CN201201366Y - Copying ribbon box - Google Patents

Copying ribbon box Download PDF

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Publication number
CN201201366Y
CN201201366Y CNU2008200578651U CN200820057865U CN201201366Y CN 201201366 Y CN201201366 Y CN 201201366Y CN U2008200578651 U CNU2008200578651 U CN U2008200578651U CN 200820057865 U CN200820057865 U CN 200820057865U CN 201201366 Y CN201201366 Y CN 201201366Y
Authority
CN
China
Prior art keywords
gear
shaft hole
aforementioned
guide portion
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2008200578651U
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Chinese (zh)
Inventor
陈重信
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RED STONE (SHANGHAI) COMPUTER CO Ltd
Original Assignee
RED STONE (SHANGHAI) COMPUTER CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RED STONE (SHANGHAI) COMPUTER CO Ltd filed Critical RED STONE (SHANGHAI) COMPUTER CO Ltd
Priority to CNU2008200578651U priority Critical patent/CN201201366Y/en
Application granted granted Critical
Publication of CN201201366Y publication Critical patent/CN201201366Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a ribbon box and aims to provide a ribbon box which can actually drive a ribbon without additional parts. The ribbon box comprises a box body having an upper cover and a base, a first gear, a second gear meshed with the first gear, a ribbon received in the box body and clipped between the first gear and the second gear, wherein two ends of a rotating shaft of the first gear and two ends of a rotating shaft of the second gear are pivoted on the upper cover and the base, respectively. An upper ligule and a lower ligule are, respectively, formed on the upper cover and the base to apply forces at the two ends of the rotating shaft of the second gear to allow the second gear to mesh closely with the first gear and to drive the ribbon to circulate in the box body. The ribbon box has the advantages of saving parts, reducing production cost, along with simple structure and easy manufacture.

