CN103269470A - Multi-point excitation source loudspeaker clamp - Google Patents
Multi-point excitation source loudspeaker clamp Download PDFInfo
- Publication number
- CN103269470A CN103269470A CN2013102238819A CN201310223881A CN103269470A CN 103269470 A CN103269470 A CN 103269470A CN 2013102238819 A CN2013102238819 A CN 2013102238819A CN 201310223881 A CN201310223881 A CN 201310223881A CN 103269470 A CN103269470 A CN 103269470A
- Authority
- CN
- China
- Prior art keywords
- patrix
- counterdie
- voice coil
- driving source
- multiple spot
- 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
Images
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention relates to a multi-point excitation source loudspeaker clamp. Two ends along long axle direction of an upper die are provided with two upper die limiting bodies, two long axle sides of the upper die limiting body are provided with limiting nicks, at least two voice coil brackets distributed along the long axle direction are arranged between two upper die limiting bodies, the lower end of the voice coil bracket is provided with an annular positioning part, two ends along the long axle direction of a lower die are provided with two lower die limiting bodies, two long axle sides of the lower die limiting body are provided with limiting bosses, each limiting boss corresponds to the limiting nick and the shapes are matched with each other; and a centrosymmetric voice cone groove distributed along the long axle direction is arranged between two lower die limiting bodies, and the shape of the voice cone groove is matched with the shapes of the voice cone and a positioning support chip. The multi-point excitation source loudspeaker clamp provided by the invention is ingenious and reasonable in structure, capable of loading the voice cone, positioning support chip and the voice coil so that the three components can be accurately positioned through the set of clamp, a glueing apparatus is capable of coating glue on pointed positions of each component conveniently, the production efficiency is improved, and the finished product yield is improved.
Description
Technical field
The present invention relates to a kind of loud speaker assembling jig, specifically a kind of multiple spot driving source Loudspeaker fixture for the sound basin, locating branch slice and the voice coil loudspeaker voice coil parts that assemble multiple spot driving source loudspeaker unit belongs to the electroacoustic techniques field.
Background technology
In the prior art, be applied to high-end ultra thin LED LCD TV speaker product, generally adopt multiple spot driving source loudspeaker unit or the system of slimming, to obtain wideer frequency response bandwidth and better tone quality.Be " 200910035698.X " as a application number, name is called the Chinese patent of " dual-drive speaker " and is just extensively quoted on high-end ultrathin television set.But because this type of slimming, the loud speaker assembly technology complexity of narrow typeization, (particularly voice coil loudspeaker voice coil and locating branch slice between parts and the parts, and the gummed between the film-type sound basin, curing) assembly difficulty is higher, if do not rely on anchor clamps but only depend on the free-hand operation of operating personnel, not only can have a strong impact on the efficiency of assembling of product, and can cause the finished product fraction defective too high, be embodied in the position of voice coil loudspeaker voice coil on sound basin and locating branch slice and produce deflection, when finally causing speaker operation, voice coil loudspeaker voice coil touches magnetic absorption member easily when moving in magnetic gap, magnetic pole core or U iron inwall cause loudspeaker sound bad.And because this type of multiple spot driving source loud speaker has the magnetic circuit system of plural voice coil loudspeaker voice coil parts and respective numbers at least, involve great expense, the bad of a voice coil loudspeaker voice coil position just may cause whole loud speaker to scrap, and cost is high.Therefore seek a kind of voice coil loudspeaker voice coil of can calibrating in locating branch slice and sound basin position, and the anchor clamps that produce distortion can avoid the parts assembling time are difficult problems of the needs solution in electroacoustic techniques field.
Summary of the invention
The objective of the invention is to overcome above shortcomings in the prior art, provide a kind of structure ingenious rational multiple spot driving source Loudspeaker fixture, it can load sound basin, locating branch slice and voice coil loudspeaker voice coil, make and accurately to locate by this sleeve clamp between these three parts, be convenient to beat gluing equipment in the appointed part spreading glue of each parts, be conducive to enhance productivity and the qualification rate of finished product.
