CN1522867A - Drive equipment for ink-jet printer - Google Patents
Drive equipment for ink-jet printer Download PDFInfo
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- CN1522867A CN1522867A CNA200310124930XA CN200310124930A CN1522867A CN 1522867 A CN1522867 A CN 1522867A CN A200310124930X A CNA200310124930X A CN A200310124930XA CN 200310124930 A CN200310124930 A CN 200310124930A CN 1522867 A CN1522867 A CN 1522867A
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- Prior art keywords
- gear
- feeding
- ink
- shaft
- jet printer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/02—Platens
- B41J11/14—Platen-shift mechanisms; Driving gear therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
- B41J13/02—Rollers
- B41J13/025—Special roller holding or lifting means, e.g. for temporarily raising one roller of a pair of nipping rollers for inserting printing material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J27/00—Inking apparatus
- B41J27/10—Inking apparatus with ink applied by rollers; Ink supply arrangements therefor
- B41J27/12—Rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
- B41J33/14—Ribbon-feed devices or mechanisms
- B41J33/16—Ribbon-feed devices or mechanisms with drive applied to spool or spool spindle
- B41J33/22—Ribbon-feed devices or mechanisms with drive applied to spool or spool spindle by gears or pulleys
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- Handling Of Sheets (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Ink Jet (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Abstract
An ink jet printer driving apparatus is provided to prevent quality of a printed image from being degraded due to difference between transport speeds of a feed roller and a transport roller by not giving power to the transport roller while the feed roller is transporting a paper. An ink jet printer driving apparatus includes a motor(100), a first gear train(120), a second gear train(130), a third gear train(140), a feed roller(110), a transport roller(150), and a pick up roller unit(160). The motor(100) is a power source for driving a driving unit of an ink jet printer. The motor(100) is generally a DC motor. The feed roller(110) receives power from the motor(100) so as to transport a paper to a printing head. The first gear train(120) includes a first swing arm(121), a first gear(122), and a second gear(123). One end part of the first swing arm(121) is assembled such that the end part of the first swing arm(121) freely rotates.
Description
Technical field
The present invention relates to a kind of driving arrangement of ink-jet printer, relate in particular to a kind of driving arrangement that adopts the ink-jet printer of single motor, this equipment intake roller line by line during the feeding paper pick-up roller and feeding-in roll do not start.
Background technology
Usually go out (FIFO) type ink-jet printer before going into before the paper feed direction ink-jet printer identical with the paper delivery direction is called as, this printer has the feeding-in roll that is arranged between pick-up roller and the intake roller, and the paper that picks up is sent to intake roller.
Figure 1 shows that the example of this ink-jet printer.With reference to Fig. 1, this ink-jet printer comprises carton 10, pick-up roller 20, feeding-in roll 30, intake roller 40 and printhead 50.Feeding-in roll 30 rotatable being arranged at over against the position of belt hold roller 31, and by stage clip 32 resiliency supported, thereby apply a predetermined pressure also for feeding-in roll 30.
A plurality of be stacked in the carton 10 paper 11 by pick-up roller 20 and dividing plate 12 page by page separately, the paper 11 after the separation enters between feeding-in roll 30 and the belt hold roller 31 along dividing plate 12.Enter the feeding-in roll 30 that the paper 11 ' between feeding-in roll 30 and the belt hold roller 31 is rotated and be sent to intake roller 40.After entering intake roller 40, paper 11 ' is sent to below the printhead 50 by the rotation that is arranged on the friction roller 41 on the intake roller 40.Paper guide 52 is arranged at below the printhead 50, and paper 11 ' enters between printhead 50 and the paper guide 52.When paper 11 ' was positioned on the paper guide 52, by moving belt 53, printhead 50 sprayed ink along guide post 51, thereby goes up print image at paper 11 '.When printing finished, the paper with printing image thereon was output roller 60 and is transported to the outside.
Intake roller 40 is to paper guide 52 conveyance of sheets 11 ', its amount of feeding can realize that with printer the printhead ink droplet line width of printing is identical, be printed 50 in corresponding line width and stop to carry after printing fully, repeat conveyance of sheets 11 ' (hereinafter referred to as " feeding line by line ") according to this amount of feeding then.Therefore, intake roller 40 is by independent motor-driven, and the anglec of rotation of intake roller 40 is rotated detecting sensor and accurately controls, as rotary encoder.
Yet recently, ink-jet printer has an improvement, is exactly the motor that cancellation drives feeding-in roll 30, increases the power transfer devices (not shown), gives feeding-in roll 30 with the power distribution of intake roller 40, thereby realizes that a motor drives intake roller 40 and feeding-in roll 30 simultaneously.
Even in theory, adopt the feeding-in roll 30 of a motor-driven feeding-in roll 30 and the driving mechanism of the ink-jet printer of intake roller 40 to have identical actuating speed with intake roller 40, but in practice, the speed through the intake roller 40 and the paper of feeding-in roll 30 is but often different.In other words, when paper passed through intake roller 40 and feeding-in roll 30 simultaneously, paper can be subjected to because the pulling force that speed difference produced or the pressure of feeding-in roll 40 and feeding-in roll 30.This be because, the skin-friction coefficient of intake roller 40 and feeding-in roll 30 can not be identical, and machine error, for example power is sent to feeding-in roll 30 by motor also is different with idle running in the intake roller 40 to power transfer devices.
If the paper that intake roller is carried is subjected to the influence of feeding-in roll, convey error for example takes place when the intake roller conveyance of sheets, cause the feeding line by line of intake roller conveyance of sheets not control accurately.Described convey error for example because the different sliding paper that cause between the intake roller of speed between intake roller and the feeding-in roll.If feed rolls can not carry out feeding line by line to paper accurately, print quality will reduce.Therefore, in order to improve the print quality that adopts a motor to drive the ink-jet printer of intake roller and feeding-in roll simultaneously, need carry out paper line by line during feeding, stop, stopping the rotation of feeding-in roll to the feeding-in roll transmitting power at intake roller.