Description

Color ribbon cartridge
Technical field
The utility model relates to a kind of color ribbon cartridge, relates in particular to a kind of color ribbon cartridge with the gear driven colour band.
Background technology
As Fig. 7, the structure of an existing color ribbon cartridge is disclosed.This color ribbon cartridge includes the annular colour band 99 and that a box body 80, with loam cake and base is installed in this box body 80 and is installed in equally among the box body 80, in order to drive the gear train of this colour band 99.
Aforementioned box body 80 includes an accommodation space in order to capacity ribbon 99, and extend towards relative direction respectively the both sides of this accommodation space, and forms first guide portion 81 and second guide portion 82 with respect to first guide portion 81 of a taper respectively.This first guide portion 81 is relative with the tip of second guide portion 82, and is formed with an opening that supplies colour band 99 to pass through at this place, tip respectively.
Again, lid is provided with a limit sliding chutes (not showing among Fig. 7) with base corresponding to these second gear, 92 punishment on this box body 80.
Aforesaid gears is mounted in the accommodation space near these second guide portion, 82 places, and it includes second gear 92 and that one first gear 91, is engaged in first gear 91 and grants the shell fragment 93 of elastic force for second gear 92.
This first gear 91 has a rotating shaft, and be provided with plural tooth portion in its periphery wall, axis hole and this upper end that the top and bottom of this rotating shaft are divided into these box body 80 loam cakes and base protrude in outside this loam cake, in order to the user from box body 80 outside turn first gears 91 with the test colour band 99 degree of tightness; The bottom of this rotating shaft then is exposed to the bottom of base, and forms a drive hole, makes it rotation for typewriter or this first gear 91 of printer driver.
This second gear 92 also has a rotating shaft 921, and be provided with plural tooth portion in its periphery wall, the top and bottom of this rotating shaft are divided into the chute of these box body 80 loam cakes and base, can slide to first gear 91 along chute when allowing second gear 92 be subjected to elastic force from shell fragment 93.Again, this second gear 92 includes one in addition and is the wheel seat 922 of " ㄈ " font effectively to bear this elastic force.Because in related industry now, aforementioned first gear 91 and second gear 92 be in response to the requirement of producing in a large number, basis is made in reduction, almost without exception made with plastic material; And these are by first gear 91 and second gear 92 of plastics ejection formation, often because of the contraction of mould or plastic material itself deformation take place, and cause its periphery wall to present non-positive toroidal.No matter be that first gear 91, second gear 92 or both all deform, often have during second gear 92 when driving and rock or neglect tight situation of neglecting pine rotating first gear 91, make first gear 91 and second gear 92 can not tight engagement, aforementioned wheel seat 922 is imposed elastic force, can improve the situation of first gear 91 and 92 engagements of second gear.
This wheel seat 922 has a bar portion that is parallel to rotating shaft, and this bar portion extends to this rotating shaft 921 certainly, and is incorporated into linking part and following linking part on this rotating shaft 921.
This shell fragment 93 is the strip sheet metal of a bending, and the one end is fixedly arranged on box body 80 inside, and end then is butted on the bar portion of aforementioned wheel seat 922 in addition.This shell fragment 93 imposes on the elastic force of second gear 92 because of its deformation by being butted on wheel seat 922, can push second gear 92 to first gear 91, and make second gear 92 keep being engaged in the state of first gear 91.As previously mentioned, because 93 need of shell fragment apply an amount of elastic force in wheel seat 922 and can improve the engagement situation, so this shell fragment 93 is playing a role, when applying elastic force, its deflection is also little.
The part of this colour band 99 is installed on first guide portion 81 and second guide portion 82 as mentioned above, and makes it to be exposed between first guide portion 81 tip relative with second guide portion 82 outside for striker or the first-class equipment of typewriting is printed or the usefulness of typewriting; These colour band 99 remainders then are placed in the accommodation space of box body 80, wherein the colour band 99 of second guide portion 82 and accommodation space intersection by clamping between aforementioned first gear 91 and second gear 92.
Since the elastic force that this second gear 92 is subjected to shell fragment 93 with colour band 99 clampings between first gear 91 and second gear 92, when first gear 91 rotates, to drive second gear 92 and clamping colour band 99 therebetween simultaneously, and allow this colour band 99 be pulled and circulation between accommodation space, first guide portion 81 and second guide portion 82.