According to technical scheme provided by the invention: a kind of multiple spot driving source Loudspeaker fixture is characterized in that: comprise upper die and lower die; The two ends of described patrix long axis direction are provided with two patrix limit bodies that are symmetrically distributed along patrix major axis center line, and two major axis sides of patrix limit body are provided with spacing breach; Be provided with at least two voice coil suspensions that distribute along long axis direction between described two patrix limit bodies, the voice coil suspension lower end is the ring-type location division for positioning and fixing location voice coil loudspeaker voice coil; The two ends of described counterdie long axis direction are provided with two counterdie limit bodies that are symmetrically distributed along counterdie major axis center line, and two major axis sides of counterdie limit body are provided with positive stop lug boss, and described positive stop lug boss is corresponding with spacing gap position and shape identical; Be provided with one along the sound basin of long axis direction center of distribution symmetry between described two counterdie limit bodies, the shape of the shape of sound basin and sound basin and locating branch slice is complementary.
As a further improvement on the present invention, two major axis sides of described patrix are provided with two long raised lines that extend downwards, and two major axis sides of described counterdie are provided with two long deficient grooves, and described long deficient groove is corresponding with long raised line position and shape identical.
As a further improvement on the present invention, the bottom of described patrix limit body is provided with the location depression, and the top of described counterdie limit body is provided with positioning convex, and when patrix and counterdie coupling were fit, described location depression was corresponding with positioning convex chimeric.
As a further improvement on the present invention, have a plurality of telescopic chutes that along the circumferential direction distribute on the ring-type location division of described voice coil suspension lower end.When voice coil loudspeaker voice coil is loaded into voice coil suspension, voice-coil inwall matches with the ring-type location division outer wall of voice coil suspension lower end, described telescopic chute can reduce the size mismatch problem that expands with heat and contract with cold and bring, and makes voice coil loudspeaker voice coil not expanded with heat and contract with cold by patrix to influence and comes off, and has improved efficiency of assembling.
As a further improvement on the present invention, be mounted with magnetic absorption member on the described patrix, the correspondence position on the counterdie is mounted with down magnetic absorption member, inhales mutually when described upward magnetic absorption member is close with following magnetic absorption member.
As a further improvement on the present invention, the lower surface of described patrix limit body is provided with the patrix groove, and the described magnetic absorption member that goes up is loaded in the patrix groove; The upper surface of described counterdie limit body is provided with the counterdie groove, and described counterdie groove is corresponding with the patrix groove location, and described magnetic absorption member down is loaded in the counterdie groove.
As a further improvement on the present invention, the described magnetic absorption member that goes up is magnet with following magnetic absorption member; Or one of them is magnet, and another is ironware.
As a further improvement on the present invention, on the patrix limit body at described patrix two ends and the position between two long raised lines and a plurality of voice coil suspension is provided with a plurality of hollow outs place.
As a further improvement on the present invention, around the described voice coil suspension and voice coil suspension bottom is provided with hole.
As a further improvement on the present invention, be respectively equipped with through hole on the counterdie limit body at described counterdie two ends, sound basin, locating branch slice and the voice coil loudspeaker voice coil of being convenient to assemble can come off from the sound basin or take out smoothly.
The present invention compared with prior art, advantage is:Structure of the present invention is ingenious rationally, it can load two sound basins, locating branch slice and voice coil loudspeaker voice coils simultaneously, make and accurately to locate by this sleeve clamp between these three parts, be convenient to beat gluing equipment in the appointed part spreading glue of each parts, be conducive to enhance productivity and the qualification rate of finished product; Offer telescopic chute by the circular orientation portion in the voice coil suspension lower end, make not expanded with heat and contract with cold by patrix to influence and come off, improved efficiency of assembling; By being provided with a plurality of hollow outs place on the patrix limit body and between two long raised lines and two voice coil suspensions, and be provided with a plurality of holes around voice coil suspension and bottom the voice coil suspension, utilize described hollow out place and hole to be convenient to the upper die and lower die behind the coupling zoarium are separated, be more conducive to the improvement of efficiency of assembling in the production process.