Summary of the invention
Therefore, according to one aspect of the present invention, provide a kind of driving arrangement of ink-jet printer.In this equipment, the paper that is stored in the carton is picked up by pick-up roller, is carried by feeding-in roll and belt hold roller, is printed head during feeding line by line at intake roller afterwards and prints.This driving arrangement comprises: first gear train, be arranged on the paper feed roll shaft that is equipped with intake roller, and the direction of rotation of this train around the paper feed roll shaft along intake roller swung in predetermined angle; Second gear train is arranged on the framework of ink-jet printer, links to each other with first gear train; The 3rd gear train, its front end gear links to each other with the rear end gear of second gear train, its rear end gear is axially disposed within on the paper feeding roll shaft that is equipped with feeding-in roll, and the direction of rotation of the 3rd gear train around the front end gear shaft that is equipped with the front end gear along intake roller swung in predetermined angle; Control module is controlled first gear train and second gear train, makes them be separated from each other when paper enters intake roller, thereby interrupts the driving power of feeding-in roll.
First gear train comprises first rocking arm, and the one end is rotatable to be assemblied on the paper feed roll shaft, and the other end has the second outstanding gear shaft; Being assemblied on the paper feed roll shaft of the first gear integral body rotated with the paper feed roll shaft; Second gear, rotatable being assemblied on second gear shaft is with first gears engaged.
Between the side of second gear and first rocking arm, friction member is set.
This friction member adopts compression spring or curve spring (curve spring).
Second gear train comprises the 3rd gear, rotatable being assemblied in by on the 3rd outstanding on the framework gear shaft, and with the rear end gears engaged of first gear train; The 4th gear rotates with the 3rd gears engaged.
The 3rd gear train comprises second rocking arm, and the one end is rotatable to be assemblied on the paper feeding roll shaft that is equipped with feeding-in roll, and the other end has the 5th outstanding gear shaft; The 6th gear, whole is assemblied on the paper feeding roll shaft, rotates with the paper feeding roll shaft; The 5th gear, rotatable being assemblied on the 5th gear shaft with the 6th gears engaged, receives the revolving force that is transmitted by the second gear train rear end gear.
Between the side of the 6th gear and second rocking arm, a friction member is set.
On the gear of the rear end of the 3rd gear train, also have the 7th gear with its engagement, when feeding-in roll contacts with belt hold roller, paper sheet delivery to intake roller.
Side at the 7th gear is provided with friction member.
The 3rd gear train comprises a plurality of support arms, the two ends of the paper feeding roll shaft of rotatable support feeding-in roll; Outstanding axle connects above-mentioned a plurality of support arm; The front end gear, a rotatable end that is assemblied in outstanding axle, and with the rear end gears engaged of second train; The rear end gear, whole is assemblied on the sheet feed shaft, therewith rotation.
According to another embodiment of the present invention, in the driving arrangement of this ink-jet printer, the paper that stacks, is carried by feeding-in roll and belt hold roller by picking up in the carton by pick-up roller, is printed the head printing in the feeding line by line at intake roller.This equipment comprises: motor; Reduction gearing is slowed down to motor; The paper feed gear is arranged on an end of the paper feed roll shaft that is equipped with intake roller, meshes with reduction gearing; A plurality of first gear trains are arranged on paper feed roll shaft both sides, and described a plurality of first gear trains are swung in predetermined angle around intake roller along paper feed roll shaft direction of rotation; A plurality of second gear trains with the rear end gears engaged of a plurality of first gear trains, are used for transmitting the revolving force of paper feed roll shaft; A plurality of the 3rd gear trains, the one end links to each other with the rear end gear of a plurality of second gear trains, the other end axially is connected with the paper feeding roll shaft that is equipped with feeding-in roll, and the direction of rotation of described a plurality of the 3rd gear trains around the front end gear shaft that is equipped with the front end gear along intake roller swung in predetermined angle; Pick up axle, on the whole front end gear that is assemblied in a plurality of second gear trains, therewith rotation; The pick-up roller unit, the one end is assemblied in to be picked up on the axle, the other end is pressed on the upper surface that is stored in the paper in the carton, when intake roller along direction when rotation that paper is sent to printhead, first gear train is separated with second gear train, thereby prevent the rotation of pick-up roller unit, the feeding-in roll that axially is connected on the front end gear of the 3rd gear train rotates around the front end gear shaft of the 3rd gear train, thereby separates with pinch roller.
According to the driving arrangement of ink-jet printer of the present invention, this ink-jet printer uses a motor-driven intake roller and feeding-in roll, owing to when intake roller feeding paper, do not transmit power to feeding-in roll, so do not produce convey error.
According to other aspects and advantages of the present invention, will illustrate by following description, perhaps by apparent in the following description, perhaps in practical application of the present invention and draw.
Description of drawings
Above-mentioned aspect of the present invention and advantage or other aspect and advantage will be by clearer below in conjunction with the accompanying drawing description of preferred embodiments.
Fig. 1 is the sectional side schematic diagram, illustrates the structure of the ink-jet printer that comprises conventional ADS driving equipment;
Fig. 2 is a perspective view, illustrates the driving arrangement according to ink-jet printer of the present invention;
Fig. 3 is the part perspective view, illustrates first gear train of the driving arrangement that is arranged on ink-jet printer as shown in Figure 2 and the position of the friction member on the 3rd gear train;
Fig. 4 is a sectional view, illustrates the driving arrangement of ink-jet printer as shown in Figure 2, and intake roller is the gear train during the feeding paper line by line;
Fig. 5 is a sectional view, illustrates the driving arrangement of ink-jet printer as shown in Figure 2, and the gear train when intake roller is picked up and carried to paper;
Fig. 6 is a perspective view, illustrates the driving arrangement according to the ink-jet printer of another embodiment of the present invention;
Fig. 7 is the control module structure chart according to ink-jet printer of the present invention;
Fig. 8 is a flow chart, illustrates the conveyance of sheets method according to the driving arrangement of ink-jet printer of the present invention.
