CN108116061B - The print media feed mechanism of adjustable idler wheel pressing force - Google Patents
The print media feed mechanism of adjustable idler wheel pressing force Download PDFInfo
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- CN108116061B CN108116061B CN201611085129.2A CN201611085129A CN108116061B CN 108116061 B CN108116061 B CN 108116061B CN 201611085129 A CN201611085129 A CN 201611085129A CN 108116061 B CN108116061 B CN 108116061B
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- pressing
- feed mechanism
- print media
- media feed
- idler wheel
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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
- B41J11/16—Platens with balancing means
Abstract
The present invention provides a kind of print media feed mechanism of adjustable idler wheel pressing force.Its structure includes drive shaft and press unit.Press unit includes fixed pedestal, rack shaft, pressing stent, the first elastic parts, the second elastic parts and adjustable barrier module.Rack shaft is articulated in fixed pedestal.Pressing stent is articulated in rack shaft.First elastic parts, which provides one first elastic force, to be made the pressing shaft of pressing stent centered on rack shaft and tends to pushing and pressing drive shaft.Second elastic parts, which provides one second elastic force, makes the pressing shaft of pressing stent centered on rack shaft and separate drive shaft.First elastic force is contrary with the second elastic force.Adjustable barrier module can adjust distance of the stop section relative to fixed pedestal, to assemble the second elastic force of the second elastic parts of adjustment.
Description
Technical field
The present invention relates to a kind of feed mechanism of printer more particularly to a kind of print medias of adjustable idler wheel pressing force
Feed mechanism.
Background technique
With advances in technology with development, printer application it is also more and more extensive.Traditionally, this kind of printer mainly leads to
It crosses a pair of of paper-feed (paper feeding rollers) of rotation and carrys out paper feeding.The paper of feeding is folded in a pair and sets up separately
In the driving idler wheel (driving towards pressing roller (pinch roller) and lower section above print head paper feed direction
Roller), contacted with a predetermined pressing force (nip pressure) with driving idler wheel by rotatable pressing roller, work as driving
It, can be by paper feeding to printing head when idler wheel rotates.To ensure the feeding of sheet stabilizers, and avoid that crooked phenomenon occurs,
Pressing roller and driving idler wheel keeping parallelism and must maintain the stable pressing force in all fronts.However, pressing nip drum in feed mechanism
Wheel may generate excessive pressing force because of improper assembling or operation with driving idler wheel.Once between pressing roller and driving idler wheel
Pressing force it is excessive, then easily cause pressing roller and driving idler wheel excessive wear, and can not smoothly paper feeding, or even cause
Paper sheet askew or damage and can not print.
Therefore, the print media feed mechanism for how developing a kind of adjustable rolling wheel pressing force is faced to solve the prior art
The problem of, project that actually this field pole need to face.
Summary of the invention
The main purpose of the present invention is to provide a kind of print media feed mechanisms of adjustable idler wheel pressing force, are applicable in
In a printer, such as, but not limited to wide-format printer, can be accurate and it be accurately realized between pressing roller and driving idler wheel
Pressing force adjustment, and its is at low cost, easy to maintain, be simple to manufacture, reliability is high.Feed mechanism is effectively reduced to pressing roller and drives
The high-precision demands of parts such as dynamic idler wheel, while improving after pressing roller and driving idler wheel assembling that pressing force is excessive each other
Problem, it is ensured that contacted between pressing roller and driving idler wheel with optimized pressing force, and achieve the purpose that smoothly paper feeding.
Another object of the present invention is to provide a kind of print media feed mechanisms of adjustable idler wheel pressing force.It can have
Pressing force between effect correction pressing roller and driving idler wheel, makes feed mechanism when paper feeding, it is possible to provide relative to printing
The optimized positive pressure of medium (frictional force), while the abrasion for avoiding pressing roller and driving idler wheel excessive, to reach stable
The purpose of ground paper feeding effectively promotes product function precision and saves cost of parts.
