CN104471491A - Cartridge - Google Patents

Abstract

Provided is a cartridge into which a developer can be refilled without damaging the filling opening or the cap while allowing the developer refill history to be checked easily by using inexpensive components. This developing cartridge (19) comprises: a developing frame (25) in which a filling opening (46) is formed; and a cap (57) having a hole (67). The developing frame (25) is provided with: a cylindrical part (51) that protrudes to the outside of the developing frame (25) so as to surround the filling opening (46); and a protruding part (53) that is arranged more to the outside than the cylindrical part (51) and that is to be fixed with the hole (67). The cap (57) is fixed to the developing frame (25) by irreversibly deforming the hole (67) and the protruding part (53).

Description

Box

Technical field

The present invention relates to a kind of box formed in the mode being installed on the image processing system adopting electrofax mode.

Background technology

All the time, the known printer being detachably provided with the electrofax mode of Delevoping cartridge.Delevoping cartridge possesses the developer roll etc. for carrying toner, is filled with toner in inside.

As this Delevoping cartridge, such as, propose a kind of handle box, this handle box has: developing parts, to Electrophtography photosensor drum feed toner; And toner container, hold the toner be used for developing parts feed, mouth filled by the toner be formed for filling toner at toner container, and toner lid is pressed into and is embedded in toner fills mouth (for example, referring to patent documentation 1).

Prior art document

Patent documentation:

Patent documentation 1: Japanese Unexamined Patent Publication 11-338238 publication

Summary of the invention

The problem that invention will solve

This Delevoping cartridge is removed from image processing system when filled toner is finished, and is replaced with the new Delevoping cartridge being filled with toner.

Exist and refill toner and situation about recycling in the Delevoping cartridge removed from image processing system.

But although toner can refill repeatedly, being attached to the consumables such as the developer roll of Delevoping cartridge has the life-span.

Therefore, when repeatedly recycling, the situation in the life-span of the consumables being attached to Delevoping cartridge can be exceeded.

Therefore, in order to know the suitable replacing opportunity of the consumables being attached to Delevoping cartridge, the history that can confirm to refill toner is wished.

Such as, have studied following method: after refilling toner and fill mouth with toner closed with covers toner, paste strip of paper used for sealing thereon, thus confirm according to the vestige of the strip of paper used for sealing divested when refilling the history refilling toner.

But strip of paper used for sealing price is high, and then, strip of paper used for sealing is pasted the complicated operation of toner lid.

Therefore, have studied following method: crushed element is set on toner lid, make at the residual vestige refilling toner of toner lid self.

But, in this toner lid, after refilling toner, toner lid can be produced to unfavorable conditions such as the sealing reductions of toner.

Therefore, the object of the present invention is to provide a kind of box, what can confirm developer easily with cheap parts refills history, and can not damage and refill developer with filling mouth and lid.

For solving the technical scheme of problem

(1) in order to solve above-mentioned problem, box of the present invention comprises: framework, and this framework is configured to receiving photographic developer, and is formed with the filling mouth for filling developer; And lid, this cap seal closes filling mouth, and has the portion that is fixed for being fixed to framework.

Be provided with around the mode of filling mouth to the cylinder portion protruding outside of framework and be configured to relative to filling mouth than cylinder portion (51) in the outer part and the fixed part fixing with the portion of being fixed (67) in framework.

By making at least one party in the portion of being fixed and fixed part become irreversibly deformed, lid is fixed on framework.

According to this structure, when lid is fixed on framework, at least one party be fixed in portion and fixed part becomes irreversibly deformed.

Therefore, when the lid of closed filling mouth being pulled down from framework in order to refill developer from filling mouth, need at least one party in the portion of being fixed and fixed part to cut off from lid.Therefore, when refilling, at least one party be fixed in portion and fixed part remains as vestige.

Consequently, the history refilling developer can be confirmed.

And then according to this structure, the fixed part being fixed with the portion that is fixed of lid is arranged on the outside in the cylinder portion around filling mouth.

Therefore, the outside that cover and frame body is filling mouth is fixed, even if at least one party therefore in the portion of being fixed and fixed part produces distortion, also can not damage and be pulled down from framework by lid with filling mouth and lid.

Consequently, even if refill developer, also can guarantee to cover the sealing to developer.

(2) in addition, also can be, lid comprises: closure, relative with filling mouth; Main part, is arranged at the surrounding of closure and is inserted in a portion; And tongue piece portion, protruding outside from the part of the outer peripheral face of main part to main part, tongue piece portion has the portion of being fixed.

According to this structure, protruding outside to main part of the tongue piece portion with the portion of being fixed.Therefore, it is possible to effectively the portion of being fixed to be configured at the outside in a portion.

(3) in addition, also can be formed between the portion of being fixed and main part for making the cut-out in the portion of being fixed and main part become easy thinner wall section.

According to this structure, when being pulled down from framework by lid, the thinner wall section that the tongue piece portion between the portion of being fixed and main part can be formed is cut off.Therefore, can simply and cut off effectively in thinner wall section.

(4) in addition, also can be, be formed in the portion of being fixed porose, be formed with jut at fixed part, jut patchhole.

According to this structure, by the jut of fixed part being inserted into the hole in the portion of being fixed and making it be out of shape, at least one party in the portion of being fixed and fixed part can be become irreversibly deformed with simple structure.

(5) in addition, also can be also possess the projecting part adjacent and outstanding with lid at the lateral surface of framework, projecting part be formed as guiding lid when Jiang Gai is installed on and fills mouth.

According to this structure, when lid being installed on filling mouth, cover projecting part guides.Therefore, it is possible to efficiently lid is installed on filling mouth.

(6) in addition, also can be also possess the projecting part adjacent and outstanding with lid at the lateral surface of framework, the length that projecting part is given prominence to from the lateral surface of framework be longer from the length that the lateral surface of framework is outstanding than lid.

According to this structure, projecting part is adjacent with lid and outstanding.Therefore, even if developer leaks from lid, developer also can be attached to projecting part, therefore, it is possible to prevent developer from crossing projecting part and dispersing.

Consequently, the parts being configured at the opposition side of lid relative to projecting part can be prevented to be developed agent pollution.

(7) in addition, projecting part also can be electrod assembly.

According to this structure, can utilize electrod assembly that projecting part is set.

Therefore, it is possible to realize the minimizing of number of components, thus the simplification of structure and the minimizing of cost can be realized.

(8) in addition, also can be that be fixed portion and fixed part are provided with multipair, and it is corresponding with the history refilling developer to be configured to its paired quantity.

According to this structure, even if make certain be fixed for a pair portion and fixed part become irreversibly deformed and make it fix, the irreversible transformation after other right portions that are fixed and fixed part can also being used for.

Therefore, it is possible to by counting for the portion that is fixed of irreversible transformation and the logarithm of fixed part the history confirming to refill.

(9) in addition, also can be, also possesses the transfer member of the inside being arranged at framework, transfer member possesses the transmission shaft being supported in framework in the mode that can rotate, the inside of the filling mouth in framework is formed and transmission shaft is supported for the support portion that can rotate and the connecting portion be connected with support portion by the inner peripheral surface of the filling mouth in framework, and connecting portion is arranged on the nonoverlapping position of line segment with the center and fixed part that are connected transmission shaft when projecting from the axis direction of transmission shaft.

Exist and cover the situation that the part overlapping with connecting portion is out of shape due to connecting portion when projecting from the axis direction of transmission shaft.Therefore, if when from when arranging connecting portion in the position overlapping with the line segment at the center and fixed part that connect transmission shaft during the projection of the axis direction of transmission shaft, exist the portion that is fixed and fixed part remain the state that is fixed just can lid situation about pulling down from framework.

But according to this structure, connecting portion is formed at the nonoverlapping position of line segment with the center and fixed part that are connected transmission shaft when projecting from the axis direction of transmission shaft.Therefore, it is possible to lid is pulled down from framework under preventing the portion of being fixed and fixed part from remain the state be fixed.

(10) in addition, also can be that be fixed portion and fixed part are respectively arranged with multipair, and for cover and frame body, each fixed part of multiple fixed part is fixed in each portion of being fixed in multiple portions that are fixed corresponding with it.

According to this structure, by being become irreversibly deformed by multipair portion and the fixed part of being fixed, cover and frame body is fixing on multiple position.

Therefore, it is possible to make cover and frame body fix more effectively.

(11) in addition, also can be that at least two in multiple fixed part are configured at both sides across filling mouth, and multiple at least two of being fixed in portion and fixed part (53) configure accordingly.

According to this structure, by being become irreversibly deformed in the portion that is fixed of the both sides across filling mouth and fixed part, cover and frame body is fixed in the position of both sides across filling mouth.Therefore, it is possible to efficiently and make cover and frame body fix effectively.

(12) in addition, also can be, framework holds the developer carrier being used for bearing developer, and framework is configured to be contained in framework, this framework possesses image carrier, this image carrier for carrying the developer image formed by the developer from developer carrier feed, under the state before cover and frame body is fixed, when framework is housed inside framework, be fixed portion and fixed part are configured to not interfere with framework.

In order to check, make before at least one party in the portion of being fixed and fixed part becomes irreversibly deformed, framework to be contained in framework sometimes.

Under these circumstances, if be configured to only make at least one party in the portion of being fixed and fixed part become irreversibly deformed after do not interfere with framework, then there is the unfavorable condition that this inspection cannot be implemented.

But according to this structure, make before at least one party in the portion of being fixed and fixed part becomes irreversibly deformed, be fixed portion and fixed part and framework do not interfere.Therefore, it is possible to implement this inspection.