The specific embodiment
To do detailed introduction to the preferred embodiments of the present invention below, the example of embodiment illustrates in the accompanying drawings, and wherein identical parts adopt identical Reference numeral all the time.In order to explain the present invention, embodiments of the invention are described with reference to the accompanying drawings.
Below in conjunction with the driving arrangement of accompanying drawing detailed description according to the ink-jet printer of embodiments of the invention.
With reference to Fig. 2, comprise according to the driving arrangement 1 of ink-jet printer of the present invention: motor 100, intake roller 110, the first gear trains 120, the second gear train 130, the three gear trains 140, feeding-in roll 150 and pick-up roller unit 160.
Motor 100 is power sources of ink-jet printer driving arrangement, adopts direct current generator usually.
For the power with motor 100 is sent to intake roller 110, between motor and intake roller 110, has reduction gearing 102.This reduction gearing 102 have belt pulley and with the integrally formed gear of this belt pulley, the diameter of the belt pulley of reduction gearing is greater than the diameter that is assemblied in the belt pulley (not shown) on 100 in the motor, thus with the rotation of motor 100 output of slowing down.In addition, the gear (not shown) of reduction gearing 102 and 112 engagements of paper feed gear, thus the rotation of motor 100 is sent to paper feed gear 112.The diameter of paper feed gear 112 is greater than the diameter of the gear of reduction gearing 102, thereby the rotary speed that will be sent to paper feed gear 112 reduces once more.
By the power that is received by motor 100, intake roller 110 is fed into printhead 50 times (Fig. 1) line by line with paper to begin to print.Intake roller 110 is centered around around the paper feed roll shaft 111, and above-mentioned paper feed gear 112 is positioned at an end of paper feed roll shaft 111.In the outside of paper feed roll shaft 111, an encoder (encoder) 113 that is used to detect intake roller 110 rotations is set.The two ends of paper feed roll shaft 111 all are printed the machine frame (not shown) and support.This frame shell, portion supports carton 10 (Fig. 1) within it, and supports other movable piece, as paper feed roll shaft 111 or printhead, makes them can be maintained fixed mutual position and stable work.
The quantity of second gear train 130 may change according to the quantity of first gear train 120, also can be according to the quantity of first train 120 of embodiment mentioned above and comprise two second gear trains.When having two second gear trains, two the 3rd gears 131 are separately positioned on the two ends of picking up axle 135, pick up the rotation of axle 135 and are supported by the framework of ink-jet printer.
The 3rd gear train 140 comprises second rocking arm, 141, the five gears 142 and the 6th gear 144.One end of second rocking arm 141 is rotatable freely to be installed in around the paper feeding roll shaft 151, and the other end has the 5th outstanding gear shaft 143.In addition, the 5th gear shaft 143 is by framework 105 rotatable supports.The 5th gear 142 is rotatable freely to be installed in around the 5th gear shaft 143, and with the 4th gear 133 engagement of second gear train 130.144 integral installations of the 6th gear together rotate itself and paper feeding roll shaft 151 in an end of paper feeding roll shaft 151, and mesh with the 5th gear 142.Therefore, when a certain angle of the 5th gear 142 rotations, 144 rotations of the 6th gear, second rocking arm 141 is swung predetermined angular around the 5th gear shaft 143 on the direction of rotation of the 5th gear 142.When the 5th gear 142 rotates round about, second rocking arm 141 is the predetermined angle of swing in the opposite direction also.That is to say that second rocking arm 141 is swung in predetermined angular range according to the rotation of the 5th gear 142.In order to guarantee the swing of second rocking arm 141 that the 5th gear 142 drives, between the 6th gear 144 and second rocking arm 141, friction member 145 (as Fig. 3) is set.This friction member 145 adopts compression spring or curve spring, to apply predetermined pressure to the 6th gear 144.Though the 3rd gear train 140 comprises two gears in this description, in fact the 3rd gear train can comprise 3 or more gear.In the structure of the 3rd gear train that comprises 3 or more gear, the 5th above-mentioned gear 142 is corresponding to the front end gear of the 3rd gear train, and the 6th gear 144 is corresponding to the rear end gear of third round system.Except being provided with the idler gear between front end gear and rear end gear, other structure is identical with previously described first gear train.
The quantity of the 3rd gear train 140 can change according to the quantity of first gear train 120 and second gear train 130, but in above-mentioned preferred embodiment, corresponding to first gear train 120 and second gear train, 130 quantity, two second gear trains is set.When two second gear trains 130 were set, two the 6th gears 144 were separately positioned on the two ends of paper feeding roll shaft 151.
Feeding-in roll 150 contacts with belt hold roller 155, carries the paper of being picked up by pick-up roller 165, and paper is sent to intake roller 110 through feeding-in roll 150 and belt hold roller 155.Assembling the 6th gear 144 that being installed on the paper feeding roll shaft 151 of feeding-in roll 150 integral body, the two ends of paper feeding roll shaft 151 are whole respectively.In addition, an end of second rocking arm 141 is assemblied in the position between the 6th gear 144 and feeding-in roll 150 on the paper feeding roll shaft 151, even and also do not rotate when being set to 151 rotations of paper feeding roll shaft.Therefore, when 142 rotations of the 5th gear, 144 rotations of the 6th gear, thus drive paper feeding roll shaft 151 and feeding-in roll 150 rotate together, and wherein paper feeding roll shaft 151 is supported by an end of second rocking arm 141.When 142 rotations of the 5th gear, second rocking arm 141 is swung up and down around the 5th gear shaft 143, thereby raises and reduction feeding-in roll 150.When feeding-in roll 150 relative the 5th gear shafts 143 raise, conflict mutually with belt hold roller 155, thereby contact with belt hold roller 155 rotations.
