CN102518994A - Exhibition cabinet lamp with rotary lamp cap - Google Patents
Exhibition cabinet lamp with rotary lamp cap Download PDFInfo
- Publication number
- CN102518994A CN102518994A CN201110443481XA CN201110443481A CN102518994A CN 102518994 A CN102518994 A CN 102518994A CN 201110443481X A CN201110443481X A CN 201110443481XA CN 201110443481 A CN201110443481 A CN 201110443481A CN 102518994 A CN102518994 A CN 102518994A
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- Prior art keywords
- lamp
- lamp holder
- spring
- pressing plate
- hole
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- 238000003825 pressing Methods 0.000 claims abstract description 29
- 230000000670 limiting effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 description 4
- 208000004350 Strabismus Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses an exhibition cabinet lamp with a rotary lamp cap. The lamp comprises a lamp body and a lamp cap which is rotationally connected to the lamp body, and is characterized in that: the bottom of the lamp cap is provided with an elastic driving component; the elastic driving component comprises a spring seat, a positioning pin, a spring and a pressing plate; the positioning pin is accommodated in the spring seat; the spring seat is provided with an end hole through which the head of the positioning pin extends out; the spring is sleeved outside the positioning pin; one end of the spring is axially limited on the positioning pin; a hole cavity is formed on the pressing plate; the spring seat is fixedly arranged in the hole cavity; the other end of the spring is axially limited in the hole cavity; the pressing plate is fixedly connected with the lamp body; and the spring makes the head of the positioning pin always extend out of the spring seat through an end hole and press against the bottom of the lamp cap. By the lamp, elastic pre-tightening force can be generated at the bottom of the lamp cap, the rotating force of the lamp cap can be adjusted by replacing the spring, and the exhibition cabinet lamp has a simple structure and is convenient to mount. Moreover, the lamp cap can be always pressed against the lamp body under the action of the elastic driving component, and the radiating efficiency is improved.
Description
Technical field
The present invention relates to the showcase lamp of a kind of light fixture, particularly a kind of rotatable lamp holder.
Background technology
At present, the lamp holder rotational structure of common light fixture is mainly adopted in the lamp holder center of rotation and is done limited post, perhaps fixedly obtains the swing of lamp holder and the rotation in axle center through a limited post and an annulus.Like the patent No. is the great power LED shot-light that the Chinese utility model " adjustable angle joint great power LED shot-light " of ZL201020633734.0 discloses a kind of adjustable angle joint, includes lamp socket; Led light source assembly and lampshade; It is characterized in that: the LED shot-light also includes swivel becket; This swivel becket is connected with lampshade and cooperates also and can rotate with respect to this lampshade; Offer two symmetrically arranged first hinge holes of the axis with respect to this lamp socket on the circumference of lamp socket; The axial line of two first hinge holes is provided with respect to the cross-section center of lamp socket is eccentric; The inboard of swivel becket is respectively arranged with a junction in the position of corresponding first hinge hole, offers second hinge hole that aligns with first hinge hole on the connecting portion, is equipped with turning cylinder in first hinge hole and second hinge hole.But the light fixture of this structure is because lamp holder and lamp body branch are arranged, and integral body requires the space big; And the Steering lamp of this structure is in rotation process, and lamp holder does not contact with lamp body; Make the heat of lamp holder can not be delivered on the lamp outer casing; Be unfavorable for heat radiation, often need on lamp holder, set up heat abstractor in addition, increased the complexity and the manufacturing cost of light fixture for large-scale light fixture.