(13) in addition, also can be, framework holds the developer carrier being used for bearing developer, and framework is configured to be installed on framework, this framework possesses image carrier, this image carrier is for carrying the developer image formed by the developer from developer carrier feed, and framework possesses the Lock Part departed from from framework for being installed on framework limit framework in framework, overlapping with Lock Part when tongue piece portion projects to off-direction under being configured to the state being installed on framework in framework.

According to this structure, when framework moves from the state being installed on framework to off-direction, tongue piece portion abuts with Lock Part.Therefore, framework can be limited effectively by tongue piece portion to depart from from framework.

(14) in addition, also can be, framework holds the developer carrier being used for bearing developer, and framework is configured to be installed on framework, this framework possesses image carrier, this image carrier for carrying the developer image formed by the developer from developer carrier feed, under the state that framework is installed on framework, when to the axis direction projection of developer carrier, be configured to the portion of being fixed and fixed part is overlapping with framework.

According to this structure, the portion of being fixed and fixed part is made to expose from framework and to be covered by framework.

Therefore, it is possible to be fixed portion and fixed part by outside damage by frame protection.

(15) in addition, also can be that by by fastening at least one party in the portion of being fixed and fixed part, cover is fixed on framework.

According to this structure, fastening by carrying out, can simply and effectively make at least one party in the portion of being fixed and fixed part become irreversibly deformed.

(16) in addition, can be, there is not irreversible distortion in the position except the portion of being fixed and fixed part yet.

According to this structure, even if at least one party be fixed in portion and fixed part produces distortion, also when not damaging the position except the portion of being fixed and fixed part, lid can be pulled down from framework.

Therefore, lid and framework can be recycled when refilling developer.

Invention effect

According to the present invention, the history refilling developer can be confirmed.And then, even if refill developer, also can guarantee to cover the sealing relative to developer.

Accompanying drawing explanation

Fig. 1 is the central cross sectional view of the first embodiment representing printer.

Fig. 2 (a) is the vertical view of the Delevoping cartridge shown in Fig. 1, and Fig. 2 (b) is the partial sectional view observed from lower right side of the Delevoping cartridge shown in Fig. 1.

Fig. 3 (a) is the stereographic map observed from right lateral side of the lid shown in Fig. 2 (b), Fig. 3 (b) is the stereographic map observed from front left side of the lid shown in Fig. 2 (b), and Fig. 3 (c) is the stereographic map observed from front upper side of the lid shown in Fig. 2 (b).

Fig. 4 is for illustration of the lid undertaken by hole and jut to the fixing key diagram of box, and (a) represents lid is installed on the state of filling before mouth, (b) represent lid is installed on fill mouth after, be fixed before state.

Fig. 5 is for illustration of the lid undertaken by hole and jut to the fixing key diagram of box, and (a) represents lid to be installed on and fill mouth and state after being fixed, and (b) represents the state after being cut off by fixing lid.

Fig. 6 is the right part of the Delevoping cartridge shown in Fig. 2 (a), is the exploded perspective view observed from the rear right side of electrod assembly.

Fig. 7 (a) is the stereographic map observed from upper right side of the handle box shown in Fig. 1, and Fig. 7 (b) is the right side view of the Delevoping cartridge shown in Fig. 1.

Fig. 8 (a) is the vertical view of the handle box shown in Fig. 1.Fig. 8 (b) be in Fig. 8 (a) with circle around the enlarged drawing of part.

Fig. 9 is the right side view of the variation of the Delevoping cartridge shown in Fig. 1, (a) represent be provided with multiple jut and wherein with the variation (the second embodiment) refilling corresponding number and carry out irreversible distortion, (b) represents and is configured at across filling mouth the variation (the 3rd embodiment) that two holes of both sides and jut become irreversibly deformed respectively.

Figure 10 is the key diagram of the 4th embodiment of Lock Part for illustration of the bulging box shown in Fig. 7 (a), a () represents the state of the disengaging by Lock Part restriction Delevoping cartridge, (b) represents the state of the disengaging restriction being relieved Delevoping cartridge by Lock Part.

Figure 11 represents the lid of the Delevoping cartridge in variation (the 5th embodiment), and (a) is the stereographic map observed from front upper side, and (b) is the stereographic map observed from lower left side.

Figure 12 (a) is the right side view of the Delevoping cartridge in variation (the 5th embodiment), Figure 12 (b) is the enlarged partial sectional view along A-A' line of the Delevoping cartridge shown in Figure 12 (a), and Figure 12 (c) is the enlarged partial sectional view along B-B' line of the Delevoping cartridge shown in Figure 12 (a).

Figure 13 (a) is the vertical view of the Delevoping cartridge in variation (the 5th embodiment), Figure 13 (b) is the cut-open view along C-C' line of the Delevoping cartridge shown in Figure 13 (a), and Figure 13 (c) is the close-up schematic view of Figure 13 (b).

Embodiment

1. the entirety of printer is formed

As shown in Figure 1, printer 1 has the main body cover 2 of roughly box shape.

And printer 1 possesses the sheet feed section 3 for supplying paper S and the image forming part 4 for forming image at supplied paper S in main body cover 2.

And for printer 1 and handle box 15 (aftermentioned), when mentioning direction, direction when loading in the horizontal direction with printer 1 is benchmark, specifically, with the direction arrow shown in each figure for benchmark.

(1) main body cover

The box peristome 5 for loading and unloading handle box 15 (aftermentioned) and the paper peristome 6 for importing paper S is formed at main body cover 2.

Box peristome 5 is formed through along the vertical direction in the upper end of main body cover 2.

Paper peristome 6 is formed through along the longitudinal direction in the bottom of the leading section of main body cover 2.

And, the upper end of main body cover 2 is provided with overhead guard 7, is provided with in its leading section for paper cap 8.

Top cover 7 is configured to end thereafter as fulcrum swings (movement) at the detent position of enclosure peristome 5 and the open position of unlimited box peristome 5.

Paper supply lid 8 is configured to its bottom as fulcrum swings (movement) in the primary importance of closed paper peristome 6 and the second place of unlimited paper peristome 6.

(2) sheet feed section

Sheet feed section 3 possesses the paper mounting portion 9 of the bottom being arranged at main body cover 2.

Paper mounting portion 9 is via the ft connection of paper peristome 6 with main body cover 2.

Further, under the state that paper supply lid 8 is configured at the second place, the front part of paper S is stacked on the upper surface of paper supply lid 8 and its rear lateral portion lease making is stacked in paper mounting portion 9 by paper peristome 6.

And sheet feed section 3 possesses: pick-up roller 11, it is configured on the upside of the rearward end of paper mounting portion 9; Paper feed roller 12, it is configured at the rear side of pick-up roller 11; For paper washer 13, it is arranged opposite at the rear side of paper supply lid 12; And paper supply path 14, it extends continuously upward from the rearward end for paper washer 13.

(3) image forming part

Image forming part 4 possesses handle box 15, scanning element 16 and fixation unit 17.

(3-1) handle box

Handle box 15 as an example of box is configured to load and unload relative to main body cover 2, and it is installed on main body cover 2 in the upside of the rear section of sheet feed section 3.

Handle box 15 possesses: as the bulging box 18 of an example of image carrier box, consists of and can load and unload relative to main body cover 2; And the Delevoping cartridge 19 of an example as box, consist of and can load and unload at this drum box 18.

Drum box 18 possesses photosensitive drums 20, the transfer roll 21 of the example as image carrier and has grid net corona type (ス コ ロ ト ロ Application type) charged device 22.

Photosensitive drums 20 is formed as substantially cylindrical shape longer in the lateral direction, and can be arranged at the rear section of bulging box 18 rotatably.

Transfer roll 21 is formed as the longer cylindrical shape extended in left-right direction, and its rear side in photosensitive drums 20 can be arranged at the rear section of bulging box 18 rotatably.Transfer roll 21 is crimped on bulging box 18 from rear side.

In detail, transfer roll 21 is centrally located at its axle axle center than photosensitive drums 20 to be configured at photosensitive drums 20 rear side slightly by downside mode.In addition, the bottom of transfer roll 21 is configured to side more top than the bottom of photosensitive drums 20.Specifically, the angle of the acute angle that the virtual line segment (not shown) connecting the axle center of transfer roll 21 and the axle center of photosensitive drums 20 is formed with the virtual straight line (not shown) flatly extended along the longitudinal direction is about 3 °.Therefore, transfer roll 21 is not subject to the impact of the deadweight of transfer roll 21 on the pressure (transfer pressure) that photosensitive drums 20 crimps.

Grid net corona type charged device 22 is had to be arranged opposite at the front upper side of photosensitive drums 20 at spaced intervals.

In detail, have grid net corona type charged device 22 to configure in the circumferentially spaced compartment of terrain of photosensitive drums 20 relative to transfer roll 21, and the angle being configured to connect the angle that the axle center of photosensitive drums 20 is formed with the line segment (not shown) being connected the axle center of photosensitive drums 20 and the virtual of live line 23 (aftermentioned) with the virtual line segment (not shown) at the axle center of transfer roll 21 is about 120 °.

And, there is grid net corona type charged device 22 to possess live line 23 and grid 24.

Live line 23 to stretch setting in the mode extended in left-right direction, and is arranged opposite at the front upper side of photosensitive drums 20 at spaced intervals.

Grid 24 is formed as side-looking roughly " コ " word shape opened wide towards front upper place, and is arranged to from rear side around tape electric wire 23.

Delevoping cartridge 19 is configured in the front downside of photosensitive drums 20, and possesses the developing frame 25 of the example as framework.

