CN101165602A - Image forming apparatus having pick-up roller cover - Google Patents
Image forming apparatus having pick-up roller cover Download PDFInfo
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- CN101165602A CN101165602A CNA2007101702001A CN200710170200A CN101165602A CN 101165602 A CN101165602 A CN 101165602A CN A2007101702001 A CNA2007101702001 A CN A2007101702001A CN 200710170200 A CN200710170200 A CN 200710170200A CN 101165602 A CN101165602 A CN 101165602A
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- roller cover
- imaging device
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- 238000003384 imaging method Methods 0.000 claims description 48
- 230000007423 decrease Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000004308 accommodation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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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
-
- 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
-
- 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
- G03G21/1604—Arrangement or disposition of the entire apparatus
-
- 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
- G03G21/1604—Arrangement or disposition of the entire apparatus
- G03G21/1623—Means to access the interior of the apparatus
- G03G21/1633—Means to access the interior of the apparatus using doors or covers
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- 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
- G03G21/1828—Prevention of damage or soiling, e.g. mechanical abrasion
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
An image forming apparatus includes an image forming unit to form an image on a printable medium; a casing to accommodate the image forming unit; a feeding cassette coupled to the casing and arranged so as to move between a feeding position where the feeding cassette is separated from the casing and used to store the printable medium and a waiting position where the feeding cassette is folded up against the casing; a pick-up roller to feed the printable medium from the feeding cassette to the image forming unit when the feeding cassette is in the feeding position; and a pick-up roller cover coupled to the casing so that the pick-up roller cover can rotate between an open position exposing the sub feeding roller and a closed position covering the pick-up roller.
Description
Technical field
The present invention relates to a kind of imaging device, and more specifically, relate to a kind of imaging device with pick-up roller cover.
Background technology
Imaging device such as laser printer, duplicating machine, facsimile recorder and multifunctional product, is typically connected to host apparatus, and storing image data in host apparatus is with output signal on print media the print image data of basis from main frame.Imaging device comprise the storage print medium feed unit, forming the image-generating unit of image from the print media of feed unit feeding and discharging the deliverying unit of the print media that has formed image.How to form image according to imaging device on print media, imaging device can be divided into inkjet type, electrofax type and thermographic transfer type.
Usually, feed cassette also is to be removably disposed on the housing with the storage print medium; And pick-up roller is set is fed to image-generating unit with the print media that will be stored in the feed cassette.In addition, feed cassette can be installed on the housing to store additional print media.
But because the surface of traditional pick-up roller is exposed to the outside, the surface of traditional pick-up roller is often polluted from the dust of outside or from the paper powder of enclosure interior, even when not having print media to be fed into imaging device.If pick-up roller is surperficial contaminated, the print media that is stored in the feed cassette can not or can not be supplied reposefully with suitable friction force supply.
Summary of the invention
The invention provides imaging device, it comprises can protect pick-up roller to prevent by the pick-up roller cover of outer surface pollution.
According to one aspect of the present invention, imaging device is provided and comprises: image-generating unit, and it forms image on print media; Feed cassette is arranged to and can be moved between supply position and holding fix, is supplying with the position, feed cassette storage print medium stacking, and at holding fix, feed cassette is turned up; Pick-up roller supplies to image-generating unit with individual print media from feed cassette when feed cassette is in the supply position; And pick-up roller cover, be arranged in the open position that exposes secondary donor rollers and cover between the off-position of this pick-up roller and rotate.
According to another aspect of the present invention, when moving to from holding fix, feed cassette supplies with in the position, and pick-up roller cover moves to open position from off-position.
According to another aspect of the present invention, imaging device also comprises the push projection that is arranged on feed cassette one side; With the lid rotating switch that is arranged on housing one side and links with push projection, thereby pushing and discharge along with push projection, give prominence to and withdrawal, thereby the guiding pick-up roller cover rotates between open position and off-position when feed cassette turns to the supply position from holding fix.
According to another aspect of the present invention, pick-up roller cover also comprises and covers main body and will cover the lid hinge unit that main body is connected with respect to housing rotationally.