In the prior art, another kind of lamp holder rotational structure commonly used is: adopt lamp holder to contact with sphere with shell, and at lamp holder the pretightning force of one plastic deformation is arranged at the back; As the patent No. be the Chinese utility model " a kind of LED shot-light of adjustable angle " of ZL201020667204.8 open so a kind of shot-light of structure; Include lamp socket, lamp body and patch the conduction element that is connected with supply socket, lamp body includes housing and the illuminator that is arranged in this housing, is electrically connected through lead between conduction element and the illuminator; It is characterized in that: lamp socket offers cavity; Be provided with the annulus that can cooperate with the housing rotation in this cavity, wherein, the medial surface of annulus is back taper; Lower part of frame cooperates with the medial surface rotation of said annulus; The top of lamp socket also is provided with end cap, and end cap offers the through hole that stretch out the end that can supply said housing, and housing shaft is in the through hole that is limited in said end cap.This patent is provided with silicagel pad or ripple spring between the bottom surface of annulus and cavity; It is bigger to rotate contact-making surface; Be applicable to the lamp holder of global face structure; And the pretightning force that this plastic deformation produces can't guarantee long-time effective use of lamp holder in repeatedly use or the inefficacy easily of long-time application back.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of structure small and exquisite, easy for installation and can regulate the showcase lamp of the rotatable lamp holder of rotation dynamics to above-mentioned prior art present situation.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of showcase lamp of rotatable lamp holder; Include lamp body and be rotatably connected to the lamp holder on this lamp body; It is characterized in that: the bottom of described lamp holder also is provided with can adjust the flexible drive assembly that this lamp holder rotates dynamics; Described flexible drive assembly includes spring base, alignment pin, spring and pressing plate; Wherein, described alignment pin is placed in the said spring base, and this spring base offers the stomidium that supplies said alignment pin head to stretch out; Described spring housing is located at outside the said alignment pin, and an end axial limiting of said spring is on this alignment pin; Offer vestibule on the said pressing plate; Said spring base is fixedly set in the said vestibule; The other end axial limiting of said spring is in said vestibule; Said pressing plate is fixing to be fixedly linked with said lamp body again, and said spring has the head that makes said alignment pin and stretches out in the stomidium of said spring base and the trend that offsets with said lamp holder bottom all the time.
In order to realize the axial location of spring, and simplified structure, as preferably, said alignment pin is along the circumferential one-body molded baffle ring that evagination is arranged, and an end of said spring and the lower surface of said baffle ring offset.Through the baffle ring structure of moulding evagination on alignment pin, make an end of spring can be directly and this baffle ring offset, thereby realize spring shaft to the location.
In order to realize the axial limiting of alignment pin, as preferably, the upper surface of said baffle ring is taper seat, the stomidium inner face of said spring base be formed with can with the suitable internal conical surface in the upper surface of said baffle ring.So when alignment pin was outwards ejected by the elastic force driving, the taper seat of alignment pin can cooperate the realization axial limiting that offset with the internal conical surface of spring base, is the cambered surface contact between alignment pin and the spring base, can guarantee that contact is more reliable, and make things convenient for die sinking.
Deviate from order to prevent spring base; Guarantee that spring base is set with in the pressing plate; As preferably, described spring base forms the card division of evagination on lateral wall, and the vestibule of said pressing plate is formed with at openend and can offsets with said card division and realize the card base of this spring base axial limiting.The cooperation of card division and card base can make things convenient for the installation and removal of spring base, during installation, only needs spring base embedded in the vestibule of pressing plate and gets final product, and is easy to operate.
In order to realize the location of spring, prevent the distortion of spring, as preferably, the vestibule of said pressing plate also forms a column in the bottom, and said column is inverted T shape, and the other end of said spring is sheathed on this column and offsets with the T shape step surface of said column.The other end of spring is set on the column, can not only play guiding function, can also realize axial limiting.
As preferably; Described lamp body offers the through hole that supplies said lamp holder to pass; The madial wall of said through hole forms first spherical that the upper end is little, the lower end is big, and the lateral wall bottom of said lamp holder is formed with and can matches with first spherical of said through hole and second spherical of axial limiting in this through hole.So, realizing rotatable the cooperation through the sphere contact between lamp holder and the lamp body, the sphere contact can guarantee the rotation of lamp holder in 360 degree scopes, has enlarged the rotatable angle of lamp holder; And; In sphere contact, can realize axial limiting again between lamp holder and the lamp body, the bottom through spring driven alignment pin and lamp holder offsets; First spherical that makes second spherical of lamp holder can be all the time form with lamp body through hole madial wall is tight against; After guaranteeing long-time the use, lamp holder contacts with the good of lamp body shell, guarantees the thermal diffusivity of lamp holder.
Dismounting for ease; Preferred as further; The two ends of said pressing plate offer installing hole, and described lamp body includes upper shell and the lower house that is interconnected in one, and said through hole is opened on the upper shell; Offer blind hole in the position of the said installing hole of correspondence on the medial surface of said upper shell, be fixedly connected with screw in the corresponding blind hole through being arranged in said installing hole between said pressing plate and the said upper shell.
In order to realize the combination that is connected with other lamp bodies, preferred as further, the two ends of said lamp body are connected with respectively and can supply lead to pass and the connector of external other lamp bodies.
