USRE40021E1 - Toner bottle and developer cartridge for use in an image forming apparatus - Google Patents
Toner bottle and developer cartridge for use in an image forming apparatus Download PDFInfo
- Publication number
- USRE40021E1 USRE40021E1 US10/745,476 US74547603A USRE40021E US RE40021 E1 USRE40021 E1 US RE40021E1 US 74547603 A US74547603 A US 74547603A US RE40021 E USRE40021 E US RE40021E
- Authority
- US
- United States
- Prior art keywords
- developer
- cartridge
- main body
- toner bottle
- side shutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
- G03G15/0881—Sealing of developer cartridges
- G03G15/0886—Sealing of developer cartridges by mechanical means, e.g. shutter, plug
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0865—Arrangements for supplying new developer
- G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
- G03G15/0868—Toner cartridges fulfilling a continuous function within the electrographic apparatus during the use of the supplied developer material, e.g. toner discharge on demand, storing residual toner, acting as an active closure for the developer replenishing opening
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0865—Arrangements for supplying new developer
- G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
- G03G15/087—Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
- G03G15/0872—Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge the developer cartridges being generally horizontally mounted parallel to its longitudinal rotational axis
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/06—Developing structures, details
- G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
- G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
- G03G2215/0665—Generally horizontally mounting of said toner cartridge parallel to its longitudinal rotational axis
- G03G2215/067—Toner discharging opening covered by arcuate shutter
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/06—Developing structures, details
- G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
- G03G2215/0685—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material fulfilling a continuous function within the electrographic apparatus during the use of the supplied developer material, e.g. toner discharge on demand, storing residual toner, not acting as a passive closure for the developer replenishing opening
Definitions
- the present invention relates to an image forming apparatus and, more particularly, to an improvement in the developer replenishment mechanism of the image forming apparatus.
- An image forming apparatus for forming an electrostatic latent image on an image carrier, developing the image with toner in a developing unit, and transferring the toner image onto a sheet, comprises a container (toner cartridge or toner bottle) for replenishing the developing unit with toner.
- This toner cartridge has a spiral on its inner surface. When the toner cartridge itself rotates, the contained toner is squeezed out from an outlet port along the spiral and supplied to the developing unit.
- the outlet port of the toner cartridge is open in mounting a new toner cartridge on the apparatus main body or dismounting an empty toner cartridge from the apparatus main body. For this reason, toner escapes from the outlet port and scatters in the apparatus to contaminate the apparatus.
- a developer cartridge which is rotatably mounted in a developing unit of an image forming apparatus, and supplies a developer to the developing unit while rotating, comprising a cylindrical cartridge main body having a developer outlet hole in an outer surface near one end, and a ring-like cartridge-side shutter which is fitted on the outer surface near one end of the cylindrical cartridge main body to be movable along a rotating shaft of the cylindrical cartridge main body between a position where the developer outlet hole is opened and a position where the developer outlet hole is closed, wherein the developing unit has a guide for inserting the developer cartridge and a driving unit for rotating the developer cartridge, the guide has a main body-side shutter with a hole, and when the developer cartridge is mounted, the cartridge-side shutter of the cylindrical cartridge main body moves from the position where the developer outlet hole is closed to the position where the developer outlet hole is opened, the developer outlet hole aligns itself with the hole of the main body-side shutter, and every time the cylindrical cartridge main body and the main body-side shutter integrally rotate to align the developer outlet
- an image forming apparatus comprising a developing unit for developing an electrostatic latent image on an image carrier with a developer, and a transfer unit for transferring the developed developer image onto a transfer medium
- the developing unit has a developer cartridge rotatably mounted to supply the developer to the developing unit while rotating, a guide for inserting the developer cartridge, and a driving unit for rotating the developer cartridge
- the developer cartridge has a cylindrical cartridge main body having a developer outlet hole in an outer surface near one end, and a ring-like cartridge-side shutter which is fitted on the outer surface near one end of the cylindrical cartridge main body to be movable along a rotating shaft of the cylindrical cartridge main body between a position where the developer outlet hole is opened and a position where the developer outlet hole is closed
- the guide has a main body-side shutter with a hole; and when the developer cartridge is mounted, the cartridge-side shutter of the cylindrical cartridge main body moves from the position where the developer outlet hole is closed to the position where the developer outlet hole is opened, the developer outlet hole aligns itself
- FIG. 1 is a sectional view showing the schematic structure of an image forming apparatus according to an embodiment of the present invention
- FIG. 2 is an exploded perspective view showing a toner replenishment unit of the image forming apparatus according to the embodiment of the present invention
- FIGS. 3A and 3B are views showing a state in which a toner cartridge is mounted in the toner replenishment unit
- FIGS. 4A and 4B are perspective views showing a state in which the toner cartridge of the image forming apparatus according to the embodiment of the present invention is positioned by an inlet guide to mesh with a driving unit;
- FIGS. 5A , 5 B, and 5 C are schematic views showing exchange of the toner cartridge
- FIG. 6 is a perspective view showing a toner cartridge according to the embodiment of the present invention.