According to another aspect of the present invention, pick-up roller cover also comprises the guide rod that separates with the lid hinge unit; And the lid rotating switch comprises guiding groove, in order to the guiding guide rod, thereby depends on the outstanding and withdrawal of covering rotating switch, and secondary pick-up roller cover can move to open position from off-position.
According to the present invention on the other hand, the lid hinge unit comprises flexible member providing elastic force to guide rod, thus when the lid rotating switch when push projection discharges, the lid rotating switch of withdrawal can be given prominence to respect to housing.
According to another aspect of the present invention, imaging device also comprises the push projection that is arranged on feed cassette one side, when feed cassette turns to when supplying with the position from holding fix, makes pick-up roller cover turn to open position from off-position thereby push pick-up roller cover.
According to another aspect of the present invention, imaging device also comprises to be supported secondary pick-up roller cover rotationally and is arranged on hinge unit between secondary pick-up roller cover and the housing.
According to another aspect of the present invention, imaging device also comprises and being arranged on the hinge unit in order to the flexible member of elastic force to be provided, thereby pick-up roller cover can turn to off-position.
According to another aspect of the present invention, pick-up roller cover comprises first dip plane, and its bottom at pick-up roller cover tilts at a predetermined angle, thereby and pick-up roller be connected with housing between the open position of the off-position of pick-up roller and pick-up roller and move up and down; And feed cassette comprises rising and the decline connecting rod with second dip plane, and wherein second dip plane is corresponding with first dip plane, and along with the rotation of feed cassette, connecting rod rotates with respect to feed cassette, and promotes pick-up roller cover, thereby pick-up roller cover can move up and down.
According to another aspect of the present invention, housing is included in the accomodating unit that open position holds pick-up roller cover; And accomodating unit comprises rising and decline guide rail, comes the sliding guidance pick-up roller cover by rising and decline connecting rod.
According to another aspect of the present invention, imaging device is provided it and comprises housing, forms the image-generating unit of image on print media in enclosure interior; The feed cassette pick-up roller is to supply with print media from feed cassette to image-generating unit; And pick-up roller cover, it is connected to housing and is used between open position and off-position moving, and wherein at open position, allows secondary pick-up roller to supply with print media from feed cassette to image-generating unit thereby pick-up roller is exposed to the outside, in off-position, thereby cover the pollution that pick-up roller prevents pick-up roller.
Other aspect and/or advantage of the present invention, a part can obtain from the following description, and a part will be conspicuous from describe, or can from working of an invention, learn.
Description of drawings
From the description of following embodiment, combine with accompanying drawing, these and/or others and advantage of the present invention become obviously and are more readily understood, in the accompanying drawings:
Fig. 1 illustrates the synoptic diagram according to the imaging device structure of one exemplary embodiment of the present invention;
Fig. 2 illustrates the skeleton view according to the secondary feed unit structure of one exemplary embodiment of the present invention;
Fig. 3 A illustrates the details drawing of feed unit structure shown in Figure 2;
Fig. 3 B amplification illustrates when the lid main body is closed, the rear view of pick-up roller cover rear structure shown in Figure 2;
Fig. 4 A illustrates the skeleton view according to the structure of the supplying position of the feed cassette of one exemplary embodiment of the present invention;
Fig. 4 B amplifies the skeleton view of the structure that feed cassette shown in Fig. 4 A and lid rotating switch are shown;
Fig. 4 C illustrates the rear view of the rear structure of the supply lid among Fig. 4 A;
Fig. 5 A and 5B illustrate according to one exemplary embodiment of the present invention, are in holding fix respectively and supply with the pick-up roller cover of position and the skeleton view of lid rotating switch structure;
Fig. 6 illustrates the skeleton view according to the structure of the lid dwang of the pick-up roller cover of one exemplary embodiment of the present invention;
Fig. 7 A and 7B illustrate the synoptic diagram according to the structure of the secondary feed unit of another one exemplary embodiment of the present invention; With
Fig. 8 A and 8B illustrate still the synoptic diagram according to the structure of the secondary feed unit of another one exemplary embodiment of the present invention.
Fig. 9 is the synoptic diagram of expression according to the structure of the imaging device of another one exemplary embodiment of the present invention.
Embodiment
Describe existing embodiment of the present invention now in detail, accompanying drawing illustrates its example, and wherein, identical reference number is represented components identical all the time.The embodiment that describes below is for by explaining the present invention with reference to the accompanying drawings.
