CN202178678U - Stator preshaping machine - Google Patents
Stator preshaping machine Download PDFInfo
- Publication number
- CN202178678U CN202178678U CN2011202482176U CN201120248217U CN202178678U CN 202178678 U CN202178678 U CN 202178678U CN 2011202482176 U CN2011202482176 U CN 2011202482176U CN 201120248217 U CN201120248217 U CN 201120248217U CN 202178678 U CN202178678 U CN 202178678U
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- China
- Prior art keywords
- stator
- contact pin
- core
- preparatory
- complete machine
- 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 - Fee Related
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- 230000001141 propulsive effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000004020 conductor Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a stator preshaping machine which comprises a frame, wherein two rotating discs which are overlapped at the upper part and the lower part and open at the middle parts are arranged on the frame, a plurality of contact pins which can extend and contract in a centripetal manner are arranged in each rotating disc, an expansion core and a lower shaping sleeve which is aligned with the expansion core are respectively above and below each rotating disc, and the expansion cores and the lower shaping sleeves can be lifted up and down. The root part of a stator, which is exposed out of a coil, can be shaped through the two overlapped rotating discs and the contact pins which are positioned in the rotating discs and can extend and contract in the centripetal manner, the expansion cores are pressed down and the lower shaping sleeves are lifted up for performing internal expansion shaping, section shaping and lower solenoid turning-out on the stator, and shaping actions are completely performed in the same process step, thereby being time-saving, labor-saving and eliminating the labor force output which is neither precise nor time-consuming; furthermore, the structure is simple and ingenious, and the stator preshaping machine can be widely used in stator pre-shaping process steps during the production of the motor stators.
Description
Technical field
The utility model relates to a kind of processing unit (plant) of motor stator, the preparatory complete machine of particularly a kind of stator.
Background technology
Motor generally comprises stator and rotor two parts.With the alternating current motor is example, and rotor places stator, causes alternating magnetic field through in stator, feeding alternating current, drives the rotor rotation.Traditional motor stator needs earlier lead line concentration bunchy, again the coiled conductor loop of strip one by one; Conductor loop is inserted in the columniform stator iron ring, constitute excitation winding then, draw the end of a thread afterwards again around jack shaft form arranged evenly; Insert rotor, cover capping for two sections, promptly produced the basic model of motor toward the stator iron ring; Again this basic model is done follow-up less important processing, load onto other accessories, just become a motor finished product.
After conductor loop being inserted in the stator iron ring,, therefore must carry out whole in advance to stator because lead is flexible tiny wire harness; Two sections conductor loops that expose are made in order neatly; Make it can be not loose, hinder assembling, and avoid the part lead to expose separately and broken because of carelessness.In order to cooperate rotor core and end cap, the two end line bags and the middle cavity of stator are also wanted compacting simultaneously, and the line bag turns up, and end face leveling in two ends also will be drawn the end of a thread and is convenient to follow-up wiring, are operations necessary when producing motor stator so stator is put in order in advance.
Present stator is whole in advance, is basically to rely on manual operation to rely on the contact pin of a front end bifurcated to realize.The workman hands contact pin, and the line bag that conductor loop that stator iron ring into exposes constitutes is prized at the tip of contact pin, firmly presses toward middle then; The lead that by force other trends of line bag is had some setbacks pushes back in the iron ring, and rechecking is neat basically up to the line bag; Then stator is inserted in the expanding machine of peripheral hardware with the vertical direction of rotating shaft, expanding machine is provided with vertical, the middle and core that rises, and the top of the core that rises is provided with step; Control the core that rises then and press down, step turns up the line bag, up and down internal expanding; Take out at last, it is whole in advance to accomplish stator.But such operation extremely bothers, and complicated steps, manpower consumption measure greatly, and the in advance whole effect of merely utilizing the contact pin sled to press is undesirable, presses the degree of depth, the also bad control of the degree of turning up in the core control line bag that rises.
The utility model content
The purpose of the utility model is in order to provide a kind of stator preparatory complete machine.
The solution that the utility model solves its technical problem is:
The preparatory complete machine of stator; It comprises frame; Said frame is provided with two rotating disks overlapping, middle opening up and down; Be provided with the contact pin that several can entad stretch in the said rotating disk, the rotating disk above and below is respectively equipped with the following the whole series that rise by core and align with the core that rises, but said rise core and down a whole set of all oscilaltions.