The actual use in the time of to have color ribbon cartridge now, utilize the drive hole of first gear, the 91 rotating shaft lower ends that expose to box body 80 bottoms, to drive this first gear 91, allow this colour band 99 in the time of typewriting or printing, do not stop the circulation and on the assumed appearance band 99 the black material at each position can both on average use, and can avoid on the colour band 99 single position stressed too frequent and rupture, and the user can utilize the aforementioned rotating shaft that protrudes in this loam cake to test the tightness of colour band 99.
Yet, should have color ribbon cartridge now for this second gear 92 is applied elastic force with certain drive colour band 99, extra parts such as aforementioned wheel seat 922 and shell fragment need be set, both increased the complexity of assembling processing procedure, may reduce production efficiency, whole cost is risen, bring negative effect for the market competitiveness, it is a shortcoming of demanding improvement urgently as can be known.
Summary of the invention
The purpose of this utility model provides a kind of novel color ribbon cartridge that additional parts can drive colour band really that need not.
The purpose of this utility model realizes by following part:
One box body, it has a loam cake and a base, is formed with an accommodation space, and in the two ends of this accommodation space, extends one first guide portion and second guide portion with respect to this first guide portion respectively towards the same side; Aforementioned loam cake is corresponding to aforementioned accommodation space, and near this second guide portion place, is provided with one second upper shaft hole, and one of this second upper shaft hole side is formed with one first upper shaft hole, and relative side in addition then is formed with arc hole on; Should go up the arc hole and have two ends, wherein an end is connected with this second upper shaft hole; Make and form ligule sheet between this second upper shaft hole and the last arc hole; Then be formed with first lower shaft hole, second lower shaft hole and following arc hole on this base, and between this second lower shaft hole and following arc hole, form ligule sheet corresponding to aforementioned first upper shaft hole, second upper shaft hole and last arc hole;
One gear train, it has one first gear and one second gear; Perisporium is first-class outside this first gear is arranged with plural tooth portion, and has a cylindric rotating shaft; End is located at aforementioned first upper shaft hole on this rotating shaft, and aforementioned first lower shaft hole is located in its lower end; Be formed with the tooth portion that plural number is matched with first gear outside aforementioned second gear on the perisporium, and have a rotating shaft, the footpath is matched with the aperture of this second upper shaft hole and second lower shaft hole respectively outside the top and bottom of this rotating shaft; The extended line of the axial connecting line of this first rotary gear shaft and second rotary gear shaft corresponds to respectively outside first rotary gear shaft upper end and second rotary gear shaft upper end among the edge each point at a distance of 2 distances farthest, correspond to respectively within first upper shaft hole and second upper shaft hole among the edge each point at a distance of 2 distances farthest more than or equal to the extended line of the axial connecting line of first upper shaft hole and second upper shaft hole, concern and also have aforementioned structure between first rotary gear shaft and the second rotary gear shaft lower end and first lower shaft hole and second lower shaft hole;
One colour band, it forms annular, mainly is placed in the accommodation space of aforementioned box body, walks around aforementioned first guide portion and second guide portion, and clamping is between aforementioned first gear and second gear.
Owing to the utlity model has said structure, need not to adopt extra parts such as the wheel seat of existing color ribbon cartridge or shell fragment during fabrication, can effectively make second gears engaged in first gear, and drive colour band really; More because the utility model adopts less part and more simple structure, no matter at aspects such as number of spare parts, ease of manufacture and cost, production yields, be better than existing color ribbon cartridge all overwhelmingly, not only can reach goal of the invention of the present utility model, more can significantly promote the market competitiveness of this creation product.
Description of drawings
To embodiment of the present utility model and in conjunction with the description of its accompanying drawing, can further understand the purpose of this utility model, specific structural features and advantage by following.Wherein, accompanying drawing is:
The 1st figure is the schematic appearance that the utility model is unkitted the band of filling in colors on a sketch.
The 2nd figure is the decomposing schematic representation that the utility model is unkitted the band of filling in colors on a sketch.
The 3rd figure is the vertical view that the utility model is unkitted the band of filling in colors on a sketch.
The 4th figure is a ligule sheet action schematic diagram on the utility model.
The 5th figure is the partial exploded view of the utility model.
The 6th figure is the user mode schematic diagram of the utility model.
The 7th figure is the use schematic diagram of existing color ribbon cartridge.
The primary clustering symbol description is as follows among the figure:
10. box body 11. loam cakes
111. first upper shaft hole, 112. second upper shaft holes
113. ligule sheet on the last arc hole 114.
12. base 121. first lower shaft holes