As shown in Figure 1, imaging device 1 comprises feed unit 100, fixation unit 300, deliverying unit 400 and housing 500, wherein, feed unit is used for forming image at the print media of supplying with from feed unit 100 to image-generating unit 200 supply print media, fixation unit is the image on the print media P fixedly, wherein form image in image-generating unit 200 on the print media, the print media P that deliverying unit is used for forming image is discharged to the outside, and housing holds these assemblies.According to the imaging device of others of the present invention, can comprise these and/or other assembly.Such as imaging device 1 can be printer, facsimile recorder, duplicating machine or multifunctional product.Similarly, print media P can be any medium that can form image thereon, such as paper, cardboard or film.
Feedway 100 comprises the secondary feed cassette parts 110 that are installed in separably on the housing 500, be connected on the housing 500 delivery roll 190 that is delivered to image-generating unit 200 with storage print medium and the feed unit 140 that is set to rotate and the print media that is used for picking up by feed cassette parts 140.
Fig. 2 illustrates structure according to the feed cassette unit 140 of one exemplary embodiment of the present invention to 5B.Shown in Fig. 2 and 3A, feed cassette unit 140 comprises feed cassette 150, secondary pick-up roller 160, secondary pick-up roller cover 170 and lid rotating switch 180.Secondary feed cassette 150 is connected to housing 500 and is arranged to and can and supply with between the position and rotate at holding fix, at holding fix, as shown in Figure 2, feed cassette 150 is turned up and is come on the housing 500, supplying with the position, shown in Fig. 4 A, feed cassette 150 is opened so that print media P is fed to pick-up roller 160 from housing 500.Pick-up roller 160, as shown in Figure 1, when feed cassette 150 is when being in the supply position, from feed cassette 150 print media P to be picked up image-generating unit 200.Along with the rotation of feed cassette 150 between holding fix and supply position, pick-up roller cover 170 rotates, and be connected to housing 500, thereby between open position and off-position, rotate, open position is exposed to the outside with pick-up roller 160 shown in Fig. 4 A, off-position covers pick-up roller 160 as shown in Figure 2.Lid rotating switch 180 is arranged on a side of pick-up roller cover 170, and the rotation of feed cassette 150 is converted to the rotation of pick-up roller cover 170, thereby opens and closes pick-up roller cover 170.
Shown in Fig. 2 and 4A, feed cassette 150 comprises feed cassette main body 151, feed cassette hinge unit 158, push projection 155 and angular setting connecting rod 152.Feed cassette main body 151 is pivotally connected to housing 500.Feed cassette hinge unit 158 is connected to housing 500 with feed cassette main body 151 rotationally.Push projection 155 shown in Fig. 4 B, is arranged on a side of feed cassette main body 151, pressing cover rotating switch 180 when feed cassette main body 151 is rotated.Angular setting connecting rod 152 is arranged on a side of feed cassette main body 151, to adjust the rotational angle of feed cassette main body 151.
Feed cassette main body 151 is provided as flat-panel component, and it has the predetermined area of predetermined area with a side of covering shell 500.Thereby can having a plurality of flat-panel components that link together, feed cassette main body 151 can extend storage area according to the size of the print media P that stores.One induction element (not shown) can be arranged in the feed cassette main body 151, with the width guiding print media P according to print media P.
The connection device (not shown) can be arranged on a side of feed cassette main body 151, when feed cassette 150 is in holding fix, regularly feed cassette 150 is connected to housing 500.Usually, hook can be used as connection device.Hook can be connected to the hook accomodating unit (not shown) that is arranged on the housing 500 so that feed cassette is remained on holding fix.Others of the present invention can have dissimilar connection devices, such as adhesive surface.
Shown in Fig. 4 B, when feed cassette main body 151 was in the supply position, push projection 155 was arranged on and covers rotating switch 180 corresponding positions.Push projection 155 is outstanding to pick-up roller cover 170 from the plane of feed cassette main body 151.In order to reduce the interference when feed cassette main body 151 is rotated, the length of push projection 155 can be to make to cover the shortest length that rotating switch 180 can make pick-up roller cover 170 rotate.Push projection 155 can be provided as and can separate from feed cassette main body 151, and can be connected to feed cassette main body 151 by guiding method of attachment or other method of attachment.Push projection also can be integrally formed in the feed cassette main body 151.
