CN1066546C - Process cartridge and image forming apparatus usable therewith - Google Patents

Process cartridge and image forming apparatus usable therewith Download PDF

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Publication number
CN1066546C
CN1066546C CN95108342A CN95108342A CN1066546C CN 1066546 C CN1066546 C CN 1066546C CN 95108342 A CN95108342 A CN 95108342A CN 95108342 A CN95108342 A CN 95108342A CN 1066546 C CN1066546 C CN 1066546C
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CN
China
Prior art keywords
framework
handle box
developer
projection
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN95108342A
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Chinese (zh)
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CN1125855A (en
Inventor
野村义矢
津田忠之
佐佐木新一
池本功
渡边一史
白井启之
唐鎌俊之
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Canon Inc
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Canon Inc
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Filing date
Publication date
Priority claimed from JP3054446A external-priority patent/JP2877540B2/en
Application filed by Canon Inc filed Critical Canon Inc
Publication of CN1125855A publication Critical patent/CN1125855A/en
Application granted granted Critical
Publication of CN1066546C publication Critical patent/CN1066546C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/181—Manufacturing or assembling, recycling, reuse, transportation, packaging or storage
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/1817—Arrangements or disposition of the complete process cartridge or parts thereof having a submodular arrangement
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00987—Remanufacturing, i.e. reusing or recycling parts of the image forming apparatus
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/163—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the developer unit
    • G03G2221/1633—Details concerning the developing process
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1648—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts using seals, e.g. to prevent scattering of toner
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
    • G03G2221/1654—Locks and means for positioning or alignment
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1669—Details about used materials
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/18—Cartridge systems
    • G03G2221/183—Process cartridge
    • G03G2221/1853—Process cartridge having a submodular arrangement
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/18—Cartridge systems
    • G03G2221/183—Process cartridge
    • G03G2221/1853—Process cartridge having a submodular arrangement
    • G03G2221/1876—Process cartridge having a submodular arrangement for production purposes, e.g. manufacture or mass production

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Cleaning In Electrography (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

A process cartridge detachably mountable to a main assembly of an image forming apparatus, the cartridge comprising a photosensitive member, a developing means for developing a latent image formed on the photosensitive member, a first frame containing the developing means; and a second frame coupled with the first frame, the second frame including a developer containing portion for containing a developer to be supplied to the developing means to develop the latent image, wherein the second frame is a selected one of plural secondary frames engageable with the first frame and having different developer containing capacities.

Description

The method of program processing box and photoelectric imaging device and assembly and disassembly recycling box
The invention relates to the method for a kind of program processing box and photoelectric imaging device and assembly and disassembly recycling box.The imaging device that program processing box is housed can be an electronic still camera, and static is recorded machine (as duplicating machine) or laser printer.
Imaging device (as duplicating machine) is after using the long period, need keep in repair and maintain, comprise that changing image generator (photosensitive drums) changes developing apparatus or replenishment developer (toner), the tapping metal net of cleaning feed arrangement, replacing is by the cleaning device that the toner residue fills up, and adjusts or change some parts in addition of relevant photosensitive drums.
Because of maintenance and maintenance action need professional's knowledge and skills, so to common user's not a duck soup.
Under the circumstances, the structure of this program processing box has following purpose, photosensitive drums is housed and as the device of developing apparatus, charging device, cleaning device or suchlike operating means in program processing box.Program processing box as a device is detachable critical piece of installing in the imaging device, in operating means as need maintain the time, can take the whole procedure handle box away, change, can save the running time of required maintenance like this with a new box.
The structure of program processing box as shown in figure 17, it comprises 13, one developing apparatuss 11 that are clipped between the photosensitive drums 10 of 10, one cleaning devices of a photosensitive drums.On developing apparatus 11, there is a toner container 110 to be connected, a charging device 12 is arranged above photosensitive drums 10 with developing apparatus 11.Cleaning device 13 has been to remove from the periphery of photosensitive drums 10 effect of remaining toner, for the next image forming operation of photosensitive drums 10 is prepared.Cleaning device 13 has a cleaner container 13a, be used to collect the residual toner of removing, a cleaning blade 131 is used for scraping off remaining toner from the periphery of photosensitive drums 10, a toner receiving sheet 132, be used for receiving the toner that scraping blade 131 scrapes off and it is sent into container 13a of being cleaned, a stirrer (not shown) is used for the toner that cleaner container 13a receives is transported to its inside.
The electrostatic latent image that acts on to photosensitive drums 10 of developing apparatus 11 provides toner to make image show to come.Developing apparatus 11 has a developer reservoir 11a; A development sleeve 112 is used for providing toner to the periphery of photosensitive drums 10; A development scraping blade 11b, it and development sleeve 112 sliding contacts are filled toner by the effect of frictional static, form the constant toner of a layer thickness on development sleeve 112.Wall away from the developer reservoir 11a of photosensitive drums 11 is furnished with an opening 11c, and a not opening intercommunication of expression of this opening and toner container 110 is so developer reservoir 11a and toner container 110 interconnect.
