CN100351846C - Picture reading device - Google Patents
Picture reading device Download PDFInfo
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- CN100351846C CN100351846C CNB021031673A CN02103167A CN100351846C CN 100351846 C CN100351846 C CN 100351846C CN B021031673 A CNB021031673 A CN B021031673A CN 02103167 A CN02103167 A CN 02103167A CN 100351846 C CN100351846 C CN 100351846C
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Abstract
The present invention relates to an image reading device which enforces the transfer original manuscripts one by one and reads the images of the transferred original manuscripts by a preset reading part. The image reading device is provided with a first reading part for reading one surface of each original manuscript on a curved bottom part of a U-shaped transfer passage which is used for guiding the movement of the original manuscripts between a paper supplying tray and a paper exhausting tray, and is provided with a second reading part for reading the other sides of each original manuscript on a straight line part of the side of the paper exhausting tray. Consequently, the original manuscript can be stably read. Moreover, a guiding component which constructs the second reading part forms a structure which can be freely disassembled from the lower side, a structure which can improve maintainability is formed, and an adjusting mechanism is provided. Thus, the adjustment is easily enforced by the tilting situation of a read mechanism for reading the original manuscripts on the second reading part.
Description
Technical field
The present invention relates to a kind of image read-out with conveyer, its device can more than Di be expelled to the manuscript reading section place successively with the original copy that is loaded on the paper supply tray, particularly can implement the image read-out of read operation to positive and negative two surfaces on the original copy simultaneously.
Background technology
Be commonly referred to this image read-out of scanning device, can implement to read to original image by optical mode, and after being converted into electronic data, be sent to the image processing system that is arranged in outside personal computer, duplicating machine, facsimile recorder etc., in most of image processing system, all dispose this image read-out.
Image read-out has the light source that the original copy enforcement rayed of being discharged by the Zhang Luxu in paper supply tray place by the original copy automatic conveyor is used usually, and the imageing sensor of the reflected light of being returned by the original copy surface reflection being implemented to receive usefulness.Image read-out at this can be the scaled-down version optical system class image read-out that is provided with such as imageing sensors such as charge-coupled device (CCD)s, also can be with linear light source and Line Chart image-position sensor along original copy transverse width direction (main operation direction) process, compact configuration be at the image read-out such as closing type such as class such as magnification optical system such as grade at original copy drive access place.
Yet, no matter the imageing sensor in which kind of type, in order to implement accurate and agonic reading to original image, all need to make the original copy can be by predetermined speed stably by image reading position, and need make original copy can be as much as possible with image read-out on the image reading face near-earth that joins carry out.Particularly for the closing type imageing sensor in the magnification optical systems such as conduct, because its depth of focus is little more a lot of than scaled-down version optical system class imageing sensor, advance so more need to make original copy to implement closely contact with respect to the image reading face on the image read-out.Therefore, preferably will wait magnification optical system class closing type imageing sensor, be configured in the original copy straightaway position of trying one's best.
In image read-out in recent years, a kind of image read-out with two-sided read functions has been proposed.The original copy that this device will be supplied by more than of original copy automatic conveyors transmits control by the complexity that two single reading mechanisms are set do not need to implement to be the Z font, and with once original copy transmission, reads the image on positive and negative two surfaces of original copy simultaneously.
In the image read-out of this prior art with two-sided read functions, read the reading device used of image of the one side at least of original copy, in order to make original copy automatic conveyor densification, great majority adopt and are configured in the imageing sensor of using within the original copy automatic conveyor such as closing type such as class such as magnification optical system such as grade.
As this prior art, in the open communique of No. 69086/1999 application for a patent for invention of Japan, disclose the device that is provided with two reading mechanisms in the both sides of original copy drive access.First reading mechanism (scaled-down version optical system) can move below first pressing plate of placing usefulness such as thick type original copy, and its enforcement read, to being sent to the surface of original copy on second pressing plate that is positioned at place, large-scale transmission roll below on the original copy automatic conveyor, implement static reading simultaneously.Second reading mechanism (magnification optical system such as closing type) be configured in be positioned at the second pressing plate drive access downstream side, be the nemaline drive access of straight parallel place.Be the nemaline drive access of straight parallel and be positioned at along delivery roller 11 outside perimembranous, original copy is mentioned by second pressing plate and be sent to the top after the part place.This dual-side image reading device can utilize first, second reading mechanism that positive and negative two surfaces on the original copy are implemented to read simultaneously.
