CN103906408A - Fan fixation device - Google Patents
Fan fixation device Download PDFInfo
- Publication number
- CN103906408A CN103906408A CN201210582028.1A CN201210582028A CN103906408A CN 103906408 A CN103906408 A CN 103906408A CN 201210582028 A CN201210582028 A CN 201210582028A CN 103906408 A CN103906408 A CN 103906408A
- Authority
- CN
- China
- Prior art keywords
- fan
- blinker
- fixture
- hole
- fixer
- 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
- 238000009434 installation Methods 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 abstract 3
- 230000005484 gravity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
A fan fixation device comprises a fan frame and two fixation pieces in vertical extension, a first wind screen piece and a second wind screen piece. The fan frame comprises a fixation wall provided with ventilation openings. The fixation wall is provided with first through holes in the upper portions at the two sides of the ventilation opening respectively. The upper portions of the two fixation pieces penetrate through the two first through holes respectively and then are locked in two fixation holes in the upper portions of the fan. The two ends of the top of the first wind screen piece are pivotally connected to the upper portions of the two fixation pieces respectively. The two ends of the top of the second wind screen piece are pivotally connected to the lower portions of the two fixation pieces respectively. The first wind screen piece and the second wind screen piece keep vertically covering the side, back to the fan, of the ventilation opening under the effect of gravity, so that the backflowed ventilating current can be blocked. The first wind screen piece and the second wind screen piece can turn to 90 DEG to the maximum back to the fan without influencing the wind-out of the fan under the effect of the wind force of the fan.
Description
Technical field
The present invention relates to a kind of fan fixer.
Background technology
In electronic product, conventionally can be equiped with some fans, dispel the heat to the electronic component in electronic product.But in the time that the fan having stops operating because of fault, this fault fan place can produce distinguished and admirable backflow, thereby causes distinguished and admirable disorder, affects system radiating.
Summary of the invention
In view of more than, be necessary to provide a kind of fan fixer that can prevent distinguished and admirable backflow.
A kind of fan fixer, be used for fixing a fan, this fan comprises side plate, the top of this side plate is provided with two fixing holes, this fan fixer comprises a fan board, this fan board comprises a fixation wall that is provided with a ventilating opening, this fixation wall is respectively equipped with one first through hole in the top of the both sides of this ventilating opening, this fan fixer also comprises the two vertical fixtures that extend, one first blinker and one second blinker, the top of this two fixture is respectively through two fixing holes of locking this fan after this two first through hole, the two ends at the top of this first blinker are pivotally connected to respectively in the top of this two fixture, the two ends at the top of this second blinker are pivotally connected to respectively in the bottom of this two fixture, this first and second blinker gravitate keeps vertically hiding in this ventilating opening side of fan dorsad, this first and second blinker the wind-force that is subject to fan do the used time dorsad fan turn to maximum 90 degree.
Compare prior art, this fan fixer is equiped with pivotally one first blinker and one second blinker before ventilating opening, this first and second blinker can be subject to the wind-force effect of fan to turn to maximum 90 degree, do not affect the air-out of fan, and in the time that fan does not rotate, first and second blinker of this ventilating opening front side keeps vertically, can stopping the distinguished and admirable of backflow.
Accompanying drawing explanation
Fig. 1 is the three-dimensional assembly diagram of the first execution mode of fan fixer of the present invention.
Fig. 2 is the part three-dimensional exploded view of Fig. 1.
Fig. 3 is the three-dimensional assembly diagram of the second execution mode of fan fixer of the present invention.
Fig. 4 is the part three-dimensional exploded view of Fig. 3.
Fig. 5 is the other direction view of the first locking part of 1 in Fig. 4.
Main element symbol description
| |
10、60 |
| |
12、62 |
| |
14、64 |
| Ventilating opening | 141、641 |
| The first through |
143、643 |
| The second through |
145、645 |
| |
147、647 |
| |
20 |
| |
21 |
| |
213 |
| |
30、70 |
| |
31 |
| |
311 |
| |
312 |
| Locating |
313、714 |
| |
314 |
| The |
315、712 |
| The body of |
316、75 |
| The |
317、753 |
| |
35 |
| The |
40 |
| The first |
43 |
| The |
50 |
| The second |
53 |
| Draw-in |
648 |
| |
71 |
| Grab | 73 |
| Fixture block | 751 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Please refer to Fig. 1 and Fig. 2, the first execution mode of fan fixer of the present invention, can fix some fans 20.This fan fixer comprises a fan board 10, four pairs of vertical fixture 30,4 first blinkers 40 and 4 second blinkers 50 that extend.