When the toner in the toner container 110 used up, this program processing box should be changed.The length in serviceable life of program processing box is by the type decided of the imaging device of adapted with it.For example, for high speed copier and the side, very big as duplicating quantity in one month, the chance of therefore changing program processing box is just many.So as seen, capacity that just needs to strengthen toner container serviceable life in order to increase program processing box.On the other hand, for compact copier, it is few to duplicate quantity in one month, in addition, people wish to reduce the weight and volume of the main accessory of imaging device, for this reason, the volume that normally reduces toner container reduces the volume of program processing box, so should be equipped with different program processing boxes for the main accessory of different imaging devices.
EP0330225 discloses a kind of program processing box, comprised one first framework, the developing apparatus of wherein adorning photosensitive part and the latent image that forms on the photosensitive part being developed, with one second framework, container with dress developer, and the device that first framework and second framework is connected into sealed engagement.But first framework with also need being connected of second framework to improve.
The objective of the invention is to solve the problems referred to above that prior art exists, a kind of method that is easy to the linkage editor handle box is provided, and the method for the programming box that is easy to assemble and dismounting and reclaimer handle box.
For realizing above-mentioned purpose of the present invention, the invention provides a kind of method of linkage editor handle box, described handle box removably is contained on the master component of an imaging device as a unit, described method comprises the following steps: to provide first framework of handle box, wherein adorning a photosensitive part, by exposure, on photosensitive part, can form a latent image, also have one to be used for developing apparatus that the latent image that forms is developed on described photosensitive part; One second framework is provided, a developer reservoir is wherein arranged, fill the developer that developing apparatus is used; Releasably first and second frameworks being connected to single unit makes the corresponding sealing surfaces of described first and second frameworks be brought to be in sealed engagement; It is characterized in that: in Connection Step, described two sealing surfaces are taken to along a direction with described Surface Vertical to be bonded with each other, with projection on a framework insert be bonded with each other in the corresponding hole on another framework in case described first and second frameworks be brought to be in sealed engagement after, described first and second frameworks are locked together releasedly.
For realizing above-mentioned purpose of the present invention, the present invention also provides a program processing box, can be used as single unit is releasably attached on the master component of an imaging device, described handle box comprises: first framework of described handle box, wherein adorning a photosensitive part, by exposure, on described photosensitive part, form a latent image, and be used for making the developing apparatus of the latent image development that on photosensitive part, forms; One second framework has developer reservoir, and this container contains the developer that developing apparatus is used; Releasably first framework and second framework being connected to single unit makes the corresponding sealing surfaces of described first and second frameworks be in the device of sealed engagement; It is characterized in that: described coupling arrangement is included in the projection in the described framework one, when sealing surfaces by when the direction with Surface Vertical is brought into mutual sealed engagement, these projections can insert in the corresponding hole in another framework, can engage with another framework with projection, so that described first and second frameworks be brought to be in sealed engagement after, described first and second frameworks releasably are locked together.
For realizing above-mentioned purpose of the present invention, the present invention also provides the photoelectric imaging device that above-mentioned handle box is housed.
For realizing above-mentioned purpose of the present invention, the present invention also provides a kind of method of disassembly procedure handle box, comprise relative opening move projection in case unclamp the locking of described projection and described another framework engage with along and the vertical direction of sealing surfaces separates described framework so that the step that described projection is extracted out from described hole.
For realizing above-mentioned purpose of the present invention, the present invention also provides a kind of method of reclaimer handle box, comprising: the method for (A) implementing the dismounting handle box; (B) refill described developer reservoir; (C) method of realization assembling handle box.
Program processing box of the present invention is easy to dismounting, is easy to and the imaging device assembly and disassembly, and each parts of program processing box can use repeatedly, as long as change wearing parts wherein, therefore also reduces the pollution to environment.
Some other purpose of the present invention, feature, advantage will clearly show by following related embodiment of the present invention and accompanying drawing.
Fig. 1 is the cut-open view of the program processing box of one embodiment of the present of invention,
Fig. 2 A, 2B, 2C be according to Fig. 1 along a-a, b-b, the cut-open view of c-c,
Fig. 3 is the cut-open view of imaging device, and program processing box of the present invention removably is contained on this imaging device,
Fig. 4 is the cut-open view of the program processing box of another embodiment of the present invention,
Fig. 5 is the cut-open view of the program processing box of a further embodiment according to the present invention,
Fig. 6 A is the top stereographic map,
Fig. 6 B is the bottom stereographic map,
Fig. 7 is a kind of legend of disassembly procedure handle box,
Fig. 8 is the cut-open view of the program processing box that is suitable for of a kind of and the present invention,
Fig. 9 is the stereographic map that injects the junction of this handle box framework when liquid synthetic rubber,
Figure 10 is the stereographic map that liquid synthetic rubber injects toner container surface aftertreatment box,
Figure 11 is the cut-open view after liquid synthetic rubber injects,
Figure 12 is the cut-open view of the program processing box of one embodiment of the present of invention,
Figure 13 is the cut-open view that program processing box is divided into the upper and lower,
Figure 14 is the stereographic map when liquid synthetic rubber injects top,
Figure 15 uses schematic view illustrating about the elastomeric injected system of liquid state,
Figure 16 is liquid elastomeric injected system synoptic diagram,
Figure 17 is the cut-open view of traditional program handle box.
