CN101271293B - Image forming apparatus and developing box - Google Patents
Image forming apparatus and developing box Download PDFInfo
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- CN101271293B CN101271293B CN2007100876985A CN200710087698A CN101271293B CN 101271293 B CN101271293 B CN 101271293B CN 2007100876985 A CN2007100876985 A CN 2007100876985A CN 200710087698 A CN200710087698 A CN 200710087698A CN 101271293 B CN101271293 B CN 101271293B
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Abstract
A basket body (36) of a developing box (24) is provided with an elastically deformable handle (83). The user holds the handle (83) to arrange the developing box (24) at a se-drum unit (23) or demount the developing box (24) from the se-drum unit (23). Under the condition that a processing unit (18) is collocated at an installing position, the handle (83) is deformed elastically, and the handle (83) is collected inside a very small space around the processing unit (18). The handle (83) can not obstruct the installation of the processing unit (18) at a casing (2).
Description
Technical field
The present invention relates to image processing system of laser printer etc. and the Delevoping cartridge that is had thereof.
Background technology
The Jap.P. spy drives the laser printer that discloses in 2003-No. 15378 communiques and has the image carrier box that the image carrier corresponding with each multiple color supported.It is dismantled and assembled that the image carrier box is arranged to relative laser printer.Dismantled and assembled with the relative image carrier box of Delevoping cartridge that each color is corresponding.
Substantially seamlessly dispose 4 Delevoping cartridges in the framework of image carrier box.Operability during therefore, with the installation or removal of the relative image carrier box of Delevoping cartridge is bad.
Summary of the invention
The object of the present invention is to provide a kind of Delevoping cartridge and form device with respect to the dismounting operability excellent images of the image carrier unit that a plurality of image carriers are kept integratedly.
Another object of the present invention is to provide a kind of operability especially with respect to the good Delevoping cartridge of dismounting operability of the image carrier unit that a plurality of image carriers are kept integratedly.
Description of drawings
Fig. 1 is the cut-open view of color laser printer.
Fig. 2 is the right side view of processing unit shown in Figure 1.
Fig. 3 is the stereographic map of Delevoping cartridge shown in Figure 2.
Fig. 4 is the rear view of Delevoping cartridge shown in Figure 3.
Fig. 5 is the left side view of Delevoping cartridge shown in Figure 3.
Fig. 6 is the shell shown in Figure 1 and the right side view of processing unit, and the expression processing unit is configured in the state of extracting the position out.
Fig. 7 is the shell shown in Figure 1 and the right side view of processing unit, and expression is with processing unit state in the installation process on shell.
Fig. 8 is the shell shown in Figure 1 and the right side view of processing unit, and the expression processing unit has been configured in the state on the installation site.
Fig. 9 is the stereographic map of contact separation mechanism.
Figure 10 is near the stereographic map the rearward end of contact separation mechanism shown in Figure 9.
Figure 11 is the right side view of Delevoping cartridge shown in Figure 3 and contact separation mechanism shown in Figure 9, represents that 4 developer rolls press against the state on the photosensitive drums.
Figure 12 is the right side view of Delevoping cartridge shown in Figure 3 and contact separation mechanism shown in Figure 9, represents that 3 developer rolls leave photosensitive drums, and 1 developer roll presses against the state on the photosensitive drums.
Figure 13 is the right side view of Delevoping cartridge shown in Figure 3 and contact separation mechanism shown in Figure 9, represents that 4 developer rolls leave the state of photosensitive drums.
Embodiment
Below, describe with reference to the formation of accompanying drawing color laser printer 1.
As shown in Figure 1, the along continuous straight runs configuration is arranged with a plurality of auxiliary units 25 in the shell 2 of color laser printer 1.In shell 2, have and be used to supply with the sheet feed section 4 of paper 3, on paper 3, form the image forming part 5 that image uses, the row's paper portion 6 that is used to discharge paper 3.
In the following description, as the front side, its opposition side (right side among Fig. 1) is as rear side with the side (left side among Fig. 1) that is provided with protecgulum 7.When color laser printer 1 is seen in the front side as about benchmark.Relevant toner cartridge unit 23 and Delevoping cartridge 24, short of particularly pointing out, exactly under the state that is installed on the shell 2 to all around stipulating up and down.
