JPH0915958A - Makeup developer container - Google Patents

Abstract

PURPOSE: To prevent developer from scattering, to simplify operation in the case of attachment/detachment, and to save a space by attaching a bag-state developer housing part in which developer is hermetically sealed to a developing device and taking up and containing the developer to a containing part after the developer is supplied. CONSTITUTION: Just before a container for developer replenishment is attached to a developer supplying part 5, the right end of the developer housing part 2 is cut by a cutter 8a, and the developer 1 is discharged from the part 2. The inside wall 5a of the aperture part of the part 5 is brought into contact with the outside wall 3a1 of a fixed body 3a in the case the developer 1 is discharged from the part 2, and the container for the developer replenishment is attached to the part 5 in a state where the fixed body 3a is inhibited from rotating by a groove, projection or frictional force. The left end of the part 2 in which the discharging of the toner of the developer 1 is almost finished is locked to a stopping part 3c by the rotation of the rotor 3b, so that the part 2 is taken up to the external periphery of the body part 3a2 of the body 3 so as to be contained inside the part 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved developer supply container. More specifically, it is removably attached to a developing device provided in an electrophotographic image forming apparatus such as a copying machine, a facsimile machine, a printer, a scanner, or a multi-functional machine having these functions to replenish the developer. The present invention relates to a developer supply container.

[0002]

2. Description of the Related Art As a conventional developer replenishing container used for replenishing a developing device of an electrophotographic image forming apparatus, for example, a sealed bag-shaped developer accommodating container for accommodating the developer. It is known to have a section. FIG. 10 is a structural explanatory view of an example of a conventional developer supply container, in which a flexible tube-shaped developer accommodating portion 102 is provided with a developing device 108.
The developer in the developer supply unit 105 (replenishment pipe 105a) that supplies the developer 101 to the inside is attached in a communicating state, and the knob 103 located at the upper end of the developer storage unit 102 is twisted and squeezed to remove the internal developer. Supply pipe 105a
It is configured to be sent to the developing device 108 via.

That is, in this conventional example, since the container body is formed into a flexible tube shape, when replenishing the developer, even if the developer has poor fluidity, the developer is squeezed out of the container body or the container body is vibrated. By giving the developer and removing the developer adhering to the inner wall thereof, the developer can be replenished to the developing device without being left in the main body (see Japanese Utility Model Laid-Open No. 1-149660). However, in this developer supply container, the developer easily leaks at the attachment / detachment port with respect to the supply pipe 105a, and when the container is removed, dust of the residual developer scatters inside and outside the machine, which deteriorates the environment. was there.

Further, as shown in FIGS. 11 and 12, there is also known a powder storage container comprising a bag-shaped bag body and a storage portion for storing the bag body after toner supply. That is, in FIG. 11 and FIG. 12, the bag body 102a is accommodated in the first storage space 109a of the toner storage container 109 in a state where the developer 101a is stored and swelled, and the toner 101a is discharged from the opening 109b. Is discharged. Reference numeral 109c is a string,
It extends from one end of the bag body 102a through the inner wall of the bag to the other end of the bag and is fixed to the other end of the bag. Also, the string 109c
Is in a state of being drawn out from a hole 109A ′ formed in the partition wall 109A between the first storage space 109a and the second storage space 109d, and further out to the outside from the outer hole 109B.
Therefore, if the string 109c is pulled out in the direction of the arrow shown,
The bag body 102a is stored in the second storage space 109d.

That is, the powder storage container has a first storage space 109a for storing the powder filled with the powder, an opening 109b for discharging the powder to the outside, and a bag after the powder is discharged by a string operation. A second storage space 109d that can be folded and stored is provided so as to prevent contamination of the hand of the operator, clothes, and the surroundings when the powder storage container is removed from the image forming apparatus (actual opening 3). -77961). But
Although this powder storage container can prevent toner from scattering, it has a problem in that it is bulky, the amount of discarded material at the time of disposal is large, and the cost is high.