- FIG. 7 is a perspective view showing a state in which a cartridge-side shutter covers a toner outlet port in the toner cartridge according to the embodiment of the present invention.
- FIG. 8 is a perspective view showing a toner cartridge driving mechanism on the apparatus main body side according to the embodiment of the present invention.
- FIG. 9 is a perspective view showing a toner cartridge according to another embodiment of the present invention.
- FIG. 10 is a sectional view showing part of a toner cartridge according to still another embodiment of the present invention.
- FIG. 11 is a perspective view showing part of the toner cartridge according to still another embodiment of the present invention.
- FIG. 1 is a sectional view showing a whole copying machine according to a preferred embodiment of the present invention.
- a copying machine 1 comprises at its lower portion a cassette sheet feeder 2 which stores many sheets.
- the copying machine 1 further comprises a LCF sheet feeder 3 for feeding many sheets of the same size, and a manual sheet feeder 4 capable of feeding various kinds of sheets.
- the copying machine 1 comprises at its upper portion an image reading section 5 for reading a document, an automatic document feeder 6 for feeding a document to the image reading section 5 , an image storage section 7 for storing image data read by the image reading section 5 , and a laser optical device for reading out the stored image data and writing the image on an image forming section 8 .
- the image forming section 8 is made up of a photosensitive drum 10 , developing unit 11 , cleaner 12 , charger 13 , discharge lamp 14 , and transfer/separation charger 15 .
- the developing unit 11 is equipped with a toner cartridge 16 for replenishing the developing unit 11 with toner, and a driving unit 17 for driving the toner cartridge 16 , as shown in FIG. 3 A.
- the outer surface of the toner cartridge 16 near its end has a projection 24 for positioning the toner cartridge 16 in mounting it on the copying machine main body.
- the projection 24 stands at a predetermined position with respect to an outlet hole 21 formed in a cap (constricted portion) 20 .
- FIG. 2 is an exploded perspective view showing the toner replenishment unit for the copying machine main body.
- FIGS. 3A and 3B are views showing a state in which the toner cartridge is mounted in this toner replenishment unit.
- an inlet guide 18 is attached to the copying machine main body, and has a guide hole of a size enough to receive the toner cartridge 16 .
- a recess 25 a is formed at a predetermined position of the guide hole. The recess 25 a fits with the projection 24 formed on the toner cartridge 16 .
- a mounting lever 25 b is attached to the inlet guide 18 . Upon mounting the toner cartridge 16 , the mounting lever 25 b presses the end of the toner cartridge 16 so as to prevent the toner cartridge 16 from popping out. A spring 26 for pressing the toner cartridge 16 into the copying machine main body is attached between the mounting lever 25 b and the toner cartridge 16 .
- the copying machine main body also comprises the driving unit 17 for rotating the toner cartridge 16 .
- the driving unit 17 is constituted by a motor 27 , belt 28 , pulley 29 , driving gears 30 and 31 , convey auger 32 , driving gears 33 and 34 , spring 35 , driving plate 36 , holder guide 37 , holder 38 , and holder cover 39 .
- the motor 27 rotates the pulley 29 via the belt 28 to rotate the driving gear 30 meshed with the pulley 29 .
- the driving gear 30 meshes with the driving gears 31 and 33 .
- the convey auger 32 is attached to the driving gear 31 and rotated by it.
- the driving gear 33 meshes with the driving gear 34 , to which the driving plate 36 is attached.
- the driving plate 36 has a driving hole for driving the toner cartridge 16 .
- the driving gear 34 has an elliptical hole.
