CN105177773A - Yarn twisting and winding device - Google Patents
Yarn twisting and winding device Download PDFInfo
- Publication number
- CN105177773A CN105177773A CN201510574669.6A CN201510574669A CN105177773A CN 105177773 A CN105177773 A CN 105177773A CN 201510574669 A CN201510574669 A CN 201510574669A CN 105177773 A CN105177773 A CN 105177773A
- Authority
- CN
- China
- Prior art keywords
- afterturn
- axle
- twisting
- hinged
- shaft
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 title abstract 6
- 239000004753 textile Substances 0.000 abstract description 2
- 210000002268 wool Anatomy 0.000 description 15
- 239000000835 fiber Substances 0.000 description 8
- 210000004209 hair Anatomy 0.000 description 6
- 238000009987 spinning Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000283707 Capra Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 210000000085 cashmere Anatomy 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 210000000050 mohair Anatomy 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Landscapes
- Spinning Or Twisting Of Yarns (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention provides a yarn twisting and winding device, and belongs to the technical field of textile machinery. The yarn twisting and winding device comprises a yarn winding mechanism and a twisting mechanism, an upper twisting shaft and a lower twisting shaft of the twisting mechanism is slidably arranged on a rack left and right in a vertically tangent mode, and the surface of the upper twisting shaft and the surface of the lower twisting shaft are provided with twisting stripes of which the turning directions are different; one end of an upper connecting rod is hinged to an upper swinging support seat, the other end of the upper connecting rod is hinged to one end of the upper twisting shaft, one end of a lower connecting rod is hinged to a lower swinging support seat, and the other end of the lower connecting rod is hinged to one end of the lower twisting shaft; a guide shaft of the yarn winding mechanism is provided with two or more than two spiral guide grooves, one side of the guide shaft is coaxially provided with a second belt wheel which is connected with a first belt wheel through a driving belt, the first belt wheel is coaxially connected with a driving motor, and a thick yarn shaft abuts against the guide shaft through a pressure spring. According to the yarn twisting and winding device, twisted thick yarn can be evenly wound on the thick yarn shaft, the structure is simple, and the cost is low.
Description
Technical field
The present invention relates to technical field of textile machine, particularly yarn feeding device is received in a kind of afterturn.
Background technology
Wool spinning is spinning process process wool fibre being processed into yarn.Wool fibre, based on wool, also comprises the special animal hair fibers such as goat cashmere, the rabbit hair, mohair, yak hair.Wool spinning process also can be used for that wool type chemical fiber purely spins, blending and natural fibre blended with other.Spin with pure the wool fabric, knitted fabric, woollen blanket etc. of knitting system with blending wool yarn, there is warming, moisture absorption, springiness and the feature such as wear-resisting.The main process of wool spinning is: first the mixed hair ratio that the raw material such as wool fibre and chemical fibre is arranged according to product mixed, then the wool fibre after mixing oiling is carried out combing, impurity elimination by wool spinning roller and clearer card, form fleece, the fleece exported passes through paving hair curtain by Overbridge device, fleece is converted into band shape, back and forth be laid on fortune hair curtain, enter next connection carding machine after mixed and continue combing, the fleece being joined combing machine for fur output by most end is divided into a lot of fillet through itemize mechanism, be wound in after becoming rove by rubbing plate afterturn on rove axle, process finally by fine sand operation.At present in order to the rove after allowing afterturn complete evenly is wound on rove axle, all to be swung back and forth realization by rove axle by swing mechanism, complex structure, cost is high.
Summary of the invention
The object of this invention is to provide a kind of afterturn and receive yarn feeding device, the rove realized afterturn becomes evenly is wound on rove axle, and structure is simple, and cost is low.