FIG. 13 shows another conventional example, in which a toner pack 102b, in which a toner 101a is hermetically contained, is provided.
The toner 101a is cut by the cutter 108a and is supplied to the toner hopper 105b.
Empty toner pack 10 that has finished supplying toner 101a
2b is an ear portion 10 integrated with the toner pack 102b.
By pulling 2b1 in the direction of the arrow, it is stored in the storage cylinder 104. That is, in this conventional example, the toner containing portion is formed into a flexible bag shape, and after the toner containing portion is broken, the broken toner containing portion is stored in the storage portion to reduce the manufacturing cost, When the toner is supplied to the toner hopper, the toner is prevented from scattering (see Japanese Utility Model Laid-Open No. 4-70660). However, this toner pack also has a problem in that not only the storage portion becomes large, the container becomes bulky as a whole, the amount of discarded material at the time of disposal becomes large, and also the cost becomes high. Furthermore,
In each of the conventional examples, there is a problem that the mounting operation and the collecting operation are independent, and a complicated work must be performed, and improvement of this point has been demanded.

[0007]

In the above-mentioned conventional developer supply container, the developer easily leaks at the attachment / detachment port, and dust of residual developer scatters upon removal to deteriorate the environment. There is a problem that the shape becomes bulky, not only the discarded material becomes large at the time of disposal but also the cost becomes high, and the mounting operation and the collecting operation are independent and complicated work is required.

[0008]

SUMMARY OF THE INVENTION Therefore, the present invention is to solve such a problem. That is, it is an object of the present invention to provide a developer replenishing container which is low in cost, prevents scattering of the developer, facilitates work at the time of attachment / detachment, and saves space.

[0009]

In order to achieve the above object, the present invention according to claim 1 provides a developer replenishment which is removably attached to a developing device of an image forming apparatus such as an electrophotographic machine to replenish the developer. In a container, a bag-shaped developer accommodating portion in which a developer is hermetically sealed, and a retracting storage for winding the developer accommodating portion that has become empty after the developer in the developer accommodating portion is supplied to the developing device side. And a storage unit which is provided inside the winding and storing unit and stores the developer accommodating unit. According to a second aspect of the present invention, the winding and storing means includes an immovable body fixed to the developer supply section on the developing device side and a rotating body rotatable with respect to the immovable body. .

In the invention according to claim 3, the rotating body is
It is characterized by having a locking portion for locking the developer accommodating portion. According to a fourth aspect of the present invention, the developer accommodating portion is fractured when the internal pressure rises due to the retracting operation of the retracting and storing means in the accommodating portion, and the developer accommodating portion supplies the developer to the developing device side. It is characterized by having.

According to a fifth aspect of the present invention, in the developer supply container according to the first, second, third, or fourth aspect, the take-up storing means is configured to close one end of the developer supply section. The main feature. According to a sixth aspect of the present invention, in the developer supply container according to the first, second, third, fourth, or fifth aspect, the storage section has a lid member that closes a storage port for storing the developer storage section. The main feature is that.

A seventh aspect of the present invention is characterized in that, in the developer supply container according to the sixth aspect, the lid member has a throttle opening for narrowing down the developer accommodating portion. According to an eighth aspect of the present invention, in the developer supply container according to the sixth or seventh aspect, the lid member has an opening / closing member that is closed by storing the developer accommodating portion in the storage portion. The main feature. According to a ninth aspect of the present invention, in the developer replenishing container according to the second, third, fourth, fifth, sixth, seventh or eighth aspect, the rotating body is rotated by a driving unit to discharge the developer. The main feature is that the developer accommodating portion is automatically wound and stored in the storage portion.

[0013]

The developer replenishing container constructed as described above is
According to the first aspect of the present invention, the bag-shaped developer accommodating portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, it is wound and stored in the storage portion by the winding and storing means.
It is possible to provide a developer replenishing container that prevents scattering of the developer at a low cost, facilitates work at the time of attachment / detachment, is small in size, and saves a large amount of waste when exchanging.

According to another aspect of the present invention, the bag-shaped developer accommodating portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, the winding has a stationary body and a rotating body which are fixed to the developer supplying section. Since it is wound up and stored in the storing section by the storing and storing means, a developer supply container that is low in cost, prevents the developer from scattering, is easy to install and remove, is small in size, and has a small amount of waste at the time of replacement when replacing. Can be provided.