- the shaft of the driving plate 36 extends through the elliptical hole to allow the driving gear 34 to slide axially with respect to the driving plate 36 .
- the driving hole of the driving plate 36 is formed at a predetermined position with respect to the elliptical hole of the driving gear 34 .
- the holder guide 37 also has an ellipitcal hole.
- the shaft of the driving plate 36 extends through this elliptical hole to connect the holder guide 37 to the driving gear 34 .
- the holder guide 37 rotates integrally with the driving plate 36 by rotation of the driving gear 34 .
- the holder guide 37 has a toner replenishment hole 40 , which is formed at a predetermined position with respect to the elliptical hole.
- a projection 41 stands at a predetermined position with respect to the elliptical hole of the driving shaft 34 .
- the toner cartridge 16 is mounted in the copying machine 1 after the mounting lever 25 b on the front of the copying machine 1 is released. At this time, the projection 24 of the toner cartridge 16 meshes with the recess 25 a at the guide hole of the inlet guide 18 .
- the recess 25 a is formed at, e.g., an upper portion of the guide hole of the inlet guide 18 , and the projection 24 of the toner cartridge 16 corresponds in position with the recess 25 a.
- the cap 20 of the toner cartridge 16 has the outlet hole 21 and a projection 22 at predetermined positions.
- the toner cartridge 16 is positioned by the inlet guide 18 to mesh with the driving unit. That is, by positioning the toner cartridge 16 in this manner, the toner replenishment port 40 of the holder guide 37 of the driving unit 17 aligns itself with the outlet port 21 of the cap 20 to enable toner replenishment. At the same time, the projection 22 of the cap 20 fits in the driving hole of the driving plate 36 to enable rotating the toner cartridge 16 by the driving unit 17 .
- FIGS. 4A and 4B show a state in which the toner cartridge 16 is positioned by the inlet guide 18 to fit with the driving unit.
- FIG. 4A shows a state in which the inlet guide 18 and holder 38 are mounted
- FIG. 4B shows a state in which the inlet guide 18 and holder 38 are dismounted to expose the convey auger 32 .
- FIGS. 5A to 5 C are schematic views showing exchange of the toner cartridge 16 .
- an empty sensor arranged in the developing unit 11 displays an empty display on the control panel of the copying machine 1 . Then, the user opens the front cover of the copying machine 1 to pull out the toner cartridge 16 axially (to the right on the page).
- the toner cartridge 16 is pulled in a direction indicated by an arrow (to the right) from the state shown in FIG. 5A in which the toner cartridge 16 is mounted in the copying machine.
- FIG. 5B shows a state in which the toner cartridge 16 is pulled by 4 or 5 mm.
- the driving gear 34 is pressed to the right by the operation of the spring 35 to release the meshing between the driving gears 33 and 34 .
- no rotation driving force is transferred from the driving gear 33 to the toner cartridge 16 .
- FIG. 5C shows a state in which the toner cartridge 16 is pulled by 7 mm from the state of FIG. 5 A. In this state, the toner cartridge 16 is disengaged from the driving plate 36 .
- the toner cartridge 16 is set at a predetermined position in the machine main body (state shown in FIG. 5 C), and pressed axially (to the left on the page). Then, the projection 22 of the cap 20 fits in the driving hole of the driving plate 36 (state shown in FIG. 5 B). In this state, however, the driving gears 33 and 34 do not yet mesh with each other.
- the toner cartridge 16 is further axially pressed, and the driving plate 36 and driving gear 34 move to the left against the repulsion force of the spring 35 .
- the driving gear 34 meshes with the driving gear 33 to allow rotation of the toner cartridge 16 by the driving unit 17 .
- the toner replenishment port 40 (not shown in FIGS. 5A to 5 C) of the holder guide 37 aligns itself with the outlet port 21 (not shown in FIGS. 5A to 5 C) of the cap 20 to enable toner replenishment.
- FIG. 6 is a perspective view showing a toner cartridge according to the embodiment of the present invention.
- a toner cartridge 100 has a toner outlet port 101 on the side surface of a constricted portion which is formed at one end of the toner cartridge 100 and inserted into the inlet guide 18 .
- a spiral is formed on the inner surface of the toner cartridge 100 . Rotation of the toner cartridge 100 squeezes toner in the toner cartridge 100 along the spiral, and when the toner outlet port 101 faces down, the toner is discharged from the toner outlet port 101 .
