CN1811613A - Developer cartridge and recycling method thereof - Google Patents

Abstract

A cartridge includes: a casing having a wall defining a developer accommodating portion inside the casing, a filling port being formed through the wall in fluid communication with the developer accommodating portion; a cylindrical wall portion formed on the wall at a circumferential edge of the filling port and protruding from the wall outside the casing, the cylindrical wall portion having an inner peripheral surface, an outer peripheral surface, and an end surface positioned between the inner peripheral surface and the outer peripheral surface; a closure member which is fitted in the cylindrical wall portion, while being in contact with the inner peripheral surface of the cylindrical wall portion, to close the filling port; and a protruding portion that is provided on at least one of the end surface and the closure member at its contact portion between the end surface and the closure member and that protrudes toward the other one of the end surface and the closure member.

Description

Developer box and the method that recycles thereof

Quoting alternately of related application

The application requires the right of priority for the Japanese patent application 2005-98440 of Japanese patent application No.2005-21990 that submits on January 28th, 2005 and submission on March 30th, 2005.The full content of each application all is incorporated by reference herein in these applications.

Technical field

The present invention relates to contain the developer box of developer and the method that recycles thereof.

Background technology

Usually, the developer box with the toner container cavity that is used for holding toner is detachably connected to the image processing system such as laser printer.

Be used for toner is filled into the filling interruption-forming of toner container cavity in the shell of developer box.After being filled into toner in the toner container cavity by the filling mouth, lid is attached to fills on the mouth.Therefore described filling mouth just is closed, and like this, the toner that is filled in the toner container cavity just can not spill.

After the toner in the toner container cavity used up, developer box disassembled from image processing system.This developer box is replaced by the developer box that another is full of toner.In order to recycle the developer box that disassembles from image processing system, at first, described lid disassembles from the filling mouth of developer box.Then, toner is re-filled in the developer box.After refilling toner, lid is got on by attached again.

For example, the method that recycles developer box below the patent application gazette 9-258537 of Japanese unexamined has proposed: at first, the gland bonnet that is fixed to toner filling mouth is removed.Then, filling mouth by the toner that is opened refills toner in the toner container cavity.Afterwards, lid being fixed to toner fills on the mouth.Just lid can by adhesives to toner fill mouthful go up, be press fit into toner fill mouthful in, removably by screw thread be screwed to toner fill mouthful in or be press fit into during toner fills mouthful by the filling member.

The patent application gazette 9-222839 of Japanese unexamined proposes by ultra-sonic welded the toner that closure member is attached to toner accommodation section in the developer box to be filled on the mouth.

Summary of the invention

Yet when gland bonnet is filled when mouthful going up to toner by adhesives, the sealing lid just is difficult to fill from toner and mouthful removes.Similarly, fill when mouthful going up, also can not be again fill and mouthful pull down from toner when gland bonnet is ultrasonically welded to toner.

When gland bonnet was press fit in the toner filling mouth, in order to prevent toner leakage, gland bonnet was pressed securely onto toner and fills in the mouth.Therefore, when gland bonnet is filled mouth when removing from toner, toner is filled and mouthful is damaged probably.If gland bonnet be forced into once more the toner of damage fill mouthful in the time, toner will be filled mouthful that part of leaking out of damaging from toner.

U.S. Patent number 6,219,506 have proposed a kind of being convenient to when lid is press fit in the filling mouth pulls down the method for lid from filling mouth.According to this method, a joint-cutting is cut on being pressed onto the lid of filling in the mouth.Thereby this lid reduces the stiffness of lid through crooked or distortion in filling mouth.Then, lid is removed from filling mouth.

But, can not always lid be removed from the excircle of filling mouth by cutting and distortion lid.If especially lid by adhesive to the excircle of filling mouthful, even it can not be peeled from the excircle of filling mouthful by the distortion lid.If by force lid is removed from the filling mouth that lid is engaged on its excircle, the excircle of filling mouth so will be damaged.So just cause the decline of sealing property when after the filling mouth is refilling toner, being closed.

In order to refill toner rear enclosed filling mouth, lid can be again depressed fills in the mouth.In this case, know that with regard to being difficult to developer box is new product or passes through the product that recycles that refills toner.For example, having refilled the toner product that recycles once can further recycle.When the developer box that recycles was further recycled, some parts in the developer box just must replace to new.The example of those parts as: be used for the developer roll and being used to that toner supplies to photosensitive drums is prevented the containment member that toner leaks from the excircle of developer roll.If can not distinguish developer box is new product or the product that recycles, and so just is necessary to check each fatigue strength with these parts in the developer box that is recycled.

In view of foregoing problem, the method that the purpose of this invention is to provide a kind of developer box and recycle, lid can not damage and fill mouth from this box dismounting, can prevent from after refilling toner, to take place to fill a mouthful leakage toner, and can determine that whether this box is through refilling toner from toner.

In order to obtain above-mentioned purpose with other, the invention provides a kind of developer box, this developer box comprises: have the shell of wall that limits developer containing part therein and the filling mouth that is connected with the developer containing part fluid that passes described wall formation, developer is filled in the developer containing part by described filling mouth; The above is filled mouthful circumferential edges place and is projected into the cylindrical wall portion in the shell outside from this wall to be formed on described wall, and described cylindrical wall portion has inner circumferential surface, external peripheral surface and the end face between inner circumferential surface and external peripheral surface; Be engaged in the described cylindrical wall portion, contact the closure member that is used to seal described filling mouth simultaneously with the inner circumferential surface of described cylindrical wall portion; Be arranged on another the outstanding teat in end face and the closure member at least one and in end face and closure member in the contact site office between end face and described closure member.

According to the invention provides a kind of developer box on the other hand, this developer box comprises: have the shell of wall that limits developer containing part therein and the filling mouth that is connected with the developer containing part fluid that passes described wall formation, developer is filled in the developer containing part by described filling mouth; Be formed on the above cylindrical wall portion of filling mouthful circumferential edges place and being projected into the shell outside from this wall of described wall; Seal described cylindrical wall portion and be used to seal described closure member of filling mouth, closure member has flange part, and described flange part has the contact site of the end face that contacts cylindrical wall portion and the extension that extends radially outwardly from cylindrical wall portion.

According to the invention provides a kind of developer box on the other hand, this developer box comprises: have the shell of wall that limits developer containing part therein and the filling mouth that is connected with the developer containing part fluid that passes described wall formation, developer is filled in the developer containing part by described filling mouth; Be formed on the above cylindrical wall portion of filling mouthful circumferential edges place and being projected into the shell outside from this wall of described wall; At least a part that contacts simultaneously cylindrical wall portion in a part of insertion cylindrical wall portion is filled the closure member of mouth with sealing, have a through hole on described cylindrical wall portion at least a portion in the part of its contact closure member, described closure member is exposed by described through hole; Be formed on wall on the position relative and be projected into the outstanding wall in the described shell outside from described wall with described through hole in the cylindrical wall portion.

According to the invention provides a kind of developer box on the other hand, this developer box comprises: have the shell of wall that limits developer containing part therein and the filling mouth that is connected with the developer containing part fluid that passes described wall formation, developer is filled in the developer containing part by described filling mouth; Be formed on the above cylindrical wall portion of filling mouthful circumferential edges place and being projected into the shell outside from this wall of described wall; Seal described cylindrical wall portion and be used to seal described closure member of filling mouth, described closure member is pressed after developer is filled in the developer containing part for the first time and is inserted in the cylindrical wall portion, and described closure member is ultrasonically welded on the cylindrical wall portion after refilling developer containing part for recycling at developer.

According to the invention provides a kind of method of using developer box on the other hand, this method comprises: prepare a developer box, this developer box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, and is formed on the above cylindrical wall portion of filling mouthful circumferential edges place and being projected into the shell outside from this wall of described wall; Be filled into developer in the developer containing part for the first time by filling mouth; After being filled into developer in the developer containing part for the first time, closure member is pushed the described cylindrical wall portion of insertion and fill mouth with sealing; Closure member is removed and by the filling mouth of opening developer refilled the developer containing part from cylindrical wall portion; In order to recycle, developer is recharged in the developer containing part by filling mouth; With fill mouthful with sealing in order to recycle developer refilled after the developer containing part closure member to be pushed insert in the cylindrical wall portion and closure member is ultrasonically welded to cylindrical wall portion.

According to the invention provides a kind of method that recycles the developer box of using on the other hand, this method comprises: collect a used developer box, described box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, developer is filled in the developer containing part by filling mouth, and the above is filled mouthful circumferential edges place and is projected into the cylindrical wall portion in the shell outside from wall to be formed on described wall, and closure member is pressed and inserts cylindrical wall portion and fill mouthful with sealing; Closure member is removed and new developer is filled into the developer containing part by the filling of opening is salty from cylindrical wall portion; In order to recycle developer is recharged in the developer containing part by filling mouth; With fill mouthful with sealing in order to recycle closure member to be pushed to insert in the cylindrical wall portion and closure member is ultrasonically welded to cylindrical wall portion after refilling developer in the developer containing part.

According to the invention provides a kind of developer box on the other hand, this developer box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, and developer is filled in the developer containing part by filling mouth; With the receiver member that is arranged on the described wall, described receiver member has to be used to seal be in contact with it with sealing when filling mouthful at the first lid member fills first surface of contact that mouth is admitted this first lid member simultaneously, and described receiver member further has to be used to seal be in contact with it with sealing when filling mouthful at the second lid member fills second surface of contact that mouth is admitted the second lid member simultaneously.

According to the combination that the invention provides a kind of developer box, the first lid member and the second lid member on the other hand, this combination comprises: developer box, this developer box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, and developer is filled in the developer containing part by filling mouth; Be arranged on the described wall on the lateral direction of shell from the outstanding cylindrical wall portion of circumferential edges of filling mouthful; Be installed in the inner circumferential surface of cylindrical wall portion and the first lid member on the circumferential surface in the external peripheral surface; With the second lid member on another circumferential surface in inner circumferential surface that is installed in cylindrical wall portion and the external peripheral surface.

According to the combination that the invention provides a kind of developer box, the first lid member and the second lid member on the other hand, this combination comprises: developer box, this developer box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, and developer is filled in the developer containing part by filling mouth; Be arranged on the described wall on the lateral direction of shell from the outstanding cylindrical wall portion of circumferential edges of filling mouthful, described cylindrical wall portion has the groove on the external peripheral surface of its axial top ends, described groove extends along the axis of cylindrical wall portion; Be installed in the first lid member on the inner circumferential surface on its axial top ends of cylindrical wall portion; With the second lid member on the inner circumferential surface on its axial bottom that is installed in cylindrical wall portion.

According to the combination that the invention provides a kind of developer box, the first lid member and the second lid member on the other hand, this combination comprises: developer box, this developer box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, and developer is filled in the developer containing part by filling mouth; Be arranged on the described wall on the lateral direction of shell from the outstanding cylindrical wall portion of circumferential edges of filling mouthful, described cylindrical wall portion has bottom sidepiece and the tip-end-side on its axial tip side on its axial bottom end side, and described tip-end-side is thinner than bottom sidepiece; Be installed in the first lid member on the inner circumferential surface of tip-end-side of cylindrical wall portion; With the second lid member on the inner circumferential surface of the bottom sidepiece that is installed in cylindrical wall portion.

According to the invention provides a kind of developer box on the other hand, this developer box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, and developer is filled in the developer containing part by filling mouth; Be arranged on the wall with the circumferential edges outstanding inner cylindrical wall portion of lateral direction from filling mouth at shell; Be arranged on the wall with in the outstanding outer cylindrical walls portion of the lateral direction of shell, described outer cylindrical walls portion is around described inner cylindrical wall portion.

According to the invention provides a kind of lid member on the other hand, comprising: hollow cylindrical portion; A flange part that axial end extends radially outwardly from described cylindrical portion; With the bottom of another axial end that seals described cylindrical portion, this bottom has the groove that extends along the bottom circumferential edges.

According to the invention provides a kind of method that recycles the developer box of using on the other hand, described method comprises: collect a used box, described box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, with the receiver member that is arranged on the described wall, described receiver member has first surface of contact and second surface of contact, the first lid member is received within on the described receiver member, contacts and seal the filling mouth with described first surface of contact simultaneously; At least remove the part of the described first lid member and fill mouth to open; By the filling mouth of opening developer is refilled in the developer containing part; Thereby with the second lid member is contacted with second surface of contact seal described filling mouth.

According to the invention provides a kind of method of using developer box on the other hand, described method comprises: prepare a box, described box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, and being arranged on receiver member on the described wall, described receiver member has first surface of contact and second surface of contact; By the filling mouth of opening developer is filled in the developer containing part; Thereby after being filled into developer in the developer containing part, make the first lid member contact first surface of contact and seal described filling mouth; At least remove the part of the described first lid member and fill mouth to open; By the filling mouth of opening developer is refilled in the developer containing part; Thereby with after refilling developer in the developer containing part, make the second lid member contact described second surface of contact to seal described fillings mouth.

According to the invention provides a kind of method of using developer box on the other hand, described method comprises: prepare a box, described box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, outstanding and around described cylindrical wall portion of filling mouthful from wall with the lateral direction of shell with at least one, described at least one cylindrical wall portion comprises first cylindrical wall portion; Developer is filled in the developer containing part by the filling mouth of opening; After being filled into developer in the developer containing part, the first lid member is press fit in one of the cylindrical wall portion of at least one, seals described filling mouth thereby first in the surface of the first lid member and first cylindrical wall portion is contacted; At least a part of removing the first lid member is to open described filling mouth; By the filling mouth of opening developer is refilled in the developer containing part; Select the first lid member and second any one the lid member that covers in the member that is different from the first lid member; On any one of the cylindrical wall portion that after refilling developer, selected lid member is installed in the following manner at least one, when selected lid member is the first lid member, it is pushed insertion first cylindrical wall portion and is ultrasonically welded to first cylindrical wall portion, when selected lid member is that second lid is pushed it during member in one of cylindrical wall portion of inserting at least one, the lip-deep second portion of the cylindrical wall portion of second lid member and this any one at least one is contacted, described second portion is different from described first, thereby seals described filling mouth.

By above-mentioned configuration, the lid member can be pulled down from developer box under the situation of not damaging the filling mouth.This box can prevent that being re-filled the back toner at toner fills a mouthful leakage from toner.This box can determine whether box was re-filled.