On the sidewall of shell 2 front sides, be provided with protecgulum 7 to opening or close in the shell 2.Protecgulum 7 can be the center swing with its bottom.Under the state that protecgulum 7 is opened, processing unit 18 can be drawn out to from the installation site in the shell 2 and extract the position out, or return the installation site from this extraction position.
As Fig. 1 and shown in Figure 8, the installation site is meant processing unit 18 residing positions when image forms.As Figure 6 and Figure 7, extract the position out and be meant that processing unit 18 is from position that protecgulum 7 is pulled out.Extracting the position out, the handle 83 of at least 1 Delevoping cartridge 24 does not contact with the lower surface of the back up pad 21 of exposure device 17.
Sheet feed section 4 is arranged on the bottom in the shell 2.Sheet feed section 4 has paper feed pallet 8, separate roller 9 and separating table 10, paper feed roller 11, conveyance path 13.Paper feed pallet 8 is accommodated paper 3.Separate roller 9 and separating table 10 are being arranged under the state that paper feed pallet 8 is installed above the leading section of paper feed pallet 8, toward each other.Paper feed roller 11 is arranged on the rear side of separate roller 9.Paper 3 is by in the conveyance path 13.
On conveyance path 13, be provided with and remove paper powder roller 14, pinch roll 15, a pair of registration rollers 16.Remove paper powder roller 14 and pinch roll 15 and be arranged on the top, front side of separate roller 9 and toward each other.Registration rollers 16 is arranged on the top of removing paper powder roller 14 and pinch roll 15.
Image forming part 5 has exposure device 17, processing unit 18, transfer means 19 and fixing device 20.
Exposure device 17 is configured in the top of shell 2.Exposure device 17 has back up pad 21, accommodates the housing 22 of optical elements such as lasing fluorescence portion and polygonal mirror.
In the exposure device 17, penetrate and laser beam yellow, pinkish red, dark green and that the versicolor view data of black is corresponding from lasing fluorescence portion.Laser beam scans by polygonal mirror, passes the window that forms on the back up pad 21 and is radiated on the surface of each photosensitive drums 31.
Processing unit 18 has as the toner cartridge unit 23 of an example of image carrier unit and 4 Delevoping cartridges 24 corresponding with black, yellow, magenta and dark green each color.Delevoping cartridge 24 contains yellow with Delevoping cartridge 24Y, pinkish red with Delevoping cartridge 24M, dark green with Delevoping cartridge 24C and black Delevoping cartridge 24K.
As shown in Figures 1 and 2, toner cartridge unit 23 has 4 auxiliary units 25, pair of side plates 26, front-axle beam 27, front side handle part 28, the back rest 29 and the inboard handle part 30 corresponding with each color.Between pair of side plates 26, accompany 4 auxiliary units 25.4 auxiliary units 25 contain yellow with auxiliary unit 25Y, pinkish red with auxiliary unit 25M, dark green with auxiliary unit 25C and black auxiliary unit 25K.The side plate 26 of only having represented the right side among Fig. 2.Front-axle beam 27 is arranged between the leading section of pair of side plates 26.Front side handle part 28 is arranged on the front-axle beam 27.The back rest 29 is arranged between the rearward end of pair of side plates 26.Inboard handle part 30 is arranged on the back rest 29.
4 auxiliary units 25 leave the compartment of terrain mutually and dispose side by side on fore-and-aft direction.As shown in Figure 1, yellow with auxiliary unit 25Y, pinkish red with auxiliary unit 25M, dark greenly dispose successively with auxiliary unit 25K the past side direction rear side with auxiliary unit 25C and black.
Each auxiliary unit 25 maintains as the photosensitive drums 31 of an example of image carrier, charged device 32, cleaning brush 33.