122. 123. times arc holes of second lower shaft hole
124. following ligule sheet 13. first guide portion
14. second guide portion, 21. first gears
211. rotating shaft 22. second gears
221. rotating shaft 30. colour bands
80. box body 81. first guide portion
82. second guide portion, 91. first gears
92. second gear, 921. rotating shafts
922. wheel seat 93. shell fragments
99. colour band
A1. the prolongation linear system of the axial connecting line of first upper shaft hole and second upper shaft hole corresponds to edge within first upper shaft hole and second upper shaft hole respectively, among its corresponding each point at a distance of 2 distances farthest
A2. the prolongation linear system of the axial connecting line of first rotary gear shaft and second rotary gear shaft corresponds to edge outside first rotary gear shaft upper end and second rotary gear shaft upper end respectively, among its corresponding each point at a distance of 2 distances farthest.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model color ribbon cartridge includes a box body 10, it has a loam cake 11 and a base 12, be formed with the accommodation space of a cuboid, and, extend one first guide portion 13 and second guide portion 14 with respect to this first guide portion 13 towards relative direction respectively in the two ends of this accommodation space.
This first guide portion 13 and second guide portion 14 form mutually towards the crotch shape of the other side's bending, and it has the tip of a taper shape respectively, and are formed with an opening at this place, tip respectively.The tip of this first guide portion 13 and second guide portion 14 but is left a suitable distance therebetween toward each other.
Aforementioned loam cake 11 is corresponding to aforementioned accommodation space, and near these second guide portion, 14 places, is provided with one second upper shaft hole 112, and one of this second upper shaft hole 112 side is formed with one first upper shaft hole 111, and relative side in addition then is formed with arc hole 113 on.Should go up arc hole 113 and have two ends, wherein an end is connected with this second upper shaft hole 112; Make and form ligule sheet 114 between this second upper shaft hole 112 and the last arc hole 113.
Then be formed with first lower shaft hole 121, second lower shaft hole 122 and following arc hole 123 on this base 12, and form ligule sheet 124 in this second lower shaft hole 122 and 123 in following arc hole corresponding to aforementioned first upper shaft hole 111, second upper shaft hole 112 and last arc hole 113.
The utility model color ribbon cartridge includes a gear train in addition, and it has one first gear 21 and one second gear 22; Perisporium is first-class outside this first gear 21 is arranged with plural tooth portion, and has a cylindric rotating shaft 211.End is located at aforementioned first upper shaft hole 111 on this rotating shaft 211, and aforementioned first lower shaft hole 121 is located in its lower end.Because this rotating shaft 211 is exposed to outside the box body 10, therefore can this first gear 21 be rotated from the peripheral operation or the driving of box body 10; Wherein a common design makes holding under these first gear, 21 rotating shafts 211 and is formed with a drive hole (not shown), and make this drive hole be exposed to the bottom of base 12, when being installed in machines such as printer or typewriter at the utility model color ribbon cartridge, can utilize suitable driving mechanism to control this rotating shaft 211, to drive this first gear 21 by this drive hole.In addition, also can make this rotating shaft 211 form hollow cylinder, and at least one location structure that forms fin or holddown groove is set on its internal perisporium, drive the usefulness of this first gear 21 for external agency.Again, end extends upward this loam cake 11 tops on the aforementioned rotating shaft 211, for user's manual operation.
Be formed with the tooth portion that plural number is matched with first gear 21 on the perisporium outside aforementioned second gear 22, and have a rotating shaft 221, be installed in aforementioned second upper shaft hole 112 and second lower shaft hole 122 in the top and bottom of this rotating shaft 221 respectively.
Again, aforementioned first gear 21 and second gear 22 are based on the consideration that reduces manufacturing cost in the related industry now, all make with the method for plastics ejection formation, therefore deformation may take place in first gear 21 and second gear 22, and cause rocking, neglect the tight situation of neglecting pine and can not tight engagement, and this situation can apply elastic force and obtain effective improvement with 124 pairs second gears 22 of following ligule sheet by the aforementioned ligule sheet 114 of going up.
As Fig. 4, shown in Figure 5, disclosing respectively has ligule sheet action schematic diagram and partial exploded view on the utility model color ribbon cartridge.Ligule sheet 114 and following ligule sheet 124 have the power of a reinstatement on the aforementioned deformation when being subjected to external pressure, and directly are matched with the aperture of this second upper shaft hole 112 and second lower shaft hole 122 outside these second gear, 22 rotating shafts, 221 top and bottom respectively.