Description of drawings

In the accompanying drawing:

Fig. 1 is the sectional side view according to the laser printer of the first embodiment of the present invention;

Fig. 2 is the sectional side view of the handle box that shows of Fig. 1;

Fig. 3 is the side view of the developer box that shows of Fig. 1;

The cut-open view of Fig. 4 A has shown that according to first embodiment lid when initial the use be the filling mouth that how to seal developer box shown in Figure 3;

The cut-open view of Fig. 4 B has shown be how to seal fill mouth toner being filled once more developer box with lid after reusing developer box according to first embodiment;

The cut-open view of Fig. 5 A has shown according to first improved form of first embodiment lid when initial the use it is the filling mouth of closed developer box how;

The cut-open view of Fig. 5 B has shown first improved form according to first embodiment is how to seal to fill mouth toner being filled once more developer box with lid after reusing developer box;

The cut-open view of Fig. 6 A has shown according to second improved form of first embodiment lid when initial the use it is the filling mouth of closed developer box how;

The cut-open view of Fig. 6 B has shown second improved form according to first embodiment is how to seal to fill mouth toner being filled once more developer box with lid after reusing developer box;

The cut-open view of Fig. 7 A has shown according to the 3rd improved form of first embodiment lid when initial the use it is the filling mouth of closed developer box how;

The cut-open view of Fig. 7 B has shown the 3rd improved form according to first embodiment is how to seal to fill mouth toner being filled once more developer box with lid after reusing developer box;

The cut-open view of Fig. 8 A has shown according to the 4th improved form of first embodiment lid when initial the use it is the filling mouth of closed developer box how;

The cut-open view of Fig. 8 B has shown the 4th improved form according to first embodiment is how to seal to fill mouth toner being filled once more developer box with lid after reusing developer box;

The cut-open view of Fig. 9 A has shown according to the 5th improved form of first embodiment lid when initial the use it is the filling mouth of closed developer box how;

The cut-open view of Fig. 9 B has shown the 5th improved form according to first embodiment is how to seal to fill mouth toner being filled once more developer box with lid after reusing developer box;

The cut-open view of Figure 10 A has shown according to the 6th improved form of first embodiment lid when initial the use it is the filling mouth of closed developer box how;

Figure 10 B is the sectional view of seeing with the direction of arrow indication along A-A line among Figure 10 A;

Figure 10 C is the synoptic diagram of the filling oral-lateral columnar portion seen with the B direction among Figure 10 A;

The cut-open view of Figure 11 A has shown that according to second embodiment lid when initial the use be the filling mouth that how to seal developer box shown in Figure 3;

The cut-open view of Figure 11 B has shown filling mouth according to second embodiment is how to open to make toner be filled developer box once more to reuse developer box;

The cut-open view of Figure 11 C has shown that being recharged lid according to second embodiment after filling developer box once more at toner is box filled mouthful of closed developer how;

The cut-open view of Figure 12 A has shown that according to the 3rd embodiment lid when initial the use be the filling mouth that how to seal developer box shown in Figure 3;

The cut-open view of Figure 12 B has shown filling mouth according to the 3rd embodiment is how to open to make toner be filled developer box once more to reuse developer box;

The cut-open view of Figure 12 C has shown according to the 3rd embodiment lid after toner is filled developer box once more be how to seal to fill mouth;

The cut-open view of Figure 13 A has shown that according to the 4th embodiment lid when initial the use be the filling mouth that how to seal developer box shown in Figure 3;

The cut-open view of Figure 13 B has shown filling mouth according to the 4th embodiment is how to open to make toner be filled developer box once more to reuse developer box;

The cut-open view of Figure 13 C has shown being recharged lid according to the 4th embodiment after filling developer box once more at toner is how to seal to fill mouth;

The cut-open view of Figure 14 A has shown that according to the 5th embodiment lid when initial the use be the filling mouth that how to seal developer box shown in Figure 3;

The cut-open view of Figure 14 B has shown filling mouth according to the 5th embodiment is how to open to make toner be filled developer box once more to reuse developer box;

The cut-open view of Figure 14 C has shown being recharged lid according to the 5th embodiment after filling developer box once more at toner is how to seal to fill mouth;

The cut-open view of Figure 15 A has shown according to the 6th embodiment lid when initial the use it is the filling mouth of closed developer box how;

Figure 15 B has shown that how taking off lid according to the 6th embodiment fills mouth to open;

The cut-open view of Figure 15 C has shown being recharged lid according to the 6th embodiment after filling developer box once more at toner is how to seal to fill mouth;

The cut-open view of Figure 16 A has shown that according to the 7th embodiment lid when initial the use be the filling mouth that how to seal developer box shown in Figure 3;

The cut-open view of Figure 16 B has shown filling mouth according to the 7th embodiment is how to open to make toner be filled developer box once more to reuse developer box;

The cut-open view of Figure 16 C has shown being recharged lid according to the 7th embodiment after filling developer box once more at toner is how to seal to fill mouth;

The cut-open view of Figure 17 A has shown according to the improved form of the 3rd embodiment lid when initial the use it is the filling mouth of closed developer box how;

It is how to seal to fill mouthful that the cut-open view of Figure 17 B has shown according to the improved form of the 3rd embodiment lid when first cycle stage;

The cut-open view of Figure 17 C has shown filling when second cycle stage according to the improved form of the 3rd embodiment mouthful is how to open to make toner be filled developer box once more to reuse developer box;

The cut-open view of Figure 17 D has shown recharging lid when second cycle stage according to the improved form of the 3rd embodiment is how to seal to fill mouthful; And

The cut-open view of Figure 17 E has shown recharging lid when the 3rd cycle stage according to the improved form of the 3rd embodiment is how to seal to fill mouthful.

Embodiment

Below in conjunction with accompanying drawing developer box is according to an embodiment of the invention described.

The one-piece construction of＜laser printer 〉

Fig. 1 is the sectional side view that shows according to the laser printer of the first embodiment of the present invention; In Fig. 1, laser printer 1 has paper feed district 4 in its housing 2 and image forms district 5.Paper feed district 4 is used for paper feeding 3.Image forms district 5 and is used for forming image on paper 3.

The structure of＜housing 2 〉

The row's of formation paper disc 6 on the end face of housing 2.Row's paper disc 6 is used for admitting the paper 3 that forms image on it.Be embedded with in a side of row's paper disc 6 have operating key, the guidance panel of LED display part etc.In addition, lean on the attached/dismounting mouth 7 that forms on the sidewall of guidance panel one side in order to attached/handle box 22 that dismounting hereinafter will be described in the housing 2.Set protecgulum 8 is attached in order to open or close/dismounting mouthfuls 7.Protecgulum 8 is supported by the lid axle (not shown) of inserting its end portion.When protecgulum 8 makes when closing for the lid axle at axle center, attached/dismounting mouthfuls 7 is closed by protecgulum 8.When attached/dismounting mouth 7 is opened (inclination) around the lid axle, attached/dismounting mouthful 7 unlatchings.Handle box 22 can be attached on the housing 2 or disassembles from it via attached/dismounting mouthfuls 7.

In the following description, the side that protecgulum is set is defined as the front side of laser printer 1.A side relative with the front side is defined as its rear side.Be defined as the Width of laser printer 1 perpendicular to the horizontal direction of this fore-and-aft direction.

Suppose that laser printer 1 places with the direction of plan using, in whole explanations, use " making progress ", " downwards ", " on ", D score, " top ", " below ", " under ", terms such as " left side ", " right side ".In use, laser printer 1 is placed as shown in Figure 1.

The structure in＜paper feed district 〉

Paper feed district 4 has sheet feed tray 9, paper pressing plate 10, paper feed roller 11, paper feed pad 12, paper scrap kicker cylinder 13 and 14 and a pair of registration rollers 15.Sheet feed tray 9 attaches to the bottom of housing 2 separably.Paper pressing plate 10 is arranged in the sheet feed tray 9.Paper feed roller 11 and paper feed pad 12 are arranged on the top, end of sheet feed tray 9 front sides.Paper scrap kicker cylinder 13 and 14 is arranged on the downstream of paper feed roller 11 along paper 3 direction of transfers.Registration rollers 15 is arranged on paper scrap kicker cylinder 13 and 14 downstreams along paper 3 direction of transfers.

But stack paper 3 on the paper pressing plate 10, and are supported for and can rotate around its end pivot away from paper feed roller 11.Therefore can be movable in vertical direction from paper feed roller 11 nearer the other end.Paper pressing plate 10 is promoted from its rear side in vertical direction by the spring (not shown).Therefore, along with the increase of paper 3 quantity of piling up, paper pressing plate 10 rotates around its downward pivot of expulsive force away from the end resistance spring of paper feed roller 11.Paper feed roller 11 and paper feed pad 12 are toward each other.The spring 16 that paper feed pad 12 is set at paper feed pad 12 dorsal parts presses to paper feed roller 11.

The paper 3 that is positioned at the uppermost position that the stacker on the paper pressing plate 10 opens is subjected to from the expulsive force of the spring of paper pressing plate 10 dorsal parts and presses to paper feed roller 11.Paper 3 is sandwiched between paper feed roller 11 and the paper feed pad 12 because of the rotation of paper feed roller 11, makes to present a piece of paper at every turn.

In addition, paper scrap is eliminated by paper scrap kicker cylinder 13 and 14.Thereafter, paper transmits through registration rollers 15.

After paper 3 was carried out alignment, a pair of registration rollers 15 was sent to the transfer position (with between the photosensitive drums 32 and transfer roll 34 described, promptly the toner image on the photosensitive drums 32 is transferred to the position on the paper 3 hereinafter) that image forms district 5 with paper 3.

Paper feed district 4 also has versatile disc 17, versatile disc side paper feed roller 18 and versatile disc side paper feed pad 19.Versatile disc side paper feed roller 18 and versatile disc side paper feed pad 19 are used for presenting the paper 3 that is stacked on the versatile disc 17.Versatile disc side paper feed roller 18 and versatile disc side paper feed pad 19 are toward each other.Versatile disc side paper feed pad 19 is pressed to versatile disc side paper feed roller 18 by the spring 20 that is arranged on its dorsal part.

Along with the rotation of versatile disc side paper feed roller 18, be stacked on paper 3 on the versatile disc 17 and be sandwiched between multifunctional side paper feed roller 18 and the multifunctional side paper feed pad 19 ground and present.

＜image forms the structure in district 〉

Image forms district 5 and has scanning area 21, handle box 22 and photographic fixing district 23.

The structure of＜scanning area 〉

Scanning area 21 is arranged on the top in the housing 2.Scanning area 21 has the laser emitting region (not shown), the polygon mirror 24 that is driven in rotation, lens 25 and 26, and catoptron 27,28 and 29.Laser beam is launched from laser emitting region based on view data, therefrom passes or reflection thereon with polygon mirror 24, lens 25, catoptron 27 and 28, lens 26 and catoptron 29 such orders, shown in dot-and-dash line.Thereby laser beam shines on the surface of the photosensitive drums 32 in the handle box 22 by high-velocity scanning.

The structure of＜handle box 〉

Fig. 2 is the sectional side view of handle box 22.

Handle box 22 is installed in the position of scanning area 21 belows in the housing 2 separably.Handle box 22 has bulging box 30 and attaches to the developer box 31 of bulging box 30 separably.

The structure of＜drum box 〉

As shown in Figure 2, drum box 30 has box framework 103, and is arranged on the photosensitive drums 32 on the box framework 103, grid-control formula corona charging device 33, transfer roll 34 and cleaning brush 35.

Photosensitive drums 32 has cylindrical drums body 55 and metal drum axle 56.Drum body 55 has by the outmost surface layer of making such as the photosensitive material of polycarbonate, and it has and fills positive electrical characteristics.Drum axle 56 vertically extends on the axis of drum body 55 along drum body 55.Drum axle 56 along the Width of box framework 103 non-rotatably by two side wall support.Drum body 55 can be supported rotatably with respect to drum axle 56.Therefore, photosensitive drums 32 can be with respect to box framework 103 around 56 rotations of drum axle.

Grid-control formula corona charging device 33 is arranged on photosensitive drums 32 tops, and is relative with photosensitive drums 32 and certain distance is arranged between the two, makes grid-control formula corona charging device 33 not contact with photosensitive drums 32.Grid-control formula corona charging device 33 has discharge silk 57 and grid 58.

Discharge silk 57 Widths along box framework 103 extend between the two side.

Grid 58 is arranged at the downside of discharge silk 57, and broad ways is extended, and is being clipped on the Width of box framework 103 between two sidewalls.

Transfer roll 34 along the Width of box framework 103 rotatably by two side wall support.As shown in Figure 2, transfer roll 34 and photosensitive drums 32 are relative and contact with it from the downside of photosensitive drums 32 in vertical direction, thereby form roll gap between transfer roll 34 and photosensitive drums 32.Transfer roll 34 constitutes by coat the roll body of being made by conductive rubber material 61 on metal transfer printing roll shaft 60.

Cleaning brush 35 is arranged on the rear side of photosensitive drums 32.The bristle of cleaning brush 35 is arranged on the back up pad of the strip rectangle that broad ways extends.Cleaning brush 35 is set to relative on fore-and-aft direction with photosensitive drums 32, makes the bristle broad ways contact with the surface of photosensitive drums 32.

The structure of＜developer box 〉

Fig. 3 is the left view of developer box 31.

As shown in Figure 2, developer box 31 is provided in the box-like development housing 63 of rear openings, and is arranged on donor rollers 64, developer roll 65 and layer thickness regulating blade 66 in the development housing 63.

Development housing 63 integrally has pair of sidewalls (left side wall and right side wall) 67, lower wall 69 and upper wall 70.Pair of sidewalls 67 is set to toward each other, and maintains certain distance between the two on Width.Lower wall 69 and upper wall 70 are arranged on upside and downside, in order to connect sidewall 67.

As shown in Figure 3, the left side wall 67 of development housing 63 is equipped with neutral gear 72, stirrer-driven gear 73, developer roll driven wheel 74 and donor rollers driven wheel 75.Neutral gear 72 is meshed with input gear 71.Stirrer-driven gear 73 is arranged at the front side of neutral gear 72 and is meshed with neutral gear 72.Developer roll driven wheel 74 is positioned at the rear side of the oblique below input gear 71 of importing gear 71 and is meshed with input gear 71.Donor rollers driven wheel 75 is arranged on the below of input gear 71 and is meshed with input gear 71.Driving force from the motor (not shown) in laser printer 1 housing 2 is imported into input gear 71.

Be formed in the left side wall 67 and be positioned at the oblique upper of stirrer-driven gear 73 front sides in order to the filling mouth 76 of in toner container cavity 85, filling toner.Fill mouthfuls 76 with toner container cavity 85 corresponding positions on form the circle of passing sidewall 67 along the thickness direction of sidewall 67.Filling mouthfuls 76 is communicated with toner container cavity 85 fluids.Fill 77 sealings of mouth 76 usefulness lids and pass through to fill mouthful 76 leakages to prevent the toner in the toner container cavity 85.