- the constricted portion at one end of the toner cartridge 100 is equipped with a cartridge-side shutter 102 .
- the cartridge-side shutter 102 covers the toner outlet port 101 before mounting the toner cartridge 100 in the machine main body or after dismounting it.
- a toner scattering prevention seal 103 is attached to the toner outlet port 101 of the constricted portion at one end of the toner cartridge 100 .
- the cartridge-side shutter can have a through hole. That is, before the toner cartridge 100 is mounted in the machine main body, the cartridge-side shutter covers the toner outlet port 101 . In mounting, the cartridge-side shutter moves axially to align the through hole with the toner outlet port 101 .
- FIG. 8 is a perspective view showing a toner cartridge driving mechanism on the machine main body side.
- a main body-side toner cartridge driving mechanism 200 has a coupling structure formed integrally with a main body-side shutter 201 , which has a main body-side shutter opening 202 .
- the constricted portion at one end of the toner cartridge 100 fits with the main body-side shutter 201 so as to align the toner outlet port 101 with the main body-side shutter opening 202 . Accordingly, the toner cartridge 100 is mounted in the machine main body.
- the cartridge-side shutter 102 Before the toner cartridge 100 is mounted in the machine main body, the cartridge-side shutter 102 covers the toner outlet port 101 , as shown in FIG. 7 .
- the cartridge-side shutter 102 is pressed by the main body-side shutter 201 to slide and retract axially, thereby exposing the toner outlet port 101 , as shown in FIG. 6 .
- the main body-side shutter 201 is rotated by the driving mechanism 200 to transfer the rotational force to the toner cartridge 100 .
- the toner replenishment port (not shown) of the machine main body is formed below the main body-side shutter 201 . Every time the main body-side shutter opening 202 and toner outlet port 101 rotate and face down, toner in the toner cartridge 100 is discharged from the toner outlet port 101 and main body-side shutter opening 202 .
- the toner is supplied to the machine main body through the toner replenishment port of the machine main body. In other words, the toner is intermittently supplied by rotation of the toner cartridge 100 .
- the toner cartridge driving mechanism 200 having the coupling structure formed integrally with the main body-side shutter 201 can decrease the number of components for rotating the toner cartridge 100 , compared to a structure using a dedicated driving mechanism. This can reduce the product cost.
- the cartridge-side shutter 102 In dismounting the toner cartridge 100 from the machine main body, the cartridge-side shutter 102 is caught by the main body-side shutter 201 to slide forward and covers the toner outlet port 101 . For this reason, toner does not scatter in dismounting the toner cartridge 100 from the machine main body.
- a diameter a of the toner outlet port 101 of the toner cartridge 100 , a diameter b of the main body-side shutter opening 202 , and a diameter c of the toner replenishment port of the machine main body preferably satisfy a relation of a ⁇ b ⁇ c.
- a diameter d of this hole and the above holes preferably satisfy a relation of a ⁇ d ⁇ b ⁇ c.
- the main body-side shutter 201 is made of an elastic material such as rubber, it can function as a vibration insulator, and airtightness between the main body-side shutter 201 and the toner cartridge 100 can be enhanced.
- a conventional main body-side shutter is made of a flexible material such as plastic, and this material cannot satisfactorily enhance airtightness. By changing such material to rubber (natural rubber or silicone rubber), thermal deformation can be greatly suppressed.
- FIG. 9 is a perspective view showing a toner cartridge according to another embodiment of the present invention.
- a spiral 302 is formed on the inner surface of a constricted portion 301 of a toner cartridge 300 that fits with the machine main body.
- the toner cartridge 300 is automatically dismounted from the machine main body by rotating the toner cartridge 300 counterclockwise.
- claws 303 are attached near the other end of the toner cartridge 300 .
- the claws 303 are caught by the machine main body to stop rotation of the toner cartridge 300 .
- the rotational force still acts to push the toner cartridge 300 in a direction indicated by an arrow by the operation of the spiral 302 .
- the toner cartridge 300 shown in FIG. 9 is axially supported by a roller 304 .
- This roller 304 can be made of an elastic member such as rubber to obtain a high acoustic insultion effect.
- FIGS. 10 and 11 are a sectional view and perspective view, repetitively, showing the end of a toner cartridge according to still another embodiment of the present invention.