As preferably, the bottom of said lamp holder offers the groove that can offset with the head of said alignment pin.So the head of alignment pin can be contained in the groove, groove can play guiding function, guarantees alignment pin in the roof pressure lamp holder, can not squint in the position, guarantees that lamp holder rotates the stressed uniformity of dynamics.
Preferred as further, the bottom of said lamp holder also offers the fairlead that supplies lead to pass.So the inner lead of lamp holder can pass through fairlead, has both guaranteed that the lead combing is orderly, has improved security and convenience again.
Compared with prior art; The invention has the advantages that: adopt the flexible drive assembly of forming by spring base, alignment pin, spring and pressing plate to produce an elasticity pretightning force in the lamp holder bottom; This elasticity pretightning force is a spring force; Compare plastic deformation force of the prior art and have better durable wear-resistant, prolonged the service life of product; And, just can realize that through changing spring lamp holder rotates the adjustment of dynamics, simple in structure, easy for installation, can be applicable to the instructions for use of different model light fixture; In addition; Lamp holder can be tight against with lamp body under effect at the flexible drive assembly all the time mutually, makes lamp holder after long-time the use, can save the trouble that heat abstractor is set in addition on lamp holder timely through the lamp body heat radiation; Improve radiating efficiency, reduced design and production cost.
Description of drawings
Fig. 1 is the showcase lamp overall structure sketch map of the embodiment of the invention.
Fig. 2 is the showcase lamp three-dimensional exploded view of the embodiment of the invention.
Fig. 3 is the showcase lamp sectional arrangement drawing of the embodiment of the invention.
Fig. 4 is the showcase lamp lamp holder partial exploded view of the embodiment of the invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Like Fig. 1～shown in Figure 4; Present embodiment is a kind of showcase lamp LED illumination, rotatable lamp holder that adopts, and this showcase lamp includes lamp body 1 and is connected a plurality of lamp holders 2 on this lamp body 1, wherein; Lamp body 1 is made up of upper shell that is interconnected in one 11 and lower house 12; Lamp body 1 offers the through hole 111 that a plurality of confession lamp holders 2 pass at upper shell 11, and the madial wall of each through hole 111 is formed with first spherical 112, and the cross section of this first spherical 112 is the back-off shape bowl-type that the upper end is little, the lower end is big; The lateral wall bottom of each lamp holder 2 is formed with second spherical 21 that can match with first spherical 112 of through hole 111; The cross section of this second spherical 21 also is the back-off shape bowl-type that the upper end is little, the lower end is big, and after lamp holder 2 passed through hole 111, second spherical 21 of lamp holder 2 fitted with first spherical 112 of through hole 111; And realization lamp holder 2 is along the axial limiting of through hole 111; Owing to be the sphere contact between lamp holder 22 and the lamp body 1, when swing lamp holder 22, can realize that this lamp holder 22 is with respect to the rotation of lamp body 1 in 360 degree scopes;
Interconnecting and making up between a plurality of for ease lamp bodies 1; The two ends of lamp body 1 also are connected with one respectively and can supply lead to pass and the connector 13 of external other lamp bodies 1; In order to prevent that lead from being pullled or disarraying, the bottom of lamp holder 2 also offers the fairlead 22 that supplies lead to pass.In addition, lamp holder 2 internal structures of present embodiment are prior art, specifically can be made up of lens, LED illuminator and wiring board lamp etc., and the internal structure of lamp body 1 is not the concrete inventive point of present embodiment, omits the detailed description of lamp body 1 internal structure once more.
The lamp holder 2 of present embodiment is rotatably connected on the lamp body 1 through the sphere contact; The bottom of each lamp holder 2 is provided with a flexible drive assembly; This flexible drive assembly includes spring base 3, alignment pin 4, spring 5 and pressing plate 6, and wherein, alignment pin 4 is along the circumferential one-body molded baffle ring 41 that evagination is arranged; The upper surface of baffle ring 41 is taper seat; Alignment pin 4 is placed in the spring base 3, and spring base 3 offers the stomidium 31 that the head 42 that supplies alignment pin 4 stretches out, stomidium 31 inner faces of spring base 3 be formed with can with the suitable internal conical surface in the upper surface of baffle ring 41;
The two ends of pressing plate 6 also have flank 64; Offer installing hole 641 on each flank 64; The medial surface of upper shell 11 offers ability and installing hole 641 corresponding blind holes 113 in the both sides that are positioned at through hole 111, be fixedly connected with corresponding blind hole 113 interior screws through being arranged in installing hole 641 between pressing plate 6 and the upper shell 11.