Lower wall 69 has along the plate shape of fore-and-aft direction and Width extension, and integrally has posterior inferior wall portion 78 and preceding lower wall portion 79.As shown in Figure 2, posterior inferior wall portion 78 is used for separating the development chamber 84 that hereinafter will describe.Before lower wall portion 79 continuous with the forward edge of posterior inferior wall portion 78, and have along the rotate path of stirrer 87 (the hereinafter describing) cross section of camber basically.Lower wall 69 is set to be clipped between two sidewalls 67.

Following separating part 81 broad ways that have triangularity cross section basically and project upwards are formed on the border between posterior inferior wall portion 78 and the preceding lower wall portion 79.

Upper wall 70 is tabular.Last demarcation strip 83 broad ways are formed on the lower surface of upper wall 70 and are outstanding downwards, and are relative with the following separating part 81 of lower wall 69.

In addition, in development housing 63, last demarcation strip 83 and and the inner space of following separating part 81 back be defined as development chamber 84.Another inner space of last demarcation strip 83 and following separating part 81 fronts is defined as toner container cavity 85.

Having the nonmagnetic single component toner that fills positive electrical characteristics is contained in the toner container cavity 85.Toner is according to the known process for copolymerization such as suspension polymerization, by copolymerization such as cinnamic styrene monomer or such as acrylic acid, the acrylic monomers of alkyl (C1 to C4) acrylate or methyl alkyl (C1 to C4) acrylate and the polymerized toner that obtains.This polymerized toner particle is spheric grain and has outstanding flowing property.Therefore, can form high-quality image.

Toner is mixed with the colorant such as carbon black or paraffin.For the energy that improves liquidity, can add external additive such as silicon dioxide.The toner particle diameter is about 6～10 μ m.

Also have, stirrer 87 is set in toner container cavity 85, be used for stirring the toner in the toner container cavity 85.At the core of toner container cavity 85, the stirrer turning axle 88 that stirrer 87 is extended by broad ways supports.

Donor rollers 64 is arranged at the preceding downside in development chamber 84, and rotatably is supported between two sidewalls 67 of development housing 63.Donor rollers 64 has metal and supplies with roll shaft 89 and sponge roll body 90.Supply roll shaft 89 extends on Width.The sponge roll body of being made by conductive foams 90 is coated on the excircle of supplying with roll shaft 89.

Developer roll 65 is arranged on the back downside in development chamber 84.Developer roll 65 and donor rollers 64 pressurizeds and be in contact with one another.The rear portion of developer roll 65 is exposed to the rear side of development housing 63.Developer roll 65 has metal development roll shaft 91, and its rubber roll body 92 of being made by conductive rubber material coats.Rubber roll body 92 coats the excircle of development roll shaft 91.Rubber roll body 92 is made by the conductive polyurethane rubber or the silicon rubber that contain thin carbon particle.The surface of rubber roll body 92 is coated by fluorine-containing urethane rubber or silicon rubber.The shaft end of development roll shaft 91 both sides is set to broad ways and is projected into the outside from two sidewalls 67 of development housing 63, as shown in Figure 3.

As shown in Figure 2, layer thickness regulating blade 66 is formed by metal leaf springs.It is the semicircular rubber component 93 of pushing that layer thickness regulating blade 66 has the xsect of being made by electrically insulating silicone rubber in its end portion.In addition, layer thickness regulating blade 66 is supported on developer roll 65 tops by development housing 63.It is right that the rubber roll body 92 of the end portion of layer thickness regulating blade 66 and developer roll 65 is practised physiognomy from the front side.Pushing rubber component 93 is subjected to from the pushing of elastic force of layer thickness regulating blade 66 and contacts with the surface of rubber roll body 92.

Driving force is imported into the input gear 71 of developer box 31.Owing to this driving force stirrer 87 rotates around stirrer turning axle 88.Then, the toner in toner container cavity 85 is stirred and sends to development chamber 84 between last demarcation strip 83 and following separating part 81.Then, toner is fed on the developer roll 65 along with the rotation of donor rollers 64.At this moment, toner is because the friction between the rubber roll body 92 of the sponge roll body 90 of donor rollers 64 and developer roll 65 and positively charged.Along with the rotation of developer roll 65, enter into pushing between the rubber component 93 and becoming the uniform thin layer of thickness of developer roll 65 and layer thickness regulating blade 66 at the toner on the developer roll 65.This toner layer is carried on the developer roll 65.

Simultaneously, the surface of photosensitive drums 32 is filled with positive electricity equably by grid-control formula corona charging device 33.Thereafter, the laser beam in the surperficial origin self-scanning district 21 of photosensitive drums 32 is exposed by high-velocity scanning.Thereby formed electrostatic latent image according to view data.

Then, along with the rotation of developer roll 65, the toner that is carried on the positively charged on the developer roll 65 and photosensitive drums 32 are relative and be in contact with it.At this moment, toner is fed into the electrostatic latent image that forms on photosensitive drums 32.That is to say that on the surface of evenly filling with the photosensitive drums of positive electricity, toner is provided for by laser beam lithography and exposure area with low potential.Therefore, toner is carried on the photosensitive drums 32 selectively, and electrostatic latent image is developed and is visible toner image.As a result, form toner image by discharged-area development.

Photosensitive drums 32 and transfer roll 34 are activated and rotate and retaining clip paper 3 betwixt.Thereby paper 3 transmits between photosensitive drums 32 and transfer roll 34.Being carried on photosensitive drums 32 lip-deep toner image therefore is transferred on the paper 3.

The structure in＜photographic fixing district 〉

As shown in Figure 1, photographic fixing district 23 is arranged on handle box 22 rear sides, and is positioned at the downstream of paper 3 direction of transfers.Photographic fixing district 23 has warm-up mill 94, push warm-up mill by pressure roller 95 and a pair of transfer roller 96.It is relative with warm-up mill 94 to press pressure roller 95.A pair of transfer roller 96 is arranged on warm-up mill 94 and by the downstream of pressure roller 95 on paper 3 direction of transfers.

Warm-up mill 94 is made of metal, and the Halogen lamp LED that is used for heating therein is installed in the warm-up mill 94.In photographic fixing district 23, when paper 3 by warm-up mill 94 with when pressing between the pressure roller 95, be transferred to toner image on the paper 3 by hot photographic fixing by handle box 22.Thereafter, paper 3 is transmitted on roller 96 row's of being sent to paper passages 97.Paper 3 is transferred into exit roller 98, and is discharged on the paper disc 6 by exit roller 98.

In this laser printer 1, be transferred after roller 34 is transferred on the paper 3 at image, stay photosensitive drums 32 lip-deep residual toner and be developed roller 65 and adopt so-called cleaner-less method to collect.Because the toner of staying on the photosensitive drums 32 is collected by the cleaner-less method, therefore do not need cleaning device not need the storage area of useless toner yet.The structure of equipment 1 can be simplified.

＜reverse the structure that transmits the district 〉

Laser printer 1 is equipped with and oppositely transmits district 99, in order to form image on two opposing faces of paper 3.Oppositely transmit district 99 and have exit roller 98, oppositely transmit path 10 0, shifting board 101 and several reverse transfer rollers 102.

Exit roller 98 is made up of pair of rolls, and can conrotatory change and contrary rotation between switch.For paper 3 is discharged on the paper disc 6, exit roller 98 is with forward rotation.Otherwise in order to make paper 3 upsets, exit roller 98 is with retrograde rotation.

Oppositely transmit path 10 0 and vertically be provided with, make paper 3 to be sent to several and be positioned at the reverse transfer roller 102 that image forms the below, position from exit roller 98.The end position of passage upstream side is near exit roller 98.The close oppositely transfer roller 102 in its position at the other end in downstream.

Shifting board 101 is set to towards row's paper passage 97 and oppositely transmits component between the path 10 0.Shifting board 101 is pivotable.Excitation by the solenoid that do not show or do not encourage, shifting board 101 will be switched to direction towards reverse transmission path 10 0 from the direction towards row's paper passage 97 by the direction of transfer of the reverse paper 3 of exit roller 98.

Several reverse transfer rollers 102 are arranged on sheet feed tray 9 tops with horizontal direction.The position of the reverse transfer roller 102 of upstream side is near the rear end part that oppositely transmits path 10 0.102 belows that are positioned at registration rollers 15 of reverse transfer roller in downstream.

In order on two faces of paper 3, to form image, oppositely transmit district 99 running as follows.That is to say that the paper 3 that has been formed with image on face is transmitted roller 96 and is sent to exit roller 98 from row's paper passage 97.Then, the exit roller 98 that the centre accompanies paper 3 forward rotates, and the direction that paper 3 (is arranged paper disc 6 one sides) with laterally transmits once.Outside the major part of paper 3 was fed to, when the rear end was clipped between the exit roller 98, forward rotation stopped.Subsequently, direction of transfer is switched in exit roller 98 beginning retrograde rotations, makes paper 3 be transferred into reverse transmission path 10 0.Paper 3 is transmitted along oppositely transmitting path 10 0, but its forward position and back are along being reversed.After the transmission of paper 3 was finished, shifting board 101 switched back original state, and promptly the paper of presenting from transfer roller 96 3 will be transferred into the state of exit roller 98.

Paper 3 is sent to reverse transfer roller 102 along reverse transmission path 10 0 with opposite direction.Paper 3 further overturns towards last direction from reverse transfer roller 102, and is transferred into registration rollers 15.Under the upset situation, paper 3 is once more by registration rollers 15 alignments.Thereafter, paper 3 is transferred into image and forms the position.Therefore image just is formed on two faces of paper 3.

How to be sealed below with reference to Fig. 4 A and Fig. 4 B description filling mouth 76 by lid 77.Fig. 4 A shows how fill mouth 76 when developer box 31 initial uses is sealed by lid 77.Fig. 4 B shows when developer box 31 is used again, and promptly after using up in the initial use of toner at developer box 31 and fill toner once more in developer box 31, how filling mouth 76 is sealed by lid 77.

Shown in Fig. 4 A, developer box 31 has fills a mouthful cylindrical portion 111.Fill a mouthful cylindrical portion 111 and be projected into housing 63 outsides from sidewall 67.It is outstanding from the outer circumferential edges of circle filling mouth 76 to fill mouthful cylindrical portion 111.Filling a mouthful cylindrical portion 111 is hollow post shapes.In other words, filling mouthful cylindrical portion 111 is circular perpendicular to the cross section of its longitudinal axis.

Fill a mouthful cylindrical portion 111 and have inner peripheral surface 112, outer circumference surface 113 and top end face 114.Top end face 114 is between face 112 and face 113.Form teat 115 on the top end face 114.

Lid 77 insertions are filled mouthful cylindrical portion 111 and are filled mouth 76 with sealing.Lid 77 integrally has insertion section 123 and flange part 116.Insertion section 123 is open column shapes that the end is arranged.In other words, insertion section 123 has cylindrical portion 123a and bottom 123b.Cylindrical portion 123a is the open column shape, and bottom 123b is circular.Flange part 116 is an annular.Bottom 123b extends radially inwardly to seal this axle head of cylindrical portion 123a from the axle head of cylindrical portion 123a.Flange part 116 extends radially outwardly from another axle head of cylindrical portion 123a, and keeps this axle head opening of cylindrical portion 123a.Cylindrical portion 123a contacts inner peripheral surface 112, the teat 115 of flange part 116 contact top end faces 114.

When fill toner in a new developer box 31 after, insertion section 123 pressurizeds of lid 77 are inserted into fills in mouthful cylindrical portion 111, shown in Fig. 4 A.Therefore, the external peripheral surface of cylindrical portion 123a matches with the inner peripheral surface 112 of filling mouthful cylindrical portion 111 hermetically or airtightly, makes can not leak any air or fluid between cylindrical portion 123a and the filling mouthful cylindrical portion 111.Therefore, prevented that the toner that holds in the toner container cavity 85 from letting out through filling mouth 76.

Thereby when lid 77 is press-fitted in the filling mouthful cylindrical portion 111, fills the top end face 114 of mouthful cylindrical portion 111 and the flange part 116 of lid 77 and be in contact with one another with the form of inserting teat 115 between the two.

Simultaneously, the amount of the toner that contains in the toner container cavity 85 is along with laser printer 1 print image and reducing on paper 3.When the toner in the toner container cavity 85 exhausts, developer box 31 is substituted down and with another developer box of filling toner from housing 2 dismountings.Empty developer box 31 is preferably collected by the manufacturer of laser printer 1, and recycles to economize on resources by recharge toner in toner container cavity 85.

Notice that the little gap that is about as much as teat 115 height is present between the flange part 116 of top end face 114 and lid 77.In other words, filling the top end face 114 of mouthful cylindrical portion 111 and the flange part 116 of lid 77 is not closely to contact each other.Therefore,, can take off lid 77, under the situation of not damaging top end face 114, will fill mouth 76 and open from filling a mouthful cylindrical portion 111 by the tip of remover 128 being inserted in the gap shown in Fig. 4 A.Then, toner refills in the toner container cavity 85 by filling mouth 76.

Thereafter, the insertion section 123 of lid 77 is force-fitted in once more and fills in mouthful cylindrical portion 111.Then, the upper surface with respect to the surface of the contact teat 115 of flange part 116 of the flange part from Fig. 4 B 116 carries out ultra-sonic welded to teat 115.Therefore, the surface of teat 115 and the flange part 116 that is in contact with it is by the ultra-sonic welded jail.

Notice that compare with the another kind of situation of carrying out ultra-sonic welded between the surface, ultrasonic vibration more concentrates on the teat.Therefore, can finish welding effectively according to present embodiment.

Shown in Fig. 4 B, teat 115 is melted, and the top end face 114 of the flange part 116 of lid 77 and filling mouthful cylindrical portion 111 is by fastened to each other securely.Note, when lid 77 is taken off from filling a mouthful cylindrical portion 111, top end face 114 accidental impaired situations might occur.Even this situation occurs, after lid 77 is welded on the filling mouthful cylindrical portion 111, can prevent that still toner from leaking from fill mouthful cylindrical portion 111 shown in Fig. 4 B.

＜the first improved form 〉

Filling mouthful cylindrical portion 111 and lid 77 can carry out the improvement shown in Fig. 5 A and Fig. 5 B.

That is to say that the teat 115 shown in Fig. 4 A is not formed on the top end face 114, but on top end face 114, form the step portion 117 shown in Fig. 5 A.Step portion 117 is mutually continuous with inner peripheral surface 112.Form inclined-plane 118 on the lid 77.Inclined-plane 118 is along radially outward expanding or broaden to the direction of flange part 116 from bottom 123b.Lid 77 contacts with step portion 117 on its inclined-plane 118.