As shown in Figure 1, yellow is used on the auxiliary unit 25Y with the dismantled and assembled yellow that is installed in freely of Delevoping cartridge 24Y.Magenta is used on the auxiliary unit 25M with the dismantled and assembled magenta that is installed in freely of Delevoping cartridge 24M.Dark green with Delevoping cartridge 24C dismantled and assembled be installed in freely dark green with on the auxiliary unit 25C.Black is used on the auxiliary unit 25K with the dismantled and assembled black that is installed in freely of Delevoping cartridge 24K.
Each Delevoping cartridge 24 is installed on the auxiliary unit 25 corresponding with this Delevoping cartridge 24 from the top of toner cartridge unit 23.
Each Delevoping cartridge 24 has basket 36, and this basket 36 has opening in the lower end.On basket 36, be provided with stirrer 37, donor rollers 38, as the developer roll 39 and the bed thickness limiting scraper 40 of an example of developer carrier.
Contain toner as developer in basket 36 inside.Yellow basket 36 inside with Delevoping cartridge 24Y contain yellow toner.The pinkish red toner that contains magenta with basket 36 inside of Delevoping cartridge 24M.Dark green basket 36 inside with Delevoping cartridge 24C contain dark green toner.Black contains the toner of black with basket 36 inside of Delevoping cartridge 24K.Toner of all kinds is the polymerization toner of non magnetic a kind of composition of positively charged, and colorant yellow, pinkish red, dark green and black cooperates accordingly with of all kinds.
Toner in 37 pairs of baskets of stirrer 36 stirs.Donor rollers 38 is arranged on the below of stirrer 37.Donor rollers 38 comprises metal supply roll shaft 41 and the sponge roller 42 that is made of the sponge of electric conductivity.Supplying with roll shaft 41 rotations is bearing on the basket 36 freely.Around the sponge roller 42 coating supply roll shafts 41.Developer roll 39 comprises metal development roll shaft 43 and the rubber rollers 44 that is made of conducting rubber.43 rotations of development roll shaft are bearing on the basket 36 freely.Around the rubber rollers 44 coating development roll shafts 43.The base end part of bed thickness limiting scraper 40 is supported on the basket 36, and this bed thickness limiting scraper extends towards the top of developer roll 39.
In each Delevoping cartridge 24, the toner that is housed in the basket 36 is stirred by stirrer 37.Toner is supplied with to donor rollers 38 under the effect of deadweight.The toner that supplies on the donor rollers 38 is supplied with developer roll 39 because of the rotation of donor rollers 38.Supply to toner the rotating between bed thickness limiting scraper 40 and the developer roll 39 on the developer roll 39 because of developer roll 39.Toner becomes certain thickness thin layer, is carried on the surface of developer roll 39.
In the auxiliary unit 25 corresponding with each Delevoping cartridge 24, the surface of photosensitive drums 31 is by charged device 32 and charged equably.On the surface of photosensitive drums 31, form electrostatic latent image from the laser beam irradiation of exposure device 17 on the surface of photosensitive drums 31.
As shown in Figure 1, transfer means 19 in shell 2, be configured in sheet feed section 4 above and processing unit 18 below.Transfer means 19 has driven roller 46, driven voller 47, conveyance belt 48, transfer roll 49 and cleaning mechanism 50.By conveyance belt 48 side direction rear side conveyance in the past, conveyance belt 48 is driven to rotate by driven roller 46 and driven voller 47 and moves via the paper 3 of registration rollers 16 conveyances.Paper 3 is during the 48 surperficial conveyances of conveyance belt, and the toner image of all kinds that is carried on each photosensitive drums 31 is transferred on the paper 3 successively overlappingly.Like this, on paper 3, form coloured image.
At first, yellow is transferred on the paper 3 with the photosensitive drums 31 surperficial yellow toner image that go up carrying of auxiliary unit 25Y.Then, the pinkish red magenta toner doubling of the image of upward carrying with photosensitive drums 31 surfaces of auxiliary unit 25M is transferred to transfer printing has on the position of yellow toner image.Equally, dark green photosensitive drums 31 surfaces with auxiliary unit 25C dark green toner images, the black of going up carrying are gone up overlapping successively being transferred on the paper 3 of black toner image of carrying with photosensitive drums 31 surfaces of auxiliary unit 25K.Like this, on paper 3, be formed with the coloured image of toner image of all kinds overlapping.
