CN103541160B - A kind of Sewing machines - Google Patents
A kind of Sewing machines Download PDFInfo
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- CN103541160B CN103541160B CN201310461780.5A CN201310461780A CN103541160B CN 103541160 B CN103541160 B CN 103541160B CN 201310461780 A CN201310461780 A CN 201310461780A CN 103541160 B CN103541160 B CN 103541160B
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Abstract
The invention provides a kind of Sewing machines, belong to mechanical equipment technical field.It solve existing Sewing machines and pollute sewing materials, the problem that noise is large.This Sewing machines comprises back cover body wall and upper housing wall, casing is connected on pedestal by back cover body wall, the front dividing plate of back cover body wall extends and to be connected mutually the partition panel causing back seat cavity to form a closed chamber with upper housing wall inwall in transmission cavity, upper axle in Sewing machines stretches in transmission cavity through partition panel and is in transmission connection, before being in back cover body wall partition position pedestal in be installed with one in kerve and form the dividing plate of rectangular chamber perisporium with base peripheral wall, back seat cavity is connected with rectangular chamber, be in the lower shaft in pedestal in kerve, feed spool and fork moving axis run through above-mentioned dividing plate respectively and extend to pedestal front transfer and be connected, the base plate with oil drainage structure is installed with in the bottom of rectangular chamber perisporium.The present invention can not pollute sewing materials, the feature that noise is little.
Description
Technical field
The invention belongs to mechanical equipment technical field, relate to a kind of Sewing machines.
Background technology
One or more sewing thread used by Sewing machines, and sewing is formed one or more stitchings, makes the machine that one or more layers sewing interweaves or unites by a seam.Traditional Sewing machines be generally adopt bel-drivenn mode to be exported by power source power transmission on Sewing machines, belt transmission understands the energy of large losses in the process of transmission, and efficiency is lower.Therefore, more advanced at present Sewing machines all adopts drive motors Direct driver; In order to improve the efficiency of sewing operation, advance the high speed of the speed of service always.
In order to enable Sewing machines run at high speeds, it is very necessary for carrying out effective lubrication to each moving component in Sewing machines inside.For the structure of existing Sewing machines to the lubrication of Sewing machines drive disk assembly, full car when general, all must be adopted to lubricate, the structure of existing Sewing machines is generally: comprise pedestal and casing, casing comprises the back cover body wall forming back seat cavity and is connected with back seat cavity and forms the upper housing wall of transmission cavity, described casing is connected on pedestal by back cover body wall, back seat cavity on casing back cover body wall is connected with the interior kerve on pedestal, axle on Sewing machines is equipped with in upper housing wall, lower shaft is provided with in kerve in pedestal, fork moving axis and feed spool, arrange in back cover body wall back seat cavity promising on axle and lower shaft powerdriven universal driving shaft is provided, connecting rod one and connecting rod two is also provided with in back seat cavity, above-mentioned universal driving shaft is connected with upper through-drive by a pair umbrella tooth, this universal driving shaft is connected with lower shaft by a pair umbrella tooth, one end of connecting rod one is connected with upper through-drive by a rocking arm, the other end of this connecting rod one is connected with fork driving-axle gearing by a swing arm, one end of this connecting rod two is connected with above-mentioned upper through-drive by rocking arm, the other end of this connecting rod two is in transmission connection by swing swing seat and feed spool.
This universal driving shaft in such a configuration, universal driving shaft and upper axle, the umbrella tooth that lower shaft connects, this three is in order to increase service life, all to be lubricated fully when part runs, the existing lubrication to above-mentioned parts is general all just lubricates by the mode that lubricating oil sprays, lubricant effect is better, because the intraparietal back seat cavity of back cover is connected with the transmission cavity of upper housing wall, this Sewing machines is to the moving component jet lubrication in back seat cavity, lubricating oil can flow to the front portion of transmission cavity with moving component, the i.e. head place of Sewing machines, this situation is when using for a long time, the lubricating oil at this head of sewing machine place can along with the motion of pricker bar, pollute sewing materials, also have the intraparietal back seat cavity of back cover to be connected with the transmission cavity of upper housing wall, when parts operate, noise is comparatively large, affects working environment.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of lubricant effect better, the Sewing machines of Sewing machines polluted product when long-time running can be prevented.