Shown in Fig. 4 A, angular setting connecting rod 152 comprises connecting rod guiding device 152b and connecting rod 152a.Connecting rod guiding device 152b is arranged on the opposite face of feed cassette main body 151.Connecting rod 152a moves along connecting rod guiding device 152b.When feed cassette main body 151 is in holding fix, connecting rod 152a be positioned at connecting rod guiding device 152b than top.Connecting rod 152a moves along connecting rod guiding device 152b, and feed cassette main body 151 turns to from holding fix and supplies with the position simultaneously, and vice versa.When feed cassette main body 151 was in the supply position, connecting rod 152a was arranged on the minimum end of connecting rod guiding device 152b.Feed cassette 151 can be adjusted according to the length of connecting rod guiding device 152b at the rotational angle of supplying with the position.
Pick-up roller 160 contacts with print media P in being stored in feed cassette 150 and from feed cassette print media P is picked up and supplies to image-generating unit 200.Pick-up roller 160 rotations contact with print media P and utilize friction force to pick up print media P.
Shown in Fig. 3 A-3B, pick-up roller cover 170 is pivotally connected to the opening portion 510 of housing 500, transmits print media P by this opening.Pick- up roller cover 170 and 180 interlocks of lid rotating switch, and when lid rotating switch 180 projections or withdrawal, respectively with respect to outer exposed or covering pick-up roller 160.Pick-up roller cover 170 comprise cover main body 171, the lid dwang 173, guide rod 177 and flexible member 175.Thereby lid dwang inner top cover main body 171 allows to cover main body 171 and rotates with respect to housing 500.Guide rod 177 is connected to the outstanding and retraction movement of covering rotating switch 180 and will covering rotating switch 180 and is converted to the rotation of pick-up roller cover 170 between open position and off-position.Flexible member 175 is arranged on to cover in the dwang 173 and can make and covers main body 171 and turn to off-position from open position.
The size of lid main body 171 is corresponding to the size that is formed on the opening portion 510 on the housing 500, shown in Fig. 4 B.Lid main body 171 can have a thickness, makes and can easily rotate between open position and off-position, simultaneously with the outstanding of lid rotating switch 180 and withdrawal interlock.Lid dwang 173 is arranged on the opposition side of the upper zone of covering main body 171.An end 173a as shown in Figure 6, is contained in the dwang linkage unit 540 of housing 500 rotationally.The opposite ends (not shown) is connected with lid rotating switch 180.As shown in Figure 6, flexible member 175 is arranged on an end 173a who covers dwang 173, and with the elastic force of supply along direction A, thereby lid main body 171 can turn to off-position from open position.Flexible member 175 can be provided as torsion spring, so that the elastic force of the direction that holds it in off-position to be provided to lid main body 171.But miscellaneous equipment can provide elastic force as flexible member 175.
By the switch accommodation hole (not shown) of housing 500, switch main body 181 is given prominence to and withdrawal with respect to housing 500, and pick-up roller cover 170 is rotated between open position and off-position.Switch main body 181 is outstanding with respect to housing 500 when feed cassette 150 is in holding fix, and when feed cassette 150 was in the supply position, switch main body 181 was withdrawn with respect to housing 500 by the pushing of push projection 155.
With reference to figure 1, delivery roll 190 will be delivered to image-generating unit 200 from any one print media that picks up main feed unit 110 or the secondary feed unit 140.A plurality of delivery rolls 190 can provide according to length and the shape from main feed unit 110 (or secondary feed unit 140) to the bang path of image-generating unit 200.