Fixing device 20 is configured in the rear side of black with auxiliary unit 25K.Fixing device 20 has warm-up mill 55 and backer roll 56.
Be transferred to coloured image conveyance on the paper 3 to fixing device 20.By during between warm-up mill 55 and the backer roll 56, the coloured image photographic fixing is on paper 3 at paper 3.Paper 3 after the coloured image photographic fixing is carried to row's paper portion 6 by warm-up mill 55 and backer roll 56.
The paper of sending here from fixing device 20 3 is delivered to conveyance path 57 by carrying roller 59 and pinch roll 60, is expelled to discharge tray 58 by exit roller 61.
To shown in Figure 5, the basket 36 of each Delevoping cartridge 24 has pair of sidewalls 71, upper wall 72, antetheca 73 and rear wall 74 as Fig. 3, and these members constitute one.Sidewall 71 is relative at left and right directions.Upper wall 72 is arranged between the last ora terminalis of two sidewalls 71.Antetheca 73 is arranged between the front-end edge of two sidewalls 71.Rear wall 74 is arranged between the end edge of two sidewalls 71.The lower ending opening of basket 36, developer roll 39 exposes from this opening portion.
As shown in Figure 5, the sidewall 71 in the left side is provided with the gear mechanism portion that is covered by gear cap 76.Gear mechanism portion has the gear 77 of connection and gear train.The driving force that input connects gear 77 passes to stirrer 37, donor rollers 38 and developer roll 39 by gear train.
Bottom at the sidewall 71 on right side is provided with the right-hand axis bearing at end 80 that rotatably supports development roll shaft 43.As shown in Figure 4, the right-hand end of development roll shaft 43 is rotatably inserted axis and is held the hole that forms on 80.The left end of development roll shaft 43 is rotatably inserted the sidewall 71 in logical left side.Development roll shaft 43 rotatably is supported on basket 36 like this.Give prominence in the outside to left and right direction from gear cap 76 and bearing 80 respectively the end of development roll shaft 43.Each outshot of development roll shaft 43 is coated by collar member 81.
To shown in Figure 5, separation protrusions 82 roughly cylindraceous is outstanding from the outside to left and right direction, upper end of two sidewalls 71 as Fig. 3.
Be provided with the handle 83 of local at least elastically deformable at the right and left both ends of upper wall 72.Handle 83 utilizes the rubber elastomeric material to form.Handle 83 is outstanding towards the top, sees from the side to be roughly triangle.Handle 83 is not limited to triangle.The shape that handle 83 is also circular, oval except triangle, polygon and they combine.
As shown in Figure 3, handle 83 is arranged on the roughly whole width of fore-and-aft direction of upper wall 72.Handle 83 has fixed part 84, front side portion 85 and the rear lateral portion 86 that constitutes one.Fixed part 84 is fixed on the upper wall 72.Front side portion 85 extends to oblique back side top from the leading section of fixed part 84.Rear lateral portion 86 is extended to top, oblique front side from the rearward end of fixed part 84.The upper end of rear lateral portion 86 is connected with the upper end of front side portion 85.Be formed with in the zone that surrounds by fixed part 84, front side portion 85 and rear lateral portion 86 and see the hole 87 that is general triangular from the side.Hole 87 is that left and right directions connects at the thickness direction of handle 83.
The user is when being installed in Delevoping cartridge 24 on the toner cartridge unit 23, and the user with the hands catches 2 handles 83, be installed on the corresponding auxiliary unit 25 so that developer roll 39 near photosensitive drums 31.The user with Delevoping cartridge 24 from the toner cartridge unit 23 whens dismounting, the user with the hands catches 2 handles 83 to mention toward tops.
Following with reference to Fig. 6, Fig. 7 and Fig. 8 explanation with the racking of developer roll 39 to photosensitive drums 31 pushings.
For processing unit 18 is positioned on the installation site of shell 2, under the state that protecgulum 7 is opened, make processing unit 18 from the front side of shell 2 side shifting backward.