Yet, this prior art be with original copy along the outside perimembranous of large-scale transmission roll towards above part place after implementing to transmit, form with original copy and discharge the parallel linear drive access of direction, and second reading mechanism is configured in this position, but also need further to implement the transmission of original copy towards being positioned at the original copy escape hole of locating the top, so this original copy automatic conveyor, not only the size along original copy discharge direction is bigger, and is also bigger along the size of device thickness direction.And, the original copy drain passageway of Gou Chenging in this manner, only the reading part place on second reading mechanism is plane, do not guarantee the rectilinearity of whole drive access, and original copy more or less in narrow scope bending advance, thereby be difficult to guarantee to implement the high quality images read operation.
And, in aforesaid prior art, as interior second reading mechanism that is contained in the magnification optical systems such as closing type within the original copy automatic conveyor, be arranged on the inner position place of equipment mechanism inside, so for reading face on the reading mechanism and the supporting guide face relative with it, be to be difficult to carry out very much clean operation, thereby also have the problem that is difficult to carry out maintenance.
And, for the occasion that second reading mechanism is installed in original copy automatic conveyor place, also can be owing to parts sum of errors assembly error etc., and make the installation site of reading mechanism produce error.When this installation site generation has error, the read line angle on the reading mechanism will form deviation with respect to original copy.
In other words to be exactly, in order can implementing to read to original copy, to read the suitable read line of usefulness with respect to original copy, because of the alignment error of reading mechanism, actual read line can produce inclination.There is following problems in this state, that is, to reading the view data of original image, when utilizing the image processing system of duplicating machine or printer etc. to form image, can forms the problem that is skewed image with respect to original image.
Summary of the invention
The present invention solves the invention that problem is used in the above-mentioned prior art, purpose of the present invention just provides a kind of image read-out, it is crooked and fuzzy that its device can make the image reading of data on positive and negative two surfaces of original copy not take place, easily the reading face on the reading mechanism is implemented clean operation and had good maintainability with the guide surface relative with it again, thereby and can under the state that does not produce error, easily implement to install, adjust and to implement the high quality image read operation reading mechanism.
In order to realize above-mentioned purpose, image read-out of the present invention comprises: the pressing plate of original copy being implemented to read usefulness; To surperficial first reading mechanism of implementing to read usefulness on the original copy that moves on the pressing plate; Place the paper supply tray that original copy is used; Take in the paper discharge pallet that the original copy after reading is used; The original copy drive access, its path comprises that the original copy that will be positioned on the described paper supply tray guides to the paper supply passageway of using on the pressing plate, and with respect to pressing plate tilt and form rectilinear form, original copy mentioned by described pressing plate place and guides to paper discharge the paper drain passageway that the pallet place uses; And be configured in pressing plate and paper discharge between the pallet the described paper drain passageway place of shape linearly, to original copy on another surface implement to read second reading mechanism of usefulness.
And, comprise the pressing plate of original copy being implemented to read usefulness; When enforcement is moved, is read to the original copy on static placement pressing plate, to surperficial first reading mechanism of implementing to read usefulness on the original copy that moves on the pressing plate; At least cover the lid that is covering the last branch of pressing plate and cover mechanism; Place the paper supply tray that original copy is used; Take in the paper discharge pallet that the original copy after reading is used; The original copy that will be positioned on the paper supply tray guides to the paper supply passageway of using on the pressing plate; Be configured in lid cover mechanism top place, original copy mentioned by described pressing plate place and guides to paper discharge the paper drain passageway that the pallet place uses; Be configured in second reading mechanism described paper drain passageway place, that another surface on the original copy implemented to read usefulness; The directing assembly that is being oppositely arranged with second reading mechanism, form paper drain passageway part usefulness according to the mode of the original copy after being read by second reading mechanism being implemented guiding; And according to the mode that the original copy reading face on second reading mechanism can be exposed to the open air out, with directing assembly to cover the fixed installation sector that the disassembled and assembled freely mode is installed the mechanism side from described lid.
And then, comprise in the original copy automatic conveyor that is installed on the original image reading device main body, read the reading mechanism that original image is used; And according to supporting described reading mechanism, so that can implement the supporting mechanism of adjustment along the tilt condition of original copy direction of transfer to described reading mechanism along the mode that the original copy direction of transfer freely shakes.
Description of drawings
Fig. 1 represents the installment state figure that is configured in the original copy automatic conveyor in the original document reading apparatus main body of the present invention.