For up to foregoing purpose, the present invention provides a kind of print media feed mechanism of adjustable idler wheel pressing force comprising
Drive shaft and at least a press unit.Press unit is matched relative to drive shaft, and with drive shaft, to feed one
Print media.Press unit includes fixed pedestal, rack shaft, pressing stent, the first elastic parts, the second elastic parts and can
Mode barrier module.Rack shaft is articulated in fixed pedestal.Pressing stent is articulated in rack shaft, and turns including at least one pressing
Axis is articulated in one end of pressing stent.One end of first elastic parts is connected to the pressing stent, and provides one first elastic force
Make the pressing shaft of pressing stent centered on rack shaft and tends to pushing and pressing drive shaft.One end of second elastic parts connects
To pressing stent, and one second elastic force is provided makes the pressing shaft of pressing stent centered on rack shaft and turn far from driving
Axis.Wherein the first elastic force is contrary with the second elastic force.Adjustable barrier module is set on fixed pedestal, and including
The connection of one stop section and the other end for pushing against the second elastic parts, wherein adjustable barrier module can adjust stop section relative to solid
The distance of pedestal is determined, to assemble the second elastic parts of pushing and pressing and adjust the second elastic force of the second elastic parts.
The advantages of print media feed mechanism of adjustable idler wheel pressing force provided by the invention and beneficial effect are: this
The print media feed mechanism of the adjustable idler wheel pressing force provided is provided, can be accurate and be accurately realized pressing roller and driving
Pressing force adjustment between idler wheel, and its is at low cost, easy to maintain, be simple to manufacture, reliability is high.Be effectively reduced feed mechanism to by
The high-precision demand of parts such as pressing roller and driving idler wheel, while being pressed each other after improving pressing roller and driving idler wheel assembling
The excessive problem of pressure, it is ensured that contacted between pressing roller and driving idler wheel with optimized pressing force, and reach and smoothly feed
The purpose of paper.
Detailed description of the invention
Fig. 1 is that the structure of the print media feed mechanism of the adjustable idler wheel pressing force of the first preferred embodiment of the invention is shown
It is intended to.
Fig. 2A and Fig. 2 B is respectively the structural exploded view of the print media feed mechanism of the adjustable idler wheel pressing force of Fig. 1.
Fig. 3 is the distribution of force figure of the pressing stent of Fig. 1 feed mechanism.
Fig. 4 is the stress schematic diagram of pressing stent in Fig. 3.
Fig. 5 is another stress schematic diagram of the pressing stent of feed mechanism of the present invention.
Fig. 6 is the stress shape of the print media feed mechanism of the adjustable idler wheel pressing force of the second preferred embodiment of the invention
State schematic diagram.
Fig. 7 is that the print media feed mechanism of the adjustable idler wheel pressing force of the present invention is applied to the structure of a wide-format printer
Schematic diagram.
Description of symbols:
1,1a: feed mechanism
2: drive shaft
20: print media
21: driving idler wheel
3: fixed pedestal
31: pivoted hole
32: limiting slot
4: rack shaft
5: pressing stent
51: pressing shaft
52: pressing roller
53: gag lever post
6: the first elastic parts
61,62: effect end
7: the second elastic parts
71,72: effect end
8: adjustable barrier module
81: stop section
811: perforation
812: location hole
82: adjustment screw
821: adjustment head
822: neck
83: fixed plate
831: locking hole
832: positioning column
84: secondary spring
9: press unit
C: center
D1, D2, D3: torque arm length
F1: the first active force
F2: the first elastic force
F3: the second active force
F4: the second elastic force
F5: pressing force
Specific embodiment
The some exemplary embodiments for embodying feature of present invention and advantage will describe in detail in the explanation of back segment.It should be understood that
It is that the present invention there can be various variations in different embodiments, neither departs from the scope of the present invention, and therein
Illustrate and attached drawing is illustrated as being used in itself, and is not intended to limit the present invention.