According to a third aspect of the present invention, the bag-shaped developer accommodating portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, the immovable body fixed to the developer supplying portion and the developer accommodating portion are engaged. Since it is wound and stored in the storage portion by the winding and storing means having a rotating body having a locking portion for stopping, the developer is prevented from scattering at a low cost, work at the time of attachment / detachment is easy, and it is small and space-saving. It is possible to provide a developer replenishing container with less waste when replacing

According to a fourth aspect of the present invention, the developer accommodating portion having a bag-shaped broken portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, it is wound up and stored in the storage portion by the winding storage means. Therefore, it is possible to provide a developer supply container that has a small number of parts, is low in cost, prevents the developer from scattering, is easy to attach / detach, is small in size, and has a small amount of waste when exchanging.

According to a fifth aspect of the present invention, the bag-shaped developer accommodating portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, one end of the developer supplying portion is closed and wound around the accommodating portion. Since it is stored and stored, it is possible to provide a developer replenishing container that is inexpensive and can prevent the scattering of the developer, can be easily attached and detached, is small in size, and has a small amount of waste when replacing.

According to a sixth aspect of the present invention, a bag-like developer accommodating portion in which a developer is sealed is attached to a developing device, and after the developer is supplied, a lid for closing the storage opening for storing the developer accommodating portion by the winding and storing means. Since it is rolled up and stored in a storage unit that has members, it is possible to reliably prevent developer scattering at low cost, easy work at the time of attachment / detachment, small size, and space-saving developer supply container with little waste at the time of replacement. Can be provided.

According to a seventh aspect of the present invention, the bag-shaped developer accommodating portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, the storage opening for accommodating the developer accommodating portion is closed by the winding and storing means. Since it is wound up and stored in a storage unit that has a lid member that has a squeezing port for narrowing the agent storage unit, the number of parts is small and the developer scattering can be reliably prevented at low cost, and the work at the time of attachment and detachment is easy and compact. Thus, it is possible to provide a developer replenishing container that saves space and has less waste when exchanging.

According to another aspect of the present invention, the bag-shaped developer accommodating portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, the storage opening for accommodating the developer accommodating portion is closed by the retracting and storing means. Since the developer is stored in the storage part having the lid member having the opening / closing member that is closed by storing the developer in the storage part, the developer can be more reliably prevented from spilling out and scattering at low cost, and the work at the time of attachment / detachment can be performed. It is possible to provide a developer replenishing container that is easy to use, has a small size, and has a small amount of waste at the time of replacement, which is space-saving.

According to a ninth aspect of the present invention, a bag-shaped developer accommodating portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, it is rotated by an immovable body fixed to the developer supplying portion and a driving means. Since the developer accommodating portion after the developer is discharged is automatically wound and stored in the storage portion by the winding and storing means having a rotating body that automatically stores the developer in the winding and storing portion, the developer is scattered at a low cost. It is possible to provide a developer replenishing container that is small in size, has a small amount of waste at the time of replacement, and is small in size.

[0022]

Next, embodiments of the present invention will be described with reference to the drawings. 1 is an external view showing the configuration of a developer supply container according to the first embodiment of the present invention, FIG. 2 is an explanatory view of a mounted state of the container of FIG. 1, and FIG. 3 is a sectional view showing an internal configuration of the container of FIG. FIG. 4 is a cross-sectional view showing a state where the accommodating portion is wound up. The developer 1 contained in this container is a polyester-based toner that is easily negatively charged for forming a toner image in a developing process for forming an image by electrophotography or the like.
The developer accommodating portion 2 is made of a soft thin resin and formed in a bag shape, and the developer 1 is hermetically sealed. The winding / storing means 3 is made of a hard resin, and is a fixed body 3a fixed to the mounting opening of the developer supply section 5, and a rotating body 3b rotatably engaged with the fixed body 3a. And a spiral protrusion 3b1 is formed on the outer surface of the rotating body 3b. One end of the developer accommodating portion 2 enters into the immovable body 3a and is fixed to the rotating body 3b at one end. The developer supply container 5 is attached to the developer supply unit 5, the developer 1 is supplied from the developer storage unit 2 to the developer supply unit 5, and then the rotating body 3 is rotated.
By rotating b in the direction of arrow A shown, the developer accommodating portion 2 can be wound in the direction of arrow B shown and stored in the storage portion 4. The storage part 4 is a space located on the right side in the axial direction of the unmoving body 3a as shown in FIG. The storage section 4 is separated from the outside by a lid member 6.