Fig. 2 represents the sectional view that disposes the image read-out integral body of original document reading apparatus of the present invention.
Fig. 3 represents the amplification profile of the major part of original copy automatic conveyor of the present invention.
Fig. 4 represents the sectional view that times optical modules such as closing type of the present invention (second reading mechanism) constitute.
Fig. 5 represents the sectional view that directing assembly of the present invention constitutes.
Fig. 6 represents the synoptic diagram that the dismounting of directing assembly of the present invention constitutes.
Stereographic map when Fig. 7 represents that original copy automatic conveyor of the present invention in opened condition.
Fig. 8 represents that original copy automatic conveyor of the present invention is opened, pushes lid and covers mechanism and be stereographic map when opening state.
Fig. 9 represents that original copy automatic conveyor of the present invention is opened, the stereographic map of the state when directing assembly is removed.
The synoptic diagram of the variation of the embodiment that the dismounting of Figure 10 (a) and Figure 10 (b) expression directing assembly of the present invention constitutes.
Figure 11 represents the time diagram chart of the operating state of original copy automatic conveyor of the present invention.
Figure 12 represents the synoptic diagram of the read line adjusting mechanism in times optical modules such as closing type of the present invention (second reading mechanism).
Figure 13 represents the synoptic diagram of the read line method of adjustment in times optical modules such as closing type of the present invention (second reading mechanism).
Figure 14 represents the synoptic diagram of the another kind of embodiment of read line adjusting mechanism of the present invention.
Figure 15 represents the synoptic diagram of the read line method of adjustment of another embodiment of the present invention.
Embodiment
Below according to Fig. 1, Fig. 2, the formation of original document reading apparatus of the present invention is described, 1 expression is the original document reading apparatus main body of original copy being implemented to read usefulness among the figure, 2 the expression be the original copy automatic conveyor, and this original copy automatic conveyor 2 is by hinge means 3, is installed in locating above of original document reading apparatus main body 1 in mode free to rotate.
Side place on original document reading apparatus main body 1 is provided with the first contact glass component 10 that thick type original copy is used, be provided with thick type original copy positioning element 11 at the opposite side place, portion place disposes first load bearing component 21 that constitutes by the illuminace component 23 of scaled-down version optical system, by catoptron 24 etc. within it, second load bearing component 22 that constitutes by second catoptron 25, the 3rd catoptron 26 etc., and first reading mechanism 20 that constitutes by lens 27, opto-electronic conversion mechanism (charge-coupled device (CCD)) 28, control basal plate 29 etc.
The second contact glass component 12 that original copy is used also is installed at thick type original copy positioning element 11 places.First, second load bearing component 21,22 is respectively by parts such as not shown cable or Timing Belts, implement to drive according to 2: 1 speed by not shown motor, so that can be when being positioned at first contact and implementing scanning, implement to scan with original copy place, glass component 12 belows, that send by original copy automatic conveyor 2 to stopping at second contact with the thick type original copy on the glass component 10.Original image after the scanning is in charge-coupled device (CCD) 28 places imaging, implements Flame Image Process by control basal plate 29 after being converted to electric signal.
In addition, can adopt illuminace component, a plurality of catoptron, lens, charge-coupled device (CCD) etc. are constituted scaled-down version optical system as a mechanism, also can adopt first contact is implemented method for scanning with the thick type original copy on the glass component 10.
At original copy automatic conveyor 2 places, being provided with lid covers first on the original document reading apparatus main body 1 contact and covers with the extruding of glass component 10 usefulness and cover parts 5, transmit the connecting gear that original copy is used, place the paper supply tray 30 that original copy is used, take in the paper discharge pallet 38 that original copy is used, and second reading mechanism 40 of the reverse side of original copy being implemented to read usefulness.
The original copy connecting gear can form the drive access that is the bending of U font as shown in Figure 3, and X2 is put in the second reading fetch bit that first in first reading mechanism 20 reads in the position X1 and second reading mechanism 40, is arranged on this drive access by the mode at a distance of certain intervals.
And, the original copy connecting gear has and can pick up roll 31 to what the original copy that is placed on paper supply tray 30 places was implemented to discharge successively successively by the top side, with the original copy of discharging successively isolate one and implement to transmit usefulness, supply with the separating mechanism that roll 32 and release liner 33 constitute by paper, and the counting roll that can implement registration process to the original copy leading section that supplies is to 34, and these are picked up roll 31, paper and supply with that roll 32, counting roll are implemented forward to 34 by paper being supplied with motor M1, backwards rotation drives original copy is implemented to supply with.