As shown in Figure 6, be configured under the state of extracting the position out when processing unit 18, the handle 83 of each Delevoping cartridge 24 does not contact with the lower surface of the back up pad 21 of exposure device 17.
When make processing unit 18 from this state when the installation site is mobile towards the rear, as shown in Figure 7, the black at rear contacts with the lower surface of back up pad 21 with the handle 83 of Delevoping cartridge 24K.As shown in Figure 8, along with moving of processing unit 18, dark green Delevoping cartridge 24C, pinkish red Delevoping cartridge 24M, the yellow handle 83 with Delevoping cartridge 24Y used used contacts with the lower surface of back up pad 21 similarly.Handle 83 between the upper wall 72 of the lower surface of back up pad 21 and basket 36 in the above-below direction elastic deformation.
When each handle 83 generation elastic deformation, then each handle 83 can produce restoring forces.Each basket 36 is subjected to the application of force of this restoring force towards the below, and developer roll 39 is urged on each self-corresponding photosensitive drums 31.
Below with reference to Fig. 9 to Figure 13 the contact separation mechanism 91 that is used to that developer roll 39 is contacted with photosensitive drums 31 or separate is described.
Each translation cam member 92 forms the fore-and-aft direction elongated shape.As shown in figure 10, translation cam member 92 remains on slidably along on the support 94 of fore-and-aft direction extension.Among Figure 10, only illustrate the support 94 in left side.Each support 94 is fixed on the inside surface of pair of frames 95, and above-mentioned pair of frames 95 left and right directions in shell 2 disposes relatively.In Figure 10, only illustrate the framework 95 in left side.Under processing unit 18 is installed in state on the installation site, each translation cam member 92 from the below with from the two side 71 outstanding separation protrusions 82 (with reference to Fig. 4) relative.
As shown in Figure 9, each translation cam member 92 has cam part 96 on the face relative with separation protrusions 82.It is trapezoidal to see that from the side cam part 96 is roughly.Each translation cam member 92 has 4 cam part 96 accordingly with the separation protrusions 82 of each Delevoping cartridge 24.Cam part 96 comprises the 1st cam part 96A, the 2nd cam part 96B, the 3rd cam part 96C and the 4th cam part 96D successively from the front side.Each cam part 96 has dip plane 97 and smooth parting plane 98.Dip plane 97 side-lower in the past tilts towards the rear side top.97 end edge extends with the upper surface of translation cam member 92 parting plane 98 towards the rear abreast from the dip plane.
The position of the separation protrusions 82 corresponding translation cam members 92 of 4 cam part 96 and each Delevoping cartridge 24 and become Figure 11 to position relation shown in Figure 13.Among Figure 11, all separation protrusions 82 are positioned at the place ahead of each self-corresponding cam part 96.Among Figure 12, only black is positioned at the place ahead of corresponding cam part 96 with the separation protrusions 82 of Delevoping cartridge 24K, and other separation protrusions 82 are positioned on each self-corresponding cam part 96.Among Figure 13, all separation protrusions 82 are positioned on each self-corresponding cam part 96.
The 1st cam part 96A, the 2nd cam part 96B and the 3rd cam part 96C are identical shape, each other uniformly-spaced to separate.Interval between the 3rd cam part 96C and the 4th cam part 96D is bigger than the interval between the 1st cam part 96A, the 2nd cam part 96B and the 3rd cam part 96C.The parting plane 98 of the 4th cam part 96D is compared at fore-and-aft direction shorter with the parting plane 98 of the 1st cam part 96A, the 2nd cam part 96B and the 3rd cam part 96C.
Synchronous moving mechanism 93 passes to driving force the translation cam member 92 on right side along with the straight line of the translation cam member 92 in left side moves from the translation cam member 92 in left side.