When fill toner in a new developer box 31 after, insertion section 123 pressurizeds of lid 77 are inserted into fills in mouthful cylindrical portion 111, shown in Fig. 5 A.As a result, 112 one-tenth air-tight fit of the outer circumference surface of cylindrical portion 123a and inner peripheral surface.Prevent that the toner that holds in the toner container cavity 85 from leaking from filling mouthful cylindrical portion 111.

When the toner that contains in the toner container cavity 85 exhausted, another developer box of filling toner substituted with developer box 31 usefulness.Empty developer box 31 manufactured merchants reclaim and recycle.

Notice that lid 77 has inclined-plane 118.Therefore, be force-fitted under the state of filling in mouthful cylindrical portion 111, have little gap between flange part 116 and the top end face 114 at lid 77.Flange part 116 and top end face 114 do not contact with each other securely.Therefore, by this gap is inserted at the tip of remover, can take off lid 77 and do not damage top end face 114, thereby can in toner container cavity 85, fill toner to recycle.

When refill toner in toner container cavity 85 after, the insertion section 123 of lid 77 pressurized once more is inserted in the filling mouthful cylindrical portion 111.Then, 118 sides are carried out ultra-sonic welded to step portion 117 from the inclined-plane.Ultrasonic vibration concentrates on fills in mouthful cylindrical portion 111 and the step portion 117 that inclined-plane 118 contacts.Therefore, can finish welding effectively.That is to say, shown in Fig. 5 B, 117 fusions of step portion, the inclined-plane 118 of lid 77 and the step portion of top end face 114 117 are by fastened to each other securely.Even with lid 77 top end face 114 accidental being damaged when the state shown in Fig. 5 A takes off, be in shown in Fig. 5 B that attached lid 77 can prevent that also toner from leaking from filling mouthful cylindrical portion 111 under the state.

＜the second improved form 〉

Filling mouthful cylindrical portion 111 and lid 77 can carry out the improvement shown in Fig. 6 A and Fig. 6 B.

Under this improvement, the teat 115 shown in Fig. 4 A is not formed on the top end face 114 shown in Fig. 5 A.Inclined-plane 120 is formed on lid 77 upper cover 77 and the inner circumferential edge portion 119 position contacting places of filling mouthful cylindrical portion 111, and this inner circumferential edge portion 119 is limited between top end face 114 and the inner peripheral surface 112.Inclined-plane 120 is along radially outward expanding or broaden to the direction of flange part 116 from bottom 123b.

When fill toner in a new developer box 31 after, insertion section 123 pressurizeds of lid 77 are inserted into fills in mouthful cylindrical portion 111, as shown in Figure 6A.As a result, 112 one-tenth air-tight fit of the outer circumference surface of cylindrical portion 123a and inner peripheral surface.The toner that is contained in the toner container cavity 85 is prevented from leaking from filling mouthful cylindrical portion 111.

When the toner that contains in the toner container cavity 85 exhausted, another developer box of filling toner substituted with developer box 31 usefulness.Empty developer box 31 manufactured merchants reclaim and recycle.

Notice that lid 77 has inclined-plane 120.Therefore, be press-fitted under the state of filling in mouthful cylindrical portion 111, have little gap between flange part 116 and the top end face 114 at lid 77.Flange part 116 and top end face 114 do not contact with each other securely.Therefore, just can take off lid 77 and not damage top end face 114 by the tip of remover being inserted this gap, thereby can in toner container cavity 85, refill toner to recycle.

When refill toner in toner container cavity 85 after, the insertion section 123 of lid 77 pressurized once more is inserted in the filling mouthful cylindrical portion 111.Then, the internal circumferential edge portions 119 of 120 sides is carried out ultra-sonic welded from the inclined-plane.Ultrasonic vibration concentrates on fills in mouthful cylindrical portion 111 and the inner circumferential edge portion 119 that inclined-plane 120 contacts.Therefore, can finish welding effectively.That is to say, shown in Fig. 6 B, 119 fusions of inner circumferential edge portion, the inclined-plane 120 of lid 77 and the inner circumferential edge portion of top end face 114 119 are by fastened to each other securely.Even with lid 77 top end face 114 accidental being damaged when the state shown in Fig. 6 A takes off, be in shown in Fig. 6 B that attached lid 77 can prevent that also toner from leaking from filling mouthful cylindrical portion 111 under the state.

＜the three improved form 〉

Filling mouthful cylindrical portion 111 and lid 77 can carry out the improvement shown in Fig. 7 A and Fig. 7 B.

Under this improvement, form the teat 122 shown in Fig. 7 A on the lid 77.Teat 122 is in the external peripheral surface upper flange part 116 of lid 77 and the position between the cylindrical portion 123a.Replace the teat 115 shown in Fig. 4 A, inclined surface 121 is formed on top end face 114 and teat 122 contacted positions on the top end face 114 of filling mouthful cylindrical portion 111.

When fill toner in a new developer box 31 after, insertion section 123 pressurizeds of lid 77 are inserted into fills in mouthful cylindrical portion 111, shown in Fig. 7 A.As a result, 112 one-tenth air-tight fit of the outer circumference surface of cylindrical portion 123a and inner peripheral surface.The toner that is contained in the toner container cavity 85 is prevented from leaking from filling mouthful cylindrical portion 111.

When the toner that contains in the toner container cavity 85 exhausted, another developer box of filling toner substituted with developer box 31 usefulness.Empty developer box 31 manufactured merchants reclaim and recycle.

Notice that teat 122 does not contact securely with inclined-plane 121.In addition, the area of the surface of contact between top end face 114 and the flange part 116 is also little.Therefore, can easily take off lid 77, thereby toner can refill into toner container cavity 85 to recycle from top end face 114.

When refill toner in toner container cavity 85 after, the insertion section 123 of lid 77 pressurized once more is inserted in the filling mouthful cylindrical portion 111.Then, on teat 122, carry out ultra-sonic welded.Ultrasonic vibration concentrates on teat 122.Therefore, can finish welding effectively.That is to say, shown in Fig. 7 B, teat 122 fusions, lid 77 is fixedly secured on the inclined-plane 121.Even with lid 77 top end face 114 accidental being damaged when the state shown in Fig. 7 A takes off, being in the lid state under 77 shown in Fig. 7 B and can preventing that also toner is from filling 111 leakages of mouthful cylindrical portion.

＜the four improved form 〉

Filling mouthful cylindrical portion 111 and lid 77 can carry out the improvement shown in Fig. 8 A and Fig. 8 B.

Under this improvement, shown in Fig. 8 A, teat 115 is not formed on the top end face 114.Lid 77 is forming thinning part 124 between flange part 116 and cylindrical portion 123a on its external peripheral surface.Thinning part 124 is thinner than the remainder of lid 77.In addition, teat 125 is formed on flange part 116 on a side of top end face 114.

When fill toner in a new developer box 31 after, insertion section 123 pressurizeds of lid 77 are inserted into fills in mouthful cylindrical portion 111, shown in Fig. 8 A.As a result, 112 one-tenth air-tight fit of the outer circumference surface of cylindrical portion 123a and inner peripheral surface.The toner that contains in the toner container cavity 85 is prevented from leaking from filling mouthful cylindrical portion 111.

When the toner that contains in the toner container cavity 85 exhausted, another developer box of filling toner substituted with developer box 31 usefulness.Empty developer box 31 manufactured merchants reclaim and recycle.

Notice that lid 77 is to be press-fitted in the form that top end face 114 and flange part 116 contact with each other by teat 125 to fill in mouthful cylindrical portion 111.Therefore, being equivalent to teat 125 little gap highly basically is present between the flange part 116 of top end face 114 and lid 77.Therefore, just can take off lid 77 and not damage top end face 114 by the tip of remover being inserted this gap, thereby can in toner container cavity 85, refill toner to recycle.

When refill toner in toner container cavity 85 after, the insertion section 123 of lid 77 pressurized once more is inserted in the filling mouthful cylindrical portion 111.From flange part 116 one sides teat 125 carried out ultra-sonic welded thereafter.Therefore, shown in Fig. 8 B, teat 125 fusions, the flange part 116 of lid 77 is fixedly secured on the top end face 114 of filling oral-lateral cylindrical portion 111.Even with lid 77 top end face 114 accidental being damaged when the state shown in Fig. 8 A takes off, the lid 77 that is in state shown in Fig. 8 B can prevent that also toner from leaking from filling mouthful cylindrical portion 111.

Also have, in the present embodiment, thinning part 124 is formed in the lid 77.Therefore, there is little space between top end face 114 and the flange part 116.When exerting pressure on the surperficial relative upper surface that is in contact with it top end face 114 at the flange part shown in Fig. 8 B 116 when carrying out ultra-sonic welded, this space is used as buffering.In other words, this space prevents to be pressed into and to be fixed on the lid 77 of filling in mouthful cylindrical portion 111 and is pressed further into a filling mouthful cylindrical portion 111.This lid 77 was pressed into the state of filling mouthful cylindrical portion 111 even can remains to after the ultra-sonic welded always before ultra-sonic welded.

In the foregoing description, teat 125 is formed on the flange part 116 of lid 77.Yet teat also can substitute and be formed on the top end face 114 of filling mouthful cylindrical portion 111.

＜the five improved form 〉

Fill mouthful cylindrical portion 111 and cover 77 and can shown in Fig. 9 A and Fig. 9 B, be modified.

In this improved form, shown in Fig. 9 A, teat 115 is not formed on the tip surface 114.The flange part 116 contact top end faces 114 of lid 77.The external diameter of the flange part 116 of lid 77 is bigger than the external diameter of filling mouthful cylindrical portion 111.Therefore, flange part 116 be connected to from inner circumferential surface 112 top end face 114 top end face 114 inner circumferential edge outward circumferential surface 113 outer circumferential edges that is connected to the top end face 114 at top end face 114 places extend radially outwardly, and further extend radially outwardly from the external peripheral surface of top end face 114.In other words, flange part 116 has: the inner radial 116a that contacts with top end face 114 and radial outside that is positioned at filling mouthful cylindrical portion 111 and the 116b of the portion that extends radially outwardly that does not contact with top end face 114.

Fill toner in a new developer box 31 after, the insertion section 123 of lid 77 is pressed to insert and fills a mouthful cylindrical portion 111, shown in Fig. 9 A.As a result, the external peripheral surface of cylindrical portion 12a and inner circumferential surface 112 form air-tight fit.The toner that contains in toner container cavity 85 is prevented from leaking by filling mouthful cylindrical portion 111.

When the toner that contains in toner container cavity 85 had been consumed, developer box 31 was replaced by the developer box that another is full of toner.Empty developer box 31 manufactured merchants collect and recycle.Lid 77 can cover 77 the 116b of the portion that extends radially outwardly and is easy to unload by arresting, and toner can be re-filled in the toner container cavity 85 to recycle.

Refill toner in toner container cavity 85 after, the insertion section 123 of lid 77 is pressed again to insert and fills in mouthful cylindrical portion 111.Then, the 116b of the portion that extends radially outwardly to flange 116 carries out ultra-sonic welded.As a result, shown in Fig. 9 B, the portion 116b of extending radially outwardly is melted and is fixed to the point of the external peripheral surface 113 of filling mouthful cylindrical portion 111.Even when lid 77 states top end face 114 accidental being damaged when disassembling, can prevent still that at the lid 77 of Fig. 9 B state toner from leaking from filling mouthful cylindrical portion 111 from Fig. 9 A.

In this improved form, do not form any teat at top end face 114 and the contact site that covers between 77.But, can and cover contact portion between 77 at top end face 114 and be at least one among both of top end face 114 and lid 77 and form teat.Teat is prominent among both another of top end face 114 and lid 77.In this case, when filling toner once more when recycling, lid 77 can more easily be removed.

Fill toner once more and will cover 77 push insert to fill in mouthful cylindrical portion 111 after, in the top end face 114 of filling mouthful cylindrical portion 111 and the contact site office of lid 77 teat is carried out ultra-sonic welded.As a result, fill mouthful cylindrical portion 111 and firmly fix mutually, can prevent that toner from leaking from filling mouthful cylindrical portion 111 with lid 77.Thereby lid 77 can unload when recycling at an easy rate.Filling toner once more with after recycling, lid 77 and fill mouthful cylindrical portion 111 both can be fastened to each other securely.Therefore, can prevent reliably that toner from leaking from filling mouthful cylindrical portion 111.

＜the six improved form 〉

The configuration of above-mentioned the 5th improved form can be made the A as Figure 10, the modification shown in Figure 10 B and Figure 10 C.Just, fill a mouthful cylindrical portion 111 and can partly be excised, fill the part formation through hole 126 that the zone of 77 cylindrical portion 123a cover in 111 contacts of mouthful cylindrical portion at it.In this case, development shell 63 forms from left side wall 67 to the outstanding outstanding wall portion 127 in the outside of development shell 63.The position of outstanding wall portion 127 is relative with the through hole 126 of filling mouthful cylindrical portion 111.For the ease of understanding, outstanding wall portion 127 omits in Figure 10 B.Shown in Figure 10 B, the external peripheral surface of the cylindrical portion 123a of lid 77 exposes by through hole 126.

In this case, in order toner to be refilled in the toner container cavity 85 with recycling, the tip of remover 128 is inserted into through hole 126, and it is contacted with surfaces that lid 77 exposes.Then, remover 128 rotates around the summit pivot of outstanding wall portion 127, and the effect of balance pivot is played on this summit.Thereby lid 77 can be at an easy rate unloads and can not damage top end face 114 from filling a mouthful cylindrical portion 111.

In this improved form, do not form any teat at top end face 114 and the contact portion covered between 77.But, can at least one among both of top end face 114 and lid 77, form teat at top end face 114 and the contact portion of covering between 77.Teat is prominent among both another of top end face 114 and lid 77.In this case, when filling toner once more when recycling, lid 77 can more easily be removed.Fill toner once more and cover 77 be pressed into fill in mouthful cylindrical portion 111 after, the flange part 116 of filling mouthful cylindrical portion 111 and lid 77 is by ultra-sonic welded mutually.Thereby, can prevent that toner from leaking from fill mouthful cylindrical portion 111.

In above-mentioned first embodiment and each improved form thereof, whether developer box 31 can depend on that through filling toner once more covering 77 is to be pressed to be inserted into to fill in mouthful cylindrical portion 111 or be ultrasonically welded to fill mouthful cylindrical portion 111 and determined reliably.That is to say that be pressed to insert as operculum 77 and fill in mouthful cylindrical portion 111, developer box 31 can be confirmed as not through filling toner once more.Otherwise, being ultrasonically welded to a filling mouthful cylindrical portion 111 as operculum 77, developer box 31 can be confirmed as through filling toner once more.