Image-generating unit 200 forms image on the print media P that transmits by delivery roll 190.Image-generating unit 200 can have a plurality of corresponding to blue or green (C), pinkish red (M), yellow (Y) with deceive photosensitive roller 220C, 220M, 220Y and the 220B of the toner of (B); Exposing unit 210C, 210M, 210Y and 210B; And developing cell 230C, 230M, 230Y and 230B.Transfer belt 240 be arranged on each developing roller 220C, 220M, 220Y and 220B near.Band driven roller 250 is arranged in developing roller 220C, 220M, 220Y and the 220B, transmits transfer belt 240 with unified speed.Transfer roll 260 contacts with transfer belt 240, and they are clipped in the middle print media so that the developer on the transfer belt 240 is transferred on the print media.Fixation unit 300 is transferred to image on the print media P by heat and pressure fixing.Image-generating unit 200 and fixation unit 300 can be according to concrete imaging device by any style configuration.
Deliverying unit 400 is discharged print media P, has fixed image by fixation unit 300 on print media.Print media P discharges and is stored on the deliverying unit 400 by the exhaust opening (not shown) that is arranged on housing 500 upsides.
Also being used in provides direction and changes the unit (not shown) between fixation unit 300 and the deliverying unit 400, be used for forming image on the another side of print media P with the direction of transfer of the P that changes print media.Print media P can be sent in the image-generating unit 200 by two-sided roller (not shown) again.
The switch accommodation hole is arranged on a side of opening portion 510 and holds switch main body 181.Switch accommodation hole 520 can be greater than the xsect of switch main body 181, thereby switch main body 181 can easily be given prominence to and withdraw.
Have image forming program, will be described referring to figs. 1 to 6 below according to the imaging device 1 of one exemplary embodiment structure.At first, as shown in Figure 2, when the user will be connected to the feed cassette that is in holding fix 150 on the housing 500 when housing 500 separates, connecting rod 152a moves and feed cassette 150 rotates along connecting rod guidance unit 152b.The rotation of response feed cassette 150, the push projection 155 push switch main bodys 181 of feed cassette are shown in Fig. 4 B.Switch main body 181 is outstanding with respect to housing 500, owing to withdraw with respect to housing 500 from the pressure of push projection 155, shown in Fig. 5 B.
The motion of switch main body 181 causes guide rod 177b upwards to rotate along guiding groove 185 at the retracted orientation of switch main body 181.Lid main body 171 turns to open position with respect to lid dwang 173b, pick-up roller 160 is exposed to by opening 510 outsidely is stored in print media P in the feed cassette 150 with contact.According to supplying friction force, to pick up uppermost print media P from user's output signal pick-up roller 160 rotations and to the print media P that is stored in the feed cassette 150.The print media P that picks up is transmitted by transfer roller 190.
Image-generating unit 200 spray developing agent on print media P is used for forming image thereon.Fixation unit 300 is by the developer on heat and the pressure fixing print media P.The print media that is fixed with image is discharged by deliverying unit 400.
According to exemplary embodiment of the present, imaging device 1 is used in for a long time and keeps clean, because the pick-up roller 160 protected outside contamination that prevent of secondary feed unit 140.By lid rotating switch 180, pick-up roller cover 170 moves along with the rotation of feed cassette 150, thereby feed cassette is used in not under the situation of adding the opening/closing unit and uses.
Fig. 7 A and 7B are the synoptic diagram of expression according to the structure of the secondary feed unit 140a of another one exemplary embodiment of the present invention.Secondary feed unit 140a comprises the pick-up roller cover 170a that is pivotally connected on the housing 500 and the pick-up roller of feed cassette 150a.
Pick-up roller cover 170a comprise cover main body 171a and the lid dwang 173, its middle cover dwang will cover main body 171a and be supported in rotationally on the housing 500.Feed cassette 150a comprises feed cassette main body 151a, feed cassette dwang 153a and is arranged on the elastic pressure unit 156 (shown in Fig. 7 B) of feed cassette main body 151a opposite side that the elastic pressure unit is arranged on the end opposite of feed cassette main body 151a.Rotation elastic pressure unit 156 elasticity according to feed cassette main body 151a are rotated, and pushing pick-up roller cover 170a.
Foundation will be described below in conjunction with the supply process of the secondary feed unit 140a of the one exemplary embodiment of Fig. 7 A and Fig. 7 B description.At first, when the user when housing 500 separates feed cassette 150a because the elastic force of torsion spring 157a, elastic pressure unit 156 rotates.Correspondingly, elastic pressure unit 156 pushing pick-up roller cover main body 171a, and pick-up roller cover main body 171a is opened.