- a disconnection-prevention rib (projection) 404 is attached near the end of a constricted portion 401 of the toner cartridge 400 in order to prevent a cartridge-side shutter 402 from slipping off the constricted portion 401 of the toner cartridge 400 .
- the disconnection-prevention rib 404 prevents the cartridge-side shutter 402 from slipping off the constricted portion 401 of the toner cartridge 400 .
- a position where the stopper rib 404 is formed is a position where the cartridge-side shutter 402 completely covers the toner outlet port 403 when the cartridge-side shutter 402 slides toward the constricted portion 401 to a maximum degree.
- the stopper rib 404 may be formed into a ring shape on the entire constricted portion 401 of the toner cartridge 400 , but may be one or a plurality of projections.
- FIG. 11 shows still another embodiments of a toner cartridge having a disconnection-prevention structure for the cartridge-side shutter.
- a toner cartridge 500 shown in FIG. 11 the surface of a constricted portion 501 and the inner surface of a cartridge-side shutter 502 are threaded. Rotation of the cartridge-side shutter 502 moves the cartridge-side shutter 502 to open/close a toner outlet port 503 . Movement of the cartridge-side shutter 502 is stopped at an unthreaded portion.
- the toner cartridge of the present invention has two, cartridge-side shutter and main body-side shutter. Before mounting the toner cartridge in the developing unit, the toner outlet port of the toner cartridge is kept closed by the cartridge-side shutter. The toner replenishment port of the developing unit is kept closed by the main body-side shutter. Only in mounting/dismounting the toner cartridge on/from the developing unit, the toner outlet port of the toner cartridge and the toner replenishment port of the developing unit are opened/closed. Accordingly, toner can be effectively prevented from scattering in the developing unit in mounting/dismounting the toner cartridge on/from the developing unit.
- the number of components can be decreased to reduce the cost.
- the main body-side shutter is made of an elastic material, it can function as a vibration isolator. At the same time, airtightness between the main body-side shutter and toner cartridge can be enhanced. Thermal deformation can also be greatly suppressed.
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Abstract
Description
Claims (45)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/745,476 USRE40021E1 (en) | 2000-02-18 | 2003-12-24 | Toner bottle and developer cartridge for use in an image forming apparatus |
US11/949,841 USRE41779E1 (en) | 2000-02-18 | 2007-12-04 | Toner bottle and developer cartridge for use in an image forming apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/506,327 US6334037B1 (en) | 2000-02-18 | 2000-02-18 | Image forming apparatus |
US10/745,476 USRE40021E1 (en) | 2000-02-18 | 2003-12-24 | Toner bottle and developer cartridge for use in an image forming apparatus |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/506,327 Reissue US6334037B1 (en) | 2000-02-18 | 2000-02-18 | Image forming apparatus |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/506,327 Continuation US6334037B1 (en) | 2000-02-18 | 2000-02-18 | Image forming apparatus |
Publications (1)
Publication Number | Publication Date |
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USRE40021E1 true USRE40021E1 (en) | 2008-01-22 |
Family
ID=24014149
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/506,327 Ceased US6334037B1 (en) | 2000-02-18 | 2000-02-18 | Image forming apparatus |
US10/745,476 Expired - Lifetime USRE40021E1 (en) | 2000-02-18 | 2003-12-24 | Toner bottle and developer cartridge for use in an image forming apparatus |
US11/949,841 Expired - Lifetime USRE41779E1 (en) | 2000-02-18 | 2007-12-04 | Toner bottle and developer cartridge for use in an image forming apparatus |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/506,327 Ceased US6334037B1 (en) | 2000-02-18 | 2000-02-18 | Image forming apparatus |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/949,841 Expired - Lifetime USRE41779E1 (en) | 2000-02-18 | 2007-12-04 | Toner bottle and developer cartridge for use in an image forming apparatus |