Relevant accompanying drawing of the present invention, embodiment will be described below.
Fig. 3 represents one embodiment of the present of invention, it be one can with the imaging device of program processing box adapted.Label 10 is image generators, such as being photosensitive drums, has settled visual generating routine device around photosensitive drums 10, as developing apparatus 11, and charging device 12 or cleaning device 13.Photosensitive drums 10 and these visual generating routine devices constitute parts in the plastic frame 14a of program processing box and 14b, the program processing box 14 of Gou Chenging is to be removably mounted on the master unit 1 of imaging device like this.Like this, maintenance and maintenance become and operate easily.The housing of program processing box will be discussed in more detail below.When program processing box 14 was contained in the master unit, transfer printing electrode 15 was positioned at below the photosensitive drums 10.In the paper supply side of this transfer printing electrode 15, there is one to feed 16, one picking-ups of paper carrier spool 17 and location spool 18.At opposite side, i.e. paper delivery side has a paper guide 19, one visual fuser 20, and goes out paper spool 21 and one and go out paper carrier 22.
About program processing box 14, it is equipped with the burnt optical device of a weak point system 24, is used for the light that the original exposure lamp 23 that reflects master thing 0 sends is focused on.At master unit 1 top, be a carriage 25 that can the A direction moves back and forth the master thing, and 26 is cover plates of master thing.
Photosensitive drums 10 is charged equably by charger, and the light exposure of being transmitted through optical device system 24 from master thing 0, therefore on photosensitive drums 10, form the electrostatic latent image consistent with the master thing, electrostatic latent image is sent on the developing apparatus 11 through the rotation of photosensitive drums, and sub-image is developed out by toner t on developing apparatus becomes toner image.Then, paper P is fed into location spool 18 through paper feed spool 17 from paper feed carriage 16, synchronously sends between photosensitive drums 10 and the transfer printing electrode 15 through location spool 18 quilts and sub-image then.By transfer printing electrode 15, toner image is transferred to from photosensitive drums on the paper P that is transmitted, and the paper that has toner image is sent to fuser 20, here, toner image is fixed to permanent image, and this paper is sent to out on the paper carrier 22 through going out paper spool 21.Photosensitive drums 10 is after finishing image transfer, and clearer 13 will be cleared up the residual toner on the photosensitive drums, carry out next imaging operation for photosensitive drums and prepare.Label 30a and 30b are the assemblers that makes things convenient for installation procedure handle box 14 for the ease of the master unit from imaging device.
Fig. 1,2A, 2B, the program processing box of this embodiment of detailed description among the 2C.In this embodiment, program processing box 14 is made up of framework A (14a) and framework B (14b), and framework A and B can be connected to each other, take apart mutually.
Framework A and B are injection molded by elastoplast.On framework A right side, be one-piece construction as the toner container 110 of developer reservoir.Lining 111 fuses this seal of vessel with it.And the opening 111a of the toner container 110 that is connected with developer 11 is connected seal pad 113 sealings by one, shown in Fig. 2 C.Seal pad one end is crooked and stretch out box A outside, has one handle 114 to be connected with this end.When operator's handle 114, seal pad 113 is removed from opening 111a, and allowing like this provides toner t to development sleeve 112.Below toner container 110, have one be used for connecting box A and B collude pawl 27, will be the opening engagement that has on pawl 27 and the framework B of colluding of one with framework A, just can couple together the framework A and the B that are divided into upper and lower two parts.With the vertical direction of drawing on also be provided with four such pawl 24 and corresponding with it openings 28 of colluding.More particularly, opening 28 with collude pawl 27 and be meshed colluding on the inclined-plane 27a of pawl, fasten with the bottom surface 27b that colludes pawl 27 with an end 28a of opening 28, because it is flexible to collude pawl 27, so all smooth and opening 28 engagements of energy, and from the opening 28 of engagement, take out smoothly colluding pawl 27, so, with being connected of opening 28 be reliable.As shown in the figure, in the left side of framework A be a residual toner container 130 (developer reservoir).The crooked a part of 14a that constitutes container 130 lower surface of the end of framework A 1, lower frame is extended and container 130 lower surface part 14a 1Overlap joint connects by screw 29 at this.Therefore, the bottom surface of container 130 is that a part by framework A and B constitutes.Framework A over against photosensitive drums 10 tops partly is provided with an opening 141, and the light of being convenient to the image exposure passes through.Around the opening part of toner container and cleaner container, have the sealing strip 26a and the 26b that use the foamed polyurethane material to make, in case toner spills from container.
Shown in Fig. 2 A, framework B has covered the program processing box bottom, and wall 102a, 102b extend up to the bottom surface of framework A.The wall 102a of framework B, 102b is used for supporting rotationally the bolster 103a and the 103b of photosensitive drums 10, and be fixed on below the photosensitive drums 10 with screw 106a and 106b, on framework B, have an opening 101, so that toner image transferred to from sensitization sense 10 transmit on the paper P, and can be used for installing one of master unit of the imaging device not drive unit of expression.One charger box 122 is arranged above the sidewall 102a of framework B, and charger box 122 is by gib screw 125 supportings.There have a bolt 128 to be connected supporting with hole on the box B sidewall 102b at charger box 122 other ends to be in aggregates, in charger box 122.Axle 123a and 123b, the turning axle 130 to charging roller 121 when charging roller 121 drives photosensitive drums 10 play supporting role.One end of charger case 122 extends to the outside of box B, and is useful on the battery lead plate to charging roller 121 power supplies.This battery lead plate 126 can be connected with the power supply contact (not shown) of the master unit of imaging device.