Can notice in the superincumbent description that what use is same lid 77 before and after filling once more.But,, after filling once more, just use new lid 77 if lid 77 is damaged when lid 77 is removed.

In above-mentioned first embodiment and improved form thereof, filling a mouthful cylindrical portion 111 is have round section cylindrical.But it must be cylindrical filling that a mouthful cylindrical portion 111 do not need, as long as this part is a cylindricality, and has identical cross section get final product on its whole axial length.

Through hole 126 shown in Figure 10 A and Figure 10 B can be formed in first embodiment and first to the 4th improved form thereof in any one filling mouthful cylindrical portion 111.In this case, developer box 63 can be equipped with the outstanding wall portion 127 shown in Figure 10 A and Figure 10 C.

In first embodiment and the first to the 4th and the 6th improved form thereof, from Fig. 4 A to Fig. 8 B and Figure 10 A can find out significantly that to Figure 10 B flange part 116 has and the 5th improved form 116b of portion that similarly extends radially outwardly.But in first embodiment and the first to the 4th and the 6th improved form thereof, flange part 116 can not have the 116b of the portion of extending radially outwardly, and has only inner radial 116a.That is to say that the external diameter of flange part 116 can equal to fill the external diameter of mouthful cylindrical portion 111.In other words, in first embodiment and the first to the 4th and the 6th improved form thereof, flange part 116 can only extend between the internal and external circumference edge of top end face 114.

＜the second embodiment 〉

In above-mentioned first embodiment and improved form thereof, first when using developer box 31 lid 77 be press-fitted in and fill in mouthfuls 76, same lid 77 is press-fitted in and fills in mouthfuls 76 and by ultra-sonic welded when recycling developer box 31.Therefore, when using for the first time and reusing developer box 31, use same lid 77.

On the other hand, according to second embodiment, first when using developer box 31 lid 177 be press-fitted in and fill in mouthfuls 76, when recycling developer box 31, be press-fitted in and fill in mouthfuls 76 with initial lid 177 different filling caps once more 118.

Figure 11 A is the cut-open view that shows near the structure the filling mouth 76 of second embodiment to Figure 11 C., in Figure 11 C, correspond respectively to Fig. 4 A and represent with Fig. 4 A identical label in the 10C at Figure 11 A to the part of part shown in the 10C.From hereinafter, will be omitted these detailed descriptions that are marked with the parts of identical label.

According to second embodiment, replace the filling mouth cylindrical portion 111 among first embodiment, the filling mouth cylindrical portion 210 shown in Figure 11 A is formed on the left side wall 67 of developer box 31.Similar with the cylindrical portion 111 among first embodiment, fill mouthful cylindrical portion 210 and be arranged on circular fill on mouthfuls 76 the circumferential edges and outstanding to the outside of development shell 63.

Filling mouthful cylindrical portion 210 is the cylindrical of hollow substantially.Fill a mouthful cylindrical portion 210 and have bottom sidepiece 211 and tip-end-side 212, both arrange along the axis of filling mouthful cylindrical portion 210.Bottom sidepiece 211 is extended basic half the length of the whole length of filling mouthful cylindrical portion 210.Tip-end-side 212 also is extended basic half the length of the whole length of filling mouthful cylindrical portion 210.Bottom sidepiece 211 plays the effect of the bottom of filling mouthful cylindrical portion 210, and than tip-end-side 212 more close left side walls 67.Tip-end-side 211 is more thinner a little than bottom sidepiece 212.Bottom sidepiece 211 has inner circumferential surface 222, and tip-end-side 212 has inner circumferential surface 213.

In first use developer box 31, behind the filling toner, lid 177 is used to sealing and fills mouth 76 shown in Figure 11 A in toner accommodation section 85.Lid 177 has whole insertion section 215 and flange part 216.Insertion section 215 is for there being the cylindrical of bottom.In other words, insertion section 215 has cylindrical portion 215a and bottom 215b.Cylindrical portion 215a is the cylindrical of hollow, and bottom 216 is circular.Flange part 216 is an annular.Bottom 215b inwardly radially extends to seal the axial end portion of this cylindrical portion 215a from the axial end portion of cylindrical portion 215a.Flange part 216 extends from another axial end portion outward radial of cylindrical portion 215a, keeps another axial end portion opening of this cylindrical portion 215a simultaneously

The insertion section 215 of lid 177 is pressed to insert and fills in mouthful cylindrical portion 210.As a result, the external peripheral surface of cylindrical portion 215a forms air-tight fit with the inner circumferential surface 213 of the tip-end-side 212 of filling mouthful cylindrical portion 210.The top end face 217. of mouthful cylindrical portion 210 is filled in flange part 216 contacts

When the toner in the toner container cavity 85 had been consumed, developer box 31 was unloaded from housing 2 and is replaced with another developer box 31 that is full of toner.Empty developer box 31 is collected by the manufacturer of laser printer 1 and is recycling by fill toner once more in toner container cavity 85.

According to present embodiment, in order to fill toner once more in toner container cavity 85, shown in Figure 11 B, the lid 177 of press fit in the tip-end-side 212 of filling mouthful cylindrical portion 210 is come along by the tip-end-side 212 with cylindrical portion 212 and removes, shown in Figure 11 B.As a result, almost have only the bottom sidepiece 211 of cylindrical portion 212 to stay on the development shell 63.Filling mouth 76 in bottom sidepiece 211 inside is opened once more.

Toner is filled in the toner container cavity 85 once more by the filling mouth of opening as mentioned above 76.Then, by using the flap of filling once more 218 shown in Figure 11 C to seal filling mouth 76.

Fill flap 218 once more and have as a whole insertion section 219, flange part 220 and return portion 221.Insertion section 219 is cylindrical that the bottom is arranged.In other words, insertion section 219 comprises cylindrical portion 219a and bottom 219b.Cylindrical portion 219a is the cylindrical of hollow, and bottom 219b is an annular.Flange part 220 is an annular.Bottom 219b extends radially inwardly to seal this axial end portion of cylindrical portion 219a from the axial end portion of cylindrical portion 219a.Flange part 220 extends from another axial end portion outward radial of cylindrical portion 219a, keeps this another axial end portion opening of cylindrical portion 219a simultaneously.Return portion 221 forms by the outer circumferential edges portion of the flange part 220 of turning back, and has coaxial cylindrical with cylindrical portion 219a.

The insertion section 219 of filling flap 218 once more is pressed and inserts in the bottom sidepiece 211 of filling mouthful cylindrical portion 210.The external peripheral surface of cylindrical portion 219 cooperates with the inner circumferential surface 222 of bottom sidepiece 211.Return portion 221 is engaged on the external peripheral surface of bottom sidepiece 211.Circumferential part 219a and return portion 221 are clipped in bottom sidepiece 211 between the two and maintain.

Therefore, according to present embodiment, before filling toner once more, lid 177 is admitted by filling mouthful cylindrical portion 210, be engaged in simultaneously on the inner circumferential surface of tip-end-side 212, thereby mouth 76 is filled in sealing.After filling toner once more, filling cap 218 is admitted by filling mouthful cylindrical portion 210 once more, is engaged in simultaneously on the inner circumferential surface 222 of bottom sidepiece 211 with sealing and fills mouthfuls 76.After filling once more, fill mouthfuls 76 by being used to admit the filling cap once more 218 that covers on the different inner circumferential surface 222 of 177 inner circumferential surface 213 to seal before being engaged in and filling once more.Therefore, also can keep sealing property after the filling once more.

Cover 177 and fill the tip-end-side 212 of mouthful cylindrical portion 210 by coming along to remove, filling mouth 76 can be opened at an easy rate.Cover 177 by coming along to remove, fill mouth 76 and opened easily and reliably with tip-end-side 212.

Depend on the inner circumferential surface 213 that covers 177 contact tip-end-side 212 or the inner circumferential surface 222 of filling cap 218 contact bottom sidepieces 211 once more, whether developer box 31 can be determined reliably through filling toner once more.That is to say that as the inner circumferential surface 213 of operculum 177 contact tip-end-side 211, developer box 31 can be confirmed as not through filling toner once more.Otherwise if the inner circumferential surface 222 of filling cap 218 contact bottom sidepieces 211 once more, developer box 31 can be confirmed as through filling toner once more.

＜the three embodiment 〉

Figure 12 A is to the cut-open view of Figure 12 C near the structure the filling mouth 76 that shows the 3rd embodiment., in Figure 12 C, correspond respectively to Figure 11 A and use with Figure 11 A to the part of the represented part of 11C and represent at Figure 12 A to the identical label of 11C.From hereinafter, will be omitted the detailed description of these parts of representing by identical label.

According to present embodiment, shown in Figure 12 A, replace the filling mouth cylindrical portion 210 among second embodiment, developer box 31 has fills mouthful interior cylindrical portion 223 and fills a mouthful exterior cylindrical portion 224.Mouthful interior cylindrical portion 223 and the filling mouthful exterior cylindrical portion 224 of filling is all outstanding to the outside of developer box 31 from left side wall 67.It is outstanding from the circumferential edges of filling mouth 76 to fill mouthful interior cylindrical portion 223.A filling mouthful exterior cylindrical portion 224 is arranged to around an excircle of filling mouth interior cylindrical portion 223, and coaxial with filling mouthful interior cylindrical portion 223.Filling mouthful interior cylindrical portion 223 and filling a mouthful exterior cylindrical portion 224 all is the cylindrical of hollow.Compare with filling a mouthful exterior cylindrical portion 224, fill the left side wall 67 outstanding bigger overhangs of mouthful interior cylindrical portion 223 from development shell 63.

When developer box 31 first uses, the insertion section 215 of lid 177 is pressed to insert and fills in mouthful interior cylindrical portion 223.The external peripheral surface of cylindrical portion 215a forms air-tight fit with the inner circumferential surface 239 of filling mouth interior cylindrical portion 223.

According to present embodiment, on the left side wall 67 of development shell 63, be formed on and fill mouthful interior cylindrical portion 223 on the outside surface of left side wall 67 and fill on the position between mouthful exterior cylindrical portion 224 around filling mouthful groove 252 of the annular of interior cylindrical portion 223.Groove 252 has the V-arrangement cross section.Groove 252 makes mouthful interior cylindrical portion 223 of filling can be easy to separate from left side wall 67, and this point will be discussed in more detail below with reference to figure 12B.

In order to fill toner once more in toner container cavity 85, shown in Figure 12 B, left side wall 67 is cut along groove 252.Filling mouthful interior cylindrical portion 223 is removed from filling mouthful bottom of interior cylindrical portion 223 with lid 177.As a result, be opened on the position of filling mouth 76 in filling mouthful exterior cylindrical portion 224.

After in toner container cavity 85, filling toner by the filling mouth of opening 76 once more, shown in Figure 12 C, fill mouthfuls 76 by filling cap 225 sealings once more.Filling cap 225 has whole insertion section 226 and flange part 227 once more.Insertion section 226 is cylindrical that the bottom is arranged.In other words, insertion section 226 has cylindrical portion 226a and bottom 226b.Cylindrical portion 26a is the cylindrical of hollow, and bottom 226b is circular.Flange part 227 is an annular.Bottom 226b inwardly radially extends to seal this axial end portion from the axial end portion of cylindrical portion 226a.Flange part 227 outwards extends axially from another axial end portion of cylindrical portion 226a, keeps this another axial end portion opening of cylindrical portion 226a simultaneously.

The insertion section 226 of filling cap 225 is pressed and inserts mouthful exterior cylindrical portion 224 of filling once more, and the external peripheral surface of cylindrical portion 226a forms air-tight fit with the inner circumferential surface 228 of filling mouthful exterior cylindrical portion 224.Mouthful top end face 251 of exterior cylindrical portion 224 is filled in flange part 227 contacts.

Therefore, according to present embodiment, fill toner once more before, lid 177 is admitted by filling mouthful interior cylindrical portion 223, cylindrical portion 215a is engaged in and fills on mouthful inner circumferential surface 239 of interior cylindrical portion 223.After filling once more, filling cap 225 is admitted by filling mouthful exterior cylindrical portion 224 once more, and the cylindrical portion 226a of lid 225 is engaged in and fills on mouthful inner circumferential surface 228 of exterior cylindrical portion 224.

After filling once more, fill mouthfuls 76 by be engaged in fill once more before be used to admit the filling cap once more 225 that covers on the different inner circumferential surface 228 of 177 inner circumferential surface 239 to seal.Therefore, also can keep sealing property after the filling once more.

When opening when filling mouthfuls 76, a lid 177 and whole fillings a mouth interior cylindrical portion 223 are removed.As a result, filling mouth 76 can be easy to be reopened.Cover 177 and whole fillings mouth interior cylindrical portion 223 by coming along to remove, can guarantee to fill the mouth 76 bigger size that is opened.

Therefore, whole filling mouthful inner circumference portion 223 is removed with lid 177, thereby the filling mouth of opening 76 is enlarged.Fill the excircle of mouthful exterior cylindrical portion 224 around filling part interior cylindrical portion 223.Filling cap 225 is admitted by filling mouthful exterior cylindrical portion 224 once more, makes that the extended filling mouth of opening 76 can be sealed reliably, keeps good airtight performance.

In addition, the cylindrical portion 226a of filling cap 225 is engaged on the inner circumferential surface 228 of filling mouth exterior cylindrical portion 224 once more.The flange part 227 of filling cap 225 is engaged in and fills on mouthful top end face 251 of exterior cylindrical portion 224 once more.Thereby filling mouth 76 can keep good airtight performance reliably by filling cap 225 sealings once more.

Depend on and cover that mouthful inner circumferential surface 239 of interior cylindrical portions 223 is filled in 177 contacts or mouthful inner circumferential surface 228 of exterior cylindrical portions 224 is filled in filling cap 225 contacts once more, whether developer box 31 can be determined reliably through filling toner once more.That is to say that mouthful inner circumferential surface 239 of interior cylindrical portion 223 is filled in 177 contacts as operculum, developer box 31 can be confirmed as not through filling toner once more.Otherwise if mouthful inner circumferential surface 228 of exterior cylindrical portion 224 is filled in filling cap 225 contacts once more, developer box 31 can be confirmed as through filling toner once more.

＜the four embodiment 〉

Figure 13 A is the cut-open view that shows near the structure the filling mouth 76 of the 4th embodiment to Figure 13 C., in 13C, correspond respectively to Figure 12 A and use with Figure 12 A identical label in the 12C to the part of the represented part of 12C and represent at Figure 13 A.From hereinafter, will be omitted the detailed description of these parts of representing by identical label.