Object of the present invention realizes by following technical proposal: a kind of Sewing machines, comprise pedestal and casing, described casing comprises the back cover body wall of formation back seat cavity and is connected with back seat cavity and forms the upper housing wall of transmission cavity, described casing is connected on pedestal by back cover body wall, it is characterized in that, the front dividing plate of described back cover body wall extends and to be connected mutually the partition panel causing back seat cavity to form a closed chamber with upper housing wall inwall in transmission cavity, upper axle in described Sewing machines stretches in transmission cavity through partition panel and is in transmission connection, before being in back cover body wall partition position pedestal in be installed with one in kerve and form the dividing plate of rectangular chamber perisporium with base peripheral wall, above-mentioned back seat cavity is connected with described rectangular chamber, be in the lower shaft in pedestal in kerve, feed spool and fork moving axis run through above-mentioned dividing plate respectively and extend to pedestal front transfer and be connected, the perisporium of rectangular chamber is provided with oil ga(u)ge, the base plate with oil drainage structure is installed with in the bottom of rectangular chamber perisporium.
This Sewing machines mainly does some and changes design on the casing of Sewing machines, pedestal, kerve in the back cover body wall of casing and pedestal is made a relatively independent closed chamber, be in drive disk assembly in back cover body wall back seat cavity and the drive disk assembly be in pedestal in kerve and must do change through enclosed cavity chamber body wall.
In above-mentioned a kind of Sewing machines, between described upper axle and partition panel, be provided with oil sealing, this lower shaft, feed spool and be provided with oil sealing between fork moving axis and dividing plate.This oil sealing belongs to prior art, commercially directly can buy, install and use after purchase.
In above-mentioned a kind of Sewing machines, between the bottom of described base plate and rectangular chamber perisporium, be provided with the sealing gasket making both opposing seal.
In above-mentioned a kind of Sewing machines, it is rectangular-shaped fin portion that described sealing gasket comprises cross section, described fin portion has in circular butting section, the upper end of this butting section has a fracture, mounting groove is offered in the bottom of rectangular chamber perisporium, the fin portion of described sealing gasket is connected in above-mentioned mounting groove, and the butting section extruding of sealing pad is resisted against on above-mentioned base plate.Because sealing is here higher, the sealing gasket of described this programme design, when the butting section extruding of sealing gasket is resisted against on base plate, separately make to be formed between this butting section and base plate with the vacuum chamber closed by incision position after this circular butting section is squeezed, in the middle of the sealing of rectangular chamber perisporium and base plate, play goodish sealing effectiveness.
In above-mentioned a kind of Sewing machines, the bottom of described base plate is arranged at intervals with some fin along the length direction of base plate, above-mentioned oil drainage structure comprises bolt plug, base plate offers oil through, this oil through is between two adjacent fin, and above-mentioned bolt plug spiral is connected in above-mentioned oil through.It is have the effect of heat radiation to running up of back seat inside cavity part that base plate is provided with fin, relative sealing between this bolt plug and oil through, staff in use, see the instruction of oil ga(u)ge, when the lubricating oil in back seat cavity runs up to certain height time, staff to drain the oil process to back seat cavity by bolt plug.
In above-mentioned a kind of Sewing machines, rectangular window is offered at the back side of back cover body wall, the described back cover body wall back side is also provided with the cover plate covering above-mentioned rectangular window, is provided with the seal gasket for this cover plate and the sealing of back cover body wall between this cover plate and the back cover body wall back side.