Toner accommodating chamber 26 and developing room 27 is formed in tandem in developing frame 25.It is roughly the same each other that toner accommodating chamber 26 and developing room 27 are formed as its volume, and be communicated with by connected entrance 28.

Toner accommodating (developer) in toner accommodating chamber 26, before and after it, above-below direction substantially central portion divides the stirrer 29 of the example be provided with as transfer member.

Stirrer 29 possesses the transmission blade 50 being supported for the transmission shaft 49 and extension from transmission shaft 49 to radial direction that can rotate by developing frame 25.

Stirrer 29 is configured to than photosensitive drums 20 on the lower.

At developing room 27, be formed with donor rollers groove 30, developer roll opposite face 31 and lower film sticking veneer 32 at the upper surface of its lower wall.

Donor rollers groove 30 is the roughly semi-circular shape of the side face along donor rollers 33 (aftermentioned), and is formed as caving in towards the back lower place.

Developer roll opposite face 31 is the roughly circular shape of the side face of developer roll 34 (aftermentioned) along the example as developer carrier, and it is formed in the mode extended rearwardly and upwardly continuously from the rearward end of donor rollers groove 30.

Lower film sticking veneer 32 is formed in the mode rearward extended continuously from the rearward end of developer roll opposite face 31.That is, lower film sticking veneer 32 is configured to side more top than developer roll opposite face 31.

And lower film sticking veneer 32 is oppositely disposed at above-below direction at spaced intervals relative to the lower portion of photosensitive drums 20, when vertically projecting, be configured at the position overlapping with the axle center of photosensitive drums 20.

And, accommodate donor rollers 33, developer roll 34, thickness restriction scraper 35 and lower film 36 at developing room 27.

Donor rollers 33 possesses donor rollers turning axle 98 and covers the sponge roller 109 of this donor rollers turning axle 98, and the mode be configured in donor rollers groove 30 with its lower portion can be arranged at the front part of developing room 27 rotatably.Thus, donor rollers 33 is configured in the rear side of toner accommodating chamber 26, is configured at the height (than toner accommodating chamber 26 slightly by upside) roughly the same with toner accommodating chamber 26 in the vertical direction.

Developer roll 34 possesses developer roll turning axle 99 and covers the sponge roller 110 of this developer roll turning axle 99, can be arranged at the rear section of developing room 27 in the mode that the side face of its lower portion and developer roll opposite face 31 are relative at spaced intervals in the vertical direction each other rotatably.

And, developer roll 34 with contact from rear upside with donor rollers 33 and on the upside of it and the mode exposed from developing room 27 of rear section arrange, and it contacts with donor rollers 20 downside in the past.That is, developer roll 34 is configured at the rear upside of donor rollers 33, and is configured at the front downside of photosensitive drums 20.Further, the axle of the axle center of donor rollers 33, the axle center of developer roll 34 and photosensitive drums 20 is centrally located at along on the roughly same straight line of the radial direction of photosensitive drums 20.

In addition, developer roll 34 configures in the circumference of photosensitive drums 20 at spaced intervals relative to there being grid net corona type charged device 22, and the angle being configured to connect the angle that the axle center of photosensitive drums 20 is formed with the line segment at the axle center at the axle center and developer roll 34 that are connected photosensitive drums 20 with the line segment of live line 23 is about 120 °.That is, developer roll 34 is configured to grid net corona type charged device 22 and transfer roll 21 each other in the roughly equal compartment of terrain configuration of the circumferentially spaced of photosensitive drums 20.

The rearward end of the upper wall of developing room 27 is fixed in the upper end of thickness restriction scraper 35, and its bottom contacts from front side with developer roll 34.

The rear section of lower film 36 is fixed on lower film sticking veneer 32, its leading section above developer roll opposite face 31 with the circumferential contact of developer roll 34.

(3-2) scanning element

Scanning element 16 is configured in the front side of handle box 15, and to configure in the mode that fore-and-aft direction is relative at spaced intervals with photosensitive drums 20.

Scanning element 16 towards photosensitive drums 20 outgoing laser beam L, makes the side face of photosensitive drums 20 expose based on view data.

In detail, laser beam L rearward penetrates from scanning element 16, and the side face of the leading section of photosensitive drums 20 is exposed.That is, the impression that the exposure station (side face of the leading section of photosensitive drums 20) that photosensitive drums 20 exposes is set to contact with transfer roll 21 with photosensitive drums 20 relative to the axle center of photosensitive drums 20 puts contrary side.

Now, Delevoping cartridge 19 be configured to than laser beam L injection track on the lower, have grid net corona type charged device 22 to be configured to side more top than the injection track of laser beam L.

In addition, the medial surface of the main body cover 2 corresponding with between scanning element 16 and photosensitive drums 20 is provided with the guide portion 37 that boot process box 15 loads and unloads.Further, when handle box 15 departs from from main body cover 2, by guide portion 37 boot process box 15, thus the Delevoping cartridge 19 being installed on bulging box 18 from downside to upside by the injection track of laser beam L.

Now, the various rollers (transfer roll 21, donor rollers 33 and developer roll 34) being arranged at handle box 15 also pass through the injection track of laser beam L from downside to upside.

(3-3) fixation unit

Fixation unit 17 is configured in the upside of the rear section of bulging box 18.In detail, fixation unit 17 possesses the warm-up mill 38 of the top being configured at grid net corona type charged device 22 and is crimped on the backer roll 39 of warm-up mill 38 from rear upside.

That is, warm-up mill 38 is configured near the upper end (open side end) of the grid 24 of grid net corona type charged device 22.

(4) image forms action

Toner in the toner accommodating chamber 26 of Delevoping cartridge 19 is supplied to donor rollers 33 by the rotation of stirrer 29 via connected entrance 28, and then is fed into developer roll 34, by the electricity of positive polarity in friction belt between donor rollers 33 and developer roll 34.

The toner being supplied to developer roll 34 limits scraper 35 limited thickness along with the rotation of developer roll 34 by thickness, and is carried on the surface of developer roll 34 as certain thickness thin layer.

On the other hand, the surface of photosensitive drums 20 by have grid net corona type charged device 22 and similarly charged after, be exposed by scanning element 16.Thus, the electrostatic latent image based on view data is formed at the side face of photosensitive drums 20.Then, the toner being carried on developer roll 34 is supplied to the electrostatic latent image on the side face of photosensitive drums 20, thus on the side face of photosensitive drums 20, carry toner image (developer picture).

The paper S being stacked in paper mounting portion 9 is sent to paper feed roller 12 and supplies between paper washer 13 by the rotation of pick-up roller 11, and is one by one put in order by the rotation of paper feed roller 12.After this, the paper S be organized is transferred into paper supply path 14 by the rotation of paper feed roller 12, is one by one supplied to image forming part 4 (between photosensitive drums 20 (aftermentioned) and transfer roll 21 (aftermentioned)) in the predetermined moment.

Then, paper S is transmitted to upside by from downside between photosensitive drums 20 and transfer roll 21.Now, toner image is transferred to paper S, thus forms image.

Then, paper S is being heated by time between warm-up mill 38 and backer roll 39 and pressurizeed.Now, thermal image is fixed on paper S.

After this, paper S is transmitted by towards exit roller 40, and is discharged to by exit roller 40 on the ADF dish 41 that formed at the upper surface of main body cover 2.

Such paper S is in the following manner in the drive access transmission of side-looking substantially C-shaped: from paper mounting portion 9 paper supply, by (impression point) between photosensitive drums 20 and transfer roll 21, then passing through after between warm-up mill 38 and backer roll 39, be discharged on discharge tray 41.

2. the detailed construction of Delevoping cartridge

Then, Delevoping cartridge 19 is described in detail.

In addition, in the explanation of Delevoping cartridge 19, when mentioning direction, with direction during Delevoping cartridge 19 horizontal arrangement for benchmark, specifically, with the direction of arrow shown in each figure for benchmark.That is, about the fore-and-aft direction up and down of printer 1 and the fore-and-aft direction up and down about Delevoping cartridge 19 slightly different, Delevoping cartridge 19 with on front side of it for the front upper side of printer 1 and for the mode of the rear side of printer 1 is installed on printer 1 on rear side of it.

In addition, in hereafter illustrated bulging box 18, also follow foregoing when mentioning direction.

(1) developing frame

As shown in Fig. 2 (a), developing frame 25 is formed as the roughly box shape extended in left-right direction.

Developing frame 25 is formed with the peristome extended along left and right directions at rear side, to make developer roll 34 expose, and possess the pair of right and left sidewall 42 of side-looking substantially rectangular shape.

Sidewall 42 in left side is (below, as left side wall 42L.) lateral surface (left surface) be configured with for driving the gear train of various roller (not shown) and the gear cap 44 for covering gear train.

Sidewall 42 on right side is (below, as right side wall 42R.) lateral surface (right flank), be configured with electrod assembly 45 (aftermentioned) at rear side, and, be formed as Suo Shi Fig. 4 (a) in front side fill mouth 46.

In order to toner is filled into toner accommodating chamber 26, filling mouth 46 is arranged at the right side wall 42R for dividing toner accommodating chamber 26, is formed as the side-looking circular shape of the thickness direction (left and right directions) running through right side wall 42R.

The connecting portion 48 being provided with the support portion 47 being configured at the approximate centre of filling mouth 46 in the inside of filling mouth 46 and along the radial direction of filling mouth 46, the outer peripheral face of support portion 47 being connected with the inner peripheral surface of filling mouth 46.

Support portion 47 is formed as toroidal, and has the inner peripheral surface identical with the outer peripheral face approximate diameter of the transmission shaft 49 (aftermentioned) of stirrer 29.