Description of drawings
Fig. 1 is the perspective view of depression angle of the present invention.
Fig. 2 is the perspective view of looking up angle of the present invention.
Description of reference numerals: 1-patrix, 1a-patrix limit body, 1a.1-spacing breach, 1a.2-location depression, 1b-long raised line, 1c-voice coil suspension, 1c.1-telescopic chute, 1d-patrix groove, 1e-hole, 1f-hollow out place, 2-counterdie, 2a-counterdie limit body, 2a.1-positive stop lug boss, 2a.2-positioning convex, 2b-long deficient groove, 2c-sound basin, 2d-counterdie groove, 2e-through hole.
Embodiment
Below in conjunction with concrete drawings and Examples the present invention is further described.
Shown in Fig. 1 ~ 2, the multiple spot driving source Loudspeaker fixture among the embodiment mainly is made up of patrix 1 and counterdie 2; The two ends of described patrix 1 long axis direction are provided with two patrix limit body 1a that are symmetrically distributed along patrix 1 major axis center line, and two major axis sides of patrix limit body 1a are provided with spacing breach 1a.1; Being provided with two between described two patrix limit body 1a distributes and along the voice coil suspension 1c of major axis center line symmetry, voice coil suspension 1c lower end is the ring-type location division for positioning and fixing location voice coil loudspeaker voice coil along long axis direction; The two ends of described counterdie 2 long axis directions are provided with two counterdie limit body 2a that are symmetrically distributed along counterdie 2 major axis center lines, two major axis sides of counterdie limit body 2a are provided with positive stop lug boss 2a.1, and described positive stop lug boss 2a.1 is corresponding with spacing breach 1a.1 position and shape identical; Be provided with one along the sound basin 2c of long axis direction center of distribution symmetry between described two counterdie limit body 2a, the shape of sound basin 2c and the shape of sound basin and locating branch slice are complementary.
As shown in Figure 1 and Figure 2, in the embodiment of the invention, two major axis sides of described patrix 1 are provided with two long raised line 2b that extend downwards, and two major axis sides of described counterdie 2 are provided with two long deficient groove 2b, and described long deficient groove 2b is corresponding with long raised line 2b position and shape identical.The bottom of described patrix limit body 1a is provided with location depression 1a.2, and the top of described counterdie limit body 2a is provided with positioning convex 2a.2, and when patrix 1 was fit with counterdie 2 couplings, described location depression 1a.2 was corresponding chimeric with positioning convex 2a.2.
As shown in Figure 1 and Figure 2, in the embodiment of the invention, have a plurality of telescopic chute 1c.1 that along the circumferential direction distribute on the ring-type location division of described voice coil suspension 1c lower end.When voice coil loudspeaker voice coil is loaded into voice coil suspension 1c, voice-coil inwall matches with the ring-type location division outer wall of voice coil suspension 1c lower end, described telescopic chute 1c.1 can reduce the size mismatch problem that expands with heat and contract with cold and bring, and makes voice coil loudspeaker voice coil not expanded with heat and contract with cold by patrix 1 to influence and comes off, and has improved efficiency of assembling.
As shown in Figure 1 and Figure 2, in the embodiment of the invention, the lower surface of described patrix limit body 1a is provided with patrix groove 1d, is mounted with magnetic absorption member in the described patrix groove 1d; The upper surface of described counterdie limit body 2a is provided with counterdie groove 2d, and described counterdie groove 2d is corresponding with patrix groove 1d position, is mounted with down magnetic absorption member in the described counterdie groove 2d.When patrix 1 and counterdie 2 couplings were fit, last magnetic absorption member was inhaled mutually with following magnetic absorption member is close, utilizes magnetic absorption member magnetic principle of opposite sex attraction, makes patrix 1, counterdie 2 can not come off separately.Among the present invention, described upward magnetic absorption member and following magnetic absorption member can be two and be magnet; Also can be that one of them is magnet, another be ironware.