With reference to Fig. 3, when second rocking arm 141 shakes time-out, feeding-in roll 150 contacts with belt hold roller 155, and the 7th gear 170 and third round are that 140 the 6th gear 144 is meshed.The 7th gear 170 is assemblied on the paper feeding roll shaft 151 six gear 144 relative with the 5th gear 142 and is meshed with whole, the 6th gear 144 between the 7th gear 170 and the 5th gear 142, thereby prevent that feeding-in roll 150 from causing owing to its deadweight with the separating of belt hold roller 155.Thereby the friction member 171 (Fig. 3) that the 7th gear 170 is set at the 7th gear 170 1 sides supports, and makes the 7th gear 170 can support the weight of feed roller 150.Friction member 171 also uses compression spring or curve spring, and is identical with the previously described friction member that is applied in first rocking arm 121 and second rocking arm 141.The quantity of the 7th gear 170 is determined by the quantity of corresponding the 3rd gear train 140.
With reference to Fig. 2, pick-up roller unit 160 receives the power from motor 100, be stored among the carton 10 paper 11 page by page separately, and the page or leaf that will loose is transported to feeding-in roll 150.Pick-up roller unit 160 comprises picks up gear 161, is assemblied in to pick up on the axle 135 and therewith rotation; Upper casing 162, inside are provided with a plurality of gears; Lower casing 163 is assemblied in an end of upper casing 162, to rotate freely; Pick-up roller 165 is assemblied in the lower end of lower casing 163.Working in the following manner in pick-up roller unit 160, when picking up axle 135 rotations, picks up gear 161 and begin rotation, thereby be positioned at the gear rotation of upper casing 162 and lower casing 163, thereby drive pick-up roller 165 rotations again.In addition, because pick-up roller unit 160 is connected by the rotatable pick-up roller support arm 166 that is installed on framework, upper casing 162 and the lower casing 163, even so when the height of the paper 11 in being stored in carton 10 is lower than the height of pick-up roller 165 paper feeds, because its deadweight, pick-up roller 165 also can guarantee to contact with the paper 11 of the top.
With reference to Fig. 7, control module 201 is used to control the direction of rotation of motor 100.This control module 201 is controlled the direction of rotation of motor 100 according to the signal that is received by paper sensor 203.Control module 201 is also controlled printhead 205.In Fig. 7, Reference numeral 207 indication interface units, Reference numeral 210 indication computers.
The operating process of the driving arrangement of the ink-jet printer with said structure is described with reference to Fig. 2-5 below.
Fig. 4 illustrates at the intake roller schematic cross-section of the driving arrangement of the ink-jet printer during the feeding paper line by line.When intake roller 110 when feeding is finished line by line, motor 100 reverse rotations, intake roller 110 is to the rightabout rotation of paper sheet delivery, thus the intake roller 110 that turns clockwise (arrow A among Fig. 4).When motor 100 reversings, being rotated in of motor 100 is sent to gear 112 after reduction gearing 102 reduces speed.When 112 rotations of paper feed gear, the paper feed roll shaft 111 that axially is connected with paper feed gear 112 also turns clockwise.When paper feed roll shaft 111 turned clockwise, first gear 122 also turned clockwise, and was rotated counterclockwise thereby drive second gear 123.So, first rocking arm 121 also turns clockwise (arrow D among Fig. 4), makes second gear 123 and the 3rd gear 131 mesh.
When second gear 123 and the engagement of the 3rd gear 131, the power of motor 100 is sent on the 3rd gear 131, thereby drives the 3rd gear 131, when 131 rotations of the 3rd gear, drives whole being assemblied in and picks up axle 135 rotations on the 3rd gear.Owing to pick up the rotation of axle 135, pick up gear 161 rotations, therefore rotation is sent to pick-up roller 165 by the gear of upper casing 162 and lower casing 163 inside, and pick-up roller 165 is rotated counterclockwise.When pick-up roller 165 is rotated counterclockwise, the friction drive that the paper 11 of being pressed by pick-up roller 165 is positioned between paper 11 and the pick-up roller 165 is slided on the direction shown in the arrow C, and uppermost paper is transported to feeding-in roll 150 after being separated by dividing plate 12 with other paper.
In addition, when second gear 123 and the 3rd gears engaged, the power of second gear 123 is delivered on the 4th gear 133 through the 3rd gear 131.When 133 rotations of the 4th gear, the 5th gear 142 that meshes forever with the 4th gear 133 also begins rotation.If second gear 123 is rotated counterclockwise, then the 5th gear 142 turns clockwise.
When the 5th gear 142 turns clockwise, be rotated counterclockwise with the 6th gear 144 of the 5th gears engaged, because second rocking arm 141 turns clockwise around the 5th gear shaft 143, feeding-in roll 150 upwards rotates so.Owing to making progress, second rocking arm 141 stops (Fig. 5) when the feeding-in roll 150 that rotates contacts with belt hold roller 155.Because the 6th gear 144 is driven by the 5th gear 142 and continues rotation in this case, feeding-in roll 150 continues rotation in contact pinch roller 155 backs, is sent to intake roller 110 thereby will be picked up the paper 11 ' that enters between feeding-in roll 150 and the belt hold roller 155 by pick-up roller 165.In this process, the conveyance of sheets 11 ' that feeding-in roll 150 and belt hold roller 155 can be stable, and be not separated from each other, this is because the 6th gear 144 of second rocking arm 141 is supported by the 7th gear 170.