The right flank of support portion 47 tilts to the radial outside of transmission shaft 49 (aftermentioned) along with from right towards left (from the outside of developing frame 25 towards inner side).

Connecting portion 48 is equally spaced provided with three in the mode of 120 ° of offseting one from another in the circumference of filling mouth 46.

Specifically, filling the inside of mouth 46, connecting portion 48 possesses: the first connecting portion 48A, extended to rear side from support portion 47; Second connecting portion 48B, downside is extended forward; And the 3rd connecting portion 48C, extended to upside.

Each connecting portion 48 is formed as general rod shaped shape, and is formed as making along with from right towards left (from the outside of developing frame 25 towards inner side) the section shape triangular in shape that the width of connecting portion 48 on the direction being orthogonal to long side direction becomes large.

Further, the right-hand end of the transmission shaft 49 of stirrer 29 is inserted through support portion 47, and supported portion 47 is supported for and can rotates thus.Thus, the rotation center of stirrer 29 (transmission shaft 49) configures in the mode overlapping with the center of filling mouth 46.

As shown in Fig. 2 (b) and Fig. 4 (a), be provided with at the lateral surface of right side wall 42R: cylinder portion 51, with around fill mouth 46 mode to the right (outside) give prominence to; , locked portion 52, cylinder portion 51 front side to the right (outside) give prominence to; And the jut 53 of an example as fixed part, give prominence to towards right (outside) between cylinder portion 51 and locked portion 52.

Cylinder portion 51 is the substantially cylindrical shapes with the internal diameter roughly the same with the diameter of filling mouth 46, is formed in the mode that the inner peripheral surface of the inner peripheral surface and cylinder portion 51 of filling mouth 46 is coplanar.

Locked portion 52 is formed as the side-looking roughly U-shaped to rear open.

Jut 53 relative to fill mouth 46 be configured at a portion 51 outside (front upper side) and than locked portion 52 rearward on the upside of.

Jut 53 is formed as comparing locked portion 52 pole shape outstanding to the right further from right side wall 42R.

In addition, jut 53 is configured to, when from the projection of the axis direction of transmission shaft 49, connect the center of transmission shaft 49 and the line segment X1 (Fig. 4 (a)) of jut 53 by between the second connecting portion 48B and the 3rd connecting portion 48C, namely not overlapping with arbitrary connecting portion 48.

(2) cover

As shown in Fig. 2 (b), fill mouth 46 and closed by lid 57.

As shown in Figure 3, cover 57 to possess: with the closure 58 that the mode of closed filling mouth 46 is relative with filling mouth 46; Be arranged at the surrounding of closure 58 and be inserted in the main part 59 in a portion 51 when mounting cover 57; And from a part for the outer peripheral face of main part 59 tongue piece portion 60 outstanding to the front side (outside) of main part 59.

Closure 58 possesses: multiple (three) bellying 62 that what right flank was closed have the outer peripheral face of the middle cylinder 61 of round-ended cylinder shape, therefrom cylinder 61 outstanding to the radial outside of middle cylinder 61 and the mesospore 63 in being set up between bellying 62 adjacent one another are between the left part of cylinder 61 and the left part of main part 59.

Middle cylinder 61 is configured at the position overlapping with support portion 47 when projecting from lid 57 relative to the installation direction of filling mouth 46, and the internal diameter of middle cylinder 61 is formed as slightly larger than the external diameter of support portion 47.In addition, in the lateral direction, middle cylinder 61 is formed as longer than support portion 47.

In addition, the left part of middle cylinder 61 and the left part of main part 59 are configured at identical position, and on the other hand, the right part of support portion 47 is configured to keep left side than the right part of main part 59, and that is, in the lateral direction, middle cylinder 61 is formed as shorter than main part 59.

Further, support portion holding tank 94 is marked off by the inner peripheral surface of middle cylinder 61 and inner bottom surface (medial surface of the right side wall of middle cylinder 61) in the inside of middle cylinder 61.

Bellying 62 is configuration identical with middle cylinder 61 in the lateral direction and length, be configured in when from lid 57 relative to the position overlapping with connecting portion 48 when filling the installation direction projection of mouth 46, and to be equally spaced formed three (the first bellying 62A corresponding with the first connecting portion 48A, the second bellying 62B corresponding with the second connecting portion 48B and the three bellying 62Cs corresponding with the 3rd connecting portion 48C) in the mode of 120 ° of offseting one from another in the circumference of middle cylinder 61.

Each bellying 62 is formed as when analysing and observe U-shaped to left open when filling the radially projecting of mouth 46.

The otch corresponding with bellying 62 is formed at middle cylinder 61 and main part 59, thus, by pair of inside face (medial surface of the two side of bellying 62) and the inner bottom surface (medial surface of the right side wall of bellying 62) of bellying 62, be formed with the connecting portion holding tank 95 support portion holding tank 94 of middle cylinder 61 and main part 59 are radially communicated with.Connecting portion holding tank 95 is formed three (the first connecting portion holding tank 95A corresponding with the first connecting portion 48A and the first bellying 62A, the second connecting portion holding tank 95B corresponding with the second connecting portion 48B and the second bellying 62B and the three connecting portion holding tank 95Cs corresponding with the 3rd connecting portion 48C and the 3rd bellying 62C).

The groove width (filling the circumferential lengths of mouth 46) of connecting portion holding tank 95 is formed as longer than the width on the direction orthogonal with long side direction of connecting portion 48.

Further, the support portion holding tank 94 communicated with each other and connecting portion holding tank 95 form grooving 64.Grooving 64 is formed three (the grooving 64A corresponding with the first connecting portion holding tank 95A, the grooving 64B corresponding with the second connecting portion holding tank 95B and the grooving 64Cs corresponding with the 3rd connecting portion holding tank 95C).

Mesospore 63 is to arrange the mode closed by the region dividing out between the left part of the left part of middle cylinder 61, main part 59 and bellying 62 adjacent in the circumferential each other.

Main part 59 possesses: the perisporium 65 that the inner peripheral surface along cylinder portion 51 extends, the flange part 66 outstanding to radial outside from the right part of perisporium 65 and for by the locking pawl 69 of lid 57 engaging in developing frame 25.

Perisporium 65 be formed as in the lateral direction with the drum of the same length in cylinder portion 51, be connected with middle cylinder 61 via mesospore 63 and bellying 62 in left part.

Flange part 66 is given prominence to (with reference to Fig. 2 (b)) from the outer peripheral face of perisporium 65 in the mode that its peripheral end face is coplanar with the peripheral end face in cylinder portion 51 in the radial direction of filling mouth 46.

Locking pawl 69 is formed in the left part of perisporium 65 from the outer peripheral face of perisporium 65 toroidal outstanding to radial outside, and the section being formed as to engage with the inner peripheral surface of filling mouth 46 is hook-shaped.Locking pawl 69 is provided with three, specifically, possesses the first locking pawl 69A of the rear upside being arranged at perisporium 65, is arranged at the second locking pawl 69B of downside and is arranged at the 3rd locking pawl 69C of front upper side.

Writing board shape is looked substantially rectangular on the right side that tongue piece portion 60 is formed as giving prominence to from a part for the outer peripheral face of flange part 66 towards radial outside.

Tongue piece portion 60 is configured between the second bellying 62B (grooving 64B) and the 3rd bellying 62C (grooving 64C) in the circumference of flange part 66.

Hole 67 as an example in the portion of being fixed and thinner wall section 68 is formed in tongue piece portion 60.

Hole 67 is run through tongue piece portion 60 in the substantial middle of tongue piece portion 60 along left and right directions and is formed, and jut 53 can be inserted wherein, and is arranged on when being provided with lid 57 and position that jut 53 is oppositely disposed.

As shown in Fig. 3 (c); thinner wall section 68 is formed with otch between hole 67 and main part 59 and at the base end part (in tongue piece portion 60 with the boundary member of flange part 66) of tongue piece portion 60 along the direction orthogonal with the long side direction of tongue piece portion 60, from the surface (right surface) of tongue piece portion 60 and the back side (left surface), thus thickness of slab is formed thinner.

(3) electrod assembly

As shown in Fig. 4 (a), Delevoping cartridge 19 possesses the electrod assembly 45 of the example as projecting part, this electrod assembly 45 is installed on the lateral surface (right flank) of right side wall 42R, and with filling the adjacent configuration in rear upside of the lid 57 that mouth 46 is installed.

As shown in Figure 6, electrod assembly 45 possesses supply electrode 73, parts of bearings 74 and development electrode 75.

Supply electrode 73 is formed as the general rod shaped shape extended along the direction of the front upper side and rear side that connect developing frame 25 by the resin material of electric conductivity.Supply electrode 73 possesses supply side contact site 76, connecting portion 77 and supply roll shaft insertion portion 78 integratedly.

Supply side contact site 76 is configured at the front upper side end of supply electrode 73.Supply side contact site 76 is formed as extending in left-right direction and the substantially rectangular square tube shape of the side-looking closed of right part.

Connecting portion 77 is formed as the bent flat plate shape of the roughly crank shape extended to rear side continuously from the left end edge of supply side contact site 76.

Supply roll shaft insertion portion 78 is arranged continuously with the rear side end of connecting portion 77, is formed as the substantially cylindrical shape extended in left-right direction.

Parts of bearings 74 is formed as connecting the substantially rectangular writing board shape of side-looking longer on the front upper side of developing frame 25 and the direction of rear side by the resin material of insulativity.Parts of bearings 74 possesses insulation division 79, installation portion 80 and bearing portion 81 integratedly.

Insulation division 79 is configured at the front upper side end of parts of bearings 74.Insulation division 79 extends in left-right direction, and is formed as the square tube shape of the side-looking closed right part roughly L-shaped.

Installation portion 80 is formed as from the left end edge of insulation division 79 continuously to the roughly writing board shape that rear side extends.

Bearing portion 81 is arranged continuously with the rear side of installation portion 80, is formed as the writing board shape that side-looking is substantially rectangular.Be formed with development roll shaft inserting hole 96 at bearing portion 81 and supply roll shaft and be coated to portion 97.

Development roll shaft inserting hole 96 is formed through as side-looking circular shape in the above-below direction substantial middle of bearing portion 81.

Supply roll shaft is coated to portion 97 and is formed as outstanding on the right side of the front lower side direction of development roll shaft inserting hole 96 and the substantially cylindrical shape that right part is closed.

Development electrode 75 is formed as connecting the substantially rectangular writing board shape of side-looking longer on the front upper side of developing frame 25 and the direction of rear side by the resin material of electric conductivity.Development electrode 75 possesses development side contacts portion 82, installation portion 83 and development roll shaft fitting portion 84 integratedly.

Development side contacts portion 82 is configured at the front upper side end of development electrode 75.Development side contacts portion 82 extends in left-right direction, and is formed as the substantially rectangular roughly square tube shape closed right part.

Installation portion 83 is formed as extending to rear side continuously from the bottom in development side contacts portion 82 and having the roughly block of the left and right directions length identical with development side contacts portion 82.

Development roll shaft fitting portion 84 is formed as from the left part according to portion 83 continuously to the roughly writing board shape that rear side extends.

Supply electrode 73 is to supply the right side wall 42R that the mode being embedded in donor rollers turning axle 98 outside roll shaft insertion portion 78 is supported in developing frame 25.

Thus, supply electrode 73 to be electrically connected with donor rollers turning axle 98.

Parts of bearings 74 is to be supported in the right side wall 42R of developing frame 25 from the right side covering supply supply roll shaft insertion portion 78 of electrode 73 and the mode of connecting portion 77.

Developer roll turning axle 99 can be inserted through the development roll shaft inserting hole 96 of bearing portion 81 rotatably.

In addition, the supply roll shaft that donor rollers turning axle 98 can be embedded in bearing portion 81 is rotatably coated to portion 97.

Thus, donor rollers 33 and developer roll 34 axle are supported for and can rotate by parts of bearings 74, and locate relative to developing frame 25.

In addition, insulation division 79 is oppositely disposed at spaced intervals with the rear side of the supply side contact site 76 of supply electrode 73.

Development electrode 75 is supported in parts of bearings 74 in the mode being embedded in developer roll turning axle 99 outside the roll shaft fitting portion 84 that develops.

Thus, as shown in Fig. 4 (a), supply electrode 73, parts of bearings 74 and development electrode 75 is fixed on developing frame 25 by the screw 108 shared.

Be situated between supply electrode 73 and development electrode 75 and be provided with parts of bearings 74, supply electrode 73 and development electrode 75 be mutually insulated by parts of bearings 74.

Be fixed on the supply electrode 73 of developing frame 25, parts of bearings 74 and development electrode 75 formed with along the mode of filling mouth 46 from upside and rear side adjacent with filling mouth 46 and from right side wall 42R in the electrod assembly 45 analysed and observe roughly L-shaped shape and give prominence to.

Specifically, as shown in Fig. 4 (a), the supply side contact site 76 of supply electrode 73 is adjacent to be configured in the upside of filling mouth 46.

Supply side contact site 76 gives prominence to (Fig. 2 (b)) to the right than being installed on the lid 57 of filling mouth 46, covers lid 57 thus from upside.

In addition, in right side view, be formed with the first guide surface 100 in the bottom (lower surface of the supply side contact site 76 relative with lid 57) of supply side contact site 76.

Filling adjacent insulation division 79 and the development electrode 75 being configured with parts of bearings 74 in rear upside of mouth 46.

Insulation division 79 and development electrode 75 give prominence to (Fig. 2 (b)) more to the right than being installed on the lid 57 of filling mouth 46, cover lid 57 thus from rear upside.

In addition, in right side view, be formed with the second guide surface 101 in the bottom (lower surface of the insulation division 79 relative with lid 57) of insulation division 79.Further, in right side view, the 3rd guide surface 102 is formed with in the leading section (front end face of the development electrode 75 relative with lid 57) of development electrode 75.

Filling the adjacent bearing portion 81 being configured with parts of bearings 74 of rear side of mouth 46.

Bearing portion 81 gives prominence to (Fig. 2 (b)) more to the right than being installed on the lid 57 of filling mouth 46, covers lid 57 thus from rear side.

In addition, in right side view, be formed with the 4th guide surface 103 in the leading section (front end face of the bearing portion 81 relative with lid 57) of bearing portion 81.

That is, the length that the length that electrod assembly 45 (supply electrode 73, parts of bearings 74 and development electrode 75) is formed as rearward giving prominence to from right side wall 42R is given prominence to than the right side wall 42R from the lid 57 being installed on filling mouth 46 is long.That is, electrod assembly 45 is more given prominence to from right side wall 42R to the right than being installed on the lid 57 of filling mouth 46.

In addition, the end face relative with lid 57 of electrod assembly 45 (supply electrode 73, parts of bearings 74 and development electrode 75) be formed as lid 57 is installed on fill mouth 46 time by lid 57 to the guide surface (the first guide surface 100, second guide surface 101, the 3rd guide surface 102, the 4th guide surface 103) of filling mouth 46 and guiding.

In addition, in order to be guided to filling mouth 46 by lid 57 more effectively, the first guide surface 100 and the second guide surface 101 preferably tilt downwards along with towards left, and the 3rd guide surface 102 and the 4th guide surface 103 preferably forwards tilt along with towards left.

(4) filling of toner

Further, by following order, toner is filled into this Delevoping cartridge 19.

First, as shown in Fig. 4 (a), be ready to fill the unlimited new Delevoping cartridge 19 of mouth 46, to make filling mouth 46 mode upward, the long side direction of Delevoping cartridge 19 vertically configured.

Further, toner is filled into the toner accommodating chamber 26 of Delevoping cartridge 19 from filling mouth 46.

Now, even if the surface of the filling direction upstream side of toner contact support portion 47 and connecting portion 48, support portion 47 and connecting portion 48 also can tilt along with the outside from developing frame 25 becomes large mode towards inner side with width, and therefore toner can be contained in toner accommodating chamber 26 from the surperficial landing of support portion 47 and connecting portion 48.

Further, after the filling of toner completes, as shown in Fig. 4 (b), lid 57 is installed on and fills mouth 46.

Filling mouth 46 to be installed on by lid 57, first, lid 57 and filling mouth 46 being oppositely disposed.

Now, the installation direction of lid 57 is configured to, support portion 47 is relative with support portion holding tank 94, and each connecting portion 48 is relative with each connecting portion holding tank 95, and jut 53 is relative with hole 67.

Then, when lid 57 to filling mouth 46 near time, the outer peripheral face of the main part 59 of lid 57 is guided by the guide surface of electrod assembly 45 (the first guide surface 100, second guide surface 101, the 3rd guide surface 102, the 4th guide surface 103), and is directed to the inner peripheral surface in a portion 51.

Then, lid 57 is pressed into filling mouth 46.

When being pressed into lid 57, main part 59 is pressed towards filling mouth 46, until the flange part 66 of lid 57 abuts to a portion 51.

So, locking pawl 69 is engaging in the medial surface of the developing frame 25 of filling in mouth 46.

In addition, support portion 47 supported portion holding tank 94 holds, and each connecting portion 48 is held by each connecting portion holding tank 95, and jut 53 is inserted through hole 67.

Afterwards, lid 57 is fixed on developing frame 25.

In order to fixed cap 57, fixture is abutted to the jut 53 being inserted through hole 67, undertaken heating and pressurizeing by fixture, and jut 53 is become irreversibly deformed.In other words, undertaken heating and pressurizeing by fixture, and make jut 53 permanent strain.

Now, till the profile heating and be forced into the movable end (right part) of jut 53 is larger than the diameter in hole 67, jut 53 is fixed on hole 67, thus lid 57 is fixed on developing frame 25.In the present embodiment, jut 53 is heated in the mode of overlooking T-shaped becoming leading section (right part) above-below direction expansion forwards, backwards and is pressurizeed, and fastened.

In addition, when lid 57 is fixed on developing frame 25, in order to maintain recycling property, from the jut 53 of the example as fixed part and can not become irreversibly deformed as the position (position except except jut 53 and hole 67) that the hole 67 of an example in the portion of being fixed is different.More particularly, developing frame 25 and flange part 66 can not become irreversibly deformed, and are only that the jut 53 be configured at outside it becomes irreversibly deformed.

Thus, toner completes to the filling of Delevoping cartridge 19.

In addition, when refilling toner in order to recycle to Delevoping cartridge 19, lid 57 is pulled down from Delevoping cartridge 19.

When pulling down lid 57, as shown in Fig. 5 (b), the thinner wall section 68 of tongue piece portion 60 along tongue piece portion 60 is cut from main part 59.So, the residual part of the tongue piece portion 60 be cut off at thinner wall section 68 place remains in Delevoping cartridge 19 as vestige.

Thereby, it is possible to confirm to refill the situation that lid 57 was pulled down by toner.

(5) Delevoping cartridge is to the installation of drum box

As shown in Figure 7, this Delevoping cartridge 19 is installed on bulging box 18.

As shown in Fig. 7 (a), drum box 18 possesses the drum frame 111 of the example as framework.Drum frame 111 possesses: pair of right and left sidewall 104, lower wall 105, antetheca 106 and upper wall 107.

Pair of right and left sidewall 104 is formed as extending upward at rear section and the side-looking roughly L-shaped shape forwards extended in front part.

Lower wall 105 is set up between the bottom of pair of right and left sidewall 104.

Antetheca 106 is set up between the leading section of pair of right and left sidewall 104 and lower wall 105.

Upper wall 107 is set up between upper end at the rear section of pair of right and left sidewall 104.

Further, bulging accommodation section 86 is marked off by the rear section of pair of right and left sidewall 104, upper wall 107 and the lower wall 105 relative with upper wall 107.

Box installation portion 87 is marked off by the front part of pair of right and left sidewall 104, lower wall 105 and antetheca 106.

Be supported with photosensitive drums 20, transfer roll 21 in drum accommodation section 86 and have grid net corona type charged device 22.

Box installation portion 87 is communicated with drum accommodation section 86, and that opens wide above being formed as roughly has end rectangular frame shape.

When installing (accommodation) at box installation portion 87 and having Delevoping cartridge 19, developer roll 34 contacts with photosensitive drums 20 (with reference to Fig. 1).

Further, under the state that Delevoping cartridge 19 is installed on drum frame 111, in right side view, as shown in Fig. 7 (b), hole 67 and jut 53 are covered by the sidewall 104 (hereinafter referred to as right side wall 104R) on the right side of drum frame 111.That is, to developer roll 34 axis direction projection time, hole 67 and jut 53 configure in the mode being comprised (overlap) by the right side wall 104R of drum frame 111.

In addition, as shown in Fig. 8 (b), in a top view, between jut 53 and right side wall 104R, small gap S1 is formed with.

Gap S1 is set as following interval: under the state that lid 57 is fixed on before developing frame 25, and when Delevoping cartridge 19 is installed on drum frame 111, hole 67 and jut 53 (shown in dotted line) are not interfered with right side wall 104R.

Under the state be fixed to before developing frame 25 be filled with toner in Delevoping cartridge 19 after and at lid 57, being sometimes installed to drum frame 111, implementing the printing experiment for carrying out quality inspection.If set such gap S1, even if then when implementing this printing experiment, also Delevoping cartridge 19 can be installed to drum frame 111.

3. action effect

(1), according to this Delevoping cartridge 19, when lid 57 is fixed to developing frame 25, hole 67 and jut 53 are become irreversibly deformed by melting (heat is fastening).

Therefore, when the lid 57 of closed filling mouth 46 being pulled down from developing frame 25 in order to refill toner from filling mouth 46, need tongue piece portion 60 (hole 67 and jut 53) to cut off from lid 57.Therefore, when toner is refilled Delevoping cartridge 19, tongue piece portion 60 (hole 67 and jut 53) remains as vestige.

Consequently, history toner being refilled Delevoping cartridge 19 can be confirmed.

And then according to this Delevoping cartridge 19, jut 53 is arranged on the outside around the cylinder portion 51 of filling mouth 46.

Therefore, lid 57 and the outside that developing frame 25 is filling mouth 46 are fixed, even if therefore hole 67 and jut 53 produce irreversible distortion, also can be pulled down from developing frame 25 by lid 57 when not damaging and filling mouth 46 and lid 57.

Consequently, even if toner is refilled Delevoping cartridge 19, the sealing of lid 57 pairs of toners can also be guaranteed.

(2) in addition, according to this Delevoping cartridge 19, the tongue piece portion 60 with hole 67 is given prominence to laterally from main part 59.Therefore, it is possible to effectively hole 67 to be configured at the outside in a portion 51.

(3) in addition, according to this Delevoping cartridge 19, when being pulled down from developing frame 25 by lid 57, the thinner wall section 68 that the tongue piece portion 60 between hole 67 and main part 59 can be formed is cut off.Therefore, can simply and cut off effectively in thinner wall section 68.

(4) in addition, according to this Delevoping cartridge 19, by making it be out of shape jut 53 patchhole 67, can by simple structure by hole 67 and jut 53 melting (heat is fastening), thus it be made to become irreversibly deformed.

(5) in addition, according to this Delevoping cartridge 19, when lid 57 being installed on filling mouth 46, lid 57 is guided by the electrod assembly 45 adjacent and outstanding with lid 57.Mouth 46 is filled therefore, it is possible to be installed on by lid 57 efficiently.

(6) in addition, according to this Delevoping cartridge 19, electrod assembly 45 is adjacent with lid 57 and outstanding.Therefore, even if toner leaks from lid 57, toner can be attached to electrod assembly 45, therefore, it is possible to prevent it from crossing electrod assembly 45 and dispersing.

Consequently, can prevent from being configured at the parts (photosensitive drums 20, have grid net corona type charged device 22 and transfer roll 21 etc.) of the opposition side of lid 57 by toner contamination relative to electrod assembly 45.

(7) in addition, according to this Delevoping cartridge 19, electrod assembly 45 can be utilized to arrange and cover 57 adjacent and outstanding parts.

Therefore, it is possible to realize the minimizing of number of components, thus the simplification of structure and the minimizing of cost can be realized.

(8) cover 57 to be out of shape at grooving 64 place be made up of the connecting portion holding tank 95 and support portion holding tank 94 that hold connecting portion 48 and support portion 47 sometimes.Therefore, there is following situation: if when projecting from the axis direction of transmission shaft 49, connecting portion 48 is arranged at the position overlapping with the line segment X1 at the center and jut 53 that connect transmission shaft 49, then pass through the distortion of the grooving 64 be made up of the connecting portion holding tank 95 holding this connecting portion 48 (specifically, when pulling down lid 57, on the direction orthogonal with the axis direction of transmission shaft 49, grooving 64 such as to open at the distortion), under the state that hole 67 and teat 53 keep fixing, lid 57 can be pulled down from developing frame 25.

But according to this Delevoping cartridge 19, arbitrary connecting portion 48 is all formed at the nonoverlapping position of line segment X1 with the center and jut 53 that are connected transmission shaft 49 when projecting from the axis direction of transmission shaft 49.Therefore, it is possible to lid 57 is pulled down from developing frame 25 under preventing hole 67 and jut 53 from remain the state be fixed.

(9) in order to carry out printing check and with when make hole 67 and jut 53 become irreversibly deformed before, developing frame 25 is installed on the box installation portion 87 of drum frame 111, if when setting gap S1 in the mode making hole 67 and jut 53 only not interfere with the right side wall 104R of drum frame 111 after becoming irreversibly deformed, there is the unfavorable condition printing and check and cannot implement.

But, according to this Delevoping cartridge 19, be set in make hole 67 and jut 53 become irreversibly deformed before, gap S1 that hole 67 and jut 53 are not interfered with the right side wall 104R of drum frame 111.Check therefore, it is possible to implement to print.

(10) in addition, according to this Delevoping cartridge 19, hole 67 and jut 53 can not expose from the right side wall 104R of drum frame 111, are covered by the right side wall 104R of drum frame 111.

Therefore, it is possible to be not subject to outside damage by drum frame 111 protective hole 67 and jut 53.

(11) in addition, according to this Delevoping cartridge 19, fastening by carrying out, can simply and effectively make jut 53 become irreversibly deformed.

(12) in addition, according to this Delevoping cartridge 19, even if jut 53 produces distortion, also when the position except hole 67 and jut 53 can not be damaged, lid 57 can be pulled down from developing frame 25.

Therefore, lid 57 and developing frame 25 can be recycled when refilling toner.

4. the second embodiment

(structure)

Then, with reference to Fig. 9 (a), the second embodiment of the present invention is described.In addition, in this second embodiment, also the description thereof will be omitted to be marked with identical label for the parts identical with above-mentioned first embodiment.

In the above-described first embodiment, lid 57 forms a hole 67, developing frame 25 arranges a jut 53.Further, jut 53 is become irreversibly deformed, lid 57 is fixed relative to developing frame 25.

On the other hand, in this second embodiment, be provided with multiple (three) jut 53, and make the number of the jut 53 become irreversibly deformed corresponding with the history refilling toner.

Jut 53 is provided with three in spaced compartment of terrain in the front side in cylinder portion 51 in the vertical direction in the mode of the circumference along filling mouth 46.And, in Fig. 9 (a), the jut 53 of upside is as refilling the vestige of filling agent and remaining together with the tongue piece portion 60 of the lid 57 after using, and the jut 53 of middle side is fixed on the tongue piece portion 60 of the lid 57 in use, and the jut 53 of downside represents and do not use.

(action effect)

According to this Delevoping cartridge 19, even if make the jut 53 corresponding with some holes 67 in multiple jut 53 become irreversibly deformed, the irreversible transformation after also other juts 53 can being used for.

Therefore, it is possible to by counting to jut 5 three number for irreversible transformation the history confirming to refill toner.

5. the 3rd embodiment

(structure)

Then, with reference to Fig. 9 (b), the 3rd embodiment of the present invention is described.In addition, in the third embodiment, also the description thereof will be omitted to be marked with identical label for the parts identical with above-mentioned first embodiment.

In the above-described first embodiment, form a hole 67 at lid 57, developing frame 25 arranges a jut 53, jut 53 is become irreversibly deformed and lid 57 is fixed relative to developing frame 25.

On the other hand, in the third embodiment, jut 53 and hole 67 are arranged multiple (two) separately, multiple (two) jut 53 is become irreversibly deformed respectively.

Specifically, as shown in Fig. 9 (b), two such holes 67 and corresponding with them two juts 53 are configured at both sides (filling front side and the rear side of mouth 46) across filling mouth 46, and are fixed respectively.

(action effect)

According to this Delevoping cartridge 19, by making multiple (two) jut 53 become irreversibly deformed, lid 57 and Delevoping cartridge 19 are fixed in multiple (two) position.

Therefore, it is possible to make lid 57 and Delevoping cartridge 19 fix more effectively.

And then, by two holes 67 and corresponding with them two juts 53 in time filling mouth 46 and be configured at both sides, become irreversibly deformed by the jut 53 being positioned at both sides across filling mouth 46, lid 57 and Delevoping cartridge 19 are fixed in the position across the both sides of filling mouth 46.Therefore, it is possible to more efficiently and make lid 57 and developing frame 25 fix effectively.

6. the 4th embodiment

(structure)

Then, with reference to Figure 10 (a), the 4th embodiment of the present invention is described.In addition, in the 4th embodiment, also the description thereof will be omitted to be marked with identical label for the parts identical with above-mentioned first embodiment.

In order to prevent Delevoping cartridge 19 from unexpectedly departing from from drum frame 111, this drum frame 111 possesses Lock Part 88.

Lock Part 88 swingingly can be supported in the leading section of the medial surface of the right side wall 104R of drum frame 111.

Lock Part 88 possesses: cylinder portion 89, and it is the rotation center of Lock Part 88, and is formed along the through hole of left and right directions; Hook portion 90, extends upward from cylinder portion 89, and upper end backward directions are given prominence to; Operating portion 91, forwards extends from hook portion 90; And lifting parts 92, from cylinder portion 89 to the back lower place to extension, its movable end (rearward end) is configured at the downside of the lower surface of developing frame 25.

On the other hand, at the medial surface of the right side wall 104R of drum frame 111, be provided with back shaft 93 outstanding to the left in the position relative in the lateral direction with cylinder portion 89.

By making back shaft 93 be inserted into a portion 89, Lock Part 88 is supported for can swings by right side wall 104R.

In addition, Lock Part 88 is applied in by not shown spring all the time and makes hook portion 90 towards rear and the acting force made on lifting parts 92 direction downward (clockwise direction is looked on right side).

Therefore, the hook portion 90 of Lock Part 88 is sticked in locked portion 52 all the time from upside.

Thus, the disengaging of Delevoping cartridge 19 from drum frame 111 is limited.

Then, when push portion 91, Lock Part 88 overcomes the elastic force of spring, towards making hook portion 90 toward the front and making lifting parts 92 direction upward (right side is looked counterclockwise) swing, hook portion 90 is removed relative to the engaging in locked portion 52, is mentioned by the lower surface of lifting parts 92 by Delevoping cartridge 19.

Thus, the disengaging restriction of Delevoping cartridge 19 is removed.

In addition, in the 4th embodiment, tongue piece portion 60 is formed larger than the tongue piece portion 60 of the first embodiment.

This tongue piece portion 60 is arranged on the right side in locked portion 52.

Therefore, the tongue piece portion 60 of the 4th embodiment is configured to, under the state that Delevoping cartridge 19 is installed on drum frame 111, when the direction projection departed to Delevoping cartridge 19 from drum frame 111, overlapping with the hook portion 90 of Lock Part 88.

(action effect)

According to this Delevoping cartridge 19, when Delevoping cartridge 19 moves from the state being installed on drum frame 111 to off-direction, tongue piece portion 60 abuts with Lock Part 88.Therefore, developing frame 25 can be limited effectively by tongue piece portion 60 to depart from from drum frame 111.

Further, this tongue piece portion 60 is arranged on the right side in locked portion 52.Therefore, even if Delevoping cartridge 19 moves in the lateral direction relative to drum frame 111, hook portion 90 also can be made to be sticked in tongue piece portion 60.Therefore, even if Delevoping cartridge 19 rocks in the lateral direction, also can prevent the restriction departed from from unexpectedly being removed.

7. the 5th embodiment

Then, to Figure 13 (c), the 5th embodiment of the present invention is described with reference to Figure 11 (a).In addition, in the 5th embodiment, also the description thereof will be omitted to be marked with identical label for the parts identical with above-mentioned first embodiment.

In the above-described first embodiment, the main part 59 covering 57 possesses for the locking pawl (the first locking pawl 69A, the second locking pawl 69B, the 3rd locking pawl 69C) by locking for lid 57 developing frame 25.First locking pawl 69A, the second locking pawl 69B, the 3rd locking pawl 69C are formed as identical towards the length that the radial outside of filling mouth 46 is outstanding from the outer peripheral face of perisporium 65.

On the other hand, in the 5th embodiment, as shown in Figure 11 (a) and Figure 11 (b), first locking pawl 69A is formed as, its length outstanding to radial outside from the outer peripheral face of perisporium 65 (by the length shown in L2 among Figure 12 (c)) is identical from the length that the outer peripheral face of perisporium 65 is outstanding to radial outside with the second locking pawl 69B, and the length more outstanding to radial outside from the outer peripheral face of perisporium 65 than the 3rd locking pawl 69C (by the length shown in L1 Figure 12 (b)) is long.

That is, in three locking pawls 69, the outstanding length that the 3rd locking pawl 69C on distance tongue piece portion 60 and the nearest position of jut 53 is arranged in radial direction is configured in shorter than other two locking pawls 69.

In locking pawl 69, become the part that can engage with the inner peripheral surface of filling mouth 46 from the part that the outer peripheral face of perisporium 65 is outstanding to radial outside.Therefore, as shown in Figure 12 (b) and Figure 12 (c), compared with the 3rd locking pawl 69C, the degree of depth that the first locking pawl 69A and the second locking pawl 69B is hooked into the inner peripheral surface of filling mouth 46 is larger.

In addition, filling under the closed state of mouth 46 tegmentum 57, each connecting portion 48 is held by each connecting portion holding tank 95.Specifically, as shown in the dotted line of Figure 13 (b), the first connecting portion 48A is held by the first connecting portion holding tank 95A, and the second connecting portion 48B is held by the second connecting portion holding tank 95B, and the 3rd connecting portion 48C is held by the 3rd connecting portion holding tank 95C.

At this, as shown in Figure 13 (c), between connecting portion 48 and corresponding connecting portion holding tank 95 (medial surface of the two side of bellying 62), be formed with gap.The width in this gap (filling the length in the circumference of mouth 46) is formed as, different from each other from the outer peripheral face of perisporium 65 length (degree of depth of hook) outstanding to radial outside according to adjacent locking pawl 69.

In order to pull down lid 57 from filling mouth 46, need the engaging of the inner peripheral surface removed locking pawl 69 and fill mouth 46.Now, if locking pawl 69 is comparatively dark relative to the hook of the inner peripheral surface of filling mouth 46, then the danger that the distortion quantitative change that there is connecting portion holding tank 95 (bellying 62) can be interfered with connecting portion 48 greatly.Therefore, the groove width of connecting portion holding tank 95 (filling the circumferential lengths of mouth 46) is set to connecting portion holding tank 95 and the non-interference interval of connecting portion 48, each connecting portion 48 is configured at corresponding connecting portion holding tank 95.

Specifically, as shown in Figure 13 (c), in side view, between the 3rd connecting portion 48C and the 3rd connecting portion holding tank 95C, be formed with gap S2 (being positioned at the rear side of the 3rd connecting portion 48C) and gap S3 (being positioned at the front side of the 3rd connecting portion 48C).3rd connecting portion 48C is configured to, and in the groove width of the 3rd connecting portion holding tank 95C, the width (filling the circumferential lengths of mouth 46) of gap S2 is larger than the width of gap S3.That is, the groove width of the 3rd connecting portion holding tank 95C is set as, when the 3rd connecting portion 48C is configured at the 3rd connecting portion holding tank 95C, the width of the width over gap S3 of gap S2 is large.This is because, the outstanding length (L2) of the first locking pawl 69A adjacent with gap S2 is larger than the outstanding length (L1) of the three locking pawl 69C adjacent with gap S3, thus, in the sidewall of the 3rd corresponding with connecting portion holding tank 95C bellying 62C, the deflection of rear wall is larger than the deflection of front side wall.

Similarly, between the second connecting portion 48B and the second connecting portion holding tank 95B, be formed with gap S4 (being positioned at the front upper side of the second connecting portion 48B) and gap S5 (being positioned at the rear side of the second connecting portion 48B).Because the outstanding length (L2) of the second locking pawl 69B adjacent with gap S5 is larger than the outstanding length (L1) of the three locking pawl 69C adjacent with gap S4, therefore the second connecting portion 48B is configured to, in the groove width of the second connecting portion holding tank 95B, the width of the width over gap S4 of gap S5 is large.That is, the groove width of the second connecting portion holding tank 95B is set as, when the second connecting portion 48B is configured at the second connecting portion holding tank 95B, the width of the width over gap S4 of gap S5 is large.

In addition, similarly, between the first connecting portion 48A and the first connecting portion holding tank 95A, be formed with gap S6 (being positioned at the front downside of the first connecting portion 48A) and gap S7 (being positioned at the rear upside of the second connecting portion 48B).Because the outstanding length (L2) of the second locking pawl 69B adjacent with gap S6 is identical with the outstanding length (L2) of the first locking pawl 69A adjacent with gap S7, therefore the first connecting portion 48A is configured to, in the groove width of the first connecting portion holding tank 95A, the width of gap S6 is identical with the width of gap S7.That is, the groove width of the first connecting portion holding tank 95A is set as, when the first connecting portion 48A is configured at the first connecting portion holding tank 95A, the width of gap S6 is identical with the width of gap S7.

Namely, be set as, and to the locking pawl 69 that the outstanding length of radial direction is large adjacent, the width ratio in gap (S2, S5, S6, S7) between connecting portion 48 and connecting portion holding tank 95 and to the locking pawl 69 that the outstanding length of radial direction is little adjacent, the width in gap (S3, S4) between connecting portion 48 and connecting portion holding tank 95 is large.

8. other variation

In addition, in the above-described first embodiment, the portion of being fixed is formed as hole 67, fixed part is formed as jut 53, but also the portion of being fixed can be formed as jut 53, fixed part is formed as hole 67.In addition, also other shapes can be formed as.

In addition, in the above-described first embodiment, only make jut 53 become irreversibly deformed and make it fix, but, hole 67 and jut 53 both sides also can be made to become irreversibly deformed and make it fix, can also only make hole 67 be out of shape and make it fix.

In addition, be provided with multiple jut in this second embodiment, but also can hole 67 and jut 53 arranged multiple separately.

In addition, in the third embodiment, be provided with two juts, correspondingly be configured with two holes 67, but also can arrange more than three.

In addition, in the above-described first embodiment, by melting (heat is fastening), jut 53 is become irreversibly deformed, but the method making it become irreversibly deformed is not limited thereto, also can suitably utilizes the perception method of the public affairs such as deposition affixed to carry out.

Above-mentioned Delevoping cartridge 19 and handle box 15 are embodiments for box of the present invention, and the present invention is not limited to above-mentioned embodiment.

As being provided with the printer of an example of image processing system of box of the present invention except monochrome printers, also color printer can be configured to.

When image processing system is configured to color printer, the tandem type color printer of the direct-type possessing multiple photoreceptor and storage medium transfer member can be configured to or possesses the tandem type color printer of intermediate transfer mode of multiple photoreceptor, middle transfer body, transfer member.

Further, except the divergence type handle box that above-mentioned bulging box 18 is separated with Delevoping cartridge 19, the handle box 15 as an example of box of the present invention also can possess the one-piece type handle box of bulging box 18 and Delevoping cartridge 19 with being integrally constituted.

And then, also photosensitive drums 20 can be set at main body cover 2, and only make Delevoping cartridge 19 load and unload relative to body shell 2.

In addition, also above-mentioned photosensitive drums 20 can be replaced by application examples such as the photoreceptors such as sensitive tape.

In addition, also above-mentioned developer roll 34 can be replaced by application examples such as the developer carriers such as the roller of development sleeve, brush.

In addition, also above-mentioned donor rollers 33 can be replaced by application examples such as the supply parts such as the roller of supply sleeve, supply band, brush.

In addition, also above-mentioned stirrer 29 can be replaced by application examples such as the transfer member such as spiral screw rod or travelling belt.

And, also can replace above-mentioned transfer roll 21 by application examples such as the contactless transfer members etc. such as contact transfer member or such as non-grid net corona-type such as transfer belt, turn printing, transfer printing scraper.

And, also can replace above-mentioned having grid net corona type charged device 22 by application examples such as the contact band such as contactless charged device or the such as charged roller electrical equipment etc. such as non-grid net corona type charged device, the charged device possessing jagged discharge component.

In addition, also above-mentioned scanning element 16 can be replaced by application examples such as the exposure components such as LED unit.

And then the image processing system being provided with box of the present invention also can be installed image reading unit etc. and be configured to compounding machine.

In addition, these first embodiments, the second embodiment, the 3rd embodiment, the 4th embodiment, the 5th embodiment and other variation can suitably combine.

Label declaration

18: drum box;

19: Delevoping cartridge;

20: photosensitive drums;

25: developing frame;

26: toner accommodating chamber;

29: stirrer;

34: developer roll;

45: electrod assembly;

46: fill mouth;

47: support portion;

48: connecting portion;

49: transmission shaft;

51: cylinder portion;

53: jut;

57: lid;

58: closure;

59: main part;

60: tongue piece portion;

67: hole;

68: thinner wall section;

88: Lock Part;

111: drum frame;

X1: line segment.

Claims (16)

1. a box (19), is characterized in that,

Comprise: framework (25), this framework is configured to receiving photographic developer, and is formed with the filling mouth (46) for filling developer; And

Lid (57), this cap seal closes described filling mouth (46), and has the portion that is fixed (67) for being fixed to described framework (25),

Described framework (25) be provided with around described filling mouth (46) cylinder portion (51) protruding outside from mode to described framework (25) and be configured to relative to described filling mouth (46) than described cylinder portion (51) in the outer part and the fixed part (53) fixing with the described portion that is fixed (67)

Become irreversibly deformed by least one party be fixed in portion (67) and described fixed part (53) described in making, described lid (57) is fixed on described framework (25).

2. box according to claim 1 (19), is characterized in that,

Described lid (57) comprising: closure (58), relative with described filling mouth (46);

Main part (59), is arranged at the surrounding of described closure (58) and inserts described cylinder portion (51); And

Tongue piece portion (60), protruding outside from the part of the outer peripheral face of described main part (59) to described main part (59),

Be fixed described in described tongue piece portion (60) has portion (67).

3. box according to claim 2 (19), is characterized in that,

The cut-out be formed between the described portion that is fixed (67) and described main part (59) for be fixed described in making portion (67) and described main part (59) becomes easy thinner wall section (68).

4. box according to claim 1 (19), is characterized in that,

Formed porose the described portion that is fixed (67),

Jut is formed at described fixed part (53),

Described jut (53) inserts described hole (67).

5. box according to claim 1, is characterized in that,

The projecting part (45) adjacent and outstanding with described lid (57) is also possessed at the lateral surface of described framework (25),

Described projecting part (45) is formed as guiding described lid (57) when described lid (57) being installed on described filling mouth (46).

6. box according to claim 1 (19), is characterized in that,

The projecting part (45) adjacent and outstanding with described lid (57) is also possessed at the lateral surface of described framework (25),

Described projecting part (45) is longer from the length that the lateral surface of described framework (25) is outstanding than described lid (57) from the length that the lateral surface of described framework (25) is outstanding.

7. the box (19) according to claim 5 or 6, is characterized in that,

Described projecting part (45) is electrod assembly.

8. box according to claim 1 (19), is characterized in that,

The described portion that is fixed (67) and described fixed part (53) are provided with multipair, and it is corresponding with the history refilling developer to be configured to its paired quantity.

9. box according to claim 1 (19), is characterized in that,

Also possess the transfer member (29) of the inside being arranged at described framework (25),

Described transfer member (29) possesses the transmission shaft (49) being supported in described framework (25) in the mode that can rotate,

The inside of the described filling mouth (46) in described framework (25) is formed and described transmission shaft (49) is supported for the support portion (47) that can rotate and the connecting portion (48) be connected with described support portion (47) by the inner peripheral surface of the described filling mouth (46) in described framework (25)

Described connecting portion (48) is arranged on the nonoverlapping position of line segment with the center and described fixed part (53) that are connected described transmission shaft (49) when projecting from the axis direction of described transmission shaft (49).

10. box according to claim 1 (19), is characterized in that,

The described portion that is fixed (67) and described fixed part (53) are respectively arranged with multipair,

For described lid (57) and described framework (25), each fixed part of multiple described fixed part (53) corresponding with it multiple described in be fixed each portion of being fixed in portion (67) fix.

11. boxes according to claim 10 (19), is characterized in that,

At least two in multiple described fixed part (53) are configured at both sides across described filling mouth (46), and at least two in the portion that is fixed described in multiple (67) configure accordingly with described fixed part (53).

12. boxes according to claim 1 (19), is characterized in that,

Described framework (25) holds the developer carrier (34) being used for bearing developer, and,

Described framework (25) is configured to be contained in framework (111), this framework (111) possesses image carrier (20), this image carrier (20) is for carrying the developer image formed by the developer from described developer carrier (34) feed

Under state before described lid (57) and described framework (25) are fixed, when described framework (25) is housed inside described framework (111), described in be fixed portion (67) and described fixed part (53) be configured to not interfere with described framework (111).

13. boxes according to claim 2 (19), is characterized in that,

Described framework (25) holds the developer carrier (34) being used for bearing developer, and,

Described framework (25) is configured to be installed on framework (111), this framework (111) possesses image carrier (20), this image carrier (20) is for carrying the developer image formed by the developer from described developer carrier (34) feed

Described framework (111) possesses the Lock Part (88) departed from from described framework (111) for being installed on framework (25) described in described framework (111) limit in described framework (25)

It is overlapping with described Lock Part (88) when described tongue piece portion (60) projects to off-direction under being configured to the state being installed on described framework (111) in described framework (25).

14. boxes according to claim 1 (19), is characterized in that,

Described framework (25) holds the developer carrier (34) being used for bearing developer, and,

Described framework (25) is configured to be installed on framework (111), this framework (111) possesses image carrier (20), this image carrier (20) is for carrying the developer image formed by the developer from described developer carrier (34) feed

Under the state that described framework (25) is installed on described framework (111), to described developer carrier axis direction projection time, be fixed described in being configured to portion (67) and described fixed part (53) overlapping with described framework (111).

15. boxes according to claim 1 (19), is characterized in that,

By by fastening at least one party in the described portion that is fixed (67) and described fixed part (53), described lid (57) is fixed in described framework (25).

16. boxes according to claim 1 (19), is characterized in that,

There is not irreversible distortion in the position except the described portion that is fixed (67) and described fixed part (53).