The original copy connecting gear is also at the front and back position place of second contact with glass component 12, dispose with original copy be sent to original document reading apparatus main body 1 second the contact read position X1 with first on the glass component 12, and second contact on the reading mechanism 40 put the transmission roll of X2 place usefulness to 35,36 with the second reading fetch bit of glass component 41, and in second contact with the downstream side place of glass component, also be provided with and original copy is expelled to paper discharges the paper of using at pallet 38 places and discharge roll 37.These transmit rolls to 35,36 and paper discharge roll to 37, by transmitting the driving of motor M2, original copy is implemented to transmit, discharge.
Below according to Fig. 3, Fig. 5, get the form of the composition of second reading part of position and be elaborated being set with second reading.
Second reading part, be formed with to comprise and be skewed directing assembly 49 with the reading face on the glass component 12 to the paper escape hole place on described paper discharge pallet 38 by second contact, linear passages 90, and be provided with clamping transmission roll that second reading mechanism 40 is located at upstream side and downstream side place to 36, paper discharges roll to 37.
As shown in Figure 5, with contact with the relative directing assembly 49 of glass component 41, this directing assembly 49 is applied towards the spring 91 of contact with the elastic reaction of glass component 41 sides, transmit roll to a roll in 36, and paper is discharged roll to a roll in 37, constituted directing assembly 39 by integral body, and this directing assembly 39 can implement to install and take off operation with respect to the framework 100 on the original copy automatic conveyor 2 as described later.
If adopt this form of the composition, just can with second contact with first on the glass component 12 read that X1 place, position enforcement is read, by the original copy that mention at face 11a place of mentioning in the positioning element 11, guide to angled straight lines portion 90 places.Guide to the original copy at these angled straight lines portion 90 places, can along this angled straight lines portion 90 by transmit roll to 36, paper discharges roll and implements to transmit to 37, and read reading the enforcement of X2 place, position by second reading mechanism 40.
As mentioned above, second reading mechanism 40 is times sensors such as closing type, then with compare as the scaled-down version optical system of first reading mechanism 20, its depth of focus is smaller, so original copy is closely contacted with reading face, guarantee the stable transmission that transmits simultaneously.Therefore, be arranged in narrower that the gap of the original copy drive access at the second reading part place should set, and form linear, can implement level and smooth the transmission to original copy, and can obtain stable image by the path that reads that makes second reading part.
In general, as the contact glass component in the device reading part of present embodiment, and with this contact with glass component relative pick up the guiding parts place, tend to be attached with dirts such as paper powder on the original copy, the printing ink on the original copy, toner, thus need to implement whenever or the upkeep operation that regularly cleans etc.
Therefore, in this device, as shown in Figure 6, the straight line drive access of being located in second reading part of second reading mechanism 40 in the original copy automatic conveyor 2 90 is opened, thereby can easily be made contact be exposed state with the guide surface on guide surface on the glass component 41 and the directing assembly 49.
According to Fig. 7, Fig. 8, Fig. 9, this form of the composition is elaborated below.
As shown in Figure 7, bottom side place at original copy automatic conveyor 2, be provided with when lid closes on image automatic conveyor 2, cover parts 5 for another surface of reading original copy contacts the extruding lid that joins with glass component 10 with first, the place, inboard of covering parts 5 at this extruding lid also is provided with directing assembly 39.At this, the extruding lid covers parts 5, takes in the part of directing assembly 39 usefulness at least, opens removably.
Fig. 8 covers the figure that parts 5 last branches are in the state of opening for expression extruding lid as shown in Figure 7.
Locate in two ends that the extruding lid that is positioned at directing assembly 39 sides covers on the parts 5, be respectively arranged with fixture, and can pass through a bolt member 71 respectively, it is installed in framework 100 places.When these two bolt members 71 are taken off, can open the extruding lid by front side simply and cover parts 5.When this extruding lid being covered parts 5 implement to open, directing assembly 39 will be exposed state.
The figure of the state when Fig. 9 is removed for expression directing assembly 39.
At this, be to be positioned at two positions locating two ends on the directing assembly 39 by bolt member 72 to be fixed on the framework 100.When needs took off directing assembly 39, the mode that the directing assembly 39 that bolt member 72 can be taken off is as required drawn from framework 100 was taken off.By directing assembly 39 is taken off, make the contact in second reading mechanism 40 be exposed state with glass component 41.Thus, just can implement cleaning with glass component 41 or with contact with the relative directing assembly 49 of glass component 41 to contact.After cleaning finishes, can implement to install according to order opposite when taking off.