Fig. 1 is that the structure of the print media feed mechanism of the adjustable idler wheel pressing force of the first preferred embodiment of the invention is shown
It is intended to.Fig. 2A and Fig. 2 B is respectively the structural exploded view of the print media feed mechanism of the adjustable idler wheel pressing force of Fig. 1.Such as figure
1, shown in Fig. 2A and Fig. 2 B, the present invention can adjust the print media feed mechanism 1 (hereinafter referred to as feed mechanism) of idler wheel pressing force
Assembling is applied on a printer, and You Yiyi wide-format printer is preferred.Feed mechanism 1 of the invention include a drive shaft 2 and
An at least press unit 9.Press unit 9 includes fixed pedestal 3, rack shaft 4, pressing stent 5, the first elastic parts 6, second
Elastic parts 7 and adjustable barrier module 8.Rack shaft 4 is articulated in solid by a pair of of pivoted hole 31 on fixed pedestal 3
Determine on pedestal 3, pressing stent 5 is then articulated in rack shaft 4 again.Whereby, pressing stent 5 can with rack shaft 4 be center axis and
It is rotated relative to fixed pedestal 3.In this present embodiment, pressing stent 5 further includes at least one pressing shaft 51, is pressed in shaft 51 then
It is provided with an at least pressing roller 52.Pressing roller 52 is to press shaft 51 as rotation center.In addition, drive shaft 2 is a drive
Dynamic idler wheel 21 be arranged relative to the pressing roller 52 in pressing shaft 51, pressing roller 52 be pressed bracket 5 press and with drive
The driving idler wheel 21 of turn axis 2 mutually pushes against.Due to having positive pressure between pressing roller 52 and driving idler wheel 21, so when driving
When dynamic idler wheel 21 rotates, pressing roller 52 can be driven to rotate together, at the same whereby frictional force and rolled in pressing roller 52 and driving
A print media 20 for being such as, but not limited to paper is pinched between wheel 21.
In this present embodiment, press unit 9 assembles adjustment using the first elastic parts 6 and the second elastic parts 7 jointly, and
The strength for the pressing driving idler wheel 21 of pressing roller 52 that pressing stent 5 drives in pressing shaft 51 is provided.Fig. 3 is Fig. 1 feed machine
The distribution of force figure of the pressing stent of structure.Fig. 4 is then the stress schematic diagram of pressing stent in Fig. 3.A as shown in Figure 1, Figure 2 extremely schemes
Shown in 2B, Fig. 3 and Fig. 4, in this present embodiment, the first elastic parts 6 can be for example but be not limited to a torsional spring, is sheathed on bracket and turns
Axis 4 is preferred especially with the middle section region of rack shaft 4, but the present invention is not limited thereto.A wherein work of the first elastic parts 6
Pressing stent 5, another connection of effect end 62 and pushing and pressing fixed pedestal 3 are connected and pushed against with end 61.Due to the first elastic parts 6
Another effect end 62 is pushed against by fixed pedestal 3 and bears one first directed force F 1, and by the restoring force of the first elastic parts 6 in
One effect end 61 pushes against pressing stent 5 and provides one first elastic force F2.First elastic force F2 acts on pressing stent 5, make by
The pressing shaft 51 of bracket 5 is pressed to tend to pushing and pressing driving idler wheel 21 centered on rack shaft 4, wherein the first elastic force F2 is opposite
A torque arm length D1 is formed in 4 center C of rack shaft.On the other hand, in this example, the second elastic parts 7 also be can be for example
But be not limited to one group of torsional spring, be sheathed on rack shaft 4, be preferred especially with the both ends for being divided into rack shaft 4, but the present invention not with
This is limited.One effect end 71 of the second elastic parts 7 connects and pushing and pressing pressing stent 5, and another effect end 72 connects and pushing and pressing can
The stop section 81 of mode barrier module 8.Due to the second elastic parts 7 another effect end 72 by adjustable barrier module 8 gear
Stop 81 pushes against and bears one second directed force F 3, and is pressed by the restoring force of the second elastic parts 7 in effect end 71 pushing and pressing
It presses bracket 5 and one second elastic force F4 is provided.Second elastic force F4 acts on pressing stent 5, makes the pressing shaft of pressing stent 5
51 centered on rack shaft 4 and far from driving idler wheel 21, wherein the second elastic force F4 is formed relative to 4 center C of rack shaft
One torque arm length D2.First elastic force F2 and the second elastic force F4 are contrary each other.At this point, being articulated on pressing stent 5
The pressing force F5 of the pressing driving idler wheel 21 of pressing roller 52, can be deployed by the first elastic force F2 and the second elastic force F4.Its
The pressing force F5 of middle pressing roller 52 forms a torque arm length D3 relative to 4 center C of rack shaft.Specifically, pressing roller
The pressing force F5 of 52 pairs of driving idler wheels 21 can be acquired by formula (1).