In above-mentioned a kind of Sewing machines, described cover plate is included on body and is installed with one for being plugged on the rectangle Plug Division in above-mentioned rectangular window, the inwall of this rectangle Plug Division flushes with above-mentioned back cover body wall inwall, and above-mentioned seal gasket is between the inwall of cover board body and back cover body wall outer wall.The object of such setting is: in back cover body wall, have a lot of drive disk assemblies, these drive disk assemblies all need lubricating oil to lubricate fully when moving, existing cover plate does not have rectangle Plug Division, this lubricating oil can be splashed between the rectangular window inward flange of back cover body wall and cover plate along with drive disk assembly, when using for a long time, the phenomenon of leakage of oil is also there will be between cover plate and back cover body wall, and the cover plate of this structure is provided with rectangle Plug Division, this rectangle Plug Division is plugged in above-mentioned rectangular window, the inwall of this rectangle Plug Division flushes with above-mentioned back cover body wall inwall, the lubricating oil that this drive disk assembly splashes out can along with the inwall of rectangle Plug Division down direct current, can not be deposited between the rectangular window inward flange of back cover body wall and cover plate, even if when the upper time uses, also there will not be oil leakage phenomenon.
In above-mentioned a kind of Sewing machines, described pedestal and casing are split-type structural, are provided with the seal for both opposing seal between pedestal and back cover body wall.
In above-mentioned a kind of Sewing machines, drive disk assembly in back cover body wall in back seat cavity comprises universal driving shaft, connecting rod one and connecting rod two, one end of this universal driving shaft is connected with upper through-drive by umbrella tooth one, umbrella tooth two, this universal driving shaft is in transmission connection with lower shaft by umbrella tooth three, umbrella tooth four, one end of this connecting rod one, one end of connecting rod two are connected with upper through-drive respectively, the other end of this connecting rod one is connected with fork driving-axle gearing, and the other end and the feed spool transmission of this connecting rod two are connected.
In above-mentioned a kind of Sewing machines, partition panel offers the through hole that back seat cavity is connected with transmission cavity, the fairlead with cotton thread is equipped with in through hole, the front end of this fairlead puts in above-mentioned transmission cavity, this fairlead rear end is positioned at back seat cavity and this end, fairlead rear end is connected with oil box, the casing relative with partition panel offers perpendicular to the center line of above-mentioned through hole the bolt hole be connected with above-mentioned through hole, and in bolt hole, spiral is connected with bolt.When reality uses, the parts had in transmission cavity need a small amount of lubricating oil, in this process by fairlead, lubrication can be done use the parts in transmission cavity, when the component lubrication in transmission cavity puts in place, can spiral bolt, make the inserting end swaged lead pipe of bolt, flowing in the lubricating oil phase transmission cavity in restriction fairlead in cotton thread.
Compared with prior art, this Sewing machines mainly does some and changes design on the casing of Sewing machines, pedestal, kerve in the back cover body wall of casing and pedestal is made a relatively independent closed chamber, be in the sufficient lubrication that this drive disk assembly independently closing the Sewing machines of chamber can obtain lubricating oil, the service life of these drive disk assemblies can be improved, the parts in transmission cavity equally also can be made can to obtain suitable lubrication, increase the transmission efficiency of parts; Also have drive disk assembly can reduce the noise of transmission in the indoor transmission of an enclosed cavity, there is the effect of noise reduction, with partition panel, the transmission cavity in upper housing wall is separated, can prevent the lubricating oil being in lubricating transmission parts in back cover body wall from taking transmission cavity front portion to drive disk assembly and cause the product of this lubricating oil to sewing to pollute.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of this Sewing machines.
Fig. 2 is the sectional structure schematic diagram of this Sewing machines.
Fig. 3 is the sectional structure schematic diagram of sealing gasket in this Sewing machines.
Fig. 4 is the perspective view of universal driving shaft in this Sewing machines, umbrella tooth one, umbrella tooth two, umbrella tooth three, umbrella tooth four.