Each fan 20 comprises side plate 21.The Si Jiaochu of this side plate 21 is respectively equipped with a fixing hole 213.
This fan board 10 comprises a microscler base 12 and the microscler fixation wall 14 being extended to form vertically upward by the posterior lateral margin of this base 12.These fixation wall 14 along continuous straight runs compartment of terrains are provided with four-way air port 141.This fixation wall 14 is respectively equipped with one first through hole 143 in the top of the both sides of each ventilating opening 141, and is respectively equipped with one second through hole 145 in the bottom of the both sides of each ventilating opening 141.This fixation wall 14 is provided with a location notch 147 in the top of each the first through hole 143.
Each fixture 30 comprises an installation elements 31 and a lock member 35.This installation elements 31 comprise a vertical plate body 312, the two relative side arms 314 that vertically extended forward by the both sides of this plate body 312 and by the middle of the bottom of this plate body 312 to one of the downward-extension vertical body of rod 316.The middle part of this plate body 312 is provided with a perforation 311.This plate body 312 is convexly equipped with a positioning block 313 backward in the top of this perforation 311.The middle part of each side arm 314 is provided with first pivoting hole 315 that runs through the left and right sides of this side arm 314.These body of rod 316 adjacent bottom places are provided with second pivoting hole 317 that runs through the left and right sides of this body of rod 316.In the present embodiment, this lock member 35 is a screw.
One first pivotal axis 43 is extended respectively at the Xiang Qi two ends, top of each the first blinker 40.
One second pivotal axis 53 is extended respectively at the Xiang Qi two ends, top of each the second blinker 50.
While assembling a fan 20, this fan 20 is placed in to the rear of this fixation wall 14, make the side plate 21 of this fan 20 be posted by the rear side of this fixation wall 14, and make four fixing holes 213 of this side plate 21 respectively just to two first through holes 143 and two second through holes 145 around a wherein ventilating opening 141 of this fixation wall 14.The locating piece of a pair of installation elements 31 313 is inserted respectively to the location notch 147 of these ventilating opening 141 both sides, make this be hooked in this fixation wall 14 to installation elements 31, this perforation 311 to installation elements 31 is distinguished just to this two first through hole 143.A pair of lock member 35, successively through two fixing holes 213 of locking these side plate 21 tops after this perforation 311 to installation elements 31 and this two first through hole 143, is just fixed on to this fixation wall 14 to this ventilating opening 141 by this fan 20.Now, the first pivoting hole 315 on this two installation elements 31 is all positioned on same level line, and the second pivoting hole 317 on this two installation elements 31 is all positioned on another horizontal line.In other embodiments, can get again two fixing holes 213 that a pair of lock member 35 passes respectively this two second through hole 145 and is locked in these side plate 21 bottoms.
By above-mentioned identical method, user can just install a fan 20 to each ventilating opening 141 at the rear side of this fixation wall 14.
Finally, at installed in front one first blinker 40 and one second blinker 50 of each ventilating opening 141, two first pivotal axis 43 of each the first blinker 40 are snapped in respectively in the first pivoting hole 315 on the installation elements 31 of corresponding ventilating opening 141 both sides pivotally, and two second pivotal axis 53 of each the second blinker 50 snap in respectively in the second pivoting hole 317 on the installation elements 31 of corresponding ventilating opening 141 both sides pivotally.Now, these first blinkers 40 and the second blinker 50 gravitates keep vertically, the front side of each ventilating opening 141 of this fixation wall 14 being covered by one first blinker 40 and one second blinker 50.The first blinker 40 can be designed to different shapes according to ventilating opening 141 and fixture 30 from the second blinker 50.
When fan 20 turns round, before fan 20 blows out the distinguished and admirable corresponding ventilating opening 141 through this fixation wall 14 is backward, blow the first blinker 40 and the second blinker 50 that are positioned at fan 20 dead aheads, make first blinker 40 in fan 20 dead aheads turn to forward and upwards maximum 90 degree around the first corresponding pivotal axis 43 and the second pivotal axis 53 respectively with the second blinker 50, do not affect the air-out of fan 20.