When paper 11 ' is transported between intake roller 110 and the friction member 41 by feeding-in roll 150 (Fig. 1), the controlled unit 201 of the rotation direction of motor 100 changes, thereby intake roller 110 is rotated counterclockwise (dotted arrow B among Fig. 4), thereby paper 11 ' is transported to below the printhead 50.(Fig. 1) when intake roller 110 is rotated counterclockwise, first gear 122 that is arranged on paper feed roll shaft 111 1 ends is rotated counterclockwise, and turns clockwise thereby drive second gear 123.At this moment, by the reverse rotation of second gear, first rocking arm 121 counter-clockwise swing on paper feed roll shaft 111, thereby second gear 123 separates (Fig. 4) with the 3rd gear 131.When second gear 123 separated with the 3rd gear 131, the power of motor 100 just can not be sent on the 3rd gear 131, and therefore the pick-up roller 165 that is connected on the 3rd gear 131 does not rotate.In addition, when the 3rd gear 131 does not rotate, drive the 5th gear 142 that second rocking arm 141 does to turn clockwise and also stop the rotation, thereby, because deadweight second rocking arm 141 of feeding-in roll 150 begins to be rotated counterclockwise.When second rocking arm 141 was rotated counterclockwise, feeding-in roll 150 separated with belt hold roller 155.
As indicated above, when motor 100 with the rotation of direction and intake roller 110 line by line during the feeding paper, feeding-in roll 150 and pick-up roller 165 do not rotate, otherwise, when motor 100 counter-rotatings, feeding-in roll 150 and pick-up roller 165 rotations, thus the paper 11 that will be stored in the carton 10 is picked up and is carried to intake roller 110.Therefore, the conveying mistake that difference caused owing to feeding-in roll 150 and intake roller 110 rotary speeies can not take place.
Below in conjunction with Fig. 7, Fig. 8 introduction control according to the direction of rotation of 201 pairs of motors 100 of control module of driving arrangement of the present invention.
According to print command, at first, control module 201 control motors 100 are according to making pick-up roller 165 pick up the direction rotation (1100) of paper.Therefore, when beginning to transmit power owing to the driving of motor 100, the paper of picking up is sent to feeding-in roll 150.
When paper arrived intake roller 110, paper sensor 203 detected paper and enters intake roller 110, and inputs to control module 201 (1200).At this moment, control module 201 control motor 100 reverse rotations (1300).When the direction of rotation of motor 100 changed, power transmitted according to described mode above, makes power interrupt at feeding-in roll 150 and pick-up roller 165 places, this moment intake roller 110 according to paper line by line the direction of feeding be driven.
Passed intake roller 110 (1400) when the paper of feeding is line by line detected by paper sensor, control module 201 determines whether to also have other print command (1500), if also have, continues 1100 operations.If when not having print command, control module 201 shut-down operations.
Described a kind of driving arrangement of ink-jet printer hereinbefore, the structure of this equipment is, connects two axles that are set at second rocking arm at feeding-in roll two ends and interferes mutually with the pick-up roller unit, and this picks up the unit according to connect mentioned abovely.
Relate to a kind of driving arrangement of ink-jet printer according to an alternative embodiment of the invention, in the structure of this equipment, the axle that connects two second rocking arms as indicated above is not interfered mutually with the pick-up roller unit.Fig. 6 is the example of this driving arrangement.
With reference to Fig. 6, the driving arrangement according to the ink-jet printer of an alternative embodiment of the invention comprises intake roller 110, the first gear trains 120, the second gear train 130, the three gear trains 140 ', feeding-in roll 150 and pick-up roller unit 160 '.
The 3rd gear train 140 ' comprises two support arms 146, outstanding axle 147, the five gears 142, the six gears 144.One end of support arm 146 is assemblied on the paper feeding roll shaft 151, can rotate freely, the other end be assemblied in the whole outstanding axle 147 that combines of two support arms 146 on.That is to say that paper feeding roll shaft 151 is assembled in a unlimited side of the open frame of being made up of two support arms 146, outstanding axle 147 is a rectangular shape.In addition, projecting teeth wheel shaft 148 is positioned at the outside of two support arms 146, and projecting teeth wheel shaft 148 is by the framework 105 rotatable supports of ink-jet printer.The 5th gear 142 and the 6th gear 144 are assembled on the support arm 146 of the side that power was sent to of motor 100.The 5th gear 142 rotatable being installed on gear shaft 148 outwards outstanding on the support arm 146; Being assemblied on the paper feeding roll shaft 151 of the 6th gear 144 integral body, with paper feeding roll shaft 151 rotation, and with the 5th gears engaged.Therefore, when the 5th gear rotated, the 6th gear 144 also rotated, and support arm 146 is according to the direction of rotation rotation of the 5th gear 142 around outstanding axle 147.
Because identical, will be omitted about the detailed description of first gear train 120 and second gear train, 130 structures in the structure of a last embodiment who described.
The structure that pick-up roller unit 160 ' is had, even in carton 10 in the quantity maximum of stored paper 11, pick-up roller 165 is not also interfered (Fig. 3) with outstanding axle 147 mutually.In the present embodiment, pick up gear 161, pick up axle 135 and pick-up roller 165 interconnects by the gear casing 168 that is shaped point-blank.Therefore, when picking up axle 135 rotations, pick up gear 161 rotations, thereby by 165 rotations of the gear driven pick-up roller in the gear casing 168.When the height of the paper 11 that stores less than pick-up roller 165, pick-up roller 165 is because its deadweight reduces height, thus the contacting of maintenance always and paper 11.
Except the quantity of first gear train, second gear train and the 3rd gear train 140 ' is different, swing at first rocking arm 121 by first gear train 120 transmits on the method for power to feeding-in roll 150 and pick-up roller 165, is identical according to second embodiment of the driving arrangement of the ink-jet printer of being invented with first embodiment.Therefore, the detailed description of second embodiment also is omitted.
According to the driving arrangement of ink-jet printer of the present invention,, thereby avoided because the different convey errors that cause of the rotary speed of feeding-in roll 150 and intake roller 110 because feeding-in roll carries out in the process of feeding line by line not conveyance of sheets at intake roller.Therefore, also avoided because the deterioration of the print quality that convey error caused.
Though above only narrated several embodiments of the present invention, those skilled in the art can make variation to the foregoing description under the premise without departing from the spirit of the present invention, and scope of the present invention is determined by appended claim.