In figure, 1, pedestal; 2, casing; 3, back seat cavity; 4, back cover body wall; 5, transmission cavity; 6, upper housing wall; 7, front dividing plate; 8, partition panel; 9, upper axle; 10, rectangular chamber; 10a, mounting groove; 11, dividing plate; 12, lower shaft; 13, base plate; 13a, fin; 13b, oil through; 14, sealing gasket; 14a, fin portion; 14b, butting section; 15, bolt plug; 16, rectangular window; 17, cover plate; 17a, rectangle Plug Division; 18, seal gasket; 19, seal; 20, universal driving shaft; 21, umbrella tooth one; 22, umbrella tooth two; 23, umbrella tooth three; 24, umbrella tooth four; 25, through hole; 26, oil ga(u)ge; 27, fairlead; 28, oil box; 29, bolt hole; 30, bolt; .
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, Figure 2, shown in Fig. 3 or Fig. 4, this Sewing machines forms primarily of pedestal 1 and casing 2, casing 2 comprises the back cover body wall 4 that forms back seat cavity 3 and is connected with back seat cavity 3 and forms the upper housing wall 6 of transmission cavity 5, casing 2 is connected on pedestal 1 by back cover body wall 4, when reality uses, this pedestal 1 and casing 2 are split-type structural, are provided with the seal 19 for both opposing seal between pedestal 1 and back cover body wall 4.
Before back cover body wall 4, dividing plate 7 extends and to be connected mutually the partition panel 8 causing back seat cavity 3 to form a closed chamber with upper housing wall 6 inwall in transmission cavity 5, when reality manufactures, this partition panel 8 and back cover body wall 4 are integrated casting and form, before being in back cover body wall 4 dividing plate 7 position pedestal 1 in be installed with one in kerve and form the dividing plate 11 of rectangular chamber 10 perisporium with pedestal 1 perisporium, when reality manufactures, this dividing plate 11 and pedestal 1 perisporium are integral type structure.Partition panel 8 offers the through hole 25 that back seat cavity 3 is connected with transmission cavity 5, the fairlead 27 with cotton thread is equipped with in through hole 25, the front end of this fairlead 27 puts in above-mentioned transmission cavity 5, this fairlead 27 rear end is positioned at back seat cavity 3 and end, this fairlead 27 rear end is connected with oil box 28, the housing 2 relative with partition panel 8 offers perpendicular to the center line of above-mentioned through hole 25 bolt hole 29 be connected with above-mentioned through hole 25, and in bolt hole 29, spiral is connected with bolt 30; When reality manufactures, this through hole 25 is identical with the diameter of bolt hole 29.
Back seat cavity 3 is connected with rectangular chamber 10, the perisporium of rectangular chamber 10 is provided with oil ga(u)ge 26, be installed with the base plate 13 with oil drainage structure in the bottom of rectangular chamber 10 perisporium, between the bottom of base plate 13 and rectangular chamber 10 perisporium, be provided with the sealing gasket 14 making both opposing seal.When reality manufactures, it is rectangular-shaped fin portion 14a that sealing pad 14 comprises cross section, fin portion 14a has in circular butting section 14b, the upper end of this butting section 14b has a fracture, mounting groove 10a is offered in the bottom of rectangular chamber 10 perisporium, the fin portion 14a of sealing gasket 14 is connected in mounting groove 10a, and the butting section 14b extruding of sealing pad 14 is resisted against on above-mentioned base plate 13.When reality manufactures, the bottom of this base plate 13 is arranged at intervals with some fin 13a along the length direction of base plate 13, the concrete structure of this oil drainage structure is: form primarily of bolt plug 15, offer oil through 13b on base 13, this oil through 13b is between two adjacent fin 13a, and bolt plug 15 spiral is connected in above-mentioned oil through 13b.
Offer rectangular window 16 at the back side of back cover body wall 4, back cover body wall 4 back side is also provided with the cover plate 17 covering above-mentioned rectangular window 16, is provided with the seal gasket 18 sealed for this cover plate 17 and back cover body wall 4 between this cover plate 17 and back cover body wall 4 back side; Cover plate 17 is included on body and is installed with one for being plugged on the rectangle Plug Division 17a in above-mentioned rectangular window 16, the inwall of this rectangle Plug Division 17a flushes with above-mentioned back cover body wall 4 inwall, and seal gasket 18 is between the inwall of cover plate 17 body and back cover body wall 4 outer wall.The Main Function of this rectangular window 16 overhauls the moving component in back cover body wall 4 or change, and being sealed by cover plate 17 by rectangular window 16 is the sealing that will ensure that back cover body wall 4 back seat cavity 3 is absolute.