About Fig. 1 and 2 B, clearer 13 and developer 12 will be discussed in more detail below.Be used to install the bearing 133a and the 133b of cleaning blade 131 on the framework B, it is contacted with photosensitive drums 10, scrape off the toner of photosensitive drums 10 remained on surface.Screw 135 is contained in scraping blade 131 on bearing 133a and the 133b securely.The vertical end of the opening 101 of contiguous framework B downside is fixed a receiving sheet 132.This sidewall of framework B is crooked to the inside and adjacent with toner container 110, and the effect of bending part is by spring 118a and 118b the support of sleeve rotating shaft 117a and 117b to be play supporting role to development sleeve 112.Development sleeve 112 is equipped with partition 116a and 116b, makes between the surface of development sleeve 112 and the photosensitive drums 10 to keep certain clearance.Spring 118a and 118b apply a thrust by partition 116a and 116b to photosensitive drums 10.At development sleeve 112 other ends one gear 119 is arranged, it and column gear 104 engagements that are contained on the photosensitive drums 10.When photosensitive drums 10 was rotated, gear 119 made development sleeve 112 rotate along direction shown in Figure 1.One cylindricality magnetic roller bearing 115 is housed in development sleeve 112, and it has composite pole.One scraping blade 120 is housed above development sleeve 112, and sidewall 102a and 102b that this scraping blade is contained in framework B go up on the bearing of not representing that protrudes.
Underframe B comprises photosensitive drums 10, cleaning blade 131, receiving sheet 132, feeder 12, development sleeve 112 and the scraping blade 120 that is applied to it.The accurate location of framework B has guaranteed the exact position of various members with respect to photosensitive drums 10, therefore is convenient to the location.
In addition, program processing box 14 among this embodiment can also be taken apart and be divided into upper frame A and underframe B, after using up, toner can collect program processing box 14, removable A, the B two parts of being divided into of collected program processing box, then framework A is cleared up, load onto new seal pad 113, a (not shown) toner container lid on the charging hole is opened, toner is injected from this hole.Then, the lid with toner container covers again.In addition, wearing terrain, the parts that the friction disc of distortion etc. can not re-use are changed again.Then box is assembled.The processing of program processing box 14 is to carry out in factory.
The framework B that includes operating means can link to each other with the framework 14C of another shape shown in Figure 1, and framework 14C has toner volume and the residual toner volume bigger than framework B.Thereby can be easy to make another type have more the long life and can with the program processing box of dissimilar critical pieces assemblings.
Fig. 4 is the program processing box of another embodiment of the present invention, and pipe 138 is used for the residual toner of program processing box 14 is discharged.This pipe links to each other with residual toner bottle (not shown) in the imaging device critical piece.One spiral residual toner forwarder 139 is arranged on the residual toner container 113, be used for transmitting residual toner to drainage conduit 138.Residual toner forwarder 139 1 ends are connected with a driven wheel (not shown), this driven wheel and a column gear 104 engagements.In this example, it is just much of that a toner container 110 is housed on upper box A, and needn't refill the residual toner container.Therefore, the residual toner volume also needn't have been decided on the toner volume.In this example, the connecting pipe between framework A and framework B has promptly constituted the residual toner container.
Another shaped wheel profile of double dot dash line 14C representational framework A, under framework 14C situation, toner container 110 is positioned at the below of framework 14C, one toner conveyer (not shown) is arranged on the toner container 110, framework B extends to two limits of toner container 110, and is meshed with the pawl 27 that colludes of toner container 110 ends of framework A.
In above-mentioned example, program processing box has developing apparatus, but the present invention also is applicable to the program processing box that does not have developing apparatus.At this moment, the present invention can be used for the residual toner container of cleaning device.
Fig. 5,6A, 6B describes another embodiment of the present invention, and Fig. 5 is the sectional side view of the program processing box of present embodiment, and Fig. 6 A is the stereographic map of upper frame, and Fig. 6 B is the stereographic map of underframe.
In preceding described embodiment, upper and lower framework A connects between B and is not only by colluding pawl and opening is interlocked, and also connects with bolt simultaneously.In the present embodiment, framework A, the B connection only is to form by colluding pawl and opening fastening.In the present embodiment each the device label adopted with previous embodiment in have said function each the device corresponding label, for easy, no longer each label is illustrated at this.
Among Fig. 5 along a-a, b-b, the sectional view of c-c such as Fig. 2 A, 2B shown in the 2C, is described them in front.As shown in Figure 3, removable too the turning up the soil of the program processing box of present embodiment is installed on the critical piece of imaging device.
