IP Library › Granted Patent US 8,160,461
Granted Patent B2
US 8,160,461 · App. 12/886,061 · Granted Apr 17, 2012

Toner container and image forming apparatus

Assignee: Ricoh Co., Ltd.
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Quick Facts
Patent No.
US 8,160,461
App. No.
12/886,061
Granted
Apr 17, 2012
Kind
B2
Abstract

A toner container detachably attached to a toner-container holder of a main body of an image forming apparatus includes a container body that includes an opening, and discharges toner contained in the container body, from the opening; and a held portion that is held by the toner-container holder in a non-rotating manner. The held portion includes an open/close member for opening/closing the toner outlet in synchronization with an attachment/detachment operation of the held portion to/from the toner-container holder.

Claims (23)

1. A storage and dispensing device for toner, comprising:

a cap portion through which toner is dispensed, the cap portion having at least a portion which is cylindrical-shaped; and

a storage volume connected to the cap portion, a portion of the storage volume being disposed within an interior of the cylindrical-shaped portion,

the cap portion including:

a projection on an exterior of the cap, the projection corresponding to a particular color of toner, a thickness of the projection in a vertical direction being less than or equal to a radius of the cylindrical-shaped portion,

wherein a distance from a center of the cylindrical-shaped cap portion to an outer edge of the projection is at least 15% greater than a radius of the cylindrical-shaped portion.

2. The storage and dispensing device according to claim 1 , wherein:

the storage and dispensing device is for use in a machine which uses at least two different color toners, and

an outer edge of the projection has a minimum distance from a center of the cylindrical-shaped portion which is greater than a largest radius of a cylindrical-shaped portion of any other toner storage and dispensing device of the machine.

3. The storage and dispensing device according to claim 1 , wherein:

a distance from a center of the cylindrical-shaped cap portion to an outer edge of the projection is at least 25% greater than a radius of the cylindrical-shaped portion.

4. The storage and dispensing device according to claim 1 , wherein:

a distance from a center of the cylindrical-shaped cap portion to an outer edge of the projection is at least 35% greater than a radius of the cylindrical-shaped portion.

5. The storage and dispensing device according to claim 1 , further comprising:

toner stored with the storage and dispensing device.

6. The storage and dispensing device according to claim 1 , further comprising:

a second projection on an exterior of the cap, the second projection in combination with said projection corresponding to a particular color of toner, a distance from a center of the cylindrical-shaped cap portion to an outer edge of the second projection is at least 15% greater than a radius of the cylindrical-shaped portion.

7. The storage and dispensing device according to claim 6 , wherein:

a distance from a center of the cylindrical-shaped cap portion to an outer edge of each of the two projections is at least 25% greater than a radius of the cylindrical-shaped portion.

8. The storage and dispensing device according to claim 6 , wherein:

a distance from a center of the cylindrical-shaped cap portion to an outer edge of each of the two projections is at least 35% greater than a radius of the cylindrical-shaped portion.

9. The storage and dispensing device according to claim 6 , wherein:

a sum of thicknesses of the two projections in a vertical direction being less than or equal to a radius of the cylindrical-shaped portion.

Priority Claims (8)
JP 2005-167298 · Jun 7, 2005 · national
JP 2005-198355 · Jul 7, 2005 · national
JP 2005-203370 · Jul 12, 2005 · national
JP 2005-223438 · Aug 1, 2005 · national
JP 2005-304216 · Oct 19, 2005 · national
JP 2005-313616 · Oct 28, 2005 · national
JP 2006-013293 · Jan 23, 2006 · national
JP 2006-029246 · Feb 7, 2006 · national
Continuity (3)
Division 11566897 · Dec 5, 2006
Provisional Application 60850675 · Oct 11, 2006
Related Publication 20110008075A1 · Jan 13, 2011