Drive disk assembly in back cover body wall 4 in back seat cavity 3 comprises universal driving shaft 20, connecting rod one and connecting rod two, one end of this universal driving shaft 20 is by umbrella tooth 1, umbrella tooth 2 22 and upper axle 9 are in transmission connection, this universal driving shaft 20 is by umbrella tooth 3 23, umbrella tooth 4 24 and lower shaft 12 are in transmission connection, one end of this connecting rod one, one end of connecting rod two is in transmission connection with upper axle 9 respectively, the other end of this connecting rod one is connected with fork driving-axle gearing, the other end and the feed spool transmission of this connecting rod two are connected, on this, axle 9 is positioned at transmission cavity 5, upper axle 9 in this Sewing machines stretches into transmission cavity 5 Inner Front End portion through partition panel 8 and is in transmission connection, be in the lower shaft 12 in pedestal 1 in kerve, feed spool and fork moving axis run through dividing plate 11 respectively and extend to pedestal 1 front transfer and be connected.
Claims (9)
1. a Sewing machines, comprise pedestal (1) and casing (2), described casing (2) comprises the back cover body wall (4) that forms back seat cavity (3) and is connected with back seat cavity (3) and forms the upper housing wall (6) of transmission cavity (5), described casing (2) is connected on pedestal (1) by back cover body wall (4), it is characterized in that, the front dividing plate (7) of described back cover body wall (4) extends and to be connected mutually the partition panel (8) causing back seat cavity (3) to form a closed chamber with upper housing wall (6) inwall in transmission cavity (5), upper axle (9) in described Sewing machines stretches in transmission cavity (5) through partition panel (8) and is in transmission connection, be in pedestal (1) the interior kerve of back cover body wall (4) front dividing plate (7) position and be installed with one and form the dividing plate (11) of rectangular chamber (10) perisporium with pedestal (1) perisporium, above-mentioned back seat cavity (3) is connected with described rectangular chamber (10), be in the lower shaft (12) in pedestal (1) interior kerve, feed spool and fork moving axis run through above-mentioned dividing plate (11) respectively and extend to pedestal (1) front transfer and be connected, the perisporium of rectangular chamber (10) is provided with oil ga(u)ge (31), the base plate (13) with oil drainage structure is installed with in the bottom of rectangular chamber (10) perisporium, partition panel (8) offers the through hole (25) that back seat cavity (3) is connected with transmission cavity (5), the fairlead (27) with cotton thread is equipped with in through hole (25), the front end of this fairlead (27) puts in above-mentioned transmission cavity (5), this fairlead (27) rear end is positioned at back seat cavity (3) and this fairlead (27) end, rear end is connected with oil box (28), the casing (2) relative with partition panel (8) offers perpendicular to the center line of above-mentioned through hole (25) bolt hole (29) be connected with above-mentioned through hole (25), in bolt hole (29), spiral is connected with bolt (30).
2. a kind of Sewing machines according to claim 1, it is characterized in that, be provided with oil sealing (26) between described upper axle (9) and partition panel (8), between this lower shaft (12), feed spool and fork moving axis and dividing plate (11), be provided with oil sealing (26).
3. a kind of Sewing machines according to claim 1, is characterized in that, is provided with the sealing gasket (14) making both opposing seal between described base plate (13) and the bottom of rectangular chamber (10) perisporium.
4. a kind of Sewing machines according to claim 3, it is characterized in that, it is rectangular-shaped fin portion (14a) that described sealing gasket (14) comprises cross section, described fin portion (14a) has in circular butting section (14b), the upper end of this butting section (14b) has a fracture, mounting groove (10a) is offered in the bottom of rectangular chamber (10) perisporium, the fin portion (14a) of described sealing gasket (14) is connected in above-mentioned mounting groove (10a), butting section (14b) extruding of sealing pad (14) is resisted against on above-mentioned base plate (13).