Except groove 252 is not formed on the left side wall 67, and replace filling mouth exterior cylindrical portion 224 among the 3rd embodiment, developer box 31 has beyond as shown in FIG. 13A the outer seat portion 229, and is identical with the 3rd embodiment according to the configuration of present embodiment.

Outer seat portion 229 is arranged to around filling mouthful excircle of interior cylindrical portion 223.Outer seat portion 229 can have and to fill mouthful interior cylindrical portion 223 coaxial and substantially not from the outstanding toroidals of left side wall 67.Perhaps, outer seat portion 229 can have with to fill mouthful interior cylindrical portion 223 coaxial and outstanding and much smaller than filling mouthful toroidal of the overhang of interior cylindrical portion 223 from left side wall 67.

In order to fill toner once more in toner container cavity 85, a toner filling mouthful interior cylindrical portion 223 is cut and is removed from filling mouthful bottom of interior cylindrical portion 223, shown in Figure 13 B.Lid 177 is come along with a filling mouthful interior cylindrical portion 223 to be removed.As a result, filling mouthfuls 76 is opened in the outer seat portion 229 of development shell 63.

After toner was filled in the toner container cavity 85 by the filling mouth of opening 76 once more, the insertion section 226 of filling cap 225 was inserted into and fills in the mouth 76, shown in Figure 13 C once more.Flange part 227 in the face of sidewall 67 surperficial soldered or bond on the top end face 230 of outer seat portion 229.In this way, fill filling cap 76 sealings once more of mouthful 76 quilts.

As mentioned above, according to present embodiment, fill toner once more before, lid 177 is admitted by filling mouthful interior cylindrical portion 223, the cylindrical portion 215a of lid 177 is engaged in and fills on mouthful inner circumferential surface 239 of interior cylindrical portion 223.After filling once more, filling cap 225 is admitted by outer seat portion 229 once more, and flange part 227 is fixed on the top end face 230 of outer seat portion 229.

After filling once more, fill mouthfuls 6 by be engaged in fill once more before be used to admit the filling cap once more 225 that covers on the different top end face 230 of 177 inner circumferential surface 239 to seal.Therefore, also can keep sealing property after the filling once more.

When opening when filling mouthfuls 76, a lid 177 and whole fillings a mouth interior cylindrical portion 223 are removed.As a result, filling mouthfuls 76 can be easily and be opened reliably and enlarge.Whole filling mouth interior cylindrical portion 223 and lid 177 come along and remove so that filling mouth 76 is opened and enlarges.Outer seat portion 229 is formed around filling mouthful excircle of interior cylindrical portion 223.Filling cap 225 is admitted by outer seat portion 229 once more.Therefore, the extended filling mouth of opening 76 can be sealed reliably by filling cap 225 once more, keeps excellent sealing ability.

Depend on that covering 177 contacts fills mouthful inner circumferential surface 239 of interior cylindrical portions 223 or the top end face 230 of the outer seat of filling cap 115 contacts portion 229 once more, whether developer box 31 can be determined reliably through filling once more.That is to say that mouthful inner circumferential surface 239 of interior cylindrical portion 223 is filled in 177 contacts as operculum, developer box 31 can be confirmed as not through filling toner once more.Otherwise if the top end face 230 of the outer seat of filling cap 225 contact portion 225 once more, developer box 31 can be confirmed as through filling toner once more.

Similar with the 3rd embodiment, groove 50 can be formed between mouthful interior cylindrical portion 223 of filling and the outer seat portion 229.By filling a mouthful interior cylindrical portion 223, fill a mouthful interior cylindrical portion 223 and can be easy to be removed along groove 252 cuttings.

＜the five embodiment 〉

Figure 14 A is the cut-open view that shows near the structure the filling mouth 76 of the 5th embodiment to Figure 14 C., in 14C, correspond respectively to Figure 12 A and use with Figure 12 A identical label in the 12C to the part of the represented part of 12C and represent at Figure 14 A.From hereinafter, will be omitted the detailed description of these parts of representing by identical label.

Difference according to the 3rd embodiment of the configuration of present embodiment and Figure 12 A-12C is, shown in Figure 14 A, fills mouthful exterior cylindrical portion 224 than filling mouthful interior cylindrical portions 223 from left side wall 67 outstanding bigger overhangs.Do not form groove 252, but the circumferential edge portions 215c of 215b is thinner slightly than its core bottom replacing.Therefore, when filling toner once more, bottom 215b can be easy to cut, and this point will be narrated hereinafter.In other words, the circumferential edge portions 21c along bottom 215b has formed groove.

In order to fill toner once more in toner container cavity 85, the circumferential edge portions 215c of bottom 215b is cut with cutting tool, as shown in Figure 14B, and only to remove a bottom 215b.As a result, filling mouth 76 is opened in the cylindrical portion 215a of lid 177.

After filling toner by the filling mouth of opening 76 once more in toner container cavity 85, the insertion section 226 of filling cap 225 is pressed to insert and fills in mouthful exterior cylindrical portion 224, shown in Figure 14 C once more.Filling cap 225 is admitted by filling mouthful exterior cylindrical portion 224 once more, and the external peripheral surface of cylindrical portion 226a forms air-tight fit with the inner circumferential surface 228 of filling mouthful exterior cylindrical portion 224.Thereby fill filling cap 225 sealings once more of mouthful 76 quilts.

According to said structure, fill toner once more before, lid 177 is admitted by filling mouthful interior cylindrical portion 223, lid 177 is engaged in fills on mouthful inner circumferential surface 239 of interior cylindrical portion 223.After filling once more, filling cap 225 is admitted by filling mouthful exterior cylindrical portion 224 once more, and lid 225 is engaged in fills on mouthful inner circumferential surface 228 of exterior cylindrical portion 224.After filling once more, fill mouthfuls 76 by be engaged in fill once more before be used to admit the filling cap once more 225 that covers on the different inner circumferential surface 228 of 177 inner circumferential surface 239 to seal.Therefore, also can keep sealing property after the filling once more.

When opening when filling mouthfuls 76, bottom 215b just covers a part of 177 and is removed.Therefore, filling mouth 76 can be opened easily and reliably.

Depend on and cover that mouthful inner circumferential surface 239 of interior cylindrical portions 223 is filled in 177 contacts or mouthful inner circumferential surface 228 of exterior cylindrical portions 224 is filled in filling cap 225 contacts once more, whether developer box 31 can be determined reliably through filling toner once more.That is to say that mouthful inner circumferential surface 239 of interior cylindrical portion 223 is filled in 177 contacts as operculum, developer box 31 can be confirmed as not through filling toner once more.Otherwise if mouthful inner circumferential surface 228 of exterior cylindrical portion 224 is filled in filling cap 225 contacts once more, developer box 31 can be confirmed as through filling toner once more.

＜the six embodiment 〉

Figure 15 A is the cut-open view that shows near the structure the filling mouth 76 of the 6th embodiment to Figure 15 C., in 15C, correspond respectively to Figure 11 A and use with Figure 11 A identical label in the 11C to the part of the represented part of 11C and represent at Figure 15 A.From face, will be omitted the detailed description of these parts of representing by identical label.

Shown in Figure 15 A, fill a mouthful cylindrical portion 210 and on its whole axial length, have basic homogeneous thickness.The inner circumferential surface 213 of tip-end-side 212 and the inner circumferential surface of bottom sidepiece 211 222 do not form any step between the two mutually continuously.Shown in Figure 15 A and Figure 15 B, insert groove 231 and be formed in the tip-end-side 212 of filling mouthful cylindrical portion 210.Insert groove 231 and be formed on the external peripheral surface of filling mouthful cylindrical portion 210, this groove is along the axial recess of tip-end-side 212.The zone that the groove 231 of tip-end-side 212 forms is thinner than other parts.The insertion section 215 of lid 177 is pressed and inserts in the tip-end-side 212 of filling mouthful cylindrical portion 210.

Shown in Figure 15 A and Figure 15 B, in order to fill toner once more in toner container cavity 85, cutting tool 232 inserts in its lower position by inserting groove 231.Then, cutting tool 232 moves axially on the direction of leaving left side wall 76, thereby is promoting to cover 177 along inserting groove 231 cutting tip sidepieces 212 and leaving on the direction of left side wall 67 on the direction of leaving left side wall 67.As a result, lid 177 unloads from filling a mouthful cylindrical portion 210, fills mouth 76 and is opened in filling mouthful cylindrical portion 210.

After in toner container cavity 85, filling toner once more, shown in Figure 15 C, fill filling cap 240 sealings once more of mouthful 76 quilts by the filling mouth of opening 76.Filling cap 240 has whole insertion section 241 and flange part 242 once more.Insertion section 241 is cylindrical that the bottom is arranged.In other words, insertion section 241 has cylindrical portion 241a and bottom 241b.Cylindrical portion 241a is the cylindrical of hollow, and bottom 241b is circular.Flange part 242 is an annular.Bottom 241b inwardly radially extends to seal this axial end portion from the axial end portion of cylindrical portion 241a.Flange part 242 outwards extends axially from another axial end portion of cylindrical portion 241a, keeps this another axial end portion opening of cylindrical portion 241a simultaneously.Cylindrical portion 241a is longer than the insertion groove 231 of filling mouthful cylindrical portion 210 in the axial direction.Therefore, when filling cap 240 was inserted in the filling mouthful cylindrical portion 210 once more, the bottom of cylindrical portion 241a was pressed towards the bottom sidepiece 211 of filling mouthful cylindrical portion 210.Thereby the external peripheral surface of cylindrical portion 241a forms air-tight fit at the inner circumferential surface 222 of its bottom and bottom sidepiece 211.

As mentioned above, according to present embodiment, before filling once more, lid 177 is admitted by filling mouthful cylindrical portion 210, is engaged in simultaneously on the inner circumferential surface 213 of tip-end-side 212.After filling once more, filling cap 240 is also admitted by filling mouthful cylindrical portion 210 once more, is engaged in simultaneously on the inner circumferential surface 222 and 213 of bottom sidepiece 211 and tip-end-side 212.When lid 177 when the inner circumferential surface 213 of tip-end-side 212 is removed, may have inner circumferential surface 213 impaired situations.Even but in this case, fill the back once more and fill mouthfuls 76 and still can reliably seal, thereby kept sealing property by the filling cap once more 240 that is engaged on the inner circumferential surface 222 different with inner circumferential surface 213.

Because tip-end-side 212 is thin at the remainder that inserts groove 231 places than filling mouth cylindrical portion 210, by inserting cutting tool 232 at insertion groove 231, lid 177 can be easy to remove from tip-end-side 212.As a result, filling mouth 76 can be opened easily and reliably.

When opening when filling mouthfuls 76, whole lid 177 is removed.Therefore, filling mouth 76 can be opened easily and reliably.

Depend on the inner circumferential surface 213 that covers 177 contact tip-end-side 212 or the inner circumferential surface 222 of filling cap 240 contact bottom sidepieces 211 once more, and depend on that whether insert groove 231 is cut, and just can determine reliably that whether developer box 31 is through filling toner once more.That is to say that the inner circumferential surface 213 and the insertion groove 231 that contact tip-end-side 212 as operculum 177 also are not cut, developer box 31 can be confirmed as not through filling toner once more.Otherwise if the inner circumferential surface 222 and the insertion groove 231 of filling cap 240 contact bottom sidepieces 211 have been cut once more, developer box 31 can be confirmed as through filling toner once more.

＜the seven embodiment 〉

Figure 16 A is the cut-open view that shows near the structure the filling mouth 76 of the 7th embodiment to Figure 16 C., in 16C, correspond respectively to Figure 11 A and use with Figure 11 A identical label in the 11C to the part of the represented part of 11C and represent at Figure 16 A.From hereinafter, will be omitted the detailed description of the parts represented by these identical labels.

According to present embodiment, developer box 31 has fills a mouthful cylindrical portion 233.Filling a mouthful cylindrical portion 233 is the cylindrical of hollow, has external peripheral surface 238 and inner circumferential surface 234.Filling mouthful cylindrical portion 233 is filled the circumferential edges of mouth 76 and is given prominence to the outside of development shell 63 from the circle on the left side wall 67.The external diameter of lid 177 flange part 216 is bigger than the external diameter of filling mouthful cylindrical portion 233, and is identical with mode in the 5th improved form of first embodiment.

In the process of first use developer box 31, shown in Figure 16 A, fill mouthful 76 tegmentums, 177 sealings.That is to say that lid 177 insertion section 215 is pressed to insert and fills in mouthful cylindrical portion 233, the inner circumferential surface 234 of mouthful cylindrical portion 233 is filled in the contact of the external peripheral surface of cylindrical portion 215a, and is identical with the mode of the 5th improved form of first embodiment.

To fill toner once more in order filling in the chamber 85, shown in Figure 16 B, will to cover 177 in the mode identical and remove with the 5th improved form of first embodiment at toner.As a result, filling mouthful 76 quilts is opened in filling mouthful cylindrical portion 233.

After in toner container cavity 85, filling toner once more, shown in Figure 16 C, fill mouthfuls 76 by filling cap 235 sealings once more by the filling mouth of opening 76.Filling cap 235 has whole plate-like portion 236 and the cylindrical skirt 237 that is connected to the outer circumferential edges of plate-like portion 236 once more.Cylindrical skirt 237 is formed internal diameter and is slightly smaller than the external diameter of filling mouthful cylindrical portion 233.Filling cap 235 is installed in as imperial crown and fills on mouthful cylindrical portion 233 once more, makes the axial end portion of filling mouthful cylindrical portion 233 be inserted in the cylindrical skirt 237.The external peripheral surface 238 of mouthful cylindrical portion 233 is filled in the inner circumferential surface contact of cylindrical skirt 237.A filling mouthful cylindrical portion 233 is pressed in the cylindrical skirt 237 of inserting once more filling cap 235.Therefore, fill filling cap 235 sealings once more of mouthful 76 quilts.

According to said structure, fill toner once more before, lid 177 is admitted by filling mouthful cylindrical portion 233, lid 177 is engaged on the inner circumferential surface 234 of filling mouthful cylindrical portion 233.After filling once more, filling cap 235 is admitted by filling mouthful cylindrical portion 233 once more, and lid 235 is engaged on the external peripheral surface 238 of filling mouthful cylindrical portion 233.When lid 177 when the inner circumferential surface 234 of filling mouthful cylindrical portion 233 is removed, may have inner circumferential surface 234 impaired situations.Even but in this case, after filling once more, fill mouthfuls 76 and still can seal reliably, thereby maintenance sealing property by the filling cap once more 238 that is engaged on the external peripheral surface 238 different with inner circumferential surface 234.