Claims (32)
1. the driving arrangement of an ink-jet printer comprises: framework, and the paper that is stored in framework in the carton is picked up by pick-up roller, is carried by feeding-in roll and belt hold roller, is printed head during feeding line by line at intake roller afterwards and prints, and this driving arrangement comprises:
First gear train is arranged on the paper feed roll shaft that is equipped with intake roller, and the direction of rotation of this gear train around the paper feed roll shaft along the paper feed roll shaft swung in predetermined angle;
Second gear train is arranged on the framework of ink-jet printer, links to each other with first gear train;
The 3rd gear train, its front end gear links to each other with the rear end gear of second gear train, its rear end gear is arranged on the paper feeding roll shaft that is equipped with feeding-in roll coaxially, and the direction of rotation of the 3rd gear train around the front end gear shaft that is equipped with the front end gear along intake roller swung in predetermined angle;
Control module is controlled first gear train and second gear train, makes them be separated from each other when paper enters intake roller, thereby interrupts the driving power of feeding-in roll.
2. the driving arrangement of ink-jet printer as claimed in claim 1 is characterized in that, described first gear train comprises:
First rocking arm, one end rotatably are assemblied on the paper feed roll shaft, and the other end has the second outstanding gear shaft;
First gear, integral installation are assigned on the paper feed roll shaft, and together rotate with the paper feed roll shaft;
Second gear rotatably is assemblied on second gear shaft, with first gears engaged.
3. the driving arrangement of ink-jet printer as claimed in claim 2 is characterized in that: between the side of second gear and first rocking arm friction member is set.
4. the driving arrangement of ink-jet printer as claimed in claim 3 is characterized in that: described friction member employing compression spring or curve spring.
5. the driving arrangement of ink-jet printer as claimed in claim 1 is characterized in that, described second gear train comprises:
The 3rd gear, rotatable being assemblied in by on the 3rd outstanding on the framework gear shaft, and with the rear end gears engaged of first gear train;
The 4th gear and rotates after the 3rd gears engaged.
6. the driving arrangement of ink-jet printer as claimed in claim 1 is characterized in that, described the 3rd gear train comprises:
Second rocking arm, one end rotatably are assemblied on the paper feeding roll shaft that is equipped with feeding-in roll, and the other end has the 5th outstanding gear shaft;
The 6th gear, whole is assemblied on the paper feeding roll shaft, rotates with the paper feeding roll shaft;
The 5th gear rotatably is assemblied on the 5th gear shaft, with the 6th gears engaged, receives the revolving force that is transmitted by the second gear train rear end gear.
7. the driving arrangement of ink-jet printer as claimed in claim 6 is characterized in that: between the side of the 6th gear and second rocking arm friction member is set.
8. the driving arrangement of ink-jet printer as claimed in claim 6, it is characterized in that: also comprise the 7th gear, the time marquis in that feeding-in roll contacts with belt hold roller with the rear end gears engaged of the 3rd gear train, thereby is sent to intake roller with paper.
9. the driving arrangement of ink-jet printer as claimed in claim 8, it is characterized in that: friction member is arranged on a side of the 7th gear.
10. the driving arrangement of ink-jet printer as claimed in claim 1 is characterized in that, the 3rd gear train comprises:
A plurality of support arms, the two ends of the paper feeding roll shaft of rotatable support feeding-in roll;
Outstanding axle connects above-mentioned a plurality of support arm;
The front end gear, a rotatable end that is assemblied in outstanding axle, and with the rear end gears engaged of second train;
The rear end gear, whole is assemblied on the sheet feed shaft, therewith rotation.
11. the driving arrangement of an ink-jet printer, in this equipment, the paper that is stored in the carton is picked up by pick-up roller, is carried by feeding-in roll and belt hold roller, is printed head during feeding line by line at intake roller afterwards and prints, and this driving arrangement comprises:
Motor;
Reduction gearing is slowed down to motor;
The paper feed gear is arranged on an end of the paper feed roll shaft that is equipped with intake roller, meshes with reduction gearing;
A plurality of first gear trains are arranged on paper feed roll shaft both sides, and described a plurality of first gear trains are swung in predetermined angle around the paper feed gear along paper feed gear shaft direction of rotation;
A plurality of second gear trains with the rear end gears engaged of a plurality of first gear trains, are used for transmitting the revolving force of paper feed roll shaft;
A plurality of the 3rd gear trains, comprise the front end gear, the one end links to each other with the rear end gear of a plurality of second gear trains, the other end axially is connected with the paper feeding roll shaft that is equipped with feeding-in roll, and the direction of rotation of described a plurality of the 3rd gear trains around the front end gear shaft that is equipped with the front end gear along intake roller swung in predetermined angle;
Pick up axle, on the whole front end gear that is assemblied in a plurality of second gear trains, therewith rotation;
Pick-up roller unit, one end are assemblied in to be picked up on the axle, and the other end is pressed on the upper surface that is stored in the paper in the carton,
When intake roller along direction when rotation that paper is sent to printhead, first gear train is separated with second gear train, thereby prevent the rotation of pick-up roller unit, the feeding-in roll that axially is connected on the front end gear of the 3rd gear train rotates around the front end gear shaft of the 3rd gear train, thereby separates with pinch roller.
12. the driving arrangement of ink-jet printer as claimed in claim 11 is characterized in that, at least one first gear train comprises:
First rocking arm, the one end is rotatable to be assemblied on the paper feed roll shaft, and the other end has the second outstanding gear shaft;
First gear, whole is assemblied on the paper feed roll shaft, and rotates with this paper feed roll shaft;
Second gear, rotatable being assemblied on second gear shaft is with first gears engaged.
13. the driving arrangement of ink-jet printer as claimed in claim 12 is characterized in that: between the side of second gear and first rocking arm, friction member is set.