F5=(F2 × D1-F4 × D2)/D3 (1)
Being worth noting is, in this present embodiment, adjustable barrier module 8 is set on fixed pedestal 3, and including a block
The connection of portion 81 and another effect end 72 for pushing against the second elastic parts 7, the both ends of stop section 81 all have bent area, in favor of with
Another effect end 72 of second elastic parts 7 effectively pushes against.Wherein adjustable barrier module 8 can adjust stop section 81 relative to solid
The distance of pedestal 3 is determined, to assemble the second elastic parts 7 of pushing and pressing and adjust the second elastic force F4 of the second elastic parts 7.With reference to figure
1, Fig. 2A to Fig. 2 B is it is found that in this present embodiment, and adjustable barrier module 8 further includes fixed plate 83 and adjustment screw 82, Gu
Fixed board 83 is locked in fixed pedestal 3, and adjustment screw 82 connects stop section 81 and fixed plate 83.Adjustment screw 82 further includes adjustment head
Portion 821 and neck 822, neck 822 wear a perforation 811 of stop section 81, are engaged in a locking hole 831 of fixed plate 83, adjust
Whole head 821 pushes against stop section 81, and assembles adjustment stop section 81 at a distance from relative to fixed plate 83, to control second bullet
The intensity of property power F4.Fig. 5 is another stress schematic diagram of the pressing stent of feed mechanism of the present invention.With reference to Fig. 1, Fig. 4 and
Fig. 5 changes (referring to Fig. 1) with relative at a distance from fixed plate 83 it is found that working as stop section 81, then another work of the second elastic parts 7
When being adjusted to biggish second directed force F ' 3 with the second directed force F 3 that end 72 is pushed against and born by stop section 81, the second bullet
Property component 7 restoring force in one effect end 71 push against pressing stent 5 the second elastic force F4 be then adjusted to biggish second bullet
Property power F ' 4.At this point, the pressing force F5 of 52 pairs of pressing roller driving idler wheels 21 can then be acquired by formula (2).
F5=(4 × D2 of F2 × D1-F ')/D3 (2)
It is worth noting that, when (when 4 × D2 of F2 × D1-F ')≤0, i.e. expression pressing roller 52 is detached from driving in formula (2)
Idler wheel 21 exists without active force to each other.In addition, it is emphasized that in this present embodiment, the second elastic force F4 is relative to bracket
The torque arm length D2 that 4 center C of shaft is formed is greater than the torque arm length that the first elastic force F2 is formed relative to 4 center C of rack shaft
D1.When torque arm length D2 is more greater than power wall length D1, then the second elastic parts 7 can adjust pressing roller 52 in more labor-saving mode
To the pressing force F5 of driving idler wheel 21.Certainly, the present invention is not limited to this, and repeats no more.