5. a kind of Sewing machines according to claim 4, it is characterized in that, the bottom of described base plate (13) is arranged at intervals with some fin (13a) along the length direction of base plate (13), above-mentioned oil drainage structure comprises bolt plug (15), base plate (13) offers oil through (13b), this oil through (13b) is positioned between adjacent two fin (13a), and above-mentioned bolt plug (15) spiral is connected in above-mentioned oil through (13b).
6. a kind of Sewing machines according to claim 1, it is characterized in that, rectangular window (16) is offered at the back side of back cover body wall (4), described back cover body wall (4) back side is also provided with the cover plate (17) covering above-mentioned rectangular window (16), is provided with the seal gasket (18) sealed for this cover plate (17) and back cover body wall (4) between this cover plate (17) and back cover body wall (4) back side.
7. a kind of Sewing machines according to claim 6, it is characterized in that, described cover plate (17) is included on body and is installed with one for being plugged on the rectangle Plug Division (17a) in above-mentioned rectangular window (16), the inwall of this rectangle Plug Division (17a) flushes with above-mentioned back cover body wall (4) inwall, and above-mentioned seal gasket (18) is between the inwall of cover plate (17) body and back cover body wall (4) outer wall.
8. a kind of Sewing machines according to claim 1, it is characterized in that, described pedestal (1) and casing (2) are split-type structural, are provided with the seal (19) for both opposing seal between pedestal (1) and back cover body wall (4).
9. a kind of Sewing machines according to claim 1, it is characterized in that, drive disk assembly in back cover body wall (4) in back seat cavity (3) comprises universal driving shaft (20), connecting rod one and connecting rod two, one end of this universal driving shaft (20) is by umbrella tooth one (21), umbrella tooth two (22) and upper axle (9) are in transmission connection, this universal driving shaft (20) is by umbrella tooth three (23), umbrella tooth four (24) and lower shaft (12) are in transmission connection, one end of this connecting rod one, one end of connecting rod two is in transmission connection with upper axle (9) respectively, the other end of this connecting rod one is connected with fork driving-axle gearing, the other end and the feed spool transmission of this connecting rod two are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310461780.5A CN103541160B (en) | 2013-10-08 | 2013-10-08 | A kind of Sewing machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310461780.5A CN103541160B (en) | 2013-10-08 | 2013-10-08 | A kind of Sewing machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103541160A CN103541160A (en) | 2014-01-29 |
| CN103541160B true CN103541160B (en) | 2015-08-12 |
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ID=49964988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310461780.5A Expired - Fee Related CN103541160B (en) | 2013-10-08 | 2013-10-08 | A kind of Sewing machines |
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| Country | Link |
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| CN (1) | CN103541160B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1540055A (en) * | 2002-10-31 | 2004-10-27 | 重机公司 | Sewing machine |
| CN202466159U (en) * | 2010-12-27 | 2012-10-03 | 兄弟工业株式会社 | Sewing machine |
| CN202786727U (en) * | 2010-12-27 | 2013-03-13 | 兄弟工业株式会社 | Oil tank for sewing machine |
| CN203569326U (en) * | 2013-10-08 | 2014-04-30 | 浙江银工缝纫机有限公司 | Sewing machine |
-
2013
- 2013-10-08 CN CN201310461780.5A patent/CN103541160B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1540055A (en) * | 2002-10-31 | 2004-10-27 | 重机公司 | Sewing machine |
| CN202466159U (en) * | 2010-12-27 | 2012-10-03 | 兄弟工业株式会社 | Sewing machine |
| CN202786727U (en) * | 2010-12-27 | 2013-03-13 | 兄弟工业株式会社 | Oil tank for sewing machine |
| CN203569326U (en) * | 2013-10-08 | 2014-04-30 | 浙江银工缝纫机有限公司 | Sewing machine |
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| Publication number | Publication date |
|---|---|
| CN103541160A (en) | 2014-01-29 |
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Granted publication date: 20150812 Termination date: 20161008 |