The technical solution adopted for the present invention to solve the technical problems is:
Yarn feeding device is received in a kind of afterturn, and it comprises frame, take-up mechanism, afterturn mechanism, described take-up mechanism is arranged on the front side of afterturn mechanism, and described afterturn mechanism comprises oscillating motor, bent axle, flying wheel, upper connecting rod, lower link, upper gantry pillars, lower swing bearing, upper afterturn axle, lower afterturn axle, described upper afterturn axle and lower afterturn axle can horizontally slip and be arranged in frame, and upper and lower tangent setting, described upper afterturn axle and lower afterturn axle surface are provided with the contrary afterturn striped of rotation direction, described bent axle is also rotatably arranged in frame, and and upper afterturn axle, lower afterturn axle is vertical, described bent axle is coaxially connected with oscillating motor, described upper gantry pillars and lower swing bearing are all rotatably arranged on bent axle, and staggered 180 degree, one end of described upper connecting rod is hinged on gantry pillars, and the other end is hinged on one end of afterturn axle, one end of described lower link is hinged on lower swing bearing, the other end is hinged on one end of lower afterturn axle, and described flying wheel concentric is arranged on the upper end of bent axle, and described take-up mechanism comprises drive motors, first belt pulley, second belt pulley, drive belt, the axis of guide, rove axle, shaft stool, holddown spring, the described axis of guide is rotatably arranged in frame, the described axis of guide is provided with two or more spiral gathering sill, the side concentric of the described axis of guide is provided with the second belt pulley, described second belt pulley is connected by driving belt with the first belt pulley, described first belt pulley is coaxially connected with drive motors, described rove axle is rotatably arranged on the upper end of shaft stool, the lower end of described shaft stool is hinged in frame, described holddown spring two ends are connecting axle bearing and frame respectively, and described rove axle is abutted against on the axis of guide by holddown spring.
Further, the other end of described upper afterturn axle and lower afterturn axle is all provided with positive stop.
Further, described drive motors is stepper motor.
The present invention compared to the prior art, have the following advantages and effect: drive motors drives the first belt pulley quick rotation, then by driving belt and the second belt pulley to drive axis of guide quick rotation, rove axle rove realized in afterturn mechanism under the axis of guide drives travels forward, and evenly receives yarn.Oscillating motor drives crank rotation simultaneously, and upper gantry pillars and lower swing bearing drive upper afterturn axle and lower afterturn axle to swing back and forth by upper connecting rod and lower link, and itemize afterturn is become rove.Upper afterturn axle and lower afterturn axle surface are provided with the contrary afterturn striped of rotation direction, and the afterturn striped that rotation direction is contrary is conducive to realizing the quick afterturn to wool top.Flying wheel concentric is arranged on the upper end of bent axle, is conducive to the smooth rotation realizing bent axle.The axis of guide is provided with two or more spiral gathering sill, gathering sill achieves and is wound on uniformly on rove axle by rove.Drive motors is stepper motor, and the rotating speed of motor, the position of stopping only depending on pulse signal
frequencyand umber of pulse, and not by the impact of load change, stable.Rove axle abuts against on the axis of guide by holddown spring, is conducive to receiving yarn.The rove that the present invention realizes afterturn becomes evenly is wound on rove axle, and structure is simple, and cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is top view of the present invention.
Fig. 3 is the structural scheme of mechanism of afterturn mechanism of the present invention.
In figure: 1. frame, 2. take-up mechanism, 3. afterturn mechanism, 4. oscillating motor, 5. bent axle, 6. flying wheel, 7. go up connecting rod, 8. lower link, 9. go up gantry pillars, 10. lower swing bearing, afterturn axle on 11., 12. times afterturn axles, 13. drive motors, 14. first belt pulleys, 15. second belt pulleys, 16. drive belt, 17. axis of guides, 18. rove axles, 19. shaft stools, 20. holddown springs, 21. gathering sills, 22. positive stops.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
As shown in Figure 1, Figure 2 and Figure 3, yarn feeding device is received in a kind of afterturn, and it comprises frame 1, take-up mechanism 2, afterturn mechanism 3, and afterturn mechanism 3 achieves and wool top afterturn is become rove, afterturn is effective, and the rove that take-up mechanism 2 achieves afterturn becomes evenly is wound on rove axle 18.Described take-up mechanism 2 is arranged on the front side of afterturn mechanism 3.Described afterturn mechanism 3 comprises oscillating motor 4, bent axle 5, flying wheel 6, upper connecting rod 7, lower link 8, upper gantry pillars 9, lower swing bearing 10, upper afterturn axle 11, lower afterturn axle 12, described upper afterturn axle 11 and lower afterturn axle 12 can horizontally slip and be arranged in frame 1, and upper and lower tangent setting, described upper afterturn axle 11 and lower afterturn axle 12 surface are provided with the contrary afterturn striped of