As shown in Figure 1 and Figure 2, in the embodiment of the invention, the patrix limit body 1a at described patrix 1 two ends go up and two long raised line 2b and two voice coil suspension 1c between the position be provided with a plurality of hollow outs 1f of place.Around the described voice coil suspension 1c and voice coil suspension 1c bottom is provided with hole 1e.The described hollow out 1f of place and hole 1e are made for the industry personnel operation, so that patrix 1, the counterdie 2 that will mate behind the zoarium separate, to improve the efficiency of assembling in the production process.In addition, be respectively equipped with through hole 2e on the counterdie limit body 2a at described counterdie 2 two ends, sound basin, locating branch slice and the voice coil loudspeaker voice coil of being convenient to assemble can come off from sound basin 2c or take out smoothly.
Among the present invention, described patrix 1, counterdie 2 all adopt heatproof, anticorrosive, on-deformable material to make, and preferably adopt special plastic to make.
Concrete applicable cases of the present invention is as follows:
At first the sound basin is loaded in the sound basin 2c on the counterdie 2 and locatees, utilize and beat gluing equipment or smear an amount of adhesive at the assigned address of sound basin by hand, and then locating branch slice also is loaded in the sound basin 2c that the sound basin is housed in advance, make locating branch slice can cover the assigned address of sound basin, after treating that adhesive solidifies, locating branch slice and sound basin form a comparatively firm assembly.Two voice coil suspension 1c on patrix 1 load two voice coil loudspeaker voice coils then, and the inwall of voice coil loudspeaker voice coil should be complementary with the outer wall of annular location division, voice coil suspension 1c lower end.Smear adhesive at the assigned address of voice coil loudspeaker voice coil bottom or locating branch slice upper surface again, patrix 1 is fit with counterdie 2 couplings, combined closely with the locating branch slice upper surface in the voice coil loudspeaker voice coil bottom.After treating that at last adhesive solidifies fully, manually or with the 1f of hollow out place and the hole 1e of equipment drawing patrix 1, patrix 1, counterdie 2 are separated, take off sound basin, locating branch slice and voice coil loudspeaker voice coil in conjunction with after assembly integral body, namely can be used for the follow-up assembling of multiple spot driving source loud speaker.
Claims (10)
1. a multiple spot driving source Loudspeaker fixture is characterized in that: comprise patrix (1) and counterdie (2); The two ends of described patrix (1) long axis direction are provided with two patrix limit bodies (1a) that are symmetrically distributed along patrix (1) major axis center line, and two major axis sides of patrix limit body (1a) are provided with spacing breach (1a.1); Be provided with at least two voice coil suspensions (1c) that distribute along long axis direction between described two patrix limit bodies (1a), voice coil suspension (1c) lower end is the ring-type location division for positioning and fixing location voice coil loudspeaker voice coil; The two ends of described counterdie (2) long axis direction are provided with two counterdie limit bodies (2a) that are symmetrically distributed along counterdie (2) major axis center line, two major axis sides of counterdie limit body (2a) are provided with positive stop lug boss (2a.1), and described positive stop lug boss (2a.1) is corresponding with spacing breach (1a.1) position and shape identical; Be provided with one between described two counterdie limit bodies (2a) along the sound basin (2c) of long axis direction center of distribution symmetry, the shape of sound basin (2c) and the shape of sound basin and locating branch slice are complementary.
2. multiple spot driving source Loudspeaker fixture as claimed in claim 1, it is characterized in that: two major axis sides of described patrix (1) are provided with two long raised lines (2b) that extend downwards, two major axis sides of described counterdie (2) are provided with two long deficient grooves (2b), and described long deficient groove (2b) is corresponding with long raised line (2b) position and shape identical.
3. multiple spot driving source Loudspeaker fixture as claimed in claim 1, it is characterized in that: the bottom of described patrix limit body (1a) is provided with location depression (1a.2), the top of described counterdie limit body (2a) is provided with positioning convex (2a.2), when patrix (1) was fit with counterdie (2) coupling, described location depression (1a.2) was corresponding chimeric with positioning convex (2a.2).