Again, in order to make the aforementioned ligule sheet 114 of should going up reach the effect of keeping first gear 21 and second gear, 22 tight engagement with following ligule sheet 124, the distance of distance between aforementioned first upper shaft hole 111 and second upper shaft hole 112 and aforementioned first gear 21 and second gear, 22 rotating shaft upper ends is coupling mutually.
As shown in Figure 5, the extended line of the axial connecting line of first upper shaft hole 111 and second upper shaft hole 112 corresponds to edge within first upper shaft hole 111 and second upper shaft hole 112 respectively, is made as A1 at a distance of 2 distances farthest among its corresponding each point; And the extended line of the axial connecting line of 21 rotating shafts of first gear and 22 rotating shafts of second gear corresponds to edge outside first gear, 21 rotating shafts upper ends and second gear, the 22 rotating shafts upper end respectively, is made as A2 at a distance of 2 distances farthest among its corresponding each point.Wherein A2 corresponds to the distance of A1, makes A2 equal A1 in the present embodiment.
In addition, first lower shaft hole 121 of base 12 and the distance between second lower shaft hole 122 also have equidistant relation with the distance of aforementioned first gear 21 and second gear, 22 rotating shaft lower ends.
Therefore when second gear 22 is engaged in first gear, 21 normal rotation, the aforementioned ligule sheet 114 of going up can't apply the top and bottom of strength in second gear 22 or 21 rotating shafts 221 of first gear with following ligule sheet 124, only device is established (as shown in Figure 6) after the colour band 30, these colour band 30 clampings with certain thickness are between aforementioned first gear 21 and second gear 22, the thickness of this colour band 30 is slightly outwards squeezed first gear 21 and second gear 22 and opens, therefore the rotating shaft 211 of aforementioned first gear 21 and second gear 22,221 top and bottom are butted on aforementioned first upper shaft hole 111 respectively, first lower shaft hole 121, second upper shaft hole 112 and second lower shaft hole 122 make rotating shaft 211,221 continue to be subjected to the pressure of an appropriateness; But, when this first gear 21 or second gear 22 because of rocking or distortion waits other former thereby when causing mutually tight engagement, upward ligule sheet 114 and following ligule sheet 124 can force in the rotating shaft 221 of second gear 22, push this second gear 22 to first gear 21, and then keep the state of first gear 21 and second gear, 22 tight engagement.
In other enforcement aspect of present embodiment, also can make aforementioned A2 be a bit larger tham A1, and make first lower shaft hole 121 of base 12 and second lower shaft hole 122 also form as above-mentioned structure, make ligule sheet 114 and down ligule sheet 124 keep state for second gear, 22 application of forces always, further guarantee first gear 21 and second gear, 22 tight engagement.
Again, as previously mentioned, owing to cause neglecting tight pine, the gear shape variable of situation that can not tight engagement and little of neglecting, therefore aforementioned go up ligule sheet 114 and down ligule sheet 124 apply slight elastic force by the power of its reinstatement and can effectively improve this situation in second gear 22.
As shown in Figure 6, disclose the user mode schematic diagram that the utility model is arranged.
Be provided with a colour band 30 in aforementioned box body 10 inside, it forms annular, mainly is placed in the accommodation space of aforementioned box body 10, walks around aforementioned first guide portion 13 and second guide portion 14, and clamping is between aforementioned first gear 21 and second gear 22.Install this colour band 30 by aforesaid way, a bit of colour band 30 of military order exposes between the tip of first guide portion 13 and second guide portion 14 for printing or the usefulness of typewriting.
Again, when this first gear 21 rotates, to drive with it that second gear 22 of tight engagement together rotates, and clamping colour band 30 therebetween also will be pulled and make this colour band 30 in regular turn from the accommodation space of box body 10 be circulated to first guide portion 13, again to second guide portion 14, get back among the accommodation space at last.When needs are tested the tightness of this colour band 30, but rotating shaft 211 upper ends of this first gear 21 of user's manual operation stretch out in the part of loam cake 11 to adjust it.
Understand the utility model and specifically construct by above-mentioned, by aforementioned go up arc hole 113 and following arc hole 123 and form on ligule sheet 114 and following ligule sheet 124, can effectively apply elastic force in this second gear 22, make it tight engagement and circulate with assumed appearance band 30 in first gear 21.Compared to existing color ribbon cartridge, the utility model has adopted less part and better simply structure, therefore can make faster, easier, has promoted the market competitiveness thereby saved production cost.
Though the utility model is illustrated hereinbefore according to preferred embodiment of the present utility model; but this does not represent that scope of the present utility model is confined to above-mentioned structure, if by structure that claim of the present utility model covered all within protection domain.Those skilled in the art can be developed the equivalent substitution structure that at an easy rate after reading above-mentioned explanation, and these equivalent alternative structure also are within the scope that this case requires.