Foundation can have the simpler structure of describing than in conjunction with Fig. 1-6 of one exemplary embodiment in conjunction with the secondary feed unit 140a of the one exemplary embodiment of Fig. 7 A and Fig. 7 B description, because according to the rotation of feed cassette 150a, elastic pressure unit 156 pushing pick-up roller cover 170a directly open.
Fig. 8 A and 8B illustrate still the synoptic diagram according to the secondary feed unit 140b of another embodiment of the present invention.Secondary feed unit 140b comprises pick-up roller cover 170b and feed cassette 150b, and wherein pick-up roller cover is connected to housing 500 feasible moving up or down; Feed cassette has elastic pressure unit 156 so that pick-up roller cover 170b moves up.
Pick-up roller cover 170b comprises the lid main body 171b with pre-determined tilt face 173b.Track linkage unit (not shown) can be arranged on the opposition side that covers main body 171b.When lid main body 171b made progress or be mobile down, the track linkage unit can be connected to the guide rail (not shown) that is arranged on housing 500 inwalls.
Will be described below the supply process of foundation in conjunction with the secondary feed unit 140b of the one exemplary embodiment of Fig. 8 A and Fig. 8 B description.At first, when the user when housing 500 separates feed cassette 150b, elastic pressure unit 156 rotates owing to turning round the elastic force of refusing spring 157a.Correspondingly, the dip plane 173b of the pressure dip plane 156b thrust cap main body 171b of elastic pressure unit 156.Lid main body 171b upwards moves to open opening portion 510 in housing 500.
Foundation can easily be operated in conjunction with the secondary feed unit 140b of the one exemplary embodiment of Fig. 8 A and Fig. 8 B description, and the opening/closing unit that need not add, because pick-up roller cover 170b moves up and down along the shape that is formed on the dip plane 173b in the pick-up roller cover 170b in housing 500.
According to the image-generating unit 200 of exemplary embodiment of the present, can adopt repeatedly imaging-type with four kinds of color developers and four exposure components.Image-generating unit 200 also can adopt the single imaging-type with four kinds of color developers and an exposing unit or use the monochrome type of monochromatic (black) developer to form image.
As mentioned above, the imaging device according to aspect of the present invention comprises pick-up roller cover, and it is used for respect to outer exposed and covers pick-up roller, makes pick-up roller to use cleanly for a long time.In addition, can realize the level and smooth supply of secondary feed unit.
Though explained and described one exemplary embodiment of the present invention, it will be appreciated by those skilled in the art that to be used under the situation that does not deviate from true scope of the present invention that carry out different improvement and distortion, equivalent can alternative elements.Under the situation that does not deviate from invention scope, can carry out multiple improvement, conversion, additional or sub-portfolio for concrete condition.For example, image-generating unit can use ink-jet technology, electrofax or heat transfer technology to form image on print media P.Similarly, with respect to the one exemplary embodiment shown in the figure, feed cassette can be designed as can leave out some assemblies, such as the various bars of all or part.Correspondingly, the invention is intended to be not limited to disclosed each one exemplary embodiment, the present invention includes all embodiment that fall into the scope of the said claims.
Claims (21)
1. imaging device, it comprises:
Image-generating unit is used for forming image on print media;
Feed cassette is arranged between the supply position of feed cassette storage print medium stacking and the holding fix that feed cassette is turned up and moves;
Pick-up roller is when described feed cassette is in the supply position, from the single page of feed cassette to image-generating unit supply print media; With
Pick-up roller cover is arranged between open position that exposes donor rollers and the off-position that covers pick-up roller and rotates.
2. imaging device as claimed in claim 1, wherein, along with feed cassette moves to supplying with the position from holding fix, pick-up roller cover moves to open position from off-position.
3. imaging device as claimed in claim 2, wherein, described pick-up roller also comprises:
Push projection, its be arranged on feed cassette a side and
The lid rotating switch, it is arranged on the side of housing, and and push projection interlock, thereby pushing and release and projection and withdrawal along with described push projection, and when feed cassette from holding fix when supplying with the position and rotate, the rotation of guiding pick-up roller cover between open position and off-position.
4. imaging device as claimed in claim 3, wherein, described pick-up roller cover also comprises covering main body and will covering main body rotationally and is connected to lid hinge unit on the housing.