In FIG. 2, the developer accommodating portion 2 is a developer supplying portion 5 of a developing device 8 of an image forming apparatus such as an electrophotographic apparatus.
When it is stored in the direction of arrow C shown in the drawing (in this embodiment, it is cylindrical and has an opening), the bottom of the storage section 2 is cut by the cutter 8a located at the back of the opening, and the developer storage section is cut. The developer 1 is supplied from 2 to the resin hopper 8b. The developer 1 supplied into the hopper 8b is agitated by an agitator 8c and conveyed to the vicinity of the sponge supply roller 8d, and the supply roller 8d and 25 to 40 of JIS-A of silicon-based or butadiene-based rubber are used. It is frictionally charged at the contact portion of the developing roller 8d having a relatively low hardness and adheres to the surface of the developing roller 8d by an electrostatic force.

The developer 1 is conveyed by the rotation of the developing roller 8d, but the developer 1 is uniformly thinned by a thinning blade 8f of SUS having a tip bending of about 0.1 mm and disposed in the middle. Is conveyed to the surface of the photoconductor 8G on which the electrostatic latent image is formed by a charging unit and an exposing unit (not shown), and the developer 1 is formed on the electrostatic latent image formed on the surface of the photoconductor 8g.
Toner adheres to the surface and development is performed. Therefore, when the developer accommodating portion 2 is attached to the developer supplying portion 5 of the developing device 8 of the image forming apparatus for electrophotography or the like, the developer accommodating portion 2 is cut at the same time as the attachment and the developer 1 inside is supplied.
At this time, the toner of the developer 1 is discharged, and the winding / storing means 3 is rotated manually or by a winding mechanism, so that the developer accommodating portion 2 is wound up and stored in the accommodating portion 4. ing.

In FIG. 3, the right end of the developer accommodating portion 2 is cut by the cutter 8a immediately before the developer replenishing container is mounted in the developer accommodating portion 5, and the developer accommodating portion 2 is developed. Agent 1 is discharged. The unmoving body 3a includes a body 3a2 located inside the cup-shaped rotating body 3b and a rotating body 3b.
The outer wall 3a1 of the exposed portion is substantially flush with the outer wall of the rotating body 3b. One end of the housing portion 2 passes through the shaft hole 3A in the unmoving body 3a and is fixed to a locking portion 3c provided on the inner bottom surface of the rotating body 3b. A space S for accommodating the wound accommodating portion 2 is formed between the outer peripheral surface of the body portion 3a2 and the inner wall of the rotating body 3b.

When the developer is discharged from the developer accommodating portion 2, the inner wall 5a of the opening of the developer supplying portion 5 and the immovable body 3a.
The outer wall 3a1 comes into contact with the developer supply section 5 in a state where rotation of the immovable body 3a is prohibited by a groove, a protrusion, or a frictional force (not shown). Rotating body 3b
The spiral portion on the outer surface has a shape capable of being aligned with the spiral portion on the inner wall of the opening of the developer supply unit 5,
Is rotated by hand in the clockwise direction or the counterclockwise direction indicated by the arrow D in the figure, the rotating body 3b can be screwed into the developer supplying section 5 to be mounted. At this time, the developer accommodating portion 2 in which the toner of the developer 1 is almost discharged is
Since the left end is locked by the locking portion 3c by the rotation of the rotating body 3b, it is wound around the outer periphery of the body portion 3a2 of the immovable body 3a and stored in the storage portion 4. ing.