In the present embodiment, framework A and B be by the engagement of colluding 29 of pawl 27b and openings, replaced the bolt 29 among the last embodiment and framework A, B firmly connects.In this embodiment, 4 are colluded the side 14a of place, bottom that pawl 27b is the residual toner container 130 on the left of framework A 1On, corresponding with it be with framework A lower surface 14a 1Also are furnished with 4 openings 29 on the wall of the framework B of overlap joint.Equally, toner container 110 sides, the pawl 27b that colludes of framework A is meshed with opening 29 at the framework B of residual toner container 130 sides, and therefore, framework A and B just link together.Show among the figure that 27C is the skewed surface that colludes pawl 27b, the 29th, the end of engagement of opening 29.In the present embodiment, toner container 110 sides collude pawl 27 and at residual toner container 130 overhead kick pawl 27b, outside all being tilted to.Consequently, the framework A that is made of plastics, the elasticity of B in particular, is the elasticity of colluding pawl 27 and 27b, when they and opening 28 and 29 engagements, has increased strength of joint.
In the present embodiment, program processing box is easy to dismounting, and as mentioned above, upper and lower framework A, B are by colluding pawl 27, and 27b links together.In the time will separating program processing box, it is placed in the stripping assembly 200, pushing ram 201,202 can promote to collude pawl 27 and 27b, so, just is easy to a upper frame A and disassembles from underframe B.
As installing 200, pawl 27 and 27b are colluded in suitable promotion, also can be separated from each other framework A, B, at this moment, preferably promote respectively to collude pawl simultaneously.As seen operative installations is more convenient.
Another example of program processing box will be described below, and in this example, the seal pad that configuration is additional is in case developer spills.
With reference to Fig. 8,9,10,11, be present embodiment to have seal pad the description carried out of program processing box.Fig. 8 is a present embodiment program processing box sectional view.Program processing box 201 comprises image generator and the operating means around it that a structure is a photosensitive drums 202.Operating means comprises 204, one of 203, one developing apparatuss of cleaning device charging devices 205 by box framework 201a supporting, and they have constituted the parts on the critical piece that is removably mounted on imaging device.When photosensitive drums 202 and/or developing apparatus 204 to final period in serviceable life, when cleaning device 203 is filled up by residual toner or when the toner in the developing apparatus 204 uses up, whole procedure handle box 201 can be with a new replacement.So for ease of maintenaince with maintenance.In this example, charging device 205 is that known corona fills the tortoise device, but also can be replaced by disclosed contact type charger in the United States Patent (USP) 4851960.
Cleaning device 203 is the scraping blades 230 that are used for removing from photosensitive drums 202 surfaces residual toner (remaining developer) by, one is used to prevent form to the residual toner container 232 that the toner receiving sheet 231 of external leakage residual toner and are used to hold residual toner.The residual toner container is the seal pad 213 that is connected by with cleaner container 203a, and the framework 201a of scraping blade bearing 230a and handle box constitutes.Seal pad 213 prevents that effectively toner from leaking from connecting portion.
Developing apparatus 204 is to rotate and effectively 240, one of the development sleeves of the toner supply photosensitive drums 202 on its outer layer cylinder are adjusted the adjustment scraping blade 241 of developer thickness on the development sleeve 240 and one to fixed-direction by one to be used to hold toner and to provide the toner container 242 of developer to be formed to development sleeve 240.Toner container 242 is made up of toner container 212 and developer container 204, and the two seal pad 214 with bolt or other analog and their centres is connected to each other, so their detachable cleanings.Seal pad 214 effectively prevents spilling of link place toner.
In the program processing box of said structure, charging device 205 is to photosensitive drums 202 uniform charging, and photosensitive drums is exposed by visual light, and forms electrostatic latent image on photosensitive drums 202.Rotation along with photosensitive drums 202, electrostatic latent image arrives developing apparatus 204 places, at this, the development sleeve 240 of developing apparatus 204 is supplied with toner to latent image, latent image is developed is that toner image, this image are transferred on the paper that sends by a (not shown) paper feed forwarder or similar device.After finishing image transfer, 230 pairs of photosensitive drums 202 of scraping blade are cleared up, and residual toner is removed from photosensitive drums 202, and like this, photosensitive drums 202 is prepared for next image forming operation.The residual toner of being removed by scraping blade 230 by with photosensitive drums 202 contacted receiving sheets 231, be collected in the residual toner container 230 of cleaning device 203.
With reference to Fig. 9,10, now sealing gasket 213 and 214 is described.In this embodiment, sealing gasket is to be made of to the surperficial 212a (Figure 10) of the connection of the toner container 212 of the connection surface 201b (Fig. 9) of box framework 201a the biliquid attitude urine gastral cavity elastomeric material R that orifice 215 injects.Therefore material R is a kind of foamed material, bubbles in about 20 seconds to 10 minutes after injection, and is cured in and connects surperficial 201b and 212a and go up to form and play colloid.
In Fig. 9, material R from a point along arrow 216 and 217 directions extend and get back to a point, form a loop.Sealing gasket 214 as shown in figure 10 begins to inject from the b point, carries out along arrow 218 and 219 directions then, gets back to starting point b at last.As shown in figure 11, be provided with groove 211 in advance on surperficial 201b of connection and 212a, like this, material R flows into groove and also is cured as rubber-like bullet colloid, forms sealing gasket at last.Therefore, sealing gasket is difficult for producing mobile or breaks away from.