In previous embodiment, fixed pedestal 3 includes at least a pair of of limiting slot 32, and pressing stent 5 includes at least one limit
Bar 53 is set between pressing shaft 51 and rack shaft 4, and is placed in the limiting slot 32 of fixed pedestal 3, and at least partly expose
Reveal the both ends of gag lever post 53 outside to limiting slot 32, to assemble the range of the mobile pressing shaft 51 of limitation pressing stent 5.Wherein
The effect end 71 of two elastic parts 7 is also connected with and pushes against in the both ends of the gag lever post 53 of pressing stent 5.Certainly, the second elastic group
The connection of effect end 71 and pushing and pressing of part 7 are not limited to this embodiment in the mode of pressing stent 5, also unrestricted spy of the invention
The condition of sign, and repeat no more.
In addition, stop section 81 further includes one group of location hole 812 in an embodiment, it is set to the two sides of perforation 811.Gu
Fixed board 83 then further includes one group of positioning column 832, is arranged relative to location hole 812, and be at least partly arranged in corresponding positioning
Hole 812, to limit moving direction when stop section 81 is pushed against by adjustment screw 82 relative to fixed plate 83.And in other embodiments
In, adjustable barrier module 8 further includes one group of secondary spring 84, is sheathed on corresponding positioning column 832, and be set to stop section 81
Between fixed plate 83, to provide a spring-go power, assist the stop section 81 of adjustable barrier module 8 by adjustment screw 82 to assemble
When pushing and pressing can opposing fixed plate 83 positioning column 832 and stable displacement.Certainly, the movement side of 81 opposing fixed plate 83 of stop section
Formula, also the condition of unrestricted feature of present invention, repeats no more in this.
Fig. 6 is the stress shape of the print media feed mechanism of the adjustable idler wheel pressing force of the second preferred embodiment of the invention
State schematic diagram.In this present embodiment, feed mechanism 1 is similar to feed mechanism 1 shown in Fig. 1, Fig. 2A and Fig. 2 B, and identical member
Part label represents identical element, structure and function, repeats no more in this.Different from feed machine shown in Fig. 1, Fig. 2A and Fig. 2 B
Structure 1, in the feed mechanism 1 of the present embodiment, the first elastic parts 6 also can be for example but be not limited to a spring, be set to pressing
Another effect end of bracket 5, to provide the first elastic force F2.The pressing force F5 of 52 pairs of pressing roller driving idler wheels 21 equally can be by
Formula (1) acquires.It is worth noting that, in this present embodiment, the power that the second elastic force F4 is formed relative to 4 center C of rack shaft
Arm lengths D2 is less than the torque arm length D1 that the first elastic force F2 is formed relative to 4 center C of rack shaft.When torque arm length D2 is smaller
Yu Libi length D1, the then sensitivity that the second elastic parts 7 can be finer drive idler wheels 21 to adjust 52 pairs of pressing roller
Pressing force F5.Certainly, the present invention is not limited to this, and repeats no more.
On the other hand, in previous embodiment, the print media feed mechanism 1 of adjustable idler wheel pressing force assembles application
In on a printer, You Yiyi wide-format printer is preferred.Fig. 7 is the print media feed machine of the adjustable idler wheel pressing force of the present invention
Structure is applied to the structural schematic diagram of a wide-format printer.As shown, in the print media feed mechanism 1a of a wide-format printer
In, print media feed mechanism 1a includes single drive shaft 2 and multiple press units 9, wherein multiple press unit 9
It is arranged at intervals, and corresponds respectively to the drive shaft 2, wherein each element, structure and the function of press unit 9 and aforementioned reality
It is similar to apply example, is repeated no more in this.In this present embodiment, the pressing roller 52 of each press unit 9 can be respectively independent
Ground rotation adjusts screw 82 and adjusts the distance that pedestal 3 is fixed in stop section 81 relatively, and then adjusts pressing roller 52 and driving rolling
The pressing force of wheel 21.Due to each press unit 9 can its pressing roller 52 of each self-adjusting and driving idler wheel 21 pressing force, remove
It can make in the print media feed mechanism 1a of wide-format printer, the pressing roller 52 of multiple press units 9 and single driving rolling
Outside the pressing force of wheel 21 optimizes, more the pressing force of different sections can be provided for special heterogeneous print media 20.Wherein press
The size of pressure can be located between pressing roller 52 and driving idler wheel 21 by a pressure gauge and be measured, the distribution configuration of pressing force
Not limit the condition of feature of present invention.It is multiple to press in some embodiments, the print media feed mechanism 1a of wide-format printer
Press unit 9 can pressing force having the same or different pressing forces, and can change according to practical application request.Whereby, more conducively
The print media feed mechanism 1a of wide-format printer adjusts optimal pressing force for wide cut print media.