As shown in FIG. 4, the developer accommodating portion 2 is completely contained in the accommodating portion 4, and the lid member 6 prevents the developer accommodating portion 2 from coming out of the accommodating portion 4 again. Code 6
Reference numeral a is a diaphragm port provided on the lid member. When mounting a new developer supply container, the screwed rotating body 3b may be reversely rotated and taken out, and discarded. Therefore, it is possible to install and replace the developer supply container without complicated work.
Not only can the storage unit 4 be miniaturized to reduce the cost, but also the amount of waste when replacing the developer supply container can be reduced. Further, since one end of the developer supply section 5 is closed by the winding / storing means 3, it is possible to prevent the developer 1 from scattering when the developer supply container is replaced, and the developer supply section 5 is provided. The environment at the time of container replacement can always be kept clean.

FIG. 5 is a sectional view showing the structure of the essential part of another embodiment of the present invention. The immovable body 3a is fixed to the developer supply section 5 by fixing claws 5b, and the developer accommodating section 2 is shown. The right end portion that does not exist is cut by a cutter fixed in the developing / supplying section, and the developer 1 in the developer accommodating section 2 is discharged into the developer supplying section 5. The developer replenishing container of this embodiment is removably mounted in the opening of the developer supply unit 5, and becomes immovable at the time of mounting, and a tip portion of a shaft portion 3B protruding into the unmoving body 3a. The rotary gear 7a is rotatably supported by the rotary gear 7a, the rotary body 3b integrally formed with the rotary gear 7a, the storage portion 4, the lid member 6 and the like are provided, and the developer storage portion 2 has one end thereof at the end of the gear 7a. It is configured to be fixed to a locking portion 3c provided on the cover 4 and to be drawn into the storage portion 4 via a throttle opening 6a provided on the lid member 6. The drive gear 7b is provided, for example, on the image forming apparatus side, and is configured to mesh with the rotary gear 7a when the developer supply container is attached to the developer supply unit 5. The rotary gear 7a (driving means 7) integrated with the rotating body 3b meshes with the drive gear 7b, and the drive gear 7
When b is rotated by a switch (not shown) being turned on, the rotary gear 7a is also rotated, and the developer accommodating portion 2 after the developer 1 is discharged is automatically wound and stored in the storage portion 4.

FIGS. 6 and 7 are a sectional view and a perspective view of a lid member showing the structure of the main part of another embodiment of the present invention. In this embodiment, instead of providing a cutter on the developing device side, a developer is used. A break portion (seam portion) 2a that is easy to peel and open is formed in advance at the end of the housing portion 2 so that the break portion 2a breaks when the internal pressure in the housing portion reaches a certain height or more. Configure.

In the above construction, when the soft bag-shaped developer accommodating portion 2 is wound into the storage portion 4 through the aperture 6a provided in the lid member 6 and the storage is started,
The developer accommodating portion 2 shrinks, a pressing force is applied to the developer 1 inside the developer accommodating portion 2, and the breaking portion 2 is caused by the pressing force.
a is broken and opened in the direction of arrow E in the drawing, and the developer 1 is discharged into the developer supply unit 5 and supplied to the developing device 8. In this way, the breaking portion 2a of the developer accommodating portion 2 is broken by the winding and storing operation of the developer accommodating portion 2 in the accommodating portion 4, and the developer 1 is discharged into the developer accommodating portion 2. ,
The developing device 8 is supplied. Therefore, it is not necessary to provide a breaking member such as the cutter 8a for breaking the developer accommodating portion 2 in the developing device 8, and it is not necessary to provide a breaking member in the developer accommodating portion 2, and the developer accommodating portion can be stored at a low cost. It is possible to provide a developer supply container that breaks the part 2. Further, after the developer accommodating portion 2 is broken, the developer accommodating portion 2 is rolled up and stored in the storage portion 4 while squeezing the developer accommodating portion 2.
It is possible to provide a developer supply container in which the developer 1 in the developer accommodating portion 2 is supplied without waste.

FIG. 8 and FIG. 9 are explanatory views of the essential parts of another embodiment of the present invention. In this embodiment, a leaf spring-like opening / closing member 6b for opening / closing the aperture 6a of the lid member 6 is provided. During the winding and storing operation of the developer accommodating portion 2 in the accommodating portion 4, the opening / closing member 6b made of fluorine-based rubber provided on the lid member 6 causes the developer accommodating portion 2 to move. It has been opened by.