Can make linear passages 90 in opened condition, and then make contact be the form of the composition of exposed state with the surface of the surface of glass component 41 and directing assembly 49, except the above-mentioned form of the composition, discharging roll mandrel by directing assembly 49 with the paper of original copy direction of transfer downstream side is that the strong point is implemented to rotate, thereby the contact that can make second reading get mechanism 40 is exposed state with the surface of glass component 41 and the surface of directing assembly 49.According to the variation of this embodiment, owing to no longer need to take off bolt member, so can in the shorter time, implement upkeep operation.
According to Figure 10 (a) and Figure 10 (b), the variation of this embodiment is carried out simple declaration below.
Shown in Figure 10 (a), directing assembly 39 integral installations are covered part place on the parts 5 at extruding lid, and can getting paper, to discharge roll be that the strong point is implemented to rotate to the rotation axis of a roll in 37.By adopting this form of the composition, just can make the contact on second reading mechanism 40 be exposed state by the mode that directing assembly 39 is rotated with respect to the side enforcement of framework 100 with the surface of glass component 41 and the surface of directing assembly 49.At this, also can not adopt bolt member, but adopt other combining mechanism known in the art, directing assembly 39 is covered parts 5 with the extruding lid be installed in framework 100 places.
Figure 10 (b) expression be that the extruding lid is covered after a part on the parts 5 opened by framework 100 places, discharging roll with paper is the strong point to the rotation axis of a roll on 37, the state when directing assembly 39 is rotated.For this occasion, also can not adopt bolt member, but adopt such as parts such as velcros, detachably will push to cover and cover parts 5 and be installed on the framework 100.
Control relation to original copy automatic conveyor 2 describes below.What S1 represented is to detect whether have the load cell that original copy is used at paper supply tray 30 places, what S2 represented is that the original copy leading section is implemented to detect to implement the sensor for countering of counting action usefulness, what S3 represented is that the original copy leading section is implemented to detect the helical pitch sensor that reads the time of using with setting, and what S4 represented is whether original copy to be discharged from the paper of implementing affirmation usefulness discharge sensor.
By comprising the control device (not shown) of central processing unit (CPU) etc., can implement control to supply, transmission, the discharging operation of original copy, thereby the original copy surface is implemented to read.This central processing unit (CPU) is to being received, and the drive actions of each motor is implemented control by the signal of described various sensor outputs, instruction and the information enforcement that is provided by reading device main body 1.
Below, according to time diagram chart shown in Figure 11, the original copy when positive and negative two surfaces on the original copy are implemented to read transmits action and describes.
At first, utilize load cell S1, supply with instruction, implement to confirm on paper supply tray 30, whether having original copy according to the paper that receives by control device, provide by the main body place.When load cell S1 detects when being placed with original copy on paper supply tray 30, begin first original copy implemented to supply with.
The original copy that is positioned on the paper supply tray 30 is implemented to discharge successively by picking up roll 31, and then separates one by one with separating mechanism that release liner 33 constitutes and supply with by supplied with roll 32 by paper.When record sensor S2 detects the original copy leading section that supplies, stop after only in the stipulated time (t1) that the detected moment rises by this, transmitting.Adopt this form of the composition, original copy leading section and counting roll are connected to the clamping part on 34 and form the deflection displacement, thereby can implement registration process the leading section on the original copy.Subsequently when having passed through the stipulated time (t2), the counting roll is implemented to drive to 34, thereby can by the counting roll to 34, transmit roll 35 pairs of original copys implemented to transmit.
In addition, after the stipulated time (t3) after helical pitch sensor S3 detects the original copy leading section, stop transmission to original copy.At this moment, the original copy leading section will stop at contact and use glass component 10 position before.
Subsequently, according to the reading command signal that provides by original document reading apparatus main body 1, according to reading speed original copy is implemented to drive once more, by transmit roll to 35,36 and paper discharge roll to 37 make its successively by first read position X1, X2 is put in the second reading fetch bit, and its by first read position X1, the second reading fetch bit is put in the process of X2, utilizes the uper side surface of first reading mechanism 20,40 pairs of original copys of second reading mechanism and downside surface to implement to read.