5. imaging device as claimed in claim 4, wherein,
Described pick-up roller cover also comprise the guide rod that separates from the lid hinge unit and
Described lid rotating switch comprises the guiding groove that is used to guide described guide rod, so that according to the outstanding of described lid rotating switch and withdrawal, pick-up roller cover moves to open position from off-position.
6. imaging device as claimed in claim 5, wherein, described lid hinge unit comprises flexible member, is used for providing elastic force to guide rod, make when the lid rotating switch when push projection discharges, the lid rotating switch of withdrawal can be given prominence to respect to housing.
7. imaging device as claimed in claim 2, wherein, described pick-up roller also comprises:
Push projection, it is arranged on the side of feed cassette, pushing pick-up roller cover, thereby turns to when supplying with the position from holding fix when feed cassette, makes pick-up roller cover turn to open position from off-position.
8. imaging device as claimed in claim 7 wherein, also comprises hinge unit, its support pick-up roller cover rotationally and be arranged on pick-up roller cover and housing between.
9. imaging device as claimed in claim 8 wherein, also comprises the flexible member that is arranged on the hinge unit, is used to provide elastic force, so that pick-up roller cover can turn to off-position.
10. imaging device as claimed in claim 2, wherein,
Described pick-up roller cover is included in first dip plane that the bottom of pick-up roller cover tilts at a predetermined angle, and described pick-up roller is connected on the housing, thereby moves up and down between off-position pick-up roller and open position pick-up roller; With
Described feed cassette comprises decline and rising connecting rod, and it has second dip plane to described connecting rod corresponding to first dip plane, and along with the rotation of feed cassette, described connecting rod rotates with respect to feed cassette, and promotes pick-up roller cover, makes this pick-up roller cover move up and down.
11. imaging device as claimed in claim 10, wherein,
Described housing comprises accomodating unit, with hold the pick-up roller cover that is shown in an open position and
Described accomodating unit comprises rising and decline guide rail, to guide pick-up roller cover smoothly according to rising and pushing of decline connecting rod.
12. an imaging device, it comprises:
Housing;
Image-generating unit is in enclosure interior, is used for forming on print media image;
Pick-up roller is to supply with print media from feed cassette to image-generating unit; With
Pick-up roller cover is connected on the housing, is used for moving between open position and off-position, wherein, at open position, pick-up roller is exposed to the outside, thereby allows pick-up roller that print media is supplied to image-generating unit from feed cassette; In off-position, cover pick-up roller, thereby prevent that pick-up roller from polluting.
13. imaging device as claimed in claim 12 wherein, also comprises:
Feed cassette is connected to housing and is set to and moves between the holding fix that the supply position and the feed cassette of feed cassette storage print medium stacking are turned up;
Wherein, described pick-up roller moves to open position from off-position, while and the mobile interlock from holding fix to the supply position.
14. imaging device as claimed in claim 13 wherein, also comprises:
Push projection is connected to a side of feed cassette; With
The lid rotating switch is connected to housing, thereby corresponding to push projection, the rotation of described lid rotating switch control pick-up roller cover between open position and off-position;
Wherein, described push projection is exerted pressure to the lid rotating switch, and simultaneously feed cassette turns to and supplies with the position, covers rotating switch pick-up roller cover is turned to open position thereby make.
15. imaging device as claimed in claim 13, wherein, described feed cassette comprises:
The feed cassette main body is used for the storage print medium;
Resilient intermediate pressure means is connected to feed cassette, and is arranged to when feed cassette moves to when supplying with the position from holding fix pick-up roller cover is pushed to open position.
16. imaging device as claimed in claim 15, wherein,
An end that contacts with pick-up roller cover of resilient intermediate pressure means has the dip plane;
An end that contacts with resilient intermediate pressure means of pick-up roller cover has the dip plane; With
When being pushed by resilient intermediate pressure means, pick-up roller moves vertically to open position from off-position.
17. imaging device as claimed in claim 15 wherein, also comprises torsion spring, is connected to resilient intermediate pressure means, thereby resilient intermediate pressure means is rotated with the pushing pick-up roller cover.
18. imaging device as claimed in claim 12 wherein, also comprises main feed unit, it is arranged in the housing, to store other print media and described other print media is fed to image-generating unit.
19. imaging device as claimed in claim 1 wherein, also comprises main feed unit, it is arranged in the housing, to store other print media and described other print media is fed to image-generating unit.
20. one kind is fed to the method for imaging device with print media, this method comprises:
Rotate feed cassette, make its holding fix of turning up from feed cassette turn to the supply position of storage print medium;
The response supply box to the rotation of supplying with the position, is opened pick-up roller cover to open position from holding fix automatically, to expose pick-up roller; With
Print media is supplied with to imaging device from feed cassette.
21. an imaging device, it comprises:
Image-forming block, it forms image on print media;
Housing, it holds image-forming block;
Feed cassette, it is set to and can moves between supply position and holding fix, wherein, is supplying with the position, and feed cassette separates from housing, and is used for print media is supplied to enclosure interior; At holding fix, feed cassette is connected to housing;
Secondary feed cassette, it is contained in the housing and the storage print medium;
Pick-up roller, its supply with the position with print media from feed cassette be fed to image-forming block and
Pick-up roller cover, it is connected to housing movably, and moves between open position and off-position, wherein, at open position, pick-up roller is exposed to the outside, thereby contacts with pick-up roller and the picked image-forming block that arrives from the print media that is in the feed cassette of supplying with the position; In off-position, be used for when feed cassette is positioned at holding fix, preventing contacting of described pick-up roller and print media;
Collaborative with the motion of feed cassette from the holding fix to the supply position, pick-up roller cover moves to open position from off-position.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20060102436 | 2006-10-20 | ||
| KR102436/06 | 2006-10-20 | ||
| KR73031/07 | 2007-07-20 | ||
| KR1020070073031A KR101172396B1 (en) | 2006-10-20 | 2007-07-20 | Image forming apparatus havin pick up roller cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101165602A true CN101165602A (en) | 2008-04-23 |
| CN101165602B CN101165602B (en) | 2013-01-30 |
Family
ID=39334331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101702001A Expired - Fee Related CN101165602B (en) | 2006-10-20 | 2007-10-22 | Image forming apparatus having pick-up roller cover |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101172396B1 (en) |
| CN (1) | CN101165602B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108616A (en) * | 2013-04-15 | 2014-10-22 | 京瓷办公信息***株式会社 | Sheet Feeding Apparatus And Image Forming Apparatus Including Same |
| CN110944846A (en) * | 2017-07-31 | 2020-03-31 | 惠普发展公司，有限责任合伙企业 | Medium detector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100368207C (en) * | 2002-08-20 | 2008-02-13 | 夏普株式会社 | Paper-delivering device and image forming device with the paper-delivering device |
-
2007
- 2007-07-20 KR KR1020070073031A patent/KR101172396B1/en not_active IP Right Cessation
- 2007-10-22 CN CN2007101702001A patent/CN101165602B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108616A (en) * | 2013-04-15 | 2014-10-22 | 京瓷办公信息***株式会社 | Sheet Feeding Apparatus And Image Forming Apparatus Including Same |
| CN104108616B (en) * | 2013-04-15 | 2016-08-17 | 京瓷办公信息***株式会社 | Sheet feeder and possess the image processing system of this sheet feeder |
| CN110944846A (en) * | 2017-07-31 | 2020-03-31 | 惠普发展公司，有限责任合伙企业 | Medium detector |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20080035950A (en) | 2008-04-24 |
| KR101172396B1 (en) | 2012-08-08 |
| CN101165602B (en) | 2013-01-30 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170320 Address after: Gyeonggi Do, South Korea Patentee after: Aisi Printing Solutions Co.,Ltd. Address before: Gyeonggi Do, South Korea Patentee before: Samsung Electronics Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Gyeonggi Do, South Korea Patentee after: S-PRINTING SOLUTION Co.,Ltd. Address before: Gyeonggi Do, South Korea Patentee before: Aisi Printing Solutions Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191105 Address after: Texas, USA Patentee after: HEWLETT-PACKARD DEVELOPMENT Co.,L.P. Address before: Han Guojingjidao Patentee before: S-PRINTING SOLUTION Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20130130 |