In FIG. 9, however, when the operation of winding and storing the developer accommodating portion 2 in the accommodating portion 4 is completed, the opening / closing member 6b provided on the lid member 6 is elastically changed so that the arrow F shown in the figure. By closing in the direction, the developer accommodating portion 2 can be completely accommodated in the accommodating portion 4. As described above, since the opening / closing member 6b provided on the lid member 6 in the storage section 4 is provided, after the developer storage section 2 is stored in the storage section 4, the developer storage section 2 protrudes or is stored. It is possible to provide a developer supply container in which the developer 1 is prevented from scattering from the inside and a clean environment is maintained.

[0033]

Since the present invention is configured as described above, according to the invention of claim 1, the bag-shaped developer accommodating portion in which the developer is sealed is mounted on the developing device. Since the toner is supplied to and stored in the storage portion by the winding and storing means, the developer is prevented from scattering at a low cost, the work of attachment and detachment is easy, the space saving is small, and the developer is small in waste when exchanging. It is now possible to provide a supply container.

According to the second aspect of the present invention, the bag-shaped developer accommodating portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, the stationary body and the rotating body are fixed to the developer supplying portion. Since the roll is stored in the storage unit by the winding and storing means having the structure, the developer can be scattered at a low cost, the work at the time of attachment / detachment is easy, the size is small and the space is small, and the developer is replenished with little waste. It is now possible to provide a container for use.

According to the third aspect of the present invention, the bag-shaped developer accommodating portion in which the developer is sealed is mounted on the developing device, and after the developer is supplied, the immovable body fixed to the developer supplying portion and the developer accommodating portion are fixed. Since the winding and storing means having the rotating body having the locking portion for locking the portion is wound and stored in the storing portion,
It has become possible to provide a developer replenishing container that is low in cost, prevents the developer from scattering, is easy to install and remove, and is small in size and has a small amount of waste when exchanging.

According to the fourth aspect of the invention, the developer accommodating portion having the bag-shaped broken portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, it is wound into the storing portion by the winding and storing means. Since it is stored, it is possible to provide a developer supply container that has a small number of parts, is low in cost, prevents developer scattering, is easy to install and remove, and saves space when replacing with less waste. Became.

According to the fifth aspect of the present invention, the bag-shaped developer accommodating portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, it is stored by the winding and storing means which closes one end of the developer supplying portion. Since it is wound around and stored in the portion, it is possible to provide a developer supply container that is low in cost, prevents the developer from scattering, is easy to attach / detach, is small in size, and has a small amount of waste at the time of replacement when replacing. It became so.

According to the sixth aspect of the present invention, the bag-shaped developer accommodating portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, the storage opening for accommodating the developer accommodating portion by the winding and storing means. Since it is wound up and stored in a storage unit that has a lid member that closes the developer, it is possible to reliably prevent scattering of the developer at a low cost, easy work at the time of attachment / detachment, compact size, and space saving. It is now possible to provide a supply container.

According to the invention of claim 7, the bag-shaped developer accommodating portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, the retracting means stores the developer accommodating portion. Since it is closed and closed, it is wound up and stored in a storage part that has a lid member that has a squeezing port that narrows down the developer storage part, so the number of parts is small and the scattering of the developer can be reliably prevented at low cost and the work at the time of attachment and detachment It is now possible to provide a developer replenishing container that is easy, compact, and has a small space and has a small amount of waste at the time of replacement.

According to the invention of claim 8, the bag-shaped developer accommodating portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, the storage opening for accommodating the developer accommodating portion by the winding and storing means. Is closed and stored in the storage part of the developer storage part so that the developer can be wound up and stored in the storage part having the lid member having the opening / closing member, so that the developer can be more reliably prevented from protruding and scattered at the low cost. It has become possible to provide a developer replenishing container that is easy to work at, small in size, and has a small amount of waste at the time of replacement, which is space-saving.

According to the ninth aspect of the invention, the bag-shaped developer accommodating portion in which the developer is sealed is attached to the developing device, and after the developer is supplied, it is fixed by the immovable body and the driving means. Since the developer accommodating portion after being rotated to discharge the developer is automatically retracted and stored in the accommodating portion by the retracting and storing means having a rotating body that automatically stores the developer accommodating portion in the retractable and accommodating portion,
It has become possible to provide a developer replenishing container that is small in size, has a small amount of waste at the time of replacement, and is small in size.