By transmit roll to 35,36 and paper discharge roll to 37 that implement facing one direction to transmit, pros and cons all implemented the original copy that reads, discharge roll by paper and be expelled to paper discharge pallet 38 places 37, by discharging the detection that sensor S4 implements the original copy rear end, can confirm that this original copy has been accommodated in paper and has discharged pallet 38 places by paper.
Utilizing record sensor S2, detect by transmit roll to 35,36 and paper discharge roll to 37 implement facing one direction to transmit the original copy rear end time, if showing, the testing result of load cell S1 on paper supply tray 30, has next original copy, then after the stipulated time by record sensor S2, begin second original copy implemented to supply with from original copy.
Adopt this form of the composition, just can according to first mode that original copy is identical, second later original copy implemented paper supply with and transmit control, when last original copy reads position X1, X2 by first, second and its pros and cons was implemented to read, and by paper discharge sensor S4 detect be expelled to paper and discharge stipulated time (t4) after the pallet 38 after, stop whole original copys and transmit action.
Below according to Figure 12, Figure 13, to the installing mechanism in second reading mechanism 40, and the method for adjustment of read line when tilting describes.
The holding member 46 of second reading mechanism 40 at place, both sides as shown in figure 12, along the longitudinal direction, is formed with the first and second installing component 46a, 46b that second reading mechanism, 40 usefulness are installed.The first installing component 46a on this holding member 46, the second installing component 46b place, be formed with first, second mounting hole 47,48 respectively, and by this mounting hole 47,48, can utilize mounting screw 51 as fixed part with holding member 46, promptly second reading mechanism 40 is installed in side plate 50 places of original copy automatic conveyor.
At this, holding member 46 is installed on first, second mounting hole 47,48 of side plate 50 usefulness, as shown in figure 13, first mounting hole 47 of original image reading device main body 1 rear end side, the holding member 46 that runs through with mounting screw 51 can not suitably form by move mode, be positioned at second mounting hole 48 of original document reading apparatus main body 1 front, form the slot that holding member 46 is moved.Adopt this form of the composition, just can make holding member 46 can be the strong point with the position of running through the mounting screw 51 by first mounting hole 47, and its second mounting hole, 48 sides were shaken in slot 48 range L in being equivalent to as shown in figure 13.
At the second installing component 46b installed surface place that use, side plate 50 that holding member 46 is installed, can also equally spaced be provided with a plurality of, that when adjusting read line, use, that expression holding member position is used pointer 60 with respect to original copy.
If adopt this form of the composition, just can the read line of second reading mechanism 40 be implemented to adjust by following step.
For the read line occasion surperficial inclined, can at first as shown in Figure 1 original copy automatic conveyor 2 be rotated with respect to original copy.Subsequently as shown in Figure 6, make the extruding lid that is arranged on place, automatic manuscript handling device 2 bottom surfaces cover parts 5 bendings, and then with respect to the side plate on the original copy automatic conveyor, take off by with contact the directing assembly 49 that is being oppositely arranged with glass component 41, transmit roll a roll, paper in 36 are discharged the directing assembly 39 that roll constitutes a roll integral body in 37, thereby make installation portion on second reading mechanism 40, be that two installing component 46a, 46b on the holding member 46 expose to the open air out.Under the state that installing component 46a, 46b are exposed to the open air out, slowly unclamp mounting screw 51, making holding member 46 is the strong point to run through the position that is arranged on the mounting screw 51 on first mounting hole 47, and then, its second mounting hole, 48 sides are implemented to adjust by the mode that the pointer 60 that detects by an unaided eye moves.After implementing adjustment, screw mounting screw 51 once more, implement fixing to holding member 46.
Adopt this form of the composition,, also can implement to adjust the tilt condition of read line even after being installed in original copy automatic conveyor 2 on the original document reading apparatus main body 1.And, by getting front on the original document reading apparatus main body 1, or pointer is set as the adjustment side of second reading mechanism 40, implement small adjustment simply.
In aforesaid embodiment, for periphery and then the simple adjustment of enforcement that exposes installing component 46a, 46b in second reading mechanism 40 as much as possible, can make to adjust a roll, the paper discharge roll in 36 constituted directing assembly 39 to a roll integral body in 37, also can adopt the form of the composition that only makes directing assembly 49 be detachable with directing assembly 49, transmission roll.
And, can also adopt directing assembly 39 to be the not form of the composition of detachable, but make its part that can get in the directing assembly implement to rotate, thereby expose the form of the composition of installation portion on second reading mechanism 40 as the strong point.