So; Alignment pin 4 is contained in the spring base 3 with spring 5, and spring base 3 is arranged in the pressing plate 6, and pressing plate 6 is fixedly attached to the upper shell 11 of lamp body 1 again through screw; Alignment pin 4 receive spring force effect and by outside the stomidium 31 of ejector spring seat 3; And the head 42 of alignment pin 4 just in time is resisted against in the groove 23 of lamp holder 2 bottoms, can realize that the difference of lamp holder 2 is rotated dynamics through the adjustment to spring 5;
Thus; When lamp holder 2 rotated, the pressure of spring 5 guaranteed can produce uniform CONTACT WITH FRICTION between lamp holder 2 and the lamp body 1, and the initial tension of spring that lamp holder 2 bottoms produce makes second spherical 21 of lamp holder 2 lateral walls to fit together fully with first spherical 112 of lamp body 1; Be that lamp holder 2 is in impaction state with lamp body 1 always; Product design can be accomplished littler, and after lamp holder 2 long-time illuminations were used, the heat that lamp holder 2 produces can in time be delivered on the lamp body 1; Make lamp holder 2 have better thermal diffusivity, prolong the service life of light fixture.
Claims (10)
1. the showcase lamp of a rotatable lamp holder; Include lamp body (1) and be rotatably connected to the lamp holder (2) on this lamp body (1); It is characterized in that: the bottom of described lamp holder (2) also is provided with can adjust the flexible drive assembly that this lamp holder (2) rotates dynamics; Described flexible drive assembly includes spring base (3), alignment pin (4), spring (5) and pressing plate (6); Wherein, described alignment pin (4) is placed in the said spring base (3), and this spring base (3) offers the stomidium (31) that the head (42) that supplies said alignment pin (4) stretches out; Described spring (5) is sheathed on outside the said alignment pin (4), and an end axial limiting of said spring (5) is on this alignment pin (4); Offer vestibule (61) on the said pressing plate (6); Said spring base (3) is fixedly set in the said vestibule (61); The other end axial limiting of said spring (5) is in said vestibule (61); Said pressing plate (6) is fixing to be fixedly linked with said lamp body (1) again, and said spring (5) has stomidium that stretches out in said spring base (3) all the time (31) that makes said alignment pin (4) and the trend that offsets with said lamp holder (2) bottom.
2. the showcase lamp of rotatable lamp holder according to claim 1 is characterized in that: said alignment pin (4) is along the circumferential one-body molded baffle ring (41) that evagination is arranged, and the lower surface of an end of said spring (5) and said baffle ring (41) offsets.
3. the showcase lamp of rotatable lamp holder according to claim 2, it is characterized in that: the upper surface of said baffle ring (41) is taper seat, stomidium (31) inner face of said spring base (3) be formed with can with the suitable internal conical surface in upper surface of said baffle ring (41).
4. the showcase lamp of rotatable lamp holder according to claim 1; It is characterized in that: described spring base (3) forms the card division (32) of evagination on lateral wall, and the vestibule (61) of said pressing plate (6) is formed with at openend and can offsets with said card division (32) and realize the card base (62) of this spring base (3) axial limiting.
5. the showcase lamp of rotatable lamp holder according to claim 1; It is characterized in that: the vestibule (61) of said pressing plate (6) also forms a column (63) in the bottom; Said column (63) is inverted T shape, and the other end of said spring (5) is sheathed on that this column (63) is gone up and offsets with the T shape step surface of said column (63).
6. according to the showcase lamp of the described rotatable lamp holder of arbitrary claim in the claim 1～5; It is characterized in that: described lamp body (1) offers the through hole (111) that supplies said lamp holder (2) to pass; The madial wall of said through hole (111) forms first spherical (112) that the upper end is little, the lower end is big, and the lateral wall bottom of said lamp holder (2) is formed with and can matches with first spherical (112) of said through hole (111) and second spherical (21) of axial limiting in this through hole (111).
7. the showcase lamp of rotatable lamp holder according to claim 6; It is characterized in that: the two ends of said pressing plate (6) offer installing hole (641); Described lamp body (1) includes upper shell (11) and the lower house (12) that is interconnected in one; Said through hole (111) is opened on the upper shell (11); Offer blind hole (113) in the position of the said installing hole of correspondence (641) on the medial surface of said upper shell (11), be fixedly connected with the interior screw of corresponding blind hole (113) through being arranged in said installing hole (641) between said pressing plate (6) and the said upper shell (11).