In conclusion the present invention provides a kind of print media feed mechanism of adjustable idler wheel pressing force, it is suitable for one
Printer, such as, but not limited to wide-format printer, can be accurate and be accurately realized pressing roller and drive the pressing between idler wheel
Power adjustment, and its is at low cost, easy to maintain, be simple to manufacture, reliability is high.Feed mechanism is effectively reduced to roll pressing roller and driving
The high-precision demands of parts such as wheel, at the same improve pressing roller and driving idler wheel assemble after pressing force is excessive each other asks
Topic, it is ensured that contacted after pressing roller and driving idler wheel with optimized pressing force around here, and reach the mesh of smoothly paper feeding
's.It can effectively correct pressing roller and drive the pressing force between idler wheel, make feed mechanism when paper feeding, it is possible to provide phase
Positive pressure (frictional force) optimized for print media, while the abrasion for avoiding pressing roller and driving idler wheel excessive, with
Achieve the purpose that steadily paper feeding, effectively promote product function precision and saves cost of parts.
The present invention obtains and suitably makes change or modification by those skilled in the art, so all without departing from claim of the invention
The range that book limits.
Claims (12)
1. a kind of print media feed mechanism of adjustable idler wheel pressing force, comprising:
One drive shaft；
An at least press unit is matched relative to the drive shaft, and with the drive shaft, should to feed a print media
Press unit includes:
One fixed pedestal；
One rack shaft is articulated in the fixed pedestal；
One pressing stent is articulated in the rack shaft, and including at least one pressing shaft, is articulated in one end of the pressing stent；
One first elastic parts is connected to the pressing stent, and providing one first elastic force turns the pressing of the pressing stent
Axis tends to push against the drive shaft centered on the rack shaft；
One second elastic parts is connected to the pressing stent, and providing one second elastic force turns the pressing of the pressing stent
Axis is centered on the rack shaft and far from the drive shaft, the wherein direction phase of first elastic force and second elastic force
Instead；And
One adjustable barrier module, is set on the fixed pedestal, and connects including a stop section and push against the second elastic group
Part, wherein the adjustable barrier module can adjust distance of the stop section relative to the fixed pedestal, with assemble pushing and pressing this second
Elastic parts and second elastic force for adjusting second elastic parts.
2. print media feed mechanism as described in claim 1, wherein second elastic parts includes an at least torsional spring, it is arranged
In the rack shaft, an effect end connection of the torsional spring and the pressing stent is pushed against, another effect end connects and to push against this adjustable
Stop section of formula barrier module, to provide second elastic force.
3. print media feed mechanism as described in claim 1, wherein first elastic parts includes an at least torsional spring, it is arranged
The pressing stent is connected and pushes against in an effect end of the rack shaft, the torsional spring, another effect end connects and pushes against this and fixes
Pedestal, to provide first elastic force.
4. print media feed mechanism as described in claim 1, wherein first elastic parts includes an at least spring, setting
In the other end of the pressing stent, to provide first elastic force.
5. print media feed mechanism as described in claim 1, wherein the fixed pedestal includes at least a pair of of limiting slot, this is pressed
Pressing bracket includes an at least gag lever post, is set between the pressing shaft and the rack shaft, and be placed in the fixed pedestal
This is to limiting slot, and the both ends at least partly exposing the gag lever post to the open air limit pressing stent shifting outside this is to limiting slot to assemble
Move the range of the pressing shaft.
6. print media feed mechanism as claimed in claim 5, wherein second elastic parts is connected to the pressing stent
One effect end push against the gag lever post be exposed to this to limiting slot outside one end.