As the further improvement of technique scheme, said rotating disk and pin groups grooving cam slide mechanism realize the rotating of rotating disk with this, drive the entad flexible of contact pin.
Further improvement as technique scheme; Said grooved cam slide block mechanism is: said rotating disk comprises overlapping and coaxial movable disk and dial seat up and down; Both equal middle openings; Said dial seat is provided with several contact pin grooves that entad extend along its axis radiation profiles; Said movable disk be provided with the contact pin groove with number and intersects, along the contact pin cotter way of movable disk axis arranged off-centre, said contact pin and contact pin groove equivalent and embedding is wherein slided, the contact pin end is provided with the interior contact pin pin of the said contact pin cotter way of insertion.
As the further improvement of technique scheme, said movable disk is provided with lug, and movable disk is driven by rack-mounted pneumatic cylinder group and realizes rotating.
Further improvement as technique scheme; Said frame is provided with two portable plate guide rails parallel to each other; Said rotating disk below being positioned at connects with the following portable plate on being arranged on the portable plate guide rail, and said portable plate down connects with the propulsive gas cylinder pressure that is installed in the frame rear portion.
Further improvement as technique scheme; Said frame is provided with some vertical guide pillars; Be socketed with upper mobile board on the said guide pillar, the below of upper mobile board is provided with the bottom and the whole series that go up that the core activity connects, cylindrical is provided with step that rise, and the vertical range of said rise core and last the whole series is adjustable.
As the further improvement of technique scheme, said rising is thread connection between core and last the whole series.
As the further improvement of technique scheme, the top of said guide pillar is provided with the core pneumatic cylinder that rises, and the output of its piston rod connects with the top of upper mobile board, drives it along the guide pillar oscilaltion.
As the further improvement of technique scheme, said a whole set of down below connects with the up-down pneumatic cylinder and goes up and down by driving self.
As the further improvement of technique scheme, the front portion of said frame is provided with and ejects mouth, the below that ejects mouthful be equipped with cooperate with the motor stator of peripheral hardware, eject pneumatic cylinder with what said stator ejected.
The beneficial effect of the utility model is: the utility model is through being provided with two overlapping rotating disks and the contact pin that is positioned at wherein, can entad stretches; And following the whole series of the rise core and the below of top, make stator treat that shaping piece is inserted in the rotating disk time, its up and down the line bag at two ends can stretch out by contact pin and carry out shaping reason line; The core that rises of top presses down; Can make in the stator and rise outside the circle, on following the whole series of below can turn up the bag that rolls off the production line again in the top, do not damage the end of a thread of drawing simultaneously.The utility model with the external contracting shaping of stator coil, root shaping that conductor loop exposes, roll off the production line that bag turns up, the shaping of stator both ends of the surface and internal expanding shaping carry out simultaneously; Changed complicated step in the past; Not only inaccuracy but also labour's expenditure consuming time have been exempted; And simple and ingenious structure is widely used in the whole in advance operation of stator when producing motor stator.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Fig. 1 is that the integral shaft of the utility model is surveyed sketch map;
Fig. 2 is the thin portion sketch map of the rotating disk part in the utility model, and wherein contact pin is in open configuration;
Fig. 3 is the thin portion sketch map of the rotating disk part in the utility model, and wherein contact pin is in rounding state;
Fig. 4 is the vertical cutaway view of the core segment that rises in the utility model;
Fig. 5 is the vertical cutaway view of following a whole set of part in the utility model.
Embodiment
With reference to Fig. 1～Fig. 5; The preparatory complete machine of stator; It comprises frame 1, and said frame 1 is provided with two rotating disks 2 overlapping, middle opening up and down, is provided with the contact pin 21 that several can entad stretch in the said rotating disk 2; Rotating disk 2 above and belows be respectively equipped with rise core 3 and with the core 3 that rises align following a whole set of 4, but said rise core 3 and down a whole set of 4 equal oscilaltions.
Further as preferred embodiment, said rotating disk 2 is formed the grooved cam slide block mechanism with contact pin 21, realizes the rotating of rotating disk 2 with this, drives the entad flexible of contact pin 21.Certainly, also can utilize the mode of linear motor driving or crank block etc., realize the entad flexible of contact pin 21.