8. the showcase lamp of rotatable lamp holder according to claim 6 is characterized in that: the two ends of said lamp body (1) are connected with respectively and can supply lead to pass and the connector (13) of external other lamp bodies (1).
9. according to the showcase lamp of the described rotatable lamp holder of arbitrary claim in the claim 1～5, it is characterized in that: the bottom of said lamp holder (2) offers the groove (23) that can offset with the head (42) of said alignment pin (4).
10. the showcase lamp of rotatable lamp holder according to claim 9 is characterized in that: the bottom of said lamp holder (2) also offers the fairlead (22) that supplies lead to pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110443481.XA CN102518994B (en) | 2011-12-27 | 2011-12-27 | Exhibition cabinet lamp with rotary lamp cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110443481.XA CN102518994B (en) | 2011-12-27 | 2011-12-27 | Exhibition cabinet lamp with rotary lamp cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102518994A true CN102518994A (en) | 2012-06-27 |
| CN102518994B CN102518994B (en) | 2014-04-30 |
Family
ID=46290014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110443481.XA Active CN102518994B (en) | 2011-12-27 | 2011-12-27 | Exhibition cabinet lamp with rotary lamp cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102518994B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712176A (en) * | 2012-09-29 | 2014-04-09 | 深圳市海洋王照明工程有限公司 | Lamp shell structure and lamp with same |
| CN103712175A (en) * | 2012-09-29 | 2014-04-09 | 深圳市海洋王照明工程有限公司 | Lamp housing structure and lamp with the same |
| CN108224383A (en) * | 2018-01-09 | 2018-06-29 | 广东思雅特科技有限公司 | A kind of electric connection structure of lamp |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009277364A (en) * | 2008-05-12 | 2009-11-26 | Panasonic Electric Works Co Ltd | Illumination fixture |
| CN202056829U (en) * | 2011-04-29 | 2011-11-30 | 重庆小草科技有限公司 | Radiator for LED (Light Emitting Diode) energy-saving street lamp |
| CN202403108U (en) * | 2011-12-27 | 2012-08-29 | 林万炯 | Showcase lamp with rotary lamp head |
-
2011
- 2011-12-27 CN CN201110443481.XA patent/CN102518994B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009277364A (en) * | 2008-05-12 | 2009-11-26 | Panasonic Electric Works Co Ltd | Illumination fixture |
| CN202056829U (en) * | 2011-04-29 | 2011-11-30 | 重庆小草科技有限公司 | Radiator for LED (Light Emitting Diode) energy-saving street lamp |
| CN202403108U (en) * | 2011-12-27 | 2012-08-29 | 林万炯 | Showcase lamp with rotary lamp head |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712176A (en) * | 2012-09-29 | 2014-04-09 | 深圳市海洋王照明工程有限公司 | Lamp shell structure and lamp with same |
| CN103712175A (en) * | 2012-09-29 | 2014-04-09 | 深圳市海洋王照明工程有限公司 | Lamp housing structure and lamp with the same |
| CN103712176B (en) * | 2012-09-29 | 2018-07-27 | 深圳市海洋王照明工程有限公司 | Lamp casing structure and lamps and lanterns with the lamp casing structure |
| CN103712175B (en) * | 2012-09-29 | 2018-09-04 | 深圳市海洋王照明工程有限公司 | Lamp casing structure and lamps and lanterns with the lamp casing structure |
| CN108224383A (en) * | 2018-01-09 | 2018-06-29 | 广东思雅特科技有限公司 | A kind of electric connection structure of lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102518994B (en) | 2014-04-30 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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Owner name: NINGBO HI. TECH. PARK SELF ELECTRONICS CO., LTD. Free format text: FORMER OWNER: LIN WANJIONG Effective date: 20140928 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20140928 Address after: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345 Patentee after: SELF ELECTRONICS CO.,LTD. Address before: 315103 Zhejiang city of Ningbo province high tech Zone Juxian Road No. 1345 Ningbo Purcell Electronics Ltd. Patentee before: Lin Wanjiong |
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| C56 | Change in the name or address of the patentee | ||
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Address after: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345 Patentee after: SELF ELECTRONICS CO., LTD. Address before: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345 Patentee before: SELF ELECTRONICS CO.,LTD. |