rotation direction, and the afterturn striped that rotation direction is contrary is conducive to realizing the quick afterturn to wool top.The other end of described upper afterturn axle 11 and lower afterturn axle 12 is all provided with positive stop 22, effectively limits the side-to-side movement scope of afterturn axle 11 and lower afterturn axle 12.Described bent axle 5 is also rotatably arranged in frame 1, and vertical with upper afterturn axle 11, lower afterturn axle 12.Described bent axle 5 is coaxially connected with oscillating motor 4, and described upper gantry pillars 9 and lower swing bearing 10 are all rotatably arranged on bent axle 5, and staggered 180 degree.One end of described upper connecting rod 7 is hinged on gantry pillars 9, and the other end is hinged on one end of afterturn axle 11, and one end of described lower link 8 is hinged on lower swing bearing 10, and the other end is hinged on one end of lower afterturn axle 12.Described flying wheel 6 concentric is arranged on the upper end of bent axle 5, is conducive to the smooth rotation realizing bent axle 5.Described take-up mechanism 2 comprises drive motors 13, first belt pulley 14, second belt pulley 15, drives belt 16, the axis of guide 17, rove axle 18, shaft stool 19, holddown spring 20, the described axis of guide 17 is rotatably arranged in frame 1, the described axis of guide 17 is provided with two or more spiral gathering sill 21, and gathering sill 21 achieves and is wound on uniformly on rove axle 18 by rove.The side concentric of the described axis of guide 17 is provided with the second belt pulley 15, described second belt pulley 15 is connected by driving belt 16 with the first belt pulley 14, described first belt pulley 14 is coaxially connected with drive motors 13, described drive motors 13 is stepper motor, and the rotating speed of motor, the position of stopping only depending on pulse signal
frequencyand umber of pulse, and not by the impact of load change, stable.Described rove axle 18 is rotatably arranged on the upper end of shaft stool 19, the lower end of described shaft stool 19 is hinged in frame 1, described holddown spring 20 two ends are connecting axle bearing 19 and frame 1 respectively, and described rove axle 18 is abutted against on the axis of guide 17 by holddown spring 20, is conducive to receiving yarn.
Pass through technique scheme, when yarn feeding device use is received in a kind of afterturn of the present invention, drive motors 13 drives the first belt pulley 14 quick rotation, then by driving belt 16 and the second belt pulley 15 to drive the axis of guide 17 quick rotation, rove axle 18 rove realized in afterturn mechanism 3 under the axis of guide 17 drives travels forward, and evenly receives yarn.Oscillating motor 4 is with dynamic crankshaft 5 to rotate simultaneously, and upper gantry pillars 9 and lower swing bearing 10 drive upper afterturn axle 11 and lower afterturn axle 12 to swing back and forth by upper connecting rod 7 and lower link 8, and itemize afterturn is become rove.The rove that the present invention realizes afterturn becomes evenly is wound on rove axle 18, and structure is simple, and cost is low.
Above content described in this description is only made for the present invention illustrating.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of description of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (3)
1. a yarn feeding device is received in afterturn, it is characterized in that: it comprises frame, take-up mechanism, afterturn mechanism, described take-up mechanism is arranged on the front side of afterturn mechanism, and described afterturn mechanism comprises oscillating motor, bent axle, flying wheel, upper connecting rod, lower link, upper gantry pillars, lower swing bearing, upper afterturn axle, lower afterturn axle, described upper afterturn axle and lower afterturn axle can horizontally slip and be arranged in frame, and upper and lower tangent setting, described upper afterturn axle and lower afterturn axle surface are provided with the contrary afterturn striped of rotation direction, described bent axle is also rotatably arranged in frame, and and upper afterturn axle, lower afterturn axle is vertical, described bent axle is coaxially connected with oscillating motor, described upper gantry pillars and lower swing bearing are all rotatably arranged on bent axle, and staggered 180 degree, one end of described upper connecting rod is hinged on gantry pillars, and the other end is hinged on one end of afterturn axle, one end of described lower link is hinged on lower swing bearing, the other end is hinged on one end of lower afterturn axle, and described flying wheel concentric is arranged on the upper end of bent axle, and described take-up mechanism comprises drive motors, first belt pulley, second belt pulley, drive belt, the axis of guide, rove axle, shaft stool, holddown spring, the described axis of guide is rotatably arranged in frame, the described axis of guide is provided with two or more spiral gathering sill, the side concentric of the described axis of guide is provided with the second belt pulley, described second belt pulley is connected by driving belt with the first belt pulley, described first belt pulley is coaxially connected with drive motors, described rove axle is rotatably arranged on the upper end of shaft stool, the lower end of described shaft stool is hinged in frame, described holddown spring two ends are connecting axle bearing and frame respectively, and described rove axle is abutted against on the axis of guide by holddown spring.