If while having fan 20 to stop operating because of fault, the first blinker 40 of these fault fan 20 front sides and the second blinker 50 gravitates keep vertically, can stopping the distinguished and admirable of backflow.
Please refer to Fig. 3 to Fig. 5, the second execution mode of fan fixer of the present invention, can fix some fans 20.This fan fixer comprises a fan board 60, the four pairs of vertical fixtures 70 that extend, four first blinkers 40 and four second blinkers 50 identical with the first execution mode.
This fan board 60 comprises a microscler base 62 and the microscler fixation wall 64 being extended to form vertically upward by the posterior lateral margin of this base 62.These fixation wall 64 along continuous straight runs compartment of terrains are provided with four-way air port 641.This fixation wall 64 is respectively equipped with one first through hole 643 in the top of the both sides of each ventilating opening 641, be respectively equipped with one second through hole 645 in the bottom of the both sides of each ventilating opening 641, and is respectively equipped with a draw-in groove 648 in the middle part of the both sides of each ventilating opening 641.This fixation wall 64 is respectively equipped with a location notch 647 being connected with the first through hole 643 in the top of each the first through hole 643 with below.
The grab 73 of the bending dorsad at two intervals that each fixture 70 comprises a head 71, vertically extended by the middle of the rear side of this head 71 and by the middle of the bottom of this head 71 to one of the downward-extension vertical body of rod 75.The left and right sides of this head 71 is respectively equipped with one first pivoting hole 712.The top of the rear side of this head 71 and bottom are respectively equipped with a positioning block 714.The bottom of this body of rod 75 is vertically extended a fixture block 751 backward.These body of rod 75 adjacent bottom places are provided with second pivoting hole 753 that runs through the left and right sides of this body of rod 75.
While assembling a fan 20, this fan 20 is placed in to the rear of this fixation wall 64, make the side plate 21 of this fan 20 be posted by the rear side of this fixation wall 64, and make four fixing holes 213 of this side plate 21 respectively just to two first through holes 643 and two second through holes 645 around a wherein ventilating opening 641 of this fixation wall 64.By being placed in the rear side of this side plate 21 after the grab of a pair of fixture 70 73 successively two fixing holes 213 through this two first through hole 643 and this side plate 21 tops, just this ventilating opening 641 is fixed on to this fixation wall 64 by this fan 20.Now, the locating piece 714 of this two fixture 70 snaps in respectively this two first through hole 643 corresponding location notch 647 around, and the fixture block 751 of this two fixture 70 snaps in respectively the draw-in groove 648 of these ventilating opening 641 both sides.The first pivoting hole 712 on this two fixture 70 is all positioned on same level line, and the second pivoting hole 753 on this two fixture 70 is all positioned on another horizontal line.In other embodiments, can get again two fixing holes 213 that a pair of lock member 35 passes respectively this two second through hole 745 and is locked in these side plate 21 bottoms.
Can be at the installed in front of each ventilating opening 641 one first blinker 40 and one second blinker 50 by the method identical with the first execution mode.The use of this fan fixer is identical with the first execution mode.
In other embodiments, this fan board 10 or 60 is shorter, can only be provided with a ventilating opening 141 or 641, respectively only for a fan 20, one first blinker 40 and one second blinker 50 are installed.
Claims (12)
1. a fan fixer, be used for fixing a fan, this fan comprises side plate, the top of this side plate is provided with two fixing holes, this fan fixer comprises a fan board, this fan board comprises a fixation wall that is provided with a ventilating opening, this fixation wall is respectively equipped with one first through hole in the top of the both sides of this ventilating opening, it is characterized in that: this fan fixer also comprises the two vertical fixtures that extend, one first blinker and one second blinker, the top of this two fixture is respectively through two fixing holes of locking this fan after this two first through hole, the two ends at the top of this first blinker are pivotally connected to respectively in the top of this two fixture, the two ends at the top of this second blinker are pivotally connected to respectively in the bottom of this two fixture, this first and second blinker gravitate keeps vertically hiding in this ventilating opening side of fan dorsad, this first and second blinker the wind-force that is subject to fan do the used time dorsad fan turn to maximum 90 degree.
2. fan fixer as claimed in claim 1, it is characterized in that: each fixture comprises vertical installation elements and the lock member extending, each lock member is locked the corresponding fixing hole of this fan after through the top of corresponding installation elements and corresponding the first through hole, the two ends at the top of this first blinker are pivotally connected to respectively in the top of this two installation elements, and the two ends at the top of this second blinker are pivotally connected to respectively in the bottom of this two installation elements.
3. fan fixer as claimed in claim 2, it is characterized in that: each installation elements comprises the side arm that vertically extends before a vertical plate body, a side direction by another installation elements of vicinity of this plate body and the body of rod to downward-extension by the bottom of this plate body, each plate body is provided with a perforation of passing for lock member, the two ends at the top of this first blinker are pivotally connected to respectively in the side arm of this two installation elements, and the two ends at the top of this second blinker are pivotally connected to respectively in this two bodies of rod adjacent bottom place.
4. fan fixer as claimed in claim 3, it is characterized in that: each side arm is provided with one first pivoting hole, the two ends at the top of this first blinker extend outward respectively one first pivotal axis, and this two first pivotal axis snaps in respectively this two first pivoting hole pivotally.
5. fan fixer as claimed in claim 3, it is characterized in that: each body of rod adjacent bottom place is provided with one second pivoting hole, the two ends at the top of this second blinker extend outward respectively one second pivotal axis, and this two second pivotal axis snaps in respectively this two second pivoting hole pivotally.
6. fan fixer as claimed in claim 3, it is characterized in that: this fixation wall is provided with a location notch in the top of each the first through hole, the plate body of each installation elements is convexly equipped with a locating piece that snaps in corresponding location notch in the top of perforation towards a side of fixation wall.
7. fan fixer as claimed in claim 1, is characterized in that: the rear side on the top of each fixture convexes with two grabs, and the grab of this two fixture is placed in the rear side of this side plate successively after two fixing holes through this two first through hole and this fan.
8. fan fixer as claimed in claim 7, it is characterized in that: each fixture comprises a head and the body of rod to downward-extension by the bottom of this head, two grabs of each fixture are extended by the rear side of the head of this fixture, the two ends at the top of this first blinker are pivotally connected to respectively in the head of this two fixture, and the two ends at the top of this second blinker are pivotally connected to respectively in this two bodies of rod adjacent bottom place.
9. fan fixer as claimed in claim 8, it is characterized in that: each head is provided with one first pivoting hole towards a side of another head, the two ends at the top of this first blinker extend outward respectively one first pivotal axis, and this two first pivotal axis snaps in respectively this two first pivoting hole pivotally.
10. fan fixer as claimed in claim 8, it is characterized in that: each body of rod adjacent bottom place is provided with one second pivoting hole, the two ends at the top of this second blinker extend outward respectively one second pivotal axis, and this two second pivotal axis snaps in respectively this two second pivoting hole pivotally.
11. fan fixers as claimed in claim 8, is characterized in that: this fixation wall is respectively equipped with a location notch in top and the below of each the first through hole, and the top of the rear side of each head and bottom are respectively equipped with a locating piece that snaps in corresponding location notch.
12. fan fixers as claimed in claim 8, is characterized in that: this fixation wall is respectively equipped with a draw-in groove in the middle part of the both sides of this ventilating opening, the bottom of each body of rod fixture block that snaps in corresponding draw-in groove that extends back.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210582028.1A CN103906408B (en) | 2012-12-28 | 2012-12-28 | Fan fixer |
| TW102101235A TW201433704A (en) | 2012-12-28 | 2013-01-11 | Mounting apparatus for fan |
| US13/873,235 US20140183328A1 (en) | 2012-12-28 | 2013-04-30 | Mounting apparatus for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210582028.1A CN103906408B (en) | 2012-12-28 | 2012-12-28 | Fan fixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103906408A true CN103906408A (en) | 2014-07-02 |