As shown in Figure 7, another embodiment to the read line method of adjustment describes.Utilize mounting screw 56 that the holding member 46 on second reading mechanism 40 is installed in and adjust plate 55 places, and utilize and to adjust plate 55 as the adjustment bolt 57 of adjustment component and be installed in side plate 50 places on the original copy automatic conveyor 2.An end of adjusting on the bolt 57 is installed in side plate 50 places in mode free to rotate, adjusts the tap that plate 55 supports in a movable manner and crossing on the other end to make.
Rotate to adjust bolt 57 by instruments such as screwdrivers, make and adjust plate 55 and move, and can make that to be installed in the holding member 46 of adjusting plate 55 places be that the strong point shakes with the first installing component 46a.By adopting this form, just can implement to adjust to the read line of second reading mechanism 40.
As shown in Figure 8, the hole 7 adjusted will be formed on the outer dress lid of original copy automatic conveyor and will cover parts 6 places if will be used for adjusting that bolt 57 is implemented to rotate, and can by the outside read line be implemented to adjust by instruments such as screwdriver T.At this moment, as the first installing component 46a that shakes the strong point, can be that state with the fixed position is installed on side plate 50 places with can move freely, yet preferably, the first installing component 46a also adopt and will be formed on the form of the composition that appliance cover covers parts from the hole of external rotating mounting screw.
In aforesaid embodiment, though second reading mechanism be by with automatic focus lens, imageing sensor, Flame Image Process with substrate, light emitting diode (LED) type light source, contact with parts such as glass components, the mode that is installed in the holding member place constitutes this mechanism, yet can all these parts be installed in this mechanism yet, but adopt and the corresponding mode of the device form of the composition, only a part is wherein constituted modular construction.If Flame Image Process can be installed on other parts with glass component etc. with substrate or contact for instance.
Claims (13)
1. image read-out, it comprises:
Place the paper supply tray that original copy is used;
Original copy is carried out the contact glass portion of paper supply from this paper supply tray;
Surface on the original copy that moves on glass portion in described contact is implemented to read first reading mechanism of usefulness;
Take in the paper discharge pallet that the original copy after reading is used;
It is characterized in that this image read-out also comprises:
The original copy drive access, this path comprises and guides to contact with the paper supply passageway of using on the glass portion with being positioned at original copy on the described paper supply tray, and with respect to described contact tilt with glass portion and form rectilinear form, the original copy that reads is mentioned with the glass portion place by described contact and guides to described paper by described first reading mechanism and discharge the paper drain passageway that the pallet place uses;
And be configured in described contact discharge with glass portion and paper between the pallet the described paper drain passageway place of shape linearly, to original copy on another surface implement to read second reading mechanism of usefulness.
2. image read-out as claimed in claim 1, it is characterized in that the described original copy drive access that described paper supply tray is discharged between the pallet to described paper forms the U font, and described second reading mechanism is configured in the place, inboard of described U font drive access.
3. image read-out as claimed in claim 2 is characterized in that described second reading mechanism disposes the automatic focus lens that magnification optical systems such as closing type are used.
4. image read-out, it comprises image read-out body and original copy automatic conveyor,
This image read-out body comprises:
The contact glass portion;
Have and be placed on described contact and implement the function that moves, read with one of the original copy on glass portion surface to static, and first reading mechanism of surface on the original copy that moves on glass portion in described contact being implemented read functions;
This original copy automatic conveyor is installed the end face of described image read-out body in mode to be opened/closed, and this original copy automatic conveyor comprises:
At least lid is covering described contact and is covering mechanism with the lid of the last branch of glass portion;
Place the paper supply tray that original copy is used;
Take in the paper discharge pallet that the original copy after reading is used;
It is characterized in that described original copy automatic conveyor also comprises:
To be positioned at original copy on the described paper supply tray and guide to contact with the paper supply passageway of using on the glass portion;
Be configured in lid cover mechanism top place, move in described contact with glass portion, and will mention with the glass portion place by described contact and guide to described paper by the original copy that described first reading mechanism reads and discharge the paper drain passageway that the pallet place uses;
Be configured in second reading mechanism described paper drain passageway place, that another surface on the original copy implemented to read usefulness;
And be oppositely arranged with described second reading mechanism, the original copy that read by described second reading mechanism is implemented guiding, according to the mode that the original copy reading face on described second reading mechanism can be exposed to the open air out, covering the directing assembly that institution freedom dismounting mode constitutes from described lid.