[Brief description of the drawings]

FIG. 1 is a perspective view schematically illustrating a developer supply container according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating a state immediately before mounting of the developer supply container according to the embodiment of FIG.

FIG. 3 is an enlarged cross-sectional view illustrating a developer supply container of the embodiment of FIG.

FIG. 4 is an enlarged cross-sectional view illustrating another state of the developer supply container of the embodiment of FIG.

FIG. 5 is an enlarged sectional view illustrating a developer supply container according to another embodiment of the present invention.

FIG. 6 is a sectional view illustrating a developer supply container according to another embodiment of the present invention.

FIG. 7 is an enlarged perspective view illustrating a main part of the embodiment of FIG.

FIG. 8 is a sectional view illustrating a developer supply container according to another embodiment of the present invention.

9 is a sectional view for explaining another state of the embodiment of FIG.

FIG. 10 is an explanatory diagram illustrating a developer supply container according to the related art.

FIG. 11 is an explanatory diagram illustrating another developer supply container in the related art.

FIG. 12 is an explanatory diagram illustrating a state of a main part of another developer supply container according to the related art.

FIG. 13 is an explanatory diagram illustrating another developer supply container in the related art.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Developer, 2 ... Developer accommodating part, 2a ... Breaking part, 3 ... Winding / storing means, 3a ... Immovable body, 3
a1 ... Outer wall, 3a2 ... Body, 3b ... Rotating body, 3b1 ... Convex part, 3c ... Locking part, 4 ... Storage part, 4a ... Storage port, 5 ... Developer supply section, 5a
... Inner wall, 5b ... Fixed claw, 6 ... Lid member, 6a
... Squeezing aperture, 7 ... Driving means, 7a ... Rotary gear, 7b ... Driving gear, 8 ... Developing device, 8a ...
-Cutter, 8b ... Hopper, 8c ... Agitator, 8d ... Supply roller, 8e ... Developing roller, 8
f: thinning blade, 8g: photoconductor, 101a
... Toner, 102 ... Developer container, 102a
..Bags, 102b ... Toner packs, 102b1 ..
..Ears, 103 ... Knobs, 104 ... Storage tubes,
105 ... Developer supply section, 105a ... Replenishing pipe, 105b ... Toner hopper, 108 ... Developing device, 108a ... Cutter, 109 ... Toner storage container, 109a ... 1 storage space, 109b ...
-Opening portion, 109c ... String, 109d ..., Second storage space.

Claims (9)

[Claims] 1. A developer replenishing container removably attached to a developing device of an image forming apparatus such as an electrophotographic system for replenishing the developer, and a bag-shaped developer accommodating portion in which the developer is sealed; A winding / storing means for winding up the developer accommodating portion that has become empty after supplying the developer in the developer accommodating portion to the developing device side, and the developer accommodating portion provided inside the winding / storing means. And a container for storing the developer. 2. The winding / storing means has an immovable body fixed to a developer supply unit on the developing device side, and a rotating body rotatable with respect to the immovable body. The developer supply container according to 1. 3. The developer supply container according to claim 1, wherein the rotating body has a locking portion that locks the developer accommodating portion. 4. The developer accommodating portion has a fracture portion that is fractured and supplies the developer to the developing device side when the internal pressure rises due to the retracting operation of the retracting and retracting means into the accommodating portion. The developer supply container according to claim 1, 2, or 3. 5. The developer replenishing container according to claim 1, wherein the winding and storing means is configured to close one end of the developer supply section. 6. The developer supply container according to claim 1, wherein the storage portion has a lid member that closes a storage opening for storing the developer storage portion. 7. The developer replenishing container according to claim 6, wherein the lid member has a throttle opening for narrowing down the developer accommodating portion. 8. The developer supply container according to claim 6, wherein the lid member has an opening / closing member that closes when the storage of the developer storage portion in the storage portion is completed. 9. The rotating body is rotated by a driving unit to automatically wind up the developer accommodating portion after discharging the developer and store the developer in the accommodating portion. Item 2. The developer supply container according to items 2, 3, 4, 5, 6, 7 or 8.