As Fig. 9 and shown in Figure 10, synchronous moving mechanism 93 has left side tooth bar 99, left side pinion wheel 100, right side tooth bar 101, right side pinion wheel 102, coupling shaft 103, transmits gear 104, crank gear 105 and conversion member 106.On the upper surface of the rearward end of the translation cam member 92 on the left of left side tooth bar 99 is formed on.Left side pinion wheel 100 and 99 engagements of left side tooth bar.Right side tooth bar 101 is formed on the upper surface of rearward end of translation cam member 92 on right side.Right side pinion wheel 102 and 101 engagements of right side tooth bar.Left side pinion wheel 100 and right side pinion wheel 102 are installed on the coupling shaft 103.Transmit framework 95 supports of gear 104, transmit the driving force of motor by the left side.Crank gear 105 rotates towards a direction (being counterclockwise among Figure 10) under the effect of the revolving force that transmits gear 104.Conversion member 106 is that the straight line of the translation cam member 92 in left side moves with the rotational transform of crank gear 105.
As shown in figure 11, when translation cam member 92 moved to the position at rear, left side pinion wheel 100 and right side pinion wheel 102 were respectively in the leading section engagement of left side tooth bar 99 and right side tooth bar 101.As shown in figure 13, when translation cam member 92 moved to the position of forefront, left side pinion wheel 100 and right side pinion wheel 102 meshed in the rearward end of left side tooth bar 99 and right side tooth bar 101 respectively.
Coupling shaft 103 rotatably is configured between two supports 94.Crank gear 105 rotatably is supported on the framework 95.On the periphery of crank gear 105, be formed with and transmission gear 104 meshed gears 107.Be formed with the back side-prominent axle 108 outstanding on the crank gear 105 towards the right side.
Be formed with the preceding side-prominent axle 109 outstanding towards the right side in the last end of the translation cam member 92 in left side.As Figure 11 and shown in Figure 13, when translation cam member 92 is in the position of the position at rear and forefront, preceding side-prominent axle 109 be with the parallel state of the side-prominent axle in back 108 under relative with side-prominent 108 of back at fore-and-aft direction.
As shown in figure 11, move at translation cam member 92 under the locational state at rear, the separation protrusions 82 of all Delevoping cartridges 24 all is positioned at the place ahead of each self-corresponding cam part 96.Developer roll 39 is urged on the photosensitive drums 31 of correspondence under elasticity (restoring force) effect of handle 83.
From this state, transmit gear 104 and under the effect of the driving force of motor, rotate, towards being rotated counterclockwise, then the side-prominent axle 108 in back forwards moves crank gear 105 in Figure 11.The translation cam member 92 in left side is moving of pleurapophysis shaft 108 and moving towards the place ahead subsequently.Along with moving of the translation cam member 92 in left side, left side pinion wheel 100 turns clockwise in Figure 11.The rotation of left side pinion wheel 100 passes to right side pinion wheel 102 by coupling shaft 103.Right side pinion wheel 102 and left side pinion wheel 100 be along the equidirectional rotation, so the translation cam member 92 on right side moves towards the place ahead.
As shown in figure 12, when crank gear 105 rotates about 90 when spending from state shown in Figure 11, yellow Delevoping cartridge 24Y, the pinkish red Delevoping cartridge 24M of using and the dark green separation protrusions 82 of Delevoping cartridge 24C of using used moves on the dip plane 97 of each self-corresponding cam part 96, is configured on the parting plane 98.Only black is positioned at the place ahead of corresponding cam part 96 with the separation protrusions 82 of Delevoping cartridge 24K.Thus, yellow with Delevoping cartridge 24Y, magenta with Delevoping cartridge 24M and dark greenly mentioned upward with Delevoping cartridge 24C, the developer roll 39 that they had leaves photosensitive drums 31.Only black contacts with photosensitive drums 31 with the developer roll 39 of Delevoping cartridge 24K.
As shown in figure 13, if crank gear 105 is spent towards being rotated counterclockwise about 180 from state shown in Figure 11, then translation cam member 92 moves to the position of forefront, and black is configured on the parting plane 98 of cam part 96 with the separation protrusions 82 of Delevoping cartridge 24K.Thus, the separation protrusions 82 of all Delevoping cartridges 24 is configured on the parting plane 98 of corresponding cam part 96, and Delevoping cartridge 24 is mentioned upward.Like this, each developer roll 39 leaves corresponding photosensitive drums 31.