5. image read-out as claimed in claim 4, it is characterized in that described contact has with glass portion makes described first reading mechanism implement to move to read the first contact glass component that original copy usefulness, that be stationary state is placed, and make described first reading mechanism implement static read usefulness, make original copy use glass component by second contact that described paper supply passageway place passes through, and described lid covers mechanism cover and is covering described first and contact and use glass component.
6. image read-out as claimed in claim 5 is characterized in that described lid covers mechanism and constitutes in the removable mode of the lower portion of described directing assembly at least.
7. image read-out as claimed in claim 4, the front and back position place that it is characterized in that described second reading mechanism on described paper drain passageway, dispose respectively and transmit first roll that original copy uses, and described directing assembly is used for original copy by described first roll guiding to described second roll to locating right with second roll.
8. image read-out as claimed in claim 7, it is characterized in that by with described second reading mechanism on the described guide that is being oppositely arranged of reading face, the reading face side of guide on described second reading mechanism applied the elastic mechanism of elastic reaction, a roll of the described first roll centering, and a roll integral body of the described second roll centering constitutes directing assembly, and this directing assembly is installed covering mechanism side disassembled and assembled freely mode from described lid.
9. image read-out as claimed in claim 4 is characterized in that:
Have and support the supporting mechanism that described second reading mechanism is used;
And described supporting mechanism is can support described reading mechanism along the mode that the original copy direction of transfer freely shakes, so that can implement to adjust along the tilt condition of original copy direction of transfer to described reading mechanism.
10. image read-out as claimed in claim 9, it is characterized in that the original copy automatic conveyor, according to getting rear side on the original image reading device main body, make its front side mode free to rotate be installed in original image reading device main body place as the strong point;
Described supporting mechanism according to rear side one end of described second reading mechanism as the strong point, the mode that the other end of its rear side can freely be shaken along the original copy direction of transfer is supporting described reading mechanism.
11. image read-out as claimed in claim 9 is characterized in that the original copy direction of transfer is provided with the adjustment pointer that mechanism position is read in a plurality of expressions described second.
12. image read-out as claimed in claim 9 is characterized in that being provided with the adjusting mechanism that the tilt condition described second reading mechanism, that adjust the original copy direction of transfer that is being supported by described supporting mechanism is used.
13. image read-out as claimed in claim 12 is characterized in that described adjusting mechanism has to be arranged on adjustment bolt between described second reading mechanism and the described supporting mechanism, that described reading mechanism and described supporting mechanism implemented to be connected usefulness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021031673A CN100351846C (en) | 2002-02-01 | 2002-02-01 | Picture reading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021031673A CN100351846C (en) | 2002-02-01 | 2002-02-01 | Picture reading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1435793A CN1435793A (en) | 2003-08-13 |
| CN100351846C true CN100351846C (en) | 2007-11-28 |
Family
ID=27627758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021031673A Expired - Fee Related CN100351846C (en) | 2002-02-01 | 2002-02-01 | Picture reading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100351846C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5155009B2 (en) * | 2008-05-14 | 2013-02-27 | ニスカ株式会社 | Image reading device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08191366A (en) * | 1995-07-31 | 1996-07-23 | Canon Inc | Image processor |
| JPH09200447A (en) * | 1996-01-12 | 1997-07-31 | Canon Inc | Image reader |
| JPH09205506A (en) * | 1996-01-26 | 1997-08-05 | Ricoh Co Ltd | Digital copying machine |
| CN1202778A (en) * | 1997-06-16 | 1998-12-23 | 夏普公司 | Image-reading method and image-reading apparatus using such method |
| CN1205458A (en) * | 1997-07-11 | 1999-01-20 | 株式会社理光 | Image forming device |
-
2002
- 2002-02-01 CN CNB021031673A patent/CN100351846C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08191366A (en) * | 1995-07-31 | 1996-07-23 | Canon Inc | Image processor |
| JPH09200447A (en) * | 1996-01-12 | 1997-07-31 | Canon Inc | Image reader |
| JPH09205506A (en) * | 1996-01-26 | 1997-08-05 | Ricoh Co Ltd | Digital copying machine |
| CN1202778A (en) * | 1997-06-16 | 1998-12-23 | 夏普公司 | Image-reading method and image-reading apparatus using such method |
| CN1205458A (en) * | 1997-07-11 | 1999-01-20 | 株式会社理光 | Image forming device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1435793A (en) | 2003-08-13 |
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