2. yarn feeding device is received in a kind of afterturn according to claim 1, it is characterized in that: the other end of described upper afterturn axle and lower afterturn axle is all provided with positive stop.
3. yarn feeding device is received in a kind of afterturn according to claim 1, it is characterized in that: described drive motors is stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510574669.6A CN105177773B (en) | 2015-09-11 | 2015-09-11 | Yarn twisting and winding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510574669.6A CN105177773B (en) | 2015-09-11 | 2015-09-11 | Yarn twisting and winding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105177773A true CN105177773A (en) | 2015-12-23 |
| CN105177773B CN105177773B (en) | 2017-04-12 |
Family
ID=54900177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510574669.6A Active CN105177773B (en) | 2015-09-11 | 2015-09-11 | Yarn twisting and winding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105177773B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366057A (en) * | 2017-08-31 | 2017-11-21 | 浙江依蕾毛纺织有限公司 | Fly frame |
| CN107366046A (en) * | 2017-08-31 | 2017-11-21 | 浙江依蕾毛纺织有限公司 | A kind of fly frame |
| CN107366047A (en) * | 2017-08-31 | 2017-11-21 | 浙江依蕾毛纺织有限公司 | A kind of efficient fly frame |
| CN108505155A (en) * | 2018-06-01 | 2018-09-07 | 嘉兴市华益股份有限公司 | A kind of flax sliver winding mechanism |
| CN117604690A (en) * | 2024-01-17 | 2024-02-27 | 苏州市奕双新材料有限公司 | Blended yarn production equipment and production process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002087699A (en) * | 2000-08-03 | 2002-03-27 | W Schlafhorst Ag & Co | Winding device for textile machinery manufacturing cross winding bobbin |
| CN1483867A (en) * | 2002-09-18 | 2004-03-24 | 里特机械公司 | Spinning frame with twisting device |
| CN2937169Y (en) * | 2006-08-18 | 2007-08-22 | 姜明 | Self-twist spining frame capable of producing different twist yarn |
| CN203144601U (en) * | 2013-02-22 | 2013-08-21 | 河北太行机械工业有限公司 | Thick yarn conveying system |
| CN103924350A (en) * | 2014-04-14 | 2014-07-16 | 上海八达纺织印染服装有限公司 | Folded yarn processing method and device |
| CN205062290U (en) * | 2015-09-11 | 2016-03-02 | 赵凯 | Yarn device is received in afterturn |
-
2015
- 2015-09-11 CN CN201510574669.6A patent/CN105177773B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002087699A (en) * | 2000-08-03 | 2002-03-27 | W Schlafhorst Ag & Co | Winding device for textile machinery manufacturing cross winding bobbin |
| CN1483867A (en) * | 2002-09-18 | 2004-03-24 | 里特机械公司 | Spinning frame with twisting device |
| CN2937169Y (en) * | 2006-08-18 | 2007-08-22 | 姜明 | Self-twist spining frame capable of producing different twist yarn |
| CN203144601U (en) * | 2013-02-22 | 2013-08-21 | 河北太行机械工业有限公司 | Thick yarn conveying system |
| CN103924350A (en) * | 2014-04-14 | 2014-07-16 | 上海八达纺织印染服装有限公司 | Folded yarn processing method and device |
| CN205062290U (en) * | 2015-09-11 | 2016-03-02 | 赵凯 | Yarn device is received in afterturn |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366057A (en) * | 2017-08-31 | 2017-11-21 | 浙江依蕾毛纺织有限公司 | Fly frame |
| CN107366046A (en) * | 2017-08-31 | 2017-11-21 | 浙江依蕾毛纺织有限公司 | A kind of fly frame |
| CN107366047A (en) * | 2017-08-31 | 2017-11-21 | 浙江依蕾毛纺织有限公司 | A kind of efficient fly frame |
| CN108505155A (en) * | 2018-06-01 | 2018-09-07 | 嘉兴市华益股份有限公司 | A kind of flax sliver winding mechanism |
| CN117604690A (en) * | 2024-01-17 | 2024-02-27 | 苏州市奕双新材料有限公司 | Blended yarn production equipment and production process |
| CN117604690B (en) * | 2024-01-17 | 2024-04-16 | 苏州市奕双新材料有限公司 | Blended yarn production equipment and production process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105177773B (en) | 2017-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105177773A (en) | Yarn twisting and winding device | |