7. print media feed mechanism as described in claim 1, wherein the adjustable barrier module further include a fixed plate with
And an adjustment screw, which is locked in the fixed pedestal, the adjustment screw connection stop section and the fixed plate, with adjustment
Distance of the stop section relative to the fixed plate.
8. print media feed mechanism as claimed in claim 7, wherein the adjustment screw includes an adjustment head and a neck,
The neck wears a perforation of the stop section, is engaged in a locking hole of the fixed plate, which pushes against the stop section, and
It assembles and adjusts the stop section at a distance from relative to the fixed plate, to control the intensity of second elastic force.
9. print media feed mechanism as claimed in claim 8, wherein the stop section further includes one group of location hole, it is set to this
The two sides of perforation, the fixed plate further include one group of positioning column, are arranged relative to the location hole, and at least partly wear the group
The location hole.
10. print media feed mechanism as claimed in claim 9, wherein the adjustable barrier module further includes one group of auxiliary bullet
Spring is sheathed on corresponding this group of positioning column, and is set between the stop section and the fixed plate.
11. print media feed mechanism as described in claim 1, wherein the drive shaft is a driving idler wheel, which turns
Axis includes an at least pressing roller, when the rotation of a driving idler wheel rotate driving at least pressing roller, at least one pressing
The print media can be pinched between idler wheel and the driving idler wheel.
12. print media feed mechanism as described in claim 1, wherein the feed mechanism is applied to a wide-format printer.
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| CN201611085129.2A CN108116061B (en) | 2016-11-30 | 2016-11-30 | The print media feed mechanism of adjustable idler wheel pressing force |
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| CN201611085129.2A CN108116061B (en) | 2016-11-30 | 2016-11-30 | The print media feed mechanism of adjustable idler wheel pressing force |
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| CN108116061B true CN108116061B (en) | 2019-08-09 |
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| TWI679124B (en) * | 2018-12-11 | 2019-12-11 | 虹光精密工業股份有限公司 | Feeding mechanism for business machine |
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| CN101312477A (en) * | 2007-05-25 | 2008-11-26 | 东友科技股份有限公司 | Automatic paper feeding apparatus and transaction machine suitable for the same |
| CN101452249A (en) * | 2007-12-09 | 2009-06-10 | 株式会社理光 | Sheet transport device and image forming apparatus including same |
| CN201511428U (en) * | 2009-09-01 | 2010-06-23 | 上海捷雅机械有限公司 | Press wheel mechanism |
| CN201703899U (en) * | 2009-12-30 | 2011-01-12 | 北京五岳鑫信息技术股份有限公司 | Paper pressing mechanism with self-balancing floating rubber roll |
| CN103025636A (en) * | 2010-08-06 | 2013-04-03 | 夏普株式会社 | Sheet conveying device and image forming device provided therewith |
| CN202321759U (en) * | 2011-11-22 | 2012-07-11 | 杭州康得新机械有限公司 | Pneumatic paper-feeding pressure roller mechanism of paper cutter |
| CN202609633U (en) * | 2012-05-07 | 2012-12-19 | 新会江裕信息产业有限公司 | Paper-feeding pressure adjusting device |
| TW201417048A (en) * | 2012-10-30 | 2014-05-01 | Hon Hai Prec Ind Co Ltd | Currency transmission mechanism |
| CN104249943A (en) * | 2013-06-26 | 2014-12-31 | 东友科技股份有限公司 | Paper stopping mechanism with rotating element and automatic paper feed device adapted by same |
| CN203752698U (en) * | 2014-02-25 | 2014-08-06 | 福建实达电脑设备有限公司 | Printer rubber roller pressure switching mechanism |
| CN105819247A (en) * | 2015-01-22 | 2016-08-03 | 理想科学工业株式会社 | Print sheet transfer device |
| CN205023585U (en) * | 2015-08-14 | 2016-02-10 | 天津市天德橡塑机械有限公司 | Acceleration feed mechanism of stacker |
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