14. the driving arrangement of ink-jet printer as claimed in claim 13 is characterized in that: described friction is wiped part and is adopted compression spring or curve spring.
15. the driving arrangement of ink-jet printer as claimed in claim 11 is characterized in that, at least one second gear train comprises:
The 3rd gear, rotatable being assemblied in by on the 3rd outstanding on the framework gear shaft, and with the rear end gears engaged of first gear train;
The 4th gear rotates with the 3rd gears engaged.
16. the driving arrangement of ink-jet printer as claimed in claim 11 is characterized in that, at least one the 3rd gear train comprises:
Second rocking arm, the one end is rotatable to be assemblied on the paper feeding roll shaft that is equipped with feeding-in roll, and the other end has the 5th outstanding gear shaft;
The 6th gear, whole is assemblied on the paper feeding roll shaft, rotates with the paper feeding roll shaft;
The 5th gear, rotatable being assemblied on the 5th gear shaft with the 6th gears engaged, receives the revolving force that is transmitted by the second gear train rear end gear.
17. the driving arrangement of ink-jet printer as claimed in claim 16 is characterized in that: between the side of the 6th gear and second rocking arm, friction member is set.
18. the driving arrangement of ink-jet printer as claimed in claim 16 is characterized in that: also comprise the 7th gear, the time marquis in that feeding-in roll contacts with belt hold roller with the rear end gears engaged of the 3rd gear train, thereby is sent to intake roller with paper.
19. the driving arrangement of ink-jet printer as claimed in claim 18 is characterized in that: the side at the 7th gear is provided with friction member.
20. the driving arrangement of ink-jet printer as claimed in claim 11 is characterized in that, at least one the 3rd gear train comprises:
A plurality of support arms, the two ends of the paper feeding roll shaft of rotatable support feeding-in roll;
Outstanding axle connects above-mentioned a plurality of support arm;
The front end gear, a rotatable end that is assemblied in outstanding axle, and with the rear end gears engaged of second train;
The rear end gear, whole is assemblied on the sheet feed shaft, therewith rotation.
21. the driving arrangement of an ink-jet printer, supply with according to following step at this equipment medium power, the paper that is stored in the carton is picked up by pick-up roller, is carried by feeding-in roll and belt hold roller, intake roller on the paper feed roll shaft is printed head line by line during feeding and prints afterwards, and this driving arrangement comprises:
First gear train comprises the rear end gear, and this gear train is driven in rotation along first direction and the second direction around the paper feed roll shaft;
Second gear train comprises the rear end gear, and this gear train is positioned on the framework of ink-jet printer and is connected with first gear train, is used to transmit power;
The 3rd gear train comprises the front end gear, and this gear train links to each other with the rear end gear of second train, and the rear end gear is coaxial to be arranged on the paper feeding roll shaft, is driven in rotation along first direction and second direction around the front end gear shaft;
Control module is used to control the direction of rotation of first gear train, causes first gear train and second gear train separately, thereby interrupts the power of second gear train is carried.
22. the driving arrangement of ink-jet printer as claimed in claim 21 is characterized in that, described first gear train comprises:
First rocking arm, the one end is rotatable to be assemblied on the paper feed roll shaft, and the other end has the second outstanding gear shaft;
First gear, whole is assemblied on the paper feed roll shaft, and rotates with this paper feed roll shaft;
Second gear, rotatable being assemblied on second gear shaft is with first gears engaged.
23. the driving arrangement of ink-jet printer as claimed in claim 22 is characterized in that: between the side of second gear and first rocking arm, friction member is set.
24. the driving arrangement of ink-jet printer as claimed in claim 23 is characterized in that: described friction is wiped part and is adopted compression spring or curve spring.
25. the driving arrangement of ink-jet printer as claimed in claim 21 is characterized in that, also comprises the 3rd gear shaft, described second gear train comprises:
The 3rd gear, rotatable being assemblied in by on the 3rd outstanding on the framework gear shaft, and with the rear end gears engaged of first gear train;
The 4th gear rotates with the 3rd gears engaged.
26. the driving arrangement of ink-jet printer as claimed in claim 21 is characterized in that, also comprises the paper feeding roll shaft that is equipped with feeding-in roll, the 5th gear shaft, and described the 3rd gear train comprises:
Second rocking arm, the one end is rotatable to be assemblied on the paper feeding roll shaft that is equipped with feeding-in roll, and the other end has the 5th outstanding gear shaft;
The 6th gear, whole being assemblied on the paper feeding roll shaft rotated;
The 5th gear, rotatable being assemblied on the 5th gear shaft with the 6th gears engaged, receives the revolving force that is transmitted by the second gear train rear end gear.
27. the driving arrangement of ink-jet printer as claimed in claim 26 is characterized in that: between the side of the 6th gear and second rocking arm, friction member is set.
28. the driving arrangement of ink-jet printer as claimed in claim 26 is characterized in that: also comprise the 7th gear, the time marquis in that feeding-in roll contacts with belt hold roller with the rear end gears engaged of the 3rd gear train, thereby is sent to intake roller with paper.
29. the driving arrangement of ink-jet printer as claimed in claim 28 is characterized in that: the side at the 7th gear is provided with friction member.
30. the driving arrangement of ink-jet printer as claimed in claim 21 also comprises the paper feeding roll shaft that is connected with feeding-in roll, described the 3rd gear train comprises:
A plurality of support arms, the two ends of the paper feeding roll shaft of rotatable support feeding-in roll;
Outstanding axle connects above-mentioned a plurality of support arm;
The front end gear, a rotatable end that is assemblied in outstanding axle, and with the rear end gears engaged of second train, described rear end gear, whole is assemblied on the sheet feed shaft with the rotation sheet feed shaft.