4. multiple spot driving source Loudspeaker fixture as claimed in claim 1 is characterized in that: have a plurality of telescopic chutes (1c.1) that along the circumferential direction distribute on the ring-type location division of described voice coil suspension (1c) lower end.
5. multiple spot driving source Loudspeaker fixture as claimed in claim 1, it is characterized in that: described patrix is mounted with magnetic absorption member on (1), and the correspondence position on the counterdie (2) is mounted with down magnetic absorption member, and the described magnetic absorption member that goes up is inhaled when close with following magnetic absorption member mutually.
6. multiple spot driving source Loudspeaker fixture as claimed in claim 5, it is characterized in that: the lower surface of described patrix limit body (1a) is provided with patrix groove (1d), and the described magnetic absorption member that goes up is loaded in the patrix groove (1d); The upper surface of described counterdie limit body (2a) is provided with counterdie groove (2d), and described counterdie groove (2d) is corresponding with patrix groove (1d) position, and described magnetic absorption member down is loaded in the counterdie groove (2d).
7. multiple spot driving source Loudspeaker fixture as claimed in claim 5 is characterized in that: describedly go up magnetic absorption member and following magnetic absorption member is magnet; Or one of them is magnet, and another is ironware.
8. multiple spot driving source Loudspeaker fixture as claimed in claim 1 is characterized in that: the patrix limit body (1a) at described patrix (1) two ends go up and two long raised lines (2b) and a plurality of voice coil suspension (1c) between the position be provided with a plurality of hollow outs place (1f).
9. multiple spot driving source Loudspeaker fixture as claimed in claim 1 is characterized in that: described voice coil suspension (1c) all around and voice coil suspension (1c) bottom be provided with hole (1e).
10. multiple spot driving source Loudspeaker fixture as claimed in claim 1 is characterized in that: be respectively equipped with through hole (2e) on the counterdie limit body (2a) at described counterdie (2) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223881.9A CN103269470B (en) | 2013-06-06 | 2013-06-06 | Multi-point excitation source loudspeaker clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223881.9A CN103269470B (en) | 2013-06-06 | 2013-06-06 | Multi-point excitation source loudspeaker clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103269470A true CN103269470A (en) | 2013-08-28 |
| CN103269470B CN103269470B (en) | 2015-07-15 |
Family
ID=49013075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310223881.9A Active CN103269470B (en) | 2013-06-06 | 2013-06-06 | Multi-point excitation source loudspeaker clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103269470B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205440A1 (en) * | 2017-05-08 | 2018-11-15 | 歌尔股份有限公司 | Miniature sound generator |
| CN113556663A (en) * | 2021-07-20 | 2021-10-26 | 潍坊歌尔丹拿电子科技有限公司 | Voice coil support assembling mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010048751A1 (en) * | 2000-05-08 | 2001-12-06 | Christien Ellis | Elongate panel loudspeaker |
| CN102118678A (en) * | 2011-04-02 | 2011-07-06 | 嘉兴中科声学科技有限公司 | Method and system for measuring speaker parameters by using current sensor |
| CN102197661A (en) * | 2008-10-27 | 2011-09-21 | 松下电器产业株式会社 | Speaker, speaker manufacturing method and speaker manufacturing jig |
| CN102802108A (en) * | 2012-07-31 | 2012-11-28 | 广州市拓煌电声配件科技有限公司 | Equipment and method for testing Young modulus and consumption factor of loudspeaker cone |
| CN203279109U (en) * | 2013-06-06 | 2013-11-06 | 无锡杰夫电声有限公司 | Multiple-point excitation source loudspeaker clamp |
-
2013