Country Status (2)
Country | Link |
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US (3) | US6334037B1 (en) |
JP (1) | JP3285573B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060133856A1 (en) * | 2003-03-10 | 2006-06-22 | Masanobu Deguchi | Developer receiving vessel and image forming device |
US20090285604A1 (en) * | 2008-05-15 | 2009-11-19 | Murata Machinery, Ltd. | Toner container |
USRE41779E1 (en) * | 2000-02-18 | 2010-09-28 | Toshiba Tec Kabushiki Kaisha | Toner bottle and developer cartridge for use in an image forming apparatus |
USRE42312E1 (en) | 2000-02-18 | 2011-04-26 | Toshiba Tec Kabushiki Kaisha | Toner bottle having rib being sensed for being discriminated, method and apparatus for discriminating toner bottle types according to a sensed object on the toner bottle, stirring toner, and detecting the amount of remaining toner |
Families Citing this family (18)
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KR100325687B1 (en) * | 1999-12-21 | 2002-02-25 | 윤덕용 | A low-cost WDM source with an incoherent light injected Fabry-Perot semiconductor laser diode |
US6990301B2 (en) * | 2001-02-19 | 2006-01-24 | Canon Kabushiki Kaisha | Sealing member, toner accommodating container and image forming apparatus |
AU2006200980B2 (en) * | 2001-02-19 | 2008-04-10 | Canon Kabushiki Kaisha | Sealing member, toner accommodating container and image forming apparatus |
EP1993003B1 (en) * | 2001-02-19 | 2011-08-24 | Canon Kabushiki Kaisha | Toner supply container and toner supply system |
JP2004029362A (en) * | 2002-06-25 | 2004-01-29 | Canon Inc | Image forming apparatus |
JP4422956B2 (en) * | 2002-10-16 | 2010-03-03 | キヤノン株式会社 | Developer supply mechanism |
EP3165796B1 (en) * | 2003-02-28 | 2019-04-10 | Sew-Eurodrive GmbH & Co. KG | Gear motor |
US6785497B1 (en) * | 2003-03-24 | 2004-08-31 | Kabushiki Kaisha Toshiba | Toner cartridge and toner supply device |
JP4366117B2 (en) | 2003-05-21 | 2009-11-18 | キヤノン株式会社 | Toner supply device |
JP4108586B2 (en) * | 2003-10-17 | 2008-06-25 | シャープ株式会社 | Developer storage container and image forming apparatus |
JP4037390B2 (en) * | 2004-07-07 | 2008-01-23 | シャープ株式会社 | Developer supply apparatus and image forming apparatus having the same |
US7483659B2 (en) * | 2005-08-31 | 2009-01-27 | Kabushiki Kaisha Toshiba | Toner cartridge and image forming apparatus for mounting the same |
US7729644B2 (en) * | 2006-05-11 | 2010-06-01 | Katun Corporation | Toner cartridge |
JP4974034B2 (en) * | 2009-03-31 | 2012-07-11 | 株式会社沖データ | Developer container, image forming unit, and image forming apparatus |
JP5931794B2 (en) * | 2013-04-26 | 2016-06-08 | 京セラドキュメントソリューションズ株式会社 | Cleaning unit and image forming apparatus having the same |
JP6645015B2 (en) * | 2015-03-06 | 2020-02-12 | 富士ゼロックス株式会社 | Image forming apparatus and developer container |
JP7362382B2 (en) * | 2019-09-17 | 2023-10-17 | キヤノン株式会社 | Developer supply cartridge, toner transport device, and image forming device |
US11709441B2 (en) * | 2021-06-25 | 2023-07-25 | Canon Kabushiki Kaisha | Image forming apparatus |
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U.S. Appl. No. 10/658,849, filed Sep. 10, 2003, Umezawa et al. |
U.S. Appl. No. 10/691,436, filed Oct. 22, 2003, Taniyama et al. |
Cited By (9)
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USRE41779E1 (en) * | 2000-02-18 | 2010-09-28 | Toshiba Tec Kabushiki Kaisha | Toner bottle and developer cartridge for use in an image forming apparatus |
USRE42312E1 (en) | 2000-02-18 | 2011-04-26 | Toshiba Tec Kabushiki Kaisha | Toner bottle having rib being sensed for being discriminated, method and apparatus for discriminating toner bottle types according to a sensed object on the toner bottle, stirring toner, and detecting the amount of remaining toner |
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US20090285604A1 (en) * | 2008-05-15 | 2009-11-19 | Murata Machinery, Ltd. | Toner container |
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Also Published As
Publication number | Publication date |
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JP2001228693A (en) | 2001-08-24 |
USRE41779E1 (en) | 2010-09-28 |
JP3285573B2 (en) | 2002-05-27 |
US6334037B1 (en) | 2001-12-25 |
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