After this, if motor further drives, along being rotated counterclockwise, then the side-prominent axle 108 in back moves crank gear 105 towards the rear, so pair of straight moving cam member 92 moves linkedly towards the rear in Figure 13.If crank gear 105 rotates about 180 degree from state shown in Figure 13, just return state shown in Figure 11, become each developer roll 39 and be urged state on the photosensitive drums 31 of correspondence.
As mentioned above, the handle 83 that on basket 36, has elastically deformable.The user can catch handle 83 that Delevoping cartridge 24 is installed on the toner cartridge unit 23 or with Delevoping cartridge 24 23 dismountings from the toner cartridge unit.Be configured in handle 83 elastic deformations under the state on the installation site at processing unit 18, handle 83 is housed in the very little space around the processing unit 18.Handle 83 can not hinder installation when processing unit 18 was installed on shell 2.
When processing unit 18 from extracting the position out when move the installation site, handle 83 carries out elastic deformation between upper wall 72 and back up pad 21.Elasticity (restoring force) by handle 83 presses against developer roll 39 on the photosensitive drums 31.Therefore, do not need to be provided in addition developer roll 39 is pressed against dipper crowding gear on the photosensitive drums 31, but the part number and the cost of cutting device.
When Delevoping cartridge 24 was replaced by new Delevoping cartridge 24, handle 83 also can upgrade.The elasticity of handle 83 is suitable, the sustainable good pushing state of 39 pairs of photosensitive drums of developer roll 31 of keeping.Therefore, can reasonably keep, continue to form high-quality image from the toner supply amount of developer roll 39 to photosensitive drums 31.
When changes such as the specification of toner and the specification of developer roll 39, can utilize to have the flexible material formation handle 83 corresponding with this specification.Its result, toner is reasonably supplied with photosensitive drums 31 from developer roll 39.But the electrostatic latent image that forms on photosensitive drums 31 can be formed high-quality image by videoization well.
Both ends at the left and right directions of basket 36 are provided with handle 83.The user catches 2 handles 83 with stable posture carrying Delevoping cartridge 24.The both ends that are provided with 2 handles 83 be developer roll 39 axially on both ends.Processing unit 18 is configured under the state on the installation site, by the elasticity of 2 handles 83, by basket 36 developer roll 39 is pressed against on the photosensitive drums 31.Therefore, can make from the quantity delivered of the toner of developer roll 39 photosensitive drums 31 axially on evenly.Its result, but can be with electrostatic latent image videoization more well.
On back up pad 21, be formed with the window that laser beam is seen through.The width of this window is littler than the axial width of rubber rollers 44, and is littler than the width of basket 36.Therefore, processing unit 18 can prevent that extracting out between position and the installation site when mobile handle 83 from passing through in the scope of window.Its result can prevent the window of making dirty, forms figure picture element preferable image.
Claims (14)
1. an image processing system is characterized in that, comprising:
Shell (2);
Image carrier unit (23), it is arranged to and can moves along the 1st direction between the 1st position and the 2nd position relative to described shell, and maintains a plurality of image carriers (31);
A plurality of Delevoping cartridges (24), it is arranged to, and this image carrier unit is dismantled and assembled relatively;
And exposure device (17), it is configured in the described shell, is used for described a plurality of image carriers are exposed,
Each Delevoping cartridge comprises:
Developer carrier (39), it is with the described image carrier of developer replenishing;
Basket (36), it accommodates described developer, has the support portion (76,80) of supporting described developer carrier in side's side;
Handle (83), it is made of resilient material, be arranged on the opposition side of the described side's side on this basket, when described image carrier unit is in described the 1st position, contact, make the described developer carrier corresponding be urged on corresponding described image carrier by the elastic deformation of this handle with this handle with described exposure device.
2. image processing system as claimed in claim 1 is characterized in that, when described image carrier unit was in described the 2nd position, the handle of at least 1 Delevoping cartridge did not contact with described exposure device.
3. image processing system as claimed in claim 1 or 2 is characterized in that, extend with the 2nd direction of the direction quadrature of described the 1st direction on described developer carrier edge, and described handle is arranged on each end of the 2nd direction.