Further as preferred embodiment; Said grooved cam slide block mechanism is: said rotating disk 2 comprises overlapping and coaxial up and down movable disk 22 and dial seat 23; Both equal middle openings; Said dial seat 23 is provided with several contact pin grooves 24 that entad extend along its axis radiation profiles; Said movable disk 22 be provided with contact pin groove 24 with number and intersects, along the contact pin cotter way 25 of movable disk 22 axis arranged off-centre, said contact pin 21 is with contact pin groove 24 equivalent and embed wherein and slide, contact pin 21 ends are provided with inserts the interior contact pin pin 29 of said contact pin cotter way 25.Particularly, said contact pin groove 24, contact pin cotter way 25, contact pin 21 have 12 respectively, and axis 360 degree of the dish 2 that rotates are uniformly distributed with, and the eccentric angle of said contact pin cotter way 25 is 30 degree.The complete synchronously method of clamping that surrounds of this horizontal direction makes the stator shaping promptly firmly quick again.
Further as preferred embodiment, said movable disk 22 is provided with lug 28, and movable disk 22 drives the realization rotation by the pneumatic cylinder group that is installed on the frame 1.Lug 28 mainly is to use when needing manual operation when being convenient to emergency situations, breaks lug 28 off with the fingers and thumb through staff, also can drive movable disk 22 rotations.
Further as preferred embodiment; Said frame 1 is provided with two portable plate guide rails 12 parallel to each other; Said rotating disk 2 below being positioned at connects with the following portable plate 26 on being arranged on portable plate guide rail 12, and said portable plate 26 down connects with the propulsive gas cylinder pressure 5 that is installed in frame 1 rear portion.The piston rod of propulsive gas cylinder pressure 5 is flexible, gets final product portable plate 26 under the push-and-pull, thereby with rotating disk 2 push-and-pull forward or backward.Rotating disk 2 is sent forward, mainly is to be convenient to the workman to eject stator after adding stator and shaping in that processing is pre-installed.
Further as preferred embodiment; Said frame 1 is provided with some vertical guide pillars 6; Be socketed with upper mobile board 31 on the said guide pillar 6; The below of upper mobile board 31 is provided with the bottom and the upward the whole series 32 that core 3 activities connect, cylindrical is provided with step that rise, and the said core 3 that rises is adjustable with last a whole set of 32 vertical range.Through rise core 3 and go up the distance between a whole set of 32 of adjustment, can realize variation adjustment to the coil depth of turning up of stator, no longer be the single supporting single depth size of mould, the brief quantity of the cores that rises.
Further as preferred embodiment, said rising is thread connection between core 3 and last a whole set of 32.
Further as preferred embodiment, the top of said guide pillar 6 is provided with the core pneumatic cylinder 61 that rises, and the output of its piston rod connects with the top of upper mobile board 31, drives it along guide pillar 6 oscilaltions.Upper mobile board 31 cooperates with guide pillar 6, and it is more steady to be beneficial to the up-down that is connected in the core 3 that rises on the upper mobile board 31, operates more appropriate.
Further as preferred embodiment, said a whole set of 4 below down connects with up-down pneumatic cylinder 41 and goes up and down by driving self.When the piston rod of up-down pneumatic cylinder 41 extends, can will descend the whole series 4 upwards to head into to the middle cavity of rotating disk 2 and and cooperate with treating the shaping stator.
Further as preferred embodiment, the front portion of said frame 1 is provided with and ejects mouthfuls 13, eject mouthfuls 13 below be equipped with cooperate with the motor stator of peripheral hardware, eject pneumatic cylinder 14 with what said stator ejected.
Certainly, all above-mentioned pneumatic cylinders all can adopt hydraulic cylinder to substitute, and it is bigger to exert oneself simultaneously.
During work, control propulsive gas cylinder pressure 5 will descend portable plate 26 to push to the place ahead earlier, and the workman will treat that manually the shaping stator is nested to rotating disk 2; Contract behind propulsive gas cylinder pressure 5 piston rods then; Following portable plate 26 is returned to and core 3 and a whole set of 4 positions that align down of rising, at this moment rise core pneumatic cylinder 61 and 41 actions of up-down pneumatic cylinder, will rise core 3 with a whole set of 4 send in opposite directions respectively down to treating in the middle of the shaping stator; Movable disk 22 rotations simultaneously; Make contact pin cotter way 25 and contact pin groove 24 that the relative changing of the relative positions of angular displacements take place, compressing contact pin pin 29 slides along contact pin groove 24, therefore drives all up and down contact pins 21 simultaneously to the intermediary movements of separately horizontal plane; The front end of contact pin 21 is embedded in the root that stator exposes coil, carries out the root shaping; The core 3 that rises presses down, and carries out the shaping of stator internal expanding and cooperates contact pin 21 to carry out the upper surface shaping; Carry on following a whole set of 4, cooperation is risen, and core 3 carries out the shaping of stator internal expanding and cooperation contact pin 21 carries out the lower surface shaping, the bag that rolls off the production line turns up.
Carry out after the above-mentioned stator shaping, rise core 3 and following a whole set of 4 playback, portable plate 26 moves to and ejects in the mouth 13 under 5 controls of propulsive gas cylinder pressure, by up-down pneumatic cylinder 41 stator is ejected, and the workman takes off finished product.
More than be that preferred embodiments to the utility model specifies; But the invention is not limited to said embodiment; Those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (10)
1. the preparatory complete machine of stator; It is characterized in that: it comprises frame (1); Said frame (1) is provided with two rotating disks (2) overlapping, middle opening up and down; Be provided with the contact pin (21) that several can entad stretch in the said rotating disk (2), following the whole series (4) that rotating disk (2) above and below is respectively equipped with the core that rises (3) and aligns with the core that rises (3), the said core that rises (3) and down a whole set of (4) but all oscilaltions.
2. the preparatory complete machine of stator according to claim 1 is characterized in that: said rotating disk (2) is formed the grooved cam slide block mechanism with contact pin (21), realizes the rotating of rotating disk (2) with this, drives the entad flexible of contact pin (21).
3. the preparatory complete machine of stator according to claim 2; It is characterized in that: said grooved cam slide block mechanism is: said rotating disk (2) comprises overlapping and coaxial movable disk (22) and dial seat (23) up and down; Both equal middle openings; Said dial seat (23) is provided with several contact pin grooves (24) that entad extend along its axis radiation profiles; Said movable disk (22) be provided with contact pin groove (24) with number and intersect, along the contact pin cotter way (25) of movable disk (22) axis arranged off-centre; Said contact pin (21) is with contact pin groove (24) equivalent and embed wherein slip, and contact pin (21) end is provided with the contact pin pin (29) that inserts in the said contact pin cotter way (25).
4. the preparatory complete machine of stator according to claim 3 is characterized in that: said movable disk (22) is provided with lug (28), and movable disk (22) drives the realization rotation by the pneumatic cylinder group that is installed on the frame (1).
5. according to claim 1,2, the preparatory complete machine of 3 or 4 described stators; It is characterized in that: said frame (1) is provided with two portable plate guide rails (12) parallel to each other; Said rotating disk (2) below being positioned at connects with the following portable plate (26) on being arranged on portable plate guide rail (12), and said portable plate (26) down connects with the propulsive gas cylinder pressure (5) that is installed in frame (1) rear portion.
6. the preparatory complete machine of stator according to claim 1; It is characterized in that: said frame (1) is provided with some vertical guide pillars (6); Be socketed with upper mobile board (31) on the said guide pillar (6); The below of upper mobile board (31) is provided with go up a whole set of (32) that the bottom connects with the core that rises (3) activity, cylindrical is provided with step, and the said core that rises (3) is adjustable with the vertical range of last the whole series (32).
7. the preparatory complete machine of stator according to claim 6 is characterized in that: be thread connection between the said core that rises (3) and last the whole series (32).
8. the preparatory complete machine of stator according to claim 6 is characterized in that: the top of said guide pillar (6) is provided with the core pneumatic cylinder (61) that rises, and the output of its piston rod connects with the top of upper mobile board (31), drives it along guide pillar (6) oscilaltion.
9. the preparatory complete machine of stator according to claim 1 is characterized in that: the below of said down a whole set of (4) connects with up-down pneumatic cylinder (41) and goes up and down by driving self.