By the sealing gasket 213 and 214 that solidifies on framework 201a and toner container device 212, framework 201a links to each other with developer reservoir 204a with detergent container 203a with toner container 212, like this, can prevent suitably that toner from leaking from the junction.After the curing, play (Figure 11) clearance C (Fig. 8) after being connected greater than container of colloid 213 and 214 height (h), like this, when depressing sealing gasket, it highly equates with clearance C, the space is filled up and is sealed.
In this embodiment, material R is from the injection or the distribution of filling orifice, injection rate, and input rate can be controlled fully automatically, so have sealing reliability along connecting the sealing gasket that the surface forms.Therefore, this system is suitable for the planform of complexity as shown in Figure 9.
In describing in front, polyurathamc rubber is as sealing member material R, yet sealing member material is not limited to this, and the plastics of other materials such as soft rubber or similar silica gel or other play colloid (elasticity high polymerization material) all same superior function.
Therefore, will solidify liquid colloid such as polyurathamc rubber or its congener of playing, the seal of formation can be used for sealing the junction of various devices, as the developing apparatus in the program processing box 204, and the toner container of cleaning device 203 and residual toner container.So also be easy to realize sealing in the junction of the container of labyrinth to toner.In addition, owing to easily form closed-loop, can prevent that toner from leaking from the junction of seal.
Figure 12,13 and 14, the program processing box of expression another embodiment of the present invention.As shown in figure 12, program processing box is made up of upper frame A among the figure and underframe B, has adopted as label relevant among Fig. 8 for the element with identical function.
For shown in Figure 13, the program processing box among Figure 12 is that B is formed by connecting through colluding pawl 250 and 251 by framework A up and down.Upper frame A is to form with the Elastic Meshing that underframe B goes up corresponding opening 251 by the pawl 250 that colludes on the upper frame A with being connected of underframe B.Framework A up and down, the interlayer of B is seal 213b and 214b.Toner container 242 is by framework A up and down, and the connection of B constitutes with being used to being connected of scraping blade base 241a of adjustment scraping blade 241 is installed with upper frame A.Connecting portion is equipped with seal 214a, to prevent the leakage of toner.The residual toner container 232 of cleaning device 203 is that B constitutes with being used to being connected of clearer base 230a of cleaning blade 230 is installed with upper frame A by framework A up and down.At connecting portion seal 213a is housed, to prevent the leakage of toner.
Figure 14 represents along the view of the I direction among Figure 13, and among these embodiment, as shown in figure 14, biliquid attitude urethane rubber material R injects being connected on the surface of the upper and lower frame position that is distributed in toner container and residual toner container from filling orifice 215.Because material has foam performance, material in about 30 seconds to 10 minutes, is connecting on surperficial 201b and the 212a foaming and is becoming elastomer after injecting or distributing.Inject route and start from (a), extend, get back to (a) point then, thereby form a closed-loop along arrow 216 and 217 directions.On the surface (connecting surperficial 201b and 212a) that receives material R groove is set in advance, like this, material R is easy to inject groove and is solidified into the bullet colloid.So, seal is difficult for moving and throwing off.Go up the seal 213 and 214 that solidifies by upper frame A framework A is connected with lower frame B, prevent the effect that toner leaks from toner container and residual toner container thereby seal 213 and 214 is played.After the curing, seal 213 and space C after 214 height h (Figure 11) is connected greater than framework 1, C 2, C 3, and C 4(Figure 12), so play colloid and be compressed to and space C 1-C 4The height that equates, thus fill up the space.
Similar in previous embodiment, in the present embodiment, the speed of injection and speed all can be controlled automatically, so form seal along connecting the surface reliably.In addition, inject the position and concentrate on one of them framework, so as long as behind a framework location, this has the advantage that significantly reduces processing step just can to finish injection or distributed operation.
Similar to previous embodiment, material R can be a soft rubber, than plastics or other similar material.
In the present embodiment, liquid elastomer is distributed on and connects on the surface.Figure 15 describes be used to mix biliquid attitude active material (liquid elastomer) and with it through a system that filling orifice 215 injects.
In Figure 15, liquid A and liquid B are contained respectively in container 260 and 261, and they are after precision metering pump 262 and 263 meterings, inject and mix mixing platform 264, for the reaction of biliquid attitude prepares suitable mixing ratio, in mixing mixing platform 264, liquid A and B are evenly mixed by motor.Being cured as flexible bullet colloid from mixing material needs about 30 seconds at least, so among the mixing material of filling orifice 215 ejection of thrower 265 is in reaction.When spraying liquid elastomer, mix mixing platform 264, thrower 265 and comprise the injection head of filling orifice 215, along x, y, the z direction of principal axis moves, so that conform to the profile of container etc.
Volume pump 262 and 263 metering mix and stirring rate, and injector head is along three axial moving, and jet velocity etc. are controlled by the timer that the behaviour of a (not shown) industrial robot makes in the device.So implant operation is full automatic.
The material that uses is as follows: table 1
Example 1 Liquid A Liquid B Frothing percentage (volume) Solidify elastomer
Polyvalent alcohol Isocyanide salt acid esters 2～5 Polyurathamc
Mixing ratio: 10: 2～3
Example 2 The silicones of (-OH) The silicones of (-H) 2～10 The foaming silicones
Mixing ratio 1: 1
Figure 16 represents to utilize the system of single liquid response type liquid, with N 2Gas injects liquid makes its foaming, and liquid is injected from filling orifice 16.
In Figure 16, the main liquid of forming by polyurethane material, elastomer is heated to 70 ℃～100 ℃ by well heater in container 266.To foam stirring machine 268 feed, in foam stirring machine 268, what supply with from container 266 is to be mixed with N by pump 2The liquid of gas is so can bubble.Before liquid elastomer solidified, it was through the filling orifice 215 of thrower 270, sprayed to the element as toner container etc.
Similar to biliquid attitude section bar material situation, adopt a robot (not shown), so controller can be controlled N comprehensively 2The mixing ratio of gas, the supply of material, injector head moves and injection rate etc. along three direction of principal axis.Inject and the distributed operation robotization thereby make.
The preferred extensibility of the bullet colloid among this embodiment is 100～200%, and hardness number (ASKC) is 4-5, and the compression percent reduction is not less than 90%.
Among the embodiment in front, the program processing box that has the residual toner container that is used for cleaning device and be used for the toner container of developing apparatus has been described.The present invention is not limited to this, and the present invention is applicable to the program processing box that has a container at least.
As previously mentioned, according to the embodiment of the invention, the seal that the liquid state bullet colloid that is injected by curing constitutes, each connecting portion that is used for the program processing box developer reservoir, so prevent leaking outside of developer than conventional apparatus is more effective, in addition, the present invention also has and makes its sealing be satisfied with the requirement of various complicated connecting portions.
In addition, but because the injection of liquid towards bullet colloid is controlled automatically, so program processing box is easy to assembling.
Foregoing program processing box can have an image generator and at least one directly or indirectly to act on the operating means of this image generator.Specifically, program processing box can comprise by an electronics and videotapes photosensitive device, a charging device, parts that developing apparatus and/or cleaning device are formed and constituting.The program processing box of Gou Chenging is to be removably mounted on the imaging device like this, as duplicating machine, and laser printer etc.
As previously mentioned, according to each embodiment of the present invention, separated by framework, one of them is for comprising an image generator, and the framework of operating means, another is to comprise a toner container and/or a residual toner container that contains toner particle, they can be fitted together, and also it can be taken apart.
So the present invention has following advantage:
1. by selecting to contain the framework of toner container (developer reservoir), just can produce program processing boxes dissimilar and the different life-spans.
2. can make the framework that includes equally image generator and operating means, this can make production and operation simplify.
3. by collecting discarded program processing box (air-conditioning toner container), taking framework apart, change worn part, the toner container that assembling is loaded with toner again, this program processing box is reusable.
According to the present invention as seen, it provides a kind of the have program processing box that is easy to assembling characteristic and the image device of adapted with it.
The above-mentioned disclosed structure of reference when the present invention is described, but the present invention is not limited to these cited details. The application attempts to comprise as being improved purpose or below correction and the variation in the claim scope.

Claims (18)

1. the method for a linkage editor handle box, described handle box removably is contained on the master component of an imaging device as a unit, and described method comprises the following steps:
First framework (14b) of handle box is provided, is wherein adorning a photosensitive part (10),, on photosensitive part (10), can form a latent image, also have one to be used for go up the developing apparatus (112,120) of the latent image development that forms at described photosensitive part (10) by exposure;
One second framework (14a) is provided, a developer reservoir (11a) is wherein arranged, fill the developer that developing apparatus is used; With
Releasably (14a 14b) is connected to single unit and makes the corresponding sealing surfaces of described first and second frameworks (14a, 14b) be brought to be in sealed engagement first and second frameworks;
It is characterized in that:
In Connection Step, described two sealing surfaces are taken to along a direction with described Surface Vertical to be bonded with each other, insert in the corresponding hole (8) on another framework with projection (27) on a framework and to be bonded with each other so that at the described first and second framework (14a, 14b) be brought to be in sealed engagement after, (14a 14b) locks together releasedly described first and second frameworks.
2. according to the method for claim 1, it is characterized in that described projection (27) is located on described second framework (14a) and inserts at access phase to be located in the hole (8) of described first framework (14b).
3. according to the method for claim 1 or 2, it is characterized in that each projection (27) comprises that the elasticity of the flanged pin head with first surface (27b) colludes (27), with at access phase, described elasticity folder (27) is by inserting in the corresponding hole (8) and crooked, and the surface of flanged pin head is pinned by the marginal portion in corresponding hole.
4. each method in requiring according to aforesaid right, it is characterized in that also being included in the described first and second framework (14a, an elastic sealing element (26a is provided 14b), step 26b), to prevent at described coupling arrangement two framework (14a, when 14b) coupling together described first and second frameworks (14a, 14b) between the leakage of developer.
5. each method in requiring according to aforesaid right, it is characterized in that described developer reservoir (11a) has a hole (111a) and allows developer is fed to described developing apparatus (112,120) releasably seal described hole (111a) with a toner seal (113) before and also being included in described access phase.
6. a program processing box can be used as single unit and is releasably attached on the master component of an imaging device, and described handle box comprises:
First framework (14b) of described handle box is wherein being adorned a photosensitive part (10), by exposing, goes up latent image of formation at described photosensitive part (10), and is used for making the developing apparatus (112,120) of going up the latent image development that forms at photosensitive part (10);
One second framework (14a) has developer reservoir (110), and this container (110) contains the developer that developing apparatus is used; With
Releasably first framework (14b) and second framework (14a) be connected to single unit make described first and second frameworks (14a, corresponding sealing surfaces 14b) is in the device of sealed engagement;
It is characterized in that:
Described coupling arrangement is included in the projection (27) in the described framework one, when sealing surfaces by when the direction with Surface Vertical is brought into mutual sealed engagement, these projections can insert in the corresponding hole (28) in another framework, can engage with another framework with projection, so that at the described first and second framework (14a, 14b) be brought to be in sealed engagement after, (14a 14b) releasably is locked together described first and second frameworks.
7. according to the handle box of claim 6, it is characterized in that described projection (27) is located on described second framework (14a) and described hole (8) are located on described first framework (14b).
8. according to the handle box of claim 6 or 7, it is characterized in that each projection (27) comprises an elasticity jaw (27), it has a flanged head, and this head has a surface (27b), when two frameworks connected, described surface (27b) pinned with the edge (28a) in corresponding hole.
9. according to each handle box among the claim 6-8, it is characterized in that also comprising an elastic sealing element (26a, 26b) be located between described first framework (14b) and second framework (14a), be used at two framework (14a, prevent when 14b) connecting by described coupling arrangement described first and second frameworks (14a, 14b) between the leakage of developer.
10. according to the handle box of claim 9, it is characterized in that (26a, material 26b) is a polyurethane to described elastic sealing element.
11. according to each handle box among the claim 6-11, it is characterized in that described first framework (14b) has the cleaning device (131) of removing the remaining developer on the described photosensitive part (10), have an exposure hole (141) with described second framework (14a), allow the light of image exposure to reach described photosensitive part (10).
12., it is characterized in that also comprising a toner seal (113) according to each handle box among the claim 6-11, be used for sealing the hole (111a) of described developer reservoir, this hole is used for developer is fed to described developing apparatus (112,120).
13., it is characterized in that also comprising the charging device (12) that makes described photosensitive part (10) charging according to each handle box among the claim 6-12.
14., it is characterized in that described charging device (12) comprises a charging roller (121) according to the handle box of claim 13.
15. a photoelectric imaging device is equipped with as each handle box among the claim 6-14.
16. a dismounting is according to the method for each program processing box among the claim 6-14, comprise the mobile projection of relative opening (8) (27) so as to unclamp the locking of described projection (27) and described another framework engage with along and the vertical direction of sealing surfaces separate described framework (14a be 14b) so that the step that described projection (27) is extracted out from described hole (8).
17. the method for a reclaimer handle box comprises:
(A) enforcement is as the method for the dismounting handle box of claim 16;
(B) refill described developer reservoir (11a);
(C) realization is as the method for each assembling handle box among the claim 1-5.
18., it is characterized in that in step (A) and also comprise the step of the wearing parts of changing described handle box (C) according to the method for claim 17.
CN95108342A 1990-11-06 1995-06-14 Process cartridge and image forming apparatus usable therewith Expired - Fee Related CN1066546C (en)

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JP301779/1990 1990-11-06
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JP3054446A JP2877540B2 (en) 1991-03-19 1991-03-19 A process cartridge that can be attached to and detached from an image forming apparatus

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CN94115665A Expired - Fee Related CN1060271C (en) 1990-11-06 1994-09-05 Program processing box and imaging apparatus matching same
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CN94115665A Expired - Fee Related CN1060271C (en) 1990-11-06 1994-09-05 Program processing box and imaging apparatus matching same

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CN1066271C (en) 2001-05-23
DE69132193D1 (en) 2000-06-15
EP0692745B1 (en) 2000-05-10
DE69132410D1 (en) 2000-10-12
KR920010370A (en) 1992-06-26
DE69132193T2 (en) 2000-09-28
EP0692745A2 (en) 1996-01-17
CN1099879A (en) 1995-03-08
DE69126947D1 (en) 1997-08-28
CN1125855A (en) 1996-07-03
HK1011755A1 (en) 1999-07-16
DE69126947T2 (en) 1997-11-20
KR970001198B1 (en) 1997-01-29
HK1011754A1 (en) 1999-07-16
KR970001199B1 (en) 1997-01-29
EP0692746B1 (en) 2000-09-06
EP0692746A2 (en) 1996-01-17
CN1040045C (en) 1998-09-30
SG79187A1 (en) 2001-03-20
EP0485271B1 (en) 1997-07-23
CN1114432A (en) 1996-01-03
EP0692745A3 (en) 1996-11-20
CN1062795A (en) 1992-07-15
CN1060271C (en) 2001-01-03
EP0485271A2 (en) 1992-05-13
EP0692746A3 (en) 1996-11-20
EP0485271A3 (en) 1992-09-09
DE69132410T2 (en) 2001-02-15

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