- 2013-06-06 CN CN201310223881.9A patent/CN103269470B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010048751A1 (en) * | 2000-05-08 | 2001-12-06 | Christien Ellis | Elongate panel loudspeaker |
| CN102197661A (en) * | 2008-10-27 | 2011-09-21 | 松下电器产业株式会社 | Speaker, speaker manufacturing method and speaker manufacturing jig |
| CN102118678A (en) * | 2011-04-02 | 2011-07-06 | 嘉兴中科声学科技有限公司 | Method and system for measuring speaker parameters by using current sensor |
| CN102802108A (en) * | 2012-07-31 | 2012-11-28 | 广州市拓煌电声配件科技有限公司 | Equipment and method for testing Young modulus and consumption factor of loudspeaker cone |
| CN203279109U (en) * | 2013-06-06 | 2013-11-06 | 无锡杰夫电声有限公司 | Multiple-point excitation source loudspeaker clamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205440A1 (en) * | 2017-05-08 | 2018-11-15 | 歌尔股份有限公司 | Miniature sound generator |
| CN113556663A (en) * | 2021-07-20 | 2021-10-26 | 潍坊歌尔丹拿电子科技有限公司 | Voice coil support assembling mechanism |
| CN113556663B (en) * | 2021-07-20 | 2023-04-07 | 潍坊歌尔丹拿电子科技有限公司 | Voice coil support assembling mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103269470B (en) | 2015-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2009217136B2 (en) | Inner magnetic transducer with multiple magnectic gaps and multiple coils and preparation method thereof | |
| CN104202710B (en) | A kind of production technology of loudspeaker | |
| CN102892063A (en) | Multi-driver transducer with symmetrical magnetic circuits and symmetrical coil circuits | |
| CN1270488A (en) | Loudspeaker | |
| CN101026901A (en) | Double-coil dual magnetic gap transducer | |
| CN110662155B (en) | Sound production device and assembly method thereof | |
| CN203608363U (en) | Clamp for bonding voice diaphragm with voice coil | |
| CN103269470B (en) | Multi-point excitation source loudspeaker clamp | |
| CN204991439U (en) | Three -dimensional rubber coating device of rolling up iron core of metallic glass | |
| CN102932729B (en) | A kind of magnetic circuit mounter | |
| CN203279108U (en) | Multiple-point excitation source loudspeaker clamp | |
| CN204518057U (en) | The diaphragm structure of panel speaker | |
| CN203279109U (en) | Multiple-point excitation source loudspeaker clamp | |
| CN204107733U (en) | A kind of Multifunctional ornament spray finishing jig | |
| CN102387450A (en) | Dual-magnetic-gap dual-coil external-magnetic transducer and preparation method thereof | |
| CN200941682Y (en) | Double-coil double-magnetic gap transducer | |
| CN202190400U (en) | Dissipative magnetic field type tweeter | |
| CN209283497U (en) | A kind of loudspeaker and sound drive massager | |
| WO2013047792A1 (en) | Speaker, manufacturing method thereof, and drive unit thereof | |
| CN103269464B (en) | Multipoint excitation source loudspeaker clamp | |
| CN105792080B (en) | Coaxial point sound source magnetic circuit device and the loudspeaker with the magnetic circuit device | |
| CN104202709A (en) | Method for assembling voice diaphragm of loudspeaker | |
| CN104202701A (en) | Method for assembling magnetic circuit of loudspeaker | |
| CN206283668U (en) | A kind of loudspeaker of multipath magnetic circuit structure | |
| CN204119519U (en) | A kind of loud speaker assembly tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 214192 Xishan, Jiangsu, Beizhen Tin Tin Tin Road, No. eight, No. 228 Patentee after: WUXI JIEFU ELECTROACOUSTIC CO., LTD. Address before: 214192 eight Wuxi, Beizhen, Xishan District, Jiangsu Patentee before: Jiefu Electroacoustic Co., Ltd., Wuxi |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Multi-point excitation source loudspeaker clamp Effective date of registration: 20190705 Granted publication date: 20150715 Pledgee: Agricultural Bank of China, Limited by Share Ltd, Wuxi, Xishan branch Pledgor: WUXI JIEFU ELECTROACOUSTIC CO., LTD. Registration number: 2019990000661 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |