CN203947914U - A kind of Electromagnetical door holder device - Google Patents
A kind of Electromagnetical door holder device Download PDFInfo
- Publication number
- CN203947914U CN203947914U CN201420340360.1U CN201420340360U CN203947914U CN 203947914 U CN203947914 U CN 203947914U CN 201420340360 U CN201420340360 U CN 201420340360U CN 203947914 U CN203947914 U CN 203947914U
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- China
- Prior art keywords
- pedestal
- tumbler
- suction disc
- electromagnet
- door
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- 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.)
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000002184 metal Substances 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 238000001179 sorption measurement Methods 0.000 abstract description 6
- 238000003032 molecular docking Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
A kind of Electromagnetical door holder device, comprise that a door-inhale main body and is by suction main body, described door-inhale main body comprises that a mount pad and is fixedly arranged on the electromagnet of described mount pad one side, described electromagnet is horizontally disposed with, and the described main body of being inhaled comprises that one is fixedly arranged on pedestal and the metal suction disc that can be flexibly connected and can be attached together with described electromagnet with respect to described pedestal on door.When mount pad of the present utility model is installed, electromagnet is in suction disc adsorption process, suction disc swings to and the parallel corresponding position of electromagnet, guarantee smooth docking between electromagnet and suction disc, avoided gapped existence between electromagnet and suction disc, make electromagnet to suction disc absorption firmly, realize the normally open of door.
Description
Technical field
The utility model relates to a kind of Electromagnetical door holder device.
Background technology
At present, existing Electromagnetical door holder device is in installation process, door-inhale main body is arranged on the ground, to be inhaled main body and be installed to door above, door-inhale main body is held by inhaling main body the open mode that realizes door, but in installation process, due to door-inhale main body with by suction main body, all inclination may be installed, increased door-inhale main body and inhaled the gap between main body, door-inhale main body is weakened inhaling the absorption affinity of main body, is difficult to realize the open mode of door.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and the Electromagnetical door holder device that a kind of absorption affinity is strong is provided.
The utility model is to realize like this, a kind of Electromagnetical door holder device, comprise that a door-inhale main body and is by suction main body, described door-inhale main body comprises that a mount pad and is fixedly arranged on the electromagnet of described mount pad one side, described electromagnet is horizontally disposed with, and the described main body of being inhaled comprises that one is fixedly arranged on pedestal and the metal suction disc that can be flexibly connected and can be attached together with described electromagnet with respect to described pedestal on door.
Preferably, described pedestal is that a cross section is U-shaped grooved clip, between described pedestal and described suction disc, interval arranges, described suction disc middle part is fixedly connected with described pedestal by one first screw, on described the first screw, be arranged with an elastic ring, described elastic ring one side and described pedestal butt, described elastic ring opposite side and described suction disc butt.
Preferably, described suction disc one side is also fixedly connected with described pedestal by a spline pin.
Preferably, described pedestal two inside walls are installed with respectively a cushion pad, and described pedestal is provided with some set screw for door is gripped, and one end that described set screw contacts with described cushion pad is installed with a dummy block.
Preferably, described pedestal is one for being fixed to the flat board on door, described pedestal middle part is connected with described suction disc middle part by a tumbler, described tumbler comprises the first tumbler and the second tumbler, described suction disc is fixedly connected with described the first tumbler, described the first tumbler and described the second tumbler are rotationally connected, and described the second tumbler and described pedestal are rotationally connected.
Preferably, described the first tumbler and the second tumbler are the channel that cross section is U-shaped, described the first tumbler and the second tumbler are rotationally connected by a bearing pin, between described the second tumbler and pedestal, by one second screw turns, connect, matched in clearance between described the second screw and pedestal, described the second screw is fixedly connected with described the second tumbler.
Preferably, described pedestal is one for being fixed to the base plate on door, described pedestal middle part is connected with described suction disc middle part by a connection piece, described connector comprises one first connector and one second connector, described suction disc is fixedly connected with described the first connector, described the first connector and described the second connector are hinged, and described the second connector is fixedly connected with described pedestal.
Preferably, on described the first connector, offer one and run through the little bowl-type hole of the large opening of described the first connector and bottom, described the second connector comprises a cylinder and a bulb that coaxially arranges and be fixedly connected with described cylinder, described bulb is located in described bowl-type hole, and described cylinder is fixedly connected with described pedestal.
Preferably, in described bowl-type hole, be provided with one first spring, described first spring one end and described suction disc middle part butt, the described first spring other end and described bulb top butt, the inner surface in the external surface of described bulb and described bowl-type hole rotates butt.
Preferably, described mount pad is connected with described electromagnet by a nut, described electromagnet middle part laterally offers an inner bore of step, described inner bore of step comprises large end endoporus and a small end endoporus, described large end endoporus perisporium is provided with internal thread, described nut is located in described large end endoporus, described nut and described electromagnet are spirally connected, in described inner bore of step, be provided with a buffer, described buffer comprises a plastics step cylinder and one second spring, described step cylinder comprises large end cylinder and a small end cylinder, described second spring one end and described nut butt, the described second spring other end and described large end cylinder butt, described small end cylinder is arranged in described small end endoporus and protrudes from described electromagnet external surface, described small end cylinder and described small end endoporus are slidably matched, described large end cylinder closes on described small end cylinder one side and described large end endoporus bottom butt.
When mount pad of the present utility model is installed, electromagnet is in suction disc adsorption process, suction disc swings to and the parallel corresponding position of electromagnet, guarantee smooth docking between electromagnet and suction disc, avoided gapped existence between electromagnet and suction disc, make electromagnet to suction disc absorption firmly, realize the normally open of door.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the Electromagnetical door holder device schematic diagram that the utility model provides;
Fig. 2 is mount pad and electromagnet connection diagram in the Electromagnetical door holder device that provides of the utility model;
Fig. 3 be in the Electromagnetical door holder device that provides of the utility model embodiment mono-pedestal and suction disc by the first screw connection diagram;
Fig. 4 is that in the Electromagnetical door holder device that provides of the utility model embodiment bis-, pedestal, tumbler and suction disc master look exploded view;
Fig. 5 is pedestal, tumbler and suction disc top exploded view in the Electromagnetical door holder device that provides of the utility model embodiment bis-;
Fig. 6 be in the Electromagnetical door holder device that provides of the utility model embodiment tri-pedestal and suction disc by connector connection diagram.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
Embodiment mono-:
As shown in Fig. 1 ~ Fig. 3, a kind of Electromagnetical door holder device that the utility model provides, comprise that a door-inhale main body 1 and is by suction main body 2, door-inhale main body 1 comprises that a mount pad 3 and is fixedly arranged on the electromagnet 4 of mount pad 3 one sides, between mount pad 3 and electromagnet 4, being preferably nut 5 connects, electromagnet 4 is horizontally disposed with, electromagnet 4 middle parts laterally offer an inner bore of step, inner bore of step comprises large end endoporus 41 and a small end endoporus 42, large end endoporus 41 inwalls are provided with internal thread (not shown), the screw rod 51 of nut 5 passes mount pad 3 and is located in inner bore of step, realize mount pad 3 being fixedly connected with by nut 5 and electromagnet 4, in inner bore of step, be provided with a buffer, buffer comprises a plastics step cylinder 43 and one second spring 44, step cylinder 43 comprises large end cylinder 431 and a small end cylinder 432, second spring 44 one end and nut 5 butts, second spring 44 other ends and large end cylinder 431 butts, small end cylinder 432 is arranged in small end endoporus 42 and protrudes from electromagnet 4 external surfaces, small end cylinder 432 is slidably matched with small end endoporus 42, large end cylinder 431 closes on small end cylinder 432 1 sides and large end endoporus 41 bottom butts, buffer can slow down by inhale main body 2 in by electromagnet 4 absorption fixation procedure due to electromagnet 4 the excessive collision to electromagnet 4 of adsorption magnetic force, avoid being inhaled main body 2 and break electromagnet 4, can also prevent that people from overexerting and door-inhale main body 1 is caused to greater impact in the process of opening the door simultaneously, inhaled main body 2 and comprised that one is fixedly arranged on pedestal 21 and the metal suction disc 22 that can be flexibly connected and can be attached together with electromagnet 4 with respect to pedestal 21 on door 6, pedestal 21 is that a cross section is U-shaped grooved clip, pedestal 21 arranges with suction disc 22 intervals, suction disc 22 middle parts are fixedly connected with pedestal 21 by one first screw 23, on the first screw 23, be arranged with an elastic ring 24, elastic ring 24 1 sides and pedestal 21 butts, elastic ring 24 opposite sides and suction disc 22 butts, having realized the absorption of 1 pair of quilt suction main body 2 of door-inhale main body fixes, and then realized the fixing of door-inhale main body 1 opposite house 6, make door 6 for normally open.
Preferably, mount pad 3 one sides offer a square opening (not shown), the axial line of the center line of square opening and nut 5 is on same straight line, in square opening, be installed with a switch 7 to electromagnet 4 energisings or power-off, square opening has two kinds of purposes, the first purposes is that rotating nut 5 can disassemble electromagnet 4 or install from mount pad 3 in square opening, the second purposes is that switch 7 is installed in square opening, one hole is multiplex reasonable in design, novelty is skillfully constructed, open less a square opening and saved man power and material, reduced cost of production; Mount pad 3 opposite sides are provided with a LED lamp 8 for throwing light on, and LED lamp 8 can be in night illumination, prevent that people's pin from hitting in door-inhale main body 1 and falling down.
Preferably, described door-inhale main body 1 outside is circular arc, and the door-inhale main body 1 of circular arc can avoid people's pin to hit in door-inhale main body 1 and scratch.
Preferably, suction disc 22 1 sides are also fixedly connected with pedestal 21 by a spline pin 25, and spline pin 25 can prevent that suction disc 22 from rotating and driving the first screw 23 rotate and then make to come off and lose connection function between the first screw 23 and pedestal 21.
Preferably, 21 liang of inside walls of pedestal are installed with respectively a cushion pad 26, pedestal 21 is provided with some set screw that door 6 is gripped 27, and one end that set screw 27 contacts with cushion pad 26 is installed with a dummy block 28, and cushion pad 26 can alleviate the collision between pedestal 21 inner sides and door 6; In the U-shaped draw-in groove of pedestal 21, can place the door 6 of different-thickness, by tightening set screw 27, pedestal 21 is fixed on the door 6 of different-thickness, install simple and convenient; Dummy block 28 can prevent set screw 27 in rundown process and by door 6 extrusion damage.
In the present embodiment, by be arranged with an elastic ring 24 on the first screw 23, elastic ring 24 arranges interval between pedestal 21 and suction disc 22, due to gapped between the first screw 23 and suction disc 22, therefore suction disc 22 can freely swing to different directions on the first screw 23, when mount pad 3 is installed, in 4 pairs of suction disc 22 adsorption processes of electromagnet, suction disc 22 can swing to and the parallel corresponding position of electromagnet 4, guarantee smooth docking between electromagnet 4 and suction disc 22, avoided gapped existence between electromagnet 4 and suction disc 22, make 22 absorption of 4 pairs of suction discs of electromagnet firmly, realize the normally open of door 6.
Embodiment bis-:
As shown in Fig. 2, Fig. 4 and Fig. 5, the present embodiment two is identical with the principle of above-described embodiment one, and its difference is that pedestal 201 is different from the connected mode between suction disc 202.
Preferably, pedestal 201 is one to be fixed to the flat board on a (not shown), pedestal 201 middle parts are connected with suction disc 202 middle parts by a tumbler 203, tumbler 203 comprises 204 of the first rotations and the second tumbler 205, suction disc 202 is fixedly connected with the first tumbler 204, the first tumbler 204 and the second tumbler 205 are rotationally connected, and the second tumbler 205 is rotationally connected with pedestal 201; The first tumbler 204 and the second tumbler 205 are the channel that cross section is U-shaped, the first tumbler 204 and the second tumbler 205 are rotationally connected by a bearing pin 206, between the second tumbler 205 and pedestal 201, by one second screw 207, be rotationally connected, matched in clearance between the second screw 207 and pedestal 201, the second screw 207 is fixedly connected with the second tumbler 205, has realized suction disc 202 being rotationally connected by tumbler 203 and pedestal 201.
In the present embodiment, because suction disc 202 is fixedly connected with the first tumbler 204, the first tumbler 204 and the second tumbler 205 are rotationally connected by bearing pin 206, therefore suction disc 202 can up and down or swing with respect to the second tumbler 205, owing to being rotationally connected by the second screw 207 between the second tumbler 205 and pedestal 201, matched in clearance between the second screw 207 and pedestal 201, therefore suction disc 202 can freely swing or rotate to different directions with tumbler 203 simultaneously on the second screw 207, when mount pad 3 is installed, in 4 pairs of suction disc 202 adsorption processes of electromagnet, suction disc 202 swings or turns to and the parallel corresponding position of electromagnet 4 by tumbler 203, guarantee smooth docking between electromagnet 4 and suction disc 202, avoided gapped existence between electromagnet 4 and suction disc 202, make 202 absorption of 4 pairs of suction discs of electromagnet firmly, realize the normally open of door.
Embodiment tri-:
As shown in Figure 2 and Figure 6, the present embodiment three is identical with the principle of above-described embodiment one and embodiment bis-, and its difference is that pedestal 301 is different from the connected mode between suction disc 302.
Preferably, pedestal 301 is one to be fixed to the base plate on a (not shown), pedestal 301 middle parts are connected with suction disc 302 middle parts by a connection piece 303, connector 303 comprises one first connector 304 and one second connector 305, suction disc 302 is fixedly connected with the first connector 304, the first connector 304 and the second connector 305 are hinged, and the second connector 305 is fixedly connected with pedestal 301; On the first connector 304, offer a bowl-type hole 306 of running through the first connector 304, the second connector 305 comprises a cylinder 307 and a bulb 308 that coaxially arranges and be fixedly connected with cylinder 307, bulb 308 is located in bowl-type hole 306, and cylinder 307 is fixedly connected with pedestal 301; In bowl-type hole 306, be provided with one first spring 309, first spring 309 one end and suction disc 302 middle part butts, first spring 309 other ends and bulb 308 top butts, the inner surface in the external surface of bulb 308 and bowl-type hole 306 rotates butt, has realized suction disc 302 by being rotationally connected between connector 303 and pedestal 301.
In the present embodiment, because suction disc 302 is fixedly connected with the first connector 304, on the first connector 304, offer and run through the little bowl-type hole 306 of the large opening of the first connector 304 and bottom, the second connector 305 comprises cylinder 307 and the bulb 308 that coaxially arranges and be fixedly connected with cylinder 307, bulb 308 is located in bowl-type hole 306, cylinder 307 is fixedly connected with pedestal 301, therefore suction disc 302 and the first connector 304 can freely swing or rotate to different directions simultaneously on the second connector 305, when mount pad 3 is installed, in 4 pairs of suction disc 302 adsorption processes of electromagnet, suction disc 302 is by swinging or turn to corresponding position parallel with electromagnet 4 between the first connector 304 and the second connector 305, guarantee smooth docking between electromagnet 4 and suction disc 302, avoided gapped existence between electromagnet 4 and suction disc 302, make 302 absorption of 4 pairs of suction discs of electromagnet firmly, realize the normally open of door.
The above is preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (10)
1. an Electromagnetical door holder device, it is characterized in that, comprise that a door-inhale main body and is by suction main body, described door-inhale main body comprises that a mount pad and is fixedly arranged on the electromagnet of described mount pad one side, described electromagnet is horizontally disposed with, and the described main body of being inhaled comprises that one is fixedly arranged on pedestal and the metal suction disc that can be flexibly connected and can be attached together with described electromagnet with respect to described pedestal on door.
2. a kind of Electromagnetical door holder device according to claim 1, it is characterized in that, described pedestal is that a cross section is U-shaped grooved clip, between described pedestal and described suction disc, interval arranges, described suction disc middle part is fixedly connected with described pedestal by one first screw, on described the first screw, be arranged with an elastic ring, described elastic ring one side and described pedestal butt, described elastic ring opposite side and described suction disc butt.
3. a kind of Electromagnetical door holder device according to claim 2, is characterized in that, described suction disc one side is also fixedly connected with described pedestal by a spline pin.
4. a kind of Electromagnetical door holder device according to claim 2, it is characterized in that, described pedestal two inside walls are installed with respectively a cushion pad, and described pedestal is provided with some set screw for door is gripped, and one end that described set screw contacts with described cushion pad is installed with a dummy block.
5. a kind of Electromagnetical door holder device according to claim 1, it is characterized in that, described pedestal is one for being fixed to the flat board on door, described pedestal middle part is connected with described suction disc middle part by a tumbler, described tumbler comprises the first tumbler and the second tumbler, described suction disc is fixedly connected with described the first tumbler, and described the first tumbler and described the second tumbler are rotationally connected, and described the second tumbler and described pedestal are rotationally connected.
6. a kind of Electromagnetical door holder device according to claim 5, it is characterized in that, described the first tumbler and the second tumbler are the channel that cross section is U-shaped, described the first tumbler and the second tumbler are rotationally connected by a bearing pin, between described the second tumbler and pedestal, by one second screw turns, connect, matched in clearance between described the second screw and pedestal, described the second screw is fixedly connected with described the second tumbler.
7. a kind of Electromagnetical door holder device according to claim 1, it is characterized in that, described pedestal is one for being fixed to the base plate on door, described pedestal middle part is connected with described suction disc middle part by a connection piece, described connector comprises one first connector and one second connector, described suction disc is fixedly connected with described the first connector, and described the first connector and described the second connector are hinged, and described the second connector is fixedly connected with described pedestal.
8. a kind of Electromagnetical door holder device according to claim 7, it is characterized in that, on described the first connector, offer one and run through described the first connector and bottom opening is large, open top is little bowl-type hole, described the second connector comprises a cylinder and a bulb that coaxially arranges and be fixedly connected with described cylinder, described bulb is located in described bowl-type hole, and described cylinder is fixedly connected with described pedestal.
9. a kind of Electromagnetical door holder device according to claim 8, it is characterized in that, in described bowl-type hole, be provided with one first spring, described first spring one end and described suction disc middle part butt, the described first spring other end and described bulb top butt, the inner surface in the external surface of described bulb and described bowl-type hole rotates butt.
10. a kind of Electromagnetical door holder device according to claim 1, it is characterized in that, described mount pad is connected with described electromagnet by a nut, described electromagnet middle part laterally offers an inner bore of step, described inner bore of step comprises large end endoporus and a small end endoporus, described large end endoporus perisporium is provided with internal thread, described nut is located in described large end endoporus, described nut and described electromagnet are spirally connected, in described inner bore of step, be provided with a buffer, described buffer comprises a plastics step cylinder and one second spring, described step cylinder comprises large end cylinder and a small end cylinder, described second spring one end and described nut butt, the described second spring other end and described large end cylinder butt, described small end cylinder is arranged in described small end endoporus and protrudes from described electromagnet external surface, described small end cylinder and described small end endoporus are slidably matched, described large end cylinder closes on described small end cylinder one side and described large end endoporus bottom butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340360.1U CN203947914U (en) | 2014-06-25 | 2014-06-25 | A kind of Electromagnetical door holder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340360.1U CN203947914U (en) | 2014-06-25 | 2014-06-25 | A kind of Electromagnetical door holder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203947914U true CN203947914U (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420340360.1U Expired - Fee Related CN203947914U (en) | 2014-06-25 | 2014-06-25 | A kind of Electromagnetical door holder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203947914U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729330A (en) * | 2016-04-19 | 2016-07-06 | 苏州宏奇锐自动化有限公司 | Automatic positioning and clamping table vice |
| CN109209094A (en) * | 2018-10-31 | 2019-01-15 | 深圳中广核工程设计有限公司 | Nuclear power plant's access lock buffer unit |
| CN111577039A (en) * | 2020-05-12 | 2020-08-25 | 刘华军 | Mute door stopper |
| CN114059867A (en) * | 2021-11-28 | 2022-02-18 | 重庆公共运输职业学院 | Door leaf virtual covering device with prompting function |
-
2014
- 2014-06-25 CN CN201420340360.1U patent/CN203947914U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729330A (en) * | 2016-04-19 | 2016-07-06 | 苏州宏奇锐自动化有限公司 | Automatic positioning and clamping table vice |
| CN105729330B (en) * | 2016-04-19 | 2017-06-09 | 苏州宏奇锐自动化有限公司 | One kind is automatically positioned clamping bench vice |
| CN109209094A (en) * | 2018-10-31 | 2019-01-15 | 深圳中广核工程设计有限公司 | Nuclear power plant's access lock buffer unit |
| CN109209094B (en) * | 2018-10-31 | 2020-08-28 | 深圳中广核工程设计有限公司 | Personnel gate buffer device for nuclear power plant |
| CN111577039A (en) * | 2020-05-12 | 2020-08-25 | 刘华军 | Mute door stopper |
| CN111577039B (en) * | 2020-05-12 | 2022-01-28 | 临沂泰德信门业有限公司 | Mute door stopper |
| CN114059867A (en) * | 2021-11-28 | 2022-02-18 | 重庆公共运输职业学院 | Door leaf virtual covering device with prompting function |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220129 Address after: 518000 401, building 22, No. 187 liangbai Road, liangbai community, Pinghu street, Longgang District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN ZHONGTIANMING FIRE TECHNOLOGY Co.,Ltd. Address before: 518000 east block, 2nd floor, No.2 factory building, Xinyuan Industrial Zone, Xinmu community, Pinghu street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ZHONGTIANMING TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 |