When opening when filling mouthfuls 76, whole lid 177 is removed.Therefore, filling mouth 76 can be opened easily and reliably.

And structure is simplified, and is used to admit and covers 177 and filling cap 235 once more because fill a mouthful cylindrical portion 233.And, fill mouthfuls 76 can be when being closed by fill the wringing fit between protecgulum 177 and the inner circumferential surface 234 once more and fill once more after once more the wringing fit between filling cap 235 and the external peripheral surface 238 keep sealing property.

Depend on that covering 177 contacts fills the inner circumferential surface 234 of mouthful cylindrical portion 233 or the external peripheral surface 238 of filling cap 235 contact bottom sidepieces 211 once more, can determine reliably that whether developer box 31 is through filling toner once more.That is to say that the inner circumferential surface 234 of mouthful cylindrical portion 233 is filled in 177 contacts as operculum, developer box 31 can be confirmed as not through filling toner once more.Otherwise if filling cap 235 contacts the external peripheral surface 238 of filling mouthful cylindrical portion 233 once more, developer box 31 can be confirmed as through filling toner once more.

Lid 177 structure and once more the structure of filling cap 235 can exchange.That is to say that lid 177 can be made and the same structure of filling cap once more 235 shown in Figure 16 C.Before filling toner once more, fill mouthfuls 76 and be closed by having to place to fill on mouthful cylindrical portion 233 as imperial crown with the lid 177 of 235 1 spline structures of filling cap once more of Figure 16 C.Filling cap 235 can be made and the same structure of lid 177 among Figure 16 A once more.After filling toner once more, fill mouthfuls 76 and be closed by having to push to insert to fill in mouthful cylindrical portion 233 with the filling cap once more 235 of lid 177 1 spline structures of Figure 16 A.

＜improved form 〉

The improved form of the 3rd embodiment will be described below.

Shown in Figure 17 A, teat 223b and 224b can be respectively formed at fill mouthful interior cylindrical portion 223 and fill on mouthful top end face 223a of exterior cylindrical portion 224 and the 224a and first embodiment similar.

In this case, shown in Figure 17 A, when the first use of developer box 31, lid 177 is pressed to insert and fills in mouthful interior cylindrical portion 223.

In order to fill toner once more with recycling and first embodiment is similar, the tip of remover is inserted into flange part 216 and fills between the top end face 223a of mouthful cylindrical portion 223.Covering 177 is easy to can not damage and fill mouthful top end face 223a of interior cylindrical portion 223 to open filling mouth 76 from filling 223 dismountings of mouthful cylindrical portion.

After filling once more, shown in Figure 17 B and first embodiment similar.Lid 177 is press-fitted in fills in mouthful interior cylindrical portion 223.Then, the surperficial relative upper surface with flange part 216 contact teat 223b of the flange part from Figure 17 B 216 carries out ultra-sonic welded at teat 223b.Therefore, the surface that contacts teat 223b of teat 223b and flange part 16 is welded by ultra-sonic welded.In this case, developer box 31 is reused for the first time.

Below, in order to fill toner once more in the next cycle stage and the 3rd embodiment is similar, shown in Figure 17 C,, fill mouthful interior cylindrical portion 223 and separated from left side wall 67 by along groove 252 cutting left side walls 67.

After filling once more, shown in Figure 17 D and the 3rd embodiment similar, filling cap 225 is pressed and inserts mouthful exterior cylindrical portion 224 of filling once more.The teat 224b on mouthful top end face 224a of exterior cylindrical portion 224 is filled in flange part 227 contacts of filling cap once more.In this case, developer box 31 is utilized for the second time again.

In order to fill toner once more and first embodiment is similar because of recycling for the third time, the tip of remover is inserted in flange part 227 and fills between mouthful top end face 224a of exterior cylindrical portion 224.Filling cap 225 is easy to disassemble a top end face 224a who fills mouth 76 and can not damage filling mouthful exterior cylindrical portion 224 to open from filling a mouthful exterior cylindrical portion 224 once more.

After filling once more, shown in Figure 17 E and first embodiment similar, filling cap 225 is pressed and inserts mouthful exterior cylindrical portion 224 of filling once more.Then, the surperficial relative upper surface with flange part 227 contact teat 224b from Figure 17 E flange portion 227 carries out ultra-sonic welded at teat 224b.Therefore, the surface that contacts teat 224b of teat 224b and flange part 227 is welded by ultra-sonic welded.Therefore, developer box 31 is utilized for the third time once more.

In above-mentioned second to the 7th embodiment and improved form, similar with the 5th improved form of first embodiment, the external diameter of the flange part 216 of lid member 117 is than each filling mouthful cylindrical portion 210, and the external diameter of filling mouthful interior cylindrical portion 223 and filling mouthful cylindrical portion 233 is big.Therefore, lid member 117 can be easy to fill removal on mouthful cylindrical portion 210,223,233 from each.

But the external diameter of flange part 216 can be big unlike the external diameter of each filling mouthful cylindrical portion 210,223,233.

Perhaps and first to the 4th improved form of first embodiment and first embodiment similar, teat can be formed on and cover member 117 and each and fill in the top end face of mouthful cylindrical portion 210,223,233 at least one.In this case, lid member 117 still can be removed at an easy rate.

In above-mentioned second to the 7th embodiment and improved form, fill a mouthful cylindrical portion 210, a mouthful exterior cylindrical portion 224 is filled by a filling mouthful interior cylindrical portion 223, and outer seat portion 229 and filling mouthful cylindrical portion 223 are basic for having the cylindrical of round section.But they do not need must be cylindrical, as long as they are the cylindricalitys that have same cross-sectional on its whole axial length.

Though the present invention is described according to specific embodiment, those skilled in the art will understand and can make various variations and do not deviate from scope of the present invention.

For example, above-mentioned each embodiment reference developer box 31 describes, and 31 needs of developer box have toner container cavity 85.Donor rollers 64, developer roll 65 or layer thickness regulating blade 66 can not be arranged in the developer box 31.

Developer box 31 and drum box 30 can be securely fixed in the handle box 22.

Claims (62)

1. a box is characterized in that, comprising:

Shell, this shell have the wall that limits the developer containing part in the shell and pass the filling mouth that is connected with the developer containing part fluid that described wall forms, and developer is filled in the developer containing part by described filling mouth;

Be formed on the above circumferential edges place of filling mouthful of described wall and be projected into the cylindrical wall portion in the shell outside from wall, described cylindrical wall portion has interior perimeter surface, outer surface and the end face between interior perimeter surface and outer surface;

When contacting, be engaged in the described cylindrical wall portion to seal described closure member of filling mouth with the interior perimeter surface of described cylindrical wall portion; With

Be arranged at least one in end face and the closure member, at another the teat on the contact portion between end face and the closure member and in end face and closure member.

2. box as claimed in claim 1 is characterized in that,

Described closure member has the flange part towards end face, and

Described teat is formed on the end face.

3. box as claimed in claim 1 is characterized in that,

Described teat is formed in the stage portion on the end face of cylindrical wall portion, and

Described closure member has the inclined-plane, and described closure member contacts described stage portion on described inclined-plane.

4. box as claimed in claim 1 is characterized in that,

Described teat is the circumferential edge portions between the end face of cylindrical wall portion and interior perimeter surface, and

Described closure member has the inclined-plane, and described closure member contacts described circumferential edge portions on described inclined-plane.

5. box as claimed in claim 1 is characterized in that,

Described teat is formed on the described closure member, and

The above teat of end face that described inclined-plane is formed on described cylindrical wall portion contacts the position of described end face.

6. box as claimed in claim 1 is characterized in that,

Described closure member has:

The flange part of the end face of contact cylindrical wall portion;

The sealing cylindrical portion of interior perimeter surface for cylindricality and contact cylindrical wall portion; With

Be formed between flange part and the sealing cylindrical portion and than flange part and sealing cylindrical portion thin thinning part.

7. box as claimed in claim 1 is characterized in that described closure member has flange part, and described flange part has the contact site of the end face that contacts cylindrical wall portion and the extension that extends radially outwardly from cylindrical wall portion.

8. box as claimed in claim 1 is characterized in that, further comprises the developer carrier of bearing developer.

9. box as claimed in claim 8 is characterized in that, further comprises the electrostatic latent image supporting body, is supplied to the electrostatic latent image of electrostatic latent image supporting body to carry on the surface that is developed in the electrostatic latent image supporting body from the developer of developer carrier.

10. box as claimed in claim 1 is characterized in that,

Described closure member is press-fitted in the cylindrical wall portion after developer is filled in the developer containing part for the first time, and described closure member then is ultrasonically welded to cylindrical wall portion at the teat place at developer because recycle to be re-filled in the developer containing part.

11. a box is characterized in that, comprising:

Shell, this shell have the wall that limits the developer containing part in the shell and pass the filling mouth that is connected with the developer containing part fluid that described wall forms, and developer is filled in the developer containing part by described filling mouth;

Be formed on the above cylindrical wall portion of filling mouthful circumferential edges place and being projected into the shell outside from described wall of described wall; With

The sealing cylindrical wall portion is with the closure member of sealing filling mouth, and described closure member has flange part, and described flange part has the contact site of the end face that contacts cylindrical wall portion and the extension that extends radially outwardly from cylindrical wall portion.

12. box as claimed in claim 11, it is characterized in that, be filled in the developer containing part the described closure member in back for the first time at developer and be press-fitted in the cylindrical wall portion, and be re-filled that the described closure member in back is ultrasonically welded to cylindrical wall portion at the extension place in the developer containing part because recycle at developer.

13. a box is characterized in that, comprising:

Shell, this shell have the wall that limits the developer containing part in the shell, the filling mouth that is connected with the developer containing part fluid that passes described wall formation, and developer is filled in the developer containing part by described filling mouth;

Be formed on the above cylindrical wall portion of filling mouthful circumferential edges place and being projected into the shell outside from described wall of described wall;

Closure member, its part is inserted into a part that contacts cylindrical wall portion in the cylindrical wall portion simultaneously at least and fills mouth with sealing, described cylindrical wall portion has a through hole at least a portion place of the part of its contact closure member, thereby described closure member can be exposed by described through hole; With

Be formed on position that faces toward the described through hole in the cylindrical wall portion on the wall and the outstanding wall that is projected into the described shell outside from described wall.

14. the described box of claim 13, it is characterized in that, be filled in the developer containing part the described closure member in back for the first time at developer and be press-fitted in the cylindrical wall portion, and be re-filled that the described closure member in back is ultrasonically welded to cylindrical wall portion in the developer containing part because recycle at developer.

15. a box is characterized in that, this box comprises:

Shell, this shell have the wall that limits the developer containing part in the shell and pass the filling mouth that is connected with the developer containing part fluid that described wall forms, and developer is filled in the developer containing part by described filling mouth;

Be formed on the above cylindrical wall portion of filling mouthful circumferential edges place and being projected into the shell outside from described wall of described wall; With

Seal the closure member of cylindrical wall portion with sealing filling mouth,

Be filled in the developer containing part the described closure member in back for the first time at developer and be press-fitted in the cylindrical wall portion, and be re-filled that the described closure member in back is ultrasonically welded to cylindrical wall portion in the developer containing part because recycle at developer.

16. a method of using box is characterized in that, comprising:

Prepare a box, described box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, and is formed on the above cylindrical wall portion of filling mouthful circumferential edges place and being projected into the shell outside from described wall of described wall;

For the first time developer is filled in the developer containing part by filling mouth;

After for the first time being filled into developer in the developer containing part, closure member pushed and be inserted into described cylindrical wall portion and fill mouthful with sealing;

Closure member is removed and by the filling mouth of opening developer refilled the developer containing part from cylindrical wall portion;

Be filled into developer in the developer containing part once more in order to recycle by filling mouth;

Filling mouthful with sealing in order to recycle closure member to be pushed to be inserted in the cylindrical wall portion and it is ultrasonically welded to cylindrical wall portion after refilling developer in the developer containing part.

17. method as claimed in claim 16 is characterized in that,

The described teat that is ultrasonically welded within on the contact portion that is formed between cylindrical wall portion and the closure member carries out, and it is outstanding that described teat is formed on in cylindrical wall portion and the closure member at least one and in cylindrical wall portion and closure member another.

18. method as claimed in claim 16 is characterized in that,

Described closure member has the flange part of external diameter greater than the cylindrical wall portion external diameter,

Wherein when closure member being pushed when being inserted in the cylindrical wall portion, the end face of the inner radial contact cylindrical wall portion of described flange part, and radially outer extends radially outwardly from the end face of cylindrical wall portion, and described being ultrasonically welded within on the extension carried out.

19. method as claimed in claim 16 is characterized in that,

The part of closure member is inserted in the cylindrical wall portion, at least a part that contacts simultaneously cylindrical wall portion is filled mouth with sealing, described cylindrical wall portion has a through hole at least a portion place of the part of its contact closure member, thereby closure member can be exposed by described through hole

Described wall has the outstanding wall facing to the position of through hole in cylindrical wall portion, described outstanding wall from described wall be projected into the shell outside and

When being included in closure member that the tip contact that makes remover exposes by through hole a part of, described removal rotates remover around the top of described outstanding wall pivot.

20. a method that recycles the box of using is characterized in that, comprising:

Collect a used box, described box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, with be formed on the above cylindrical wall portion of filling mouthful circumferential edges place and being projected into the shell outside from described wall of described wall, developer is filled in the developer containing part by the filling mouth, and closure member is pressed to insert in the cylindrical wall portion and fills mouth with sealing;

Closure member is removed and by the filling mouth of opening developer refilled the developer containing part from cylindrical wall portion;

Be filled into developer in the developer containing part once more in order to recycle by filling mouth; With

Filling mouthful with sealing in order to recycle closure member to be pushed to be inserted in the cylindrical wall portion and closure member is ultrasonically welded to cylindrical wall portion after refilling developer in the developer containing part.

21. method as claimed in claim 20 is characterized in that,

Carry out on the described teat that is ultrasonically welded within on the contact site that is formed between cylindrical wall portion and the closure member, it is outstanding that described teat is formed in cylindrical wall portion and the closure member at least one and in cylindrical wall portion and closure member another.

22. method as claimed in claim 20 is characterized in that,

Described closure member has the flange part of external diameter greater than the cylindrical wall portion external diameter,

Wherein when closure member being pushed when inserting in the cylindrical wall portion, the end face of the inner radial contact cylindrical wall portion of described flange part, and radially outer extends radially outwardly from the end face of cylindrical wall portion, and described being ultrasonically welded within on this extension carried out.