31. one kind with the selectable method of distributing to picking up in the ink-jet printer driving arrangement, feeding-in roll and intake roller of power, equipment has motor, and this method comprises:
According to first instruction, control motor rotation, with first revolving force transmit to pick up, feeding-in roll;
At predetermined instant, change the direction of rotation of motor, second revolving force is transmitted to intake roller, this moment first revolving force no longer transmit to pick up, feeding-in roll;
The operation intake roller;
After the operation intake roller finishes, determine whether to send second instruction.
32. as method as described in the claim 31, it is characterized in that: described operation comprises passes intake roller feeding paper line by line.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR76124/2002 | 2002-12-03 | ||
| KR76124/02 | 2002-12-03 | ||
| KR10-2002-0076124A KR100441503B1 (en) | 2002-12-03 | 2002-12-03 | Drive apparatus for ink jet printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1522867A true CN1522867A (en) | 2004-08-25 |
| CN1299916C CN1299916C (en) | 2007-02-14 |
Family
ID=34309331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200310124930XA Expired - Fee Related CN1299916C (en) | 2002-12-03 | 2003-11-15 | Drive equipment for ink-jet printer |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100441503B1 (en) |
| CN (1) | CN1299916C (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828296A (en) * | 2015-04-26 | 2015-08-12 | 潘阿海 | Traction device for packaging equipment |
| CN105172389A (en) * | 2015-09-09 | 2015-12-23 | 宁波荣大昌办公设备有限公司 | Control system and method for paper feeding and printing of printer |
| CN108466484A (en) * | 2018-05-28 | 2018-08-31 | 深圳市全印图文技术有限公司 | Digital printer |
| CN108688347A (en) * | 2017-03-29 | 2018-10-23 | 精工爱普生株式会社 | Recording device |
| CN109130530A (en) * | 2017-11-30 | 2019-01-04 | 深圳市思乐数据技术有限公司 | Lottery ticket printing terminal |
| JP2019014241A (en) * | 2017-07-04 | 2019-01-31 | キヤノンファインテックニスカ株式会社 | Recording device |
| CN112406320A (en) * | 2020-10-28 | 2021-02-26 | 上海汉图科技有限公司 | Cutter, paper feeding shaft forming device and forming method thereof |
| CN114072289A (en) * | 2019-07-31 | 2022-02-18 | 惠普发展公司，有限责任合伙企业 | Automatic document feeder driven by serpentine belt |
| WO2023071838A1 (en) * | 2021-10-26 | 2023-05-04 | 林锦毅 | Control structure and control method for paper feed roller and printing device |
| US11796952B2 (en) | 2019-04-30 | 2023-10-24 | Hewlett-Packard Development Company, L.P. | Automatic document feeder with automated media tray extender |
| US11825048B2 (en) | 2019-08-02 | 2023-11-21 | Hewlett-Packard Development Company, L.P. | Rotatable media ramp for automatic document feeder |
| US11827480B2 (en) | 2019-07-31 | 2023-11-28 | Hewlett-Packard Development Company, L.P. | Automatic document feeder with automated media tray |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101942659B1 (en) * | 2017-09-22 | 2019-01-29 | 프리닉스(주) | Rack and pinion for portable thermal sublimation printer |
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| US5226743A (en) * | 1991-04-16 | 1993-07-13 | Hewlett-Packard Company | Method and apparatus for paper control in a printer |
| JPH061493A (en) * | 1992-06-19 | 1994-01-11 | Canon Inc | Recording device |
| KR100211795B1 (en) * | 1996-11-08 | 1999-08-02 | 윤종용 | Driving device for subsidiary sheet feeding device of laser beam printer |
| JP2972680B2 (en) * | 1997-12-03 | 1999-11-08 | 甲府日本電気株式会社 | Paper transport device |
| JPH11334935A (en) * | 1998-05-26 | 1999-12-07 | Canon Inc | Sheet feeder and image forming device |
| JP3689582B2 (en) * | 1999-03-11 | 2005-08-31 | キヤノン株式会社 | Image recording device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828296A (en) * | 2015-04-26 | 2015-08-12 | 潘阿海 | Traction device for packaging equipment |
| CN105172389A (en) * | 2015-09-09 | 2015-12-23 | 宁波荣大昌办公设备有限公司 | Control system and method for paper feeding and printing of printer |
| CN108688347A (en) * | 2017-03-29 | 2018-10-23 | 精工爱普生株式会社 | Recording device |
| JP2019014241A (en) * | 2017-07-04 | 2019-01-31 | キヤノンファインテックニスカ株式会社 | Recording device |
| CN109130530A (en) * | 2017-11-30 | 2019-01-04 | 深圳市思乐数据技术有限公司 | Lottery ticket printing terminal |
| CN109130530B (en) * | 2017-11-30 | 2024-05-07 | 深圳市思乐数据技术有限公司 | Lottery printing terminal |
| CN108466484A (en) * | 2018-05-28 | 2018-08-31 | 深圳市全印图文技术有限公司 | Digital printer |
| US11796952B2 (en) | 2019-04-30 | 2023-10-24 | Hewlett-Packard Development Company, L.P. | Automatic document feeder with automated media tray extender |
| CN114072289A (en) * | 2019-07-31 | 2022-02-18 | 惠普发展公司，有限责任合伙企业 | Automatic document feeder driven by serpentine belt |
| US11827480B2 (en) | 2019-07-31 | 2023-11-28 | Hewlett-Packard Development Company, L.P. | Automatic document feeder with automated media tray |
| US11825048B2 (en) | 2019-08-02 | 2023-11-21 | Hewlett-Packard Development Company, L.P. | Rotatable media ramp for automatic document feeder |
| CN112406320A (en) * | 2020-10-28 | 2021-02-26 | 上海汉图科技有限公司 | Cutter, paper feeding shaft forming device and forming method thereof |
| WO2023071838A1 (en) * | 2021-10-26 | 2023-05-04 | 林锦毅 | Control structure and control method for paper feed roller and printing device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20040049013A (en) | 2004-06-11 |
| KR100441503B1 (en) | 2004-07-23 |
| CN1299916C (en) | 2007-02-14 |
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