| CN103906408B CN103906408B (en) | 2016-11-23 |
Family
ID=50997484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210582028.1A Active CN103906408B (en) | 2012-12-28 | 2012-12-28 | Fan fixer |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20140183328A1 (en) |
| CN (1) | CN103906408B (en) |
| TW (1) | TW201433704A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722369A (en) * | 2014-12-03 | 2016-06-29 | 鸿富锦精密工业（深圳）有限公司 | Heat dissipation module and electronic device with same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190056047A (en) * | 2017-11-16 | 2019-05-24 | 주식회사 아모텍 | A cooling fan |
| CN115638120A (en) * | 2021-07-19 | 2023-01-24 | 纬联电子科技(中山)有限公司 | Fan frame and electronic device comprising same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080145246A1 (en) * | 2006-12-18 | 2008-06-19 | Chien-Ming Lee | Fan and fan housing thereof having flapper |
| CN201198847Y (en) * | 2008-04-09 | 2009-02-25 | 鸿富锦精密工业（深圳）有限公司 | Fan fixer |
| US20090122485A1 (en) * | 2007-11-14 | 2009-05-14 | Inventec Corporation | Fixing frame |
| CN102650297A (en) * | 2011-02-24 | 2012-08-29 | 鸿富锦精密工业（深圳）有限公司 | Heat dissipation device |
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| US6181557B1 (en) * | 1999-10-29 | 2001-01-30 | Motorola, Inc. | Electronic component, method of cooling, and damper therefor |
| CN2699473Y (en) * | 2004-03-10 | 2005-05-11 | 鸿富锦精密工业（深圳）有限公司 | Locking device for radiator |
| US7731477B2 (en) * | 2006-01-23 | 2010-06-08 | Erni Thomas W | Insulated housing apparatus for use with an attic fan |
| TWI318862B (en) * | 2006-11-10 | 2009-12-21 | Delta Electronics Inc | Fan capable of anti-backflow and fan frame thereof |
| US7952870B1 (en) * | 2010-02-02 | 2011-05-31 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Computer enclosure |
| CN102486184A (en) * | 2010-12-06 | 2012-06-06 | 鸿富锦精密工业（深圳）有限公司 | Fan combination |
| CN102955500A (en) * | 2011-08-19 | 2013-03-06 | 鸿富锦精密工业（深圳）有限公司 | Fan module |
| CN103313579A (en) * | 2012-03-15 | 2013-09-18 | 鸿富锦精密工业（深圳）有限公司 | Electronic device and fan module thereof |
| CN103369915A (en) * | 2012-03-29 | 2013-10-23 | 鸿富锦精密工业（深圳）有限公司 | Wind resistance device and electronic product with wind resistance device |
| CN103455106A (en) * | 2012-05-28 | 2013-12-18 | 鸿富锦精密工业（深圳）有限公司 | Air fan fixing device |
| CN103458649A (en) * | 2012-05-30 | 2013-12-18 | 鸿富锦精密工业（深圳）有限公司 | Fan fixing device |
| CN103458651B (en) * | 2012-05-31 | 2016-09-28 | 李清雪 | Fan fixer |
| CN103458650B (en) * | 2012-05-31 | 2016-12-07 | 马国旭 | Fan fixer |
| CN103635058A (en) * | 2012-08-24 | 2014-03-12 | 鸿富锦精密工业（深圳）有限公司 | Electronic device |
-
2012
- 2012-12-28 CN CN201210582028.1A patent/CN103906408B/en active Active
-
2013
- 2013-01-11 TW TW102101235A patent/TW201433704A/en unknown
- 2013-04-30 US US13/873,235 patent/US20140183328A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080145246A1 (en) * | 2006-12-18 | 2008-06-19 | Chien-Ming Lee | Fan and fan housing thereof having flapper |
| US20090122485A1 (en) * | 2007-11-14 | 2009-05-14 | Inventec Corporation | Fixing frame |
| CN201198847Y (en) * | 2008-04-09 | 2009-02-25 | 鸿富锦精密工业（深圳）有限公司 | Fan fixer |
| CN102650297A (en) * | 2011-02-24 | 2012-08-29 | 鸿富锦精密工业（深圳）有限公司 | Heat dissipation device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722369A (en) * | 2014-12-03 | 2016-06-29 | 鸿富锦精密工业（深圳）有限公司 | Heat dissipation module and electronic device with same |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201433704A (en) | 2014-09-01 |
| US20140183328A1 (en) | 2014-07-03 |
| CN103906408B (en) | 2016-11-23 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160613 Address after: 518000 Guangdong Province, Shenzhen New District of Longhua City, Dalang street, Hua Sheng Lu Yong Jingxuan commercial building 1608 Applicant after: Jinyang Shenzhen sea Network Intelligent Technology Co.,Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Applicant before: HONG FU JIN PRECISION INDUSTRY (SHENZHEN) Co.,Ltd. Applicant before: HON HAI PRECISION INDUSTRY Co.,Ltd. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liao Yangbo Inventor before: Sun Zhengheng |
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