forming apparatus for use with a toner container which dispenses toner to the image forming apparatus depending on an angular position of a rotatable cap of the toner container relative to the image forming apparatus, the rotatable cap having a handle attached thereto, the image forming apparatus comprising:

an image forming section which forms a toner image on a photosensitive surface having a latent image formed by light;

a toner container holder to support the toner container which permits the cap of the toner container to rotate relative to the image forming apparatus;

a cover to selectively cover and uncover a toner container within the toner container holder when the cover is at a closed position and an open position, respectively; and

means, which moves with movement of the cover, for interacting with the handle of the toner container depending on the angular position of the rotatable cap, wherein:

the means for interacting comprises a guiding projection to contact the handle and rotate the rotatable cap to an angular position to dispense toner, as the cover is closed.

Priority Claims (3)
JP 2003-052658 · Feb 28, 2003 · national
JP 2003-054478 · Feb 28, 2003 · national
JP 2004-004668 · Jan 9, 2004 · national
Continuity (5)
Division 12140361 · Jun 17, 2008
Division 11730280 · Mar 30, 2007
Division 10864672 · Jun 10, 2004
Continuation PCTJP200402025 · Feb 20, 2004
Related Publication 20110026973A1 · Feb 3, 2011