4. image processing system as claimed in claim 1 is characterized in that, described handle is the shape with hole (87).
5. image processing system as claimed in claim 4 is characterized in that, described handle extends along described the 1st direction, and described hole is towards described the 2nd direction.
6. as claim 4 or 5 described image processing systems, it is characterized in that at least a portion deformable of described handle.
7. as claim 4 or 5 described image processing systems, it is characterized in that 2 ends of described handle form the hole by being installed on the described basket.
8. Delevoping cartridge, it is installed on the image processing system, it is characterized in that, comprising:
Developer carrier (39), it is with the image carrier of the described image processing system of developer replenishing;
Basket (36), it accommodates described developer, has the support portion (76,80) of supporting described developer carrier in side's side;
Handle (83), it is made of resilient material, be arranged on the opposition side of the described side's side on this basket, elastic deformation takes place when described Delevoping cartridge is installed on the described image processing system, makes the described developer carrier corresponding with this handle be urged on corresponding described image carrier by the elastic deformation of this handle.
9. Delevoping cartridge as claimed in claim 8, it is characterized in that, the relative image carrier of described Delevoping cartridge unit is dismantled and assembled, this image carrier unit is arranged to and can be moved along the 1st direction between the 1st position and the 2nd position relative to described image processing system, when the image carrier unit is in described the 1st position, described handle with described developer carrier towards the described image carrier application of force.
10. Delevoping cartridge as claimed in claim 8 is characterized in that, described handle is the shape with hole (87).
11. Delevoping cartridge as claimed in claim 10 is characterized in that, described handle extends along described the 1st direction, described hole towards with the 2nd direction of described the 1st direction quadrature.
12. Delevoping cartridge as claimed in claim 11 is characterized in that, described developer carrier extends along described the 2nd direction, and described handle is arranged on each end of described the 2nd direction.
13., it is characterized in that at least a portion deformable of described handle as each described Delevoping cartridge in the claim 8 to 12.
14., it is characterized in that 2 ends of described handle form the hole by being installed on the described basket as claim 10 or 11 described Delevoping cartridges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100876985A CN101271293B (en) | 2007-03-19 | 2007-03-19 | Image forming apparatus and developing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100876985A CN101271293B (en) | 2007-03-19 | 2007-03-19 | Image forming apparatus and developing box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101271293A CN101271293A (en) | 2008-09-24 |
| CN101271293B true CN101271293B (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100876985A Active CN101271293B (en) | 2007-03-19 | 2007-03-19 | Image forming apparatus and developing box |
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| CN (1) | CN101271293B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5565011B2 (en) * | 2010-03-16 | 2014-08-06 | 富士ゼロックス株式会社 | Image forming apparatus |
| JP2011237685A (en) * | 2010-05-12 | 2011-11-24 | Brother Ind Ltd | Image forming apparatus |
| CN102841521B (en) * | 2012-09-21 | 2014-02-19 | 珠海天威飞马打印耗材有限公司 | Toner cartridge |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5749027A (en) * | 1995-04-28 | 1998-05-05 | Canon Kabushiki Kaisha | Process cartridge, process cartridge assembly method, and image forming apparatus |
| JP2003015378A (en) * | 2001-07-05 | 2003-01-17 | Seiko Epson Corp | Color image forming device |
| US6647227B2 (en) * | 2001-09-27 | 2003-11-11 | Brother Kogyo Kabushiki Kaisha | Intermediate transfer type image forming apparatus and method thereof |
-
2007
- 2007-03-19 CN CN2007100876985A patent/CN101271293B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5749027A (en) * | 1995-04-28 | 1998-05-05 | Canon Kabushiki Kaisha | Process cartridge, process cartridge assembly method, and image forming apparatus |
| JP2003015378A (en) * | 2001-07-05 | 2003-01-17 | Seiko Epson Corp | Color image forming device |
| US6647227B2 (en) * | 2001-09-27 | 2003-11-11 | Brother Kogyo Kabushiki Kaisha | Intermediate transfer type image forming apparatus and method thereof |
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| CN101271293A (en) | 2008-09-24 |
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