23. method as claimed in claim 20 is characterized in that,

The part of closure member is inserted in the cylindrical wall portion, at least a part that contacts simultaneously cylindrical wall portion is filled mouth with sealing, described cylindrical wall portion has through hole at least a portion place of the part of its contact closure member, thereby closure member can be exposed by described through hole

Described wall has the outstanding wall with respect to the position of the through hole in the cylindrical wall portion, described outstanding wall from described wall be projected into the shell outside and

When being included in closure member that the tip contact that makes remover exposes by through hole a part of, described removal rotates remover around the top of described outstanding wall pivot.

24. a box is characterized in that, comprising:

Shell, shell have the wall that limits the developer containing part in the shell, the filling mouth that is connected with the developer containing part fluid that passes described wall formation, and developer is filled into developer containing part by described filling mouth;

Be arranged on the receiver member on the described wall, described receiver member has to be used to seal at the first lid member admits the first lid member to be in contact with it first surface of contact of filling mouthful with sealing simultaneously when filling mouthful, described receiving member further has to be used to seal at the second lid member admits the second lid member to be in contact with it second surface of contact of filling mouthful with sealing simultaneously when filling mouthful.

25. box as claimed in claim 24 is characterized in that,

Described receiver member comprises:

Be arranged on the shell and have first receiver member of first surface of contact; With

Be arranged on the shell and have second receiver member of second surface of contact.

26. box as claimed in claim 25 is characterized in that, further is included in the first lid member and is removed the removal portion of filling mouth to open under the state of first receiver member admittance.

27. box as claimed in claim 26 is characterized in that,

Described removal portion comprises at least a portion of the first lid member and first receiver member, and described part is cut and removes with the first lid member.

28. box as claimed in claim 27 is characterized in that,

Described first receiver member forms the cylindricality that is projected into the shell outside from wall,

Described first surface of contact is the interior perimeter surface of first receiver member, and

Described removal portion comprises first lid member and whole first receiver member.

29. box as claimed in claim 28 is characterized in that,

Described second receiver member forms from wall and is projected into the excircle that the shell outside also centers on first receiver member.

30. box as claimed in claim 29 is characterized in that,

Described second receiver member forms cylindricality,

The described second lid member has insertion section that is inserted in second receiver member and the flange part that extends radially outwardly from the insertion section, and

Described second surface of contact comprises:

The interior perimeter surface of second receiver member; With

When being received within on second receiver member, the second lid member contacts an end face of described flange part.

31. box as claimed in claim 29 is characterized in that,

Described second receiver member forms annular,

The described second lid member has insertion section of inserting the filling mouth and the flange part that extends radially outwardly from the insertion section, and

Described second surface of contact is the surface of annular second receiver member of contact flange part when the second lid member is received within on second receiver member.

32. box as claimed in claim 27 is characterized in that,

Described first receiver member forms the cylindricality that is projected into the shell outside from wall,

The interior perimeter surface of the axial top ends that described first surface of contact is first receiver member, and

Described removal portion comprises the axial top ends of the first lid member and first receiver member.

33. box as claimed in claim 32 is characterized in that,

Described second receiver member is first receiver member remaining remainder after axially top ends is removed,

The described second lid member has the insertion section of inserting second receiver member, and

Described second surface of contact is the interior perimeter surface of second receiver member.

34. box as claimed in claim 26 is characterized in that,

Described removal portion comprises at least a portion of the first lid member.

35. box as claimed in claim 34 is characterized in that,

Described first receiver member forms from wall and is projected into the shell outside and has cylindricality as the interior perimeter surface of first surface of contact,

The described first lid member has the cylindrical portion of inserting first receiver member and the closure of sealing the axial end of cylindrical portion, and

Described removal portion comprises at least a portion of described closure.

36. box as claimed in claim 35 is characterized in that,

Described second receiver member forms from wall and is projected into the cylindricality that the shell outside also centers on the excircle of first receiver member,

The described second lid member has the insertion section of inserting second receiver member, and

Described second surface of contact comprises the interior perimeter surface of second receiver member.

37. box as claimed in claim 34 is characterized in that,

Described removal portion is the whole first lid member,

Described second receiver member forms the cylindricality that is projected into the shell outside from wall,

Described first receiver member is arranged to be connected to the axial end of second receiver member, is the cylindricality that has from the continuous interior perimeter surface of the internal circular surfaces of second receiver member, and has the dismounting member insertion section of admitting the dismounting member be used to remove the first lid member, and

First surface of contact is the interior perimeter surface of first receiver member.

38. box as claimed in claim 37 is characterized in that,

The described second lid member has the insertion section of inserting second receiver member, and

Second surface of contact is the interior perimeter surface of second receiver member.

39. box as claimed in claim 34 is characterized in that,

Described removal portion is the whole first lid member,

Described first receiver member is to be projected into the cylindricality in the shell outside from wall, and is used as second receiver member,

In the inner and outer circumferential lateral face that described first surface of contact is first receiver member one, and

In the inner and outer circumferential lateral face that described second surface of contact is first receiver member another.

40. box as claimed in claim 24 is characterized in that,

Described removal portion is the whole first lid member,

Described receiver member forms the cylindricality that is projected into the shell outside from wall,

In the inner and outer circumferential lateral face that described first surface of contact is first receiver member one, another in the inner and outer circumferential lateral face that described second surface of contact is first receiver member.

41. box as claimed in claim 24 is characterized in that,

Described removal portion is the whole first lid member,

Described receiver member forms the cylindricality that is projected into the shell outside from wall, and forms dismounting member insertion groove on the outer surface of its axial top ends, and described dismounting member insertion groove is admitted the dismounting member that is used to remove the first lid member, and

Described first surface of contact is the interior perimeter surface of receiver member on its axial top ends,

The described second lid member has the insertion section of the axial bottom of inserting receiver member, and

Described second surface of contact is the interior perimeter surface of receiver member on its axial bottom.

42. the combination of a box, the first lid member and the second lid member is characterized in that this combination comprises:

Box, this box comprises:

Shell, this shell have the wall that limits the developer containing part in the shell, the filling mouth that is connected with the developer containing part fluid that passes described wall formation, and developer is filled in the developer containing part by filling mouth; With

Be arranged on the cylindrical wall portion of on the lateral direction of shell, giving prominence on the described wall from the circumferential edges of filling mouth;

Be installed in the first lid member in the internal and external circumferential surface of cylindrical wall portion; With

Be installed in the second lid member in the internal and external circumferential surface of cylindrical wall portion another.

43. the combination of a box, the first lid member and the second lid member is characterized in that this combination comprises:

Box, this box comprises:

Have the shell of wall that limits developer containing part therein and the filling mouth that is connected with the developer containing part fluid that passes described wall formation, developer is filled in the developer containing part by filling mouth; With

Be arranged on the cylindrical wall portion of giving prominence to from the circumferential edges of filling mouth on the lateral direction of shell on the described wall, this cylindrical wall portion has the groove on the outer surface in its axial top ends, and this groove extends axially along circumferential wall portion;

Be installed in the first lid member of cylindrical wall portion on the interior perimeter surface of its axial top ends; With

Be installed in the second lid member of cylindrical wall portion on the interior perimeter surface of its axial bottom.

44. the combination of a box, the first lid member and the second lid member is characterized in that this combination comprises: box, this box comprises:

Have the shell of wall that limits developer containing part therein and the filling mouth that is connected with the developer containing part fluid that passes described wall formation, developer is filled in the developer containing part by filling mouth; With

Be arranged on the cylindrical wall portion of on the lateral direction of shell, giving prominence on the described wall from the circumferential edges of filling mouth, this cylindrical wall portion has bottom sidepiece and the tip-end-side on its axial tip side on its axial bottom end side, and this tip-end-side is thinner than this bottom sidepiece;

Be installed in the first lid member on the interior perimeter surface of tip-end-side of cylindrical wall portion; With

Be installed in the second lid member on the interior perimeter surface of bottom sidepiece of cylindrical wall portion.

45. a box is characterized in that, comprising:

Shell, shell have the wall that limits the developer containing part in the shell, the filling mouth that is connected with the developer containing part fluid that passes described wall formation, and developer is filled in the developer containing part by filling mouth;

Be arranged on the wall with the circumferential edges outstanding inner cylindrical wall portion of lateral direction from filling mouth at shell; With

Be arranged on the wall with in the outstanding outer cylindrical walls portion of the lateral direction of shell, described outer cylindrical walls portion is around described inner cylindrical wall portion.

46. box as claimed in claim 45 is characterized in that, described outer cylindrical walls portion extends longlyer than inner cylindrical wall portion.

47. box as claimed in claim 45 is characterized in that, described outer cylindrical walls portion extends shortlyer than inner cylindrical wall portion.

48. box as claimed in claim 45 is characterized in that, groove is formed on the wall between the outer cylindrical walls portion and inner cylindrical wall portion and on the position of the excircle of inner cylindrical wall portion.

49. a lid member is characterized in that, comprising:

Hollow cylindrical portion;

A flange part that axial end extends radially outwardly from described cylindrical portion; With

Seal the bottom of another axial end of described cylindrical portion, this bottom has the groove that extends along the circumferential edges of bottom.

50. a method that recycles the box of using is characterized in that, comprising:

Collect a used box, described box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, with the receiver member that is arranged on the described wall, described receiver member has first surface of contact and second surface of contact, and the first lid member is received within on the described receiver member and contacts and seal the filling mouth with described first surface of contact simultaneously;

At least remove the part of the described first lid member and fill mouth to open;

By the filling mouth of opening developer is refilled in the developer containing part; With

The second lid member is contacted with second surface of contact to seal described filling mouth.

51. method as claimed in claim 50 is characterized in that,

Described receiver member comprises:

Be arranged on the described wall with the outstanding inner cylindrical wall portion of circumferential edges on the lateral direction of shell from filling mouth; With

Be arranged on the described wall with outer cylindrical walls portion outstanding on the lateral direction of shell, described outer cylindrical wall portion is around inner cylindrical wall portion, and

The wherein said first lid member is installed in the inner cylindrical wall portion.

52. method as claimed in claim 51 is characterized in that,

Described removal is from described box cutting inner cylindrical wall portion and come along except that inner cylindrical wall portion and the first lid member mounted thereto.

53. method as claimed in claim 51 is characterized in that,

The described first lid member comprises:

Hollow cylindrical portion;

A flange part that axial end extends radially outwardly from described cylindrical portion; With

Seal the bottom of another axial end of described cylindrical portion, described hollow cylindrical portion is inserted in the inner cylindrical wall portion and the top end face of described flange part contact inner cylindrical wall portion, and

The circumferential edges of described removal from the described first lid member along the bottom cuts described bottom and removes cut bottom.

54. method as claimed in claim 50 is characterized in that,

Described receiver member forms the outstanding cylindricality of circumferential edges from filling mouth on the lateral direction of shell,

The described first lid member be mounted in the inner and outer circumferential lateral face of contact cylindricality receiver member one,

The whole first lid member is removed opening described fillings mouth, and

The described second lid member be mounted in the inner and outer circumferential lateral face of contact cylindricality receiver member another.

55. method as claimed in claim 50 is characterized in that,

Described receiver member forms on the lateral direction of shell from the described outstanding cylindricality of circumferential edges of filling mouth, and on the outer peripheral face on its axial top ends, have the dismounting member and insert groove, the described first lid member is in the interior perimeter surface of the axial top ends contact cylindricality receiver member of cylindricality receiver member

Described removal comprises that the dismounting member is inserted dismounting member insertion groove to be removed from receiver member to cover member with whole first, and

The part of the described second lid member is inserted into the axial bottom of cylindricality receiver member so that the described part of the second lid member contacts the interior perimeter surface of receiver member in its axial bottom.

56. a method of using box is characterized in that, described method comprises:

Prepare a box, described box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, with the receiver member that is arranged on the described wall, described receiver member has first surface of contact and second surface of contact;

By the filling mouth of opening developer is filled in the developer containing part;

After being filled into developer in the developer containing part, make the first lid member contact first surface of contact to seal described filling mouth;

Remove at least a portion of the described first lid member and fill mouth to open;

By the filling mouth of opening developer is refilled in the developer containing part; With

After refilling developer in the developer containing part, make the second lid member contact described second surface of contact to seal described filling mouth.

57. a method of using box is characterized in that, described method comprises:

Prepare a box, described box comprises the shell that has the wall that limits developer containing part therein and pass the filling mouth that is connected with the developer containing part fluid of described wall formation, with at least one cylindrical wall portion of giving prominence to and center on described filling mouth on the lateral direction of shell from wall, described at least one cylindrical wall portion comprises first cylindrical wall portion;

Developer is filled in the developer containing part by the filling mouth of opening;

After being filled into developer in the developer containing part, the first lid member is force-fitted in the cylindrical wall portion of cylindrical wall portion of at least one, make the first lid member contact the first on surface of first cylindrical wall portion simultaneously to seal described fillings mouth;

Go to buy (or sell) on credit at least a portion of the first lid member to open described filling mouth;

By the filling mouth of opening developer is refilled in the developer containing part;

Select the first lid member and second any one the lid member that covers in the member that is different from the first lid member; With

After refilling developer, selected lid member is installed in the following manner at least one any one cylindrical wall portion of cylindrical wall portion to seal described filling mouthful, when selected lid member is the first lid member, the described first lid member is pressed and inserts in first cylindrical wall portion and be ultrasonically welded to first cylindrical wall portion, when selected lid member is the second lid member, the described second lid member is pressed in the cylindrical wall portion of the cylindrical wall portion of inserting at least one, make the second lid member contact the lip-deep second portion of any one cylindrical wall portion of the cylindrical wall portion of at least one simultaneously, described second portion is different from described first.

58. method as claimed in claim 57 is characterized in that,

Described removal comprises coming along and removes first cylindrical wall portion and the first lid member, and

Described selection comprises selects the second lid member.

59. method as claimed in claim 57 is characterized in that,

Described removal comprises and comes along at least a portion of removing first cylindrical wall portion and at least a portion of the first lid member, and

Described selection comprises selects the second lid member.

60. method as claimed in claim 57 is characterized in that,

Described removal comprises a part of removing the first lid member but any part of not removing described first cylindrical wall portion, and

Described selection comprises selects the second lid member.

61. method as claimed in claim 57 is characterized in that,

Described removal comprises any part of removing the whole first lid member but not removing described first cylindrical wall portion, and

Described selection comprises selects the second lid member.

62. method as claimed in claim 57 is characterized in that,

Described removal comprises any part of removing the whole first lid member but not removing described first cylindrical wall portion, and

Described selection comprises selects the first lid member.

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