| CN205062290U (en) | Yarn device is received in afterturn | |
| CN205062291U (en) | Wool yarn take -up | |
| CN205062276U (en) | Wool yarn afterturn device | |
| CN205152437U (en) | Wool yarn afterturn device | |
| CN204174360U (en) | One leads cotton drafting system | |
| CN205099081U (en) | Fleece transmission device | |
| CN105088429B (en) | Woolen web corner conveying device | |
| CN209097916U (en) | A kind of wool top tie rod organisation of working | |
| CN108342794A (en) | A kind of mixing twisting unit for different yarns | |
| CN212865120U (en) | Variable-frequency speed-regulating spandex yarn twisting device | |
| CN105088432B (en) | Wool yarn take-up device | |
| CN105369398B (en) | A kind of wool yarn twisting unit | |
| CN105129502B (en) | Web transmitting device | |
| CN214359452U (en) | Line tightness adjusting device for doubling winder | |
| CN108315842A (en) | A kind of drafting system for different yarns | |
| CN205062284U (en) | Fleece corner conveyor | |
| CN204185608U (en) | A kind of combing machine for fur tape divider | |
| CN107447300B (en) | Carding machine is used in a kind of weaving of efficient adjustable | |
| CN205062274U (en) | Overspeed device tensioner of divider tape | |
| CN208023149U (en) | A kind of drafting system for different yarns | |
| CN107488908A (en) | A kind of mixed yarn process units and production method | |
| CN207958590U (en) | A kind of mixing twisting unit for different yarns | |
| CN208455147U (en) | A kind of receipts yarn feeding device can be used for different model covering yarn | |
| CN105113058A (en) | Wool yarn twisting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Guihua Inventor before: Zhao Kai |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170310 Address after: 362000 Fujian City, Quanzhou Province, a town of Yongchun County Lu Village, No. 169 Applicant after: Yongchun county is a wealth of Chinese goat farming cooperatives Address before: Jiaxing City, Zhejiang province 314500 Tongxiang Street bridge over the Indus Yu Qiao Cun road No. 295 Applicant before: Zhao Kai |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181114 Address after: 215228 No. 1188 west two ring road, Shengze Town, Wujiang District, Suzhou, Jiangsu. Patentee after: Suzhou Shengze science and Technology Pioneer Park Development Co., Ltd. Address before: 362000 Lushan Village 169, Yidu Town, Yongchun County, Quanzhou City, Fujian Province Patentee before: Yongchun county is a wealth of Chinese goat farming cooperatives |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190516 Address after: 215200 No. 1399 South Second Ring Road, Shengze Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suzhou Houzheng Textile Technology Co., Ltd. Address before: 215228 No. 1188 west two ring road, Shengze Town, Wujiang District, Suzhou, Jiangsu. Patentee before: Suzhou Shengze science and Technology Pioneer Park Development Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210625 Address after: 215200 south side of Shengze South Ring Road, Wujiang District, Suzhou City, Jiangsu Province (maota Village) Patentee after: Wujiang Yongle textile finishing Co.,Ltd. Address before: 215200 No. 1399 South Second Ring Road, Shengze Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou Houzheng Textile Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220117 Address after: 215200 maota village, Shengze Town, Suzhou City, Jiangsu Province Patentee after: Wujiang Wanjia Textile Co.,Ltd. Address before: 215200 south side of Shengze South Ring Road, Wujiang District, Suzhou City, Jiangsu Province (maota Village) Patentee before: Wujiang Yongle textile finishing Co.,Ltd. |
|
| TR01 | Transfer of patent right |