10. the preparatory complete machine of stator according to claim 1; It is characterized in that: the front portion of said frame (1) is provided with and ejects mouthful (13), the below that ejects mouthful (13) be equipped with cooperate with the motor stator of peripheral hardware, eject pneumatic cylinder (14) with what said stator ejected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202482176U CN202178678U (en) | 2011-07-14 | 2011-07-14 | Stator preshaping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202482176U CN202178678U (en) | 2011-07-14 | 2011-07-14 | Stator preshaping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202178678U true CN202178678U (en) | 2012-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202482176U Expired - Fee Related CN202178678U (en) | 2011-07-14 | 2011-07-14 | Stator preshaping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202178678U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904393A (en) * | 2012-09-28 | 2013-01-30 | 广州嘉特利微电机实业有限公司 | Refrigeration compressor stator iron core re-pressing machine |
| CN103532314A (en) * | 2013-09-23 | 2014-01-22 | 黄石艾博科技发展有限公司 | High-quality stator production method |
| CN104300741A (en) * | 2014-07-31 | 2015-01-21 | 常州金康精工机械股份有限公司 | Motor stator shaping machine |
| CN105375706A (en) * | 2015-12-25 | 2016-03-02 | 江苏本格自动化科技有限公司 | Transmission assembly for coil inserting mould |
| CN105429393A (en) * | 2015-12-25 | 2016-03-23 | 江苏本格自动化科技有限公司 | Sliding position assembly of embedding mould |
| CN105429379A (en) * | 2015-12-25 | 2016-03-23 | 江苏本格自动化科技有限公司 | Roll-over workbench used for shaping machine |
| CN107425672A (en) * | 2017-05-27 | 2017-12-01 | 江苏本格自动化科技有限公司 | A kind of mold mechanism of stator coil finishing machine |
| CN111431358A (en) * | 2020-05-25 | 2020-07-17 | 江门市江海区骏晖电器制造有限公司 | Motor coil assembling machine |
| CN111917250A (en) * | 2020-04-24 | 2020-11-10 | 江苏本格自动化科技有限公司 | Three-station shaping machine |
-
2011
- 2011-07-14 CN CN2011202482176U patent/CN202178678U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904393A (en) * | 2012-09-28 | 2013-01-30 | 广州嘉特利微电机实业有限公司 | Refrigeration compressor stator iron core re-pressing machine |
| CN103532314A (en) * | 2013-09-23 | 2014-01-22 | 黄石艾博科技发展有限公司 | High-quality stator production method |
| CN103532314B (en) * | 2013-09-23 | 2015-08-12 | 黄石艾博科技发展有限公司 | A kind of production method of high-quality stator |
| CN104300741A (en) * | 2014-07-31 | 2015-01-21 | 常州金康精工机械股份有限公司 | Motor stator shaping machine |
| CN104300741B (en) * | 2014-07-31 | 2018-01-16 | 常州金康精工机械股份有限公司 | A kind of motor stator trimmer |
| CN105375706A (en) * | 2015-12-25 | 2016-03-02 | 江苏本格自动化科技有限公司 | Transmission assembly for coil inserting mould |
| CN105429393A (en) * | 2015-12-25 | 2016-03-23 | 江苏本格自动化科技有限公司 | Sliding position assembly of embedding mould |
| CN105429379A (en) * | 2015-12-25 | 2016-03-23 | 江苏本格自动化科技有限公司 | Roll-over workbench used for shaping machine |
| CN107425672A (en) * | 2017-05-27 | 2017-12-01 | 江苏本格自动化科技有限公司 | A kind of mold mechanism of stator coil finishing machine |
| CN111917250A (en) * | 2020-04-24 | 2020-11-10 | 江苏本格自动化科技有限公司 | Three-station shaping machine |
| CN111431358A (en) * | 2020-05-25 | 2020-07-17 | 江门市江海区骏晖电器制造有限公司 | Motor coil assembling machine |
| CN111431358B (en) * | 2020-05-25 | 2021-03-12 | 江门市江海区骏晖电器制造有限公司 | Motor coil assembling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GUANGZHOU JIA'NENG AUTOMATION EQUIPMENT CO., LTD. Assignor: Yao Mu Contract record no.: 2012440000470 Denomination of utility model: Stator preshaping machine Granted publication date: 20120328 License type: Exclusive License Record date: 20120809 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GUANGZHOU JIA'NENG AUTOMATION EQUIPMENT CO., LTD. Assignor: Yao Mu Contract record no.: 2012440000470 Denomination of utility model: Stator preshaping machine Granted publication date: 20120328 License type: Exclusive License Record date: 20120809 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161011 Address after: 510630 Tianhe District, Guangzhou, Tianhe North Road, No. 2301, room 620, No. Patentee after: Guangzhou guide's automatic-control special device Co., Ltd Address before: 510000 Fangcun garden, Guangdong, Guangzhou, No. 1504, No. 12, No. Patentee before: Yao Mu |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 510630 Baiyun District, Guangdong, Guangzhou Guang road No. 73, No. 102 factory Patentee after: Guangzhou guide's automatic-control special device Co., Ltd Address before: 510630 Tianhe District, Guangzhou, Tianhe North Road, No. 2301, room 620, No. Patentee before: Guangzhou guide's automatic-control special device Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20200714 |