Claims (6)

1. color ribbon cartridge is characterized in that including:
One box body, it has a loam cake and a base, is formed with an accommodation space, and in the two ends of this accommodation space, extends one first guide portion and second guide portion with respect to this first guide portion respectively towards the same side; Aforementioned loam cake is corresponding to aforementioned accommodation space, and near this second guide portion place, is provided with one second upper shaft hole, and one of this second upper shaft hole side is formed with one first upper shaft hole, and relative side in addition then is formed with arc hole on; Should go up the arc hole and have two ends, wherein an end is connected with this second upper shaft hole; Make and form ligule sheet between this second upper shaft hole and the last arc hole; Then be formed with first lower shaft hole, second lower shaft hole and following arc hole on this base, and between this second lower shaft hole and following arc hole, form ligule sheet corresponding to aforementioned first upper shaft hole, second upper shaft hole and last arc hole;
One gear train, it has one first gear and one second gear; Perisporium is first-class outside this first gear is arranged with plural tooth portion, and has a cylindric rotating shaft; End is located at aforementioned first upper shaft hole on this rotating shaft, and aforementioned first lower shaft hole is located in its lower end; Be formed with the tooth portion that plural number is matched with first gear outside aforementioned second gear on the perisporium, and have a rotating shaft, the footpath is matched with the aperture of this second upper shaft hole and second lower shaft hole respectively outside the top and bottom of this rotating shaft; The extended line of the axial connecting line of this first rotary gear shaft and second rotary gear shaft corresponds to respectively outside first rotary gear shaft upper end and second rotary gear shaft upper end among the edge each point at a distance of 2 distances farthest, correspond to respectively within first upper shaft hole and second upper shaft hole among the edge each point at a distance of 2 distances farthest more than or equal to the extended line of the axial connecting line of first upper shaft hole and second upper shaft hole, concern and also have aforementioned structure between first rotary gear shaft and the second rotary gear shaft lower end and first lower shaft hole and second lower shaft hole;
One colour band, it forms annular, mainly is placed in the accommodation space of aforementioned box body, walks around aforementioned first guide portion and second guide portion, and clamping is between aforementioned first gear and second gear.
2. color ribbon cartridge as claimed in claim 1 is characterized in that: the tip that described first guide portion and second guide portion have a taper shape respectively towards the relative direction extension, and be formed with an opening respectively at this place, tip; The tip of this first guide portion and second guide portion but is left a suitable distance therebetween toward each other.
3. color ribbon cartridge as claimed in claim 1 is characterized in that: end extends upward and outstanding this loam cake on described first rotary gear shaft.
4. as each described color ribbon cartridge among the claim 1-3, it is characterized in that: described first rotary gear shaft forms hollow cylinder, and certain at least bit architecture is set on its internal perisporium.
5. color ribbon cartridge as claimed in claim 4 is characterized in that: described location structure is a fin.
6. color ribbon cartridge as claimed in claim 4 is characterized in that: described location structure is a holddown groove.
CNU2008200578651U 2008-04-29 2008-04-29 Copying ribbon box Expired - Lifetime CN201201366Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200578651U CN201201366Y (en) 2008-04-29 2008-04-29 Copying ribbon box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200578651U CN201201366Y (en) 2008-04-29 2008-04-29 Copying ribbon box

Publications (1)

Publication Number Publication Date
CN201201366Y true CN201201366Y (en) 2009-03-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200578651U Expired - Lifetime CN201201366Y (en) 2008-04-29 2008-04-29 Copying ribbon box

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102490500A (en) * 2011-12-30 2012-06-13 上海宜达胜电脑用品有限公司 Ribbon cassette cover and tool used for separating the same
CN103273748A (en) * 2013-06-07 2013-09-04 红石电脑(上海)有限公司 Colored tape box

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102490500A (en) * 2011-12-30 2012-06-13 上海宜达胜电脑用品有限公司 Ribbon cassette cover and tool used for separating the same
CN103273748A (en) * 2013-06-07 2013-09-04 红石电脑(上海)有限公司 Colored tape box
CN103273748B (en) * 2013-06-07 2015-09-30 红石电脑(上海)有限公司 Color ribbon cartridge

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CX01 Expiry of patent term

Granted publication date: 20090304

CX01 Expiry of patent term