CN1952558B - Open-close facilities for refrigerator door - Google Patents
Open-close facilities for refrigerator door Download PDFInfo
- Publication number
- CN1952558B CN1952558B CN2005100155639A CN200510015563A CN1952558B CN 1952558 B CN1952558 B CN 1952558B CN 2005100155639 A CN2005100155639 A CN 2005100155639A CN 200510015563 A CN200510015563 A CN 200510015563A CN 1952558 B CN1952558 B CN 1952558B
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- Prior art keywords
- door
- main body
- refrigerator
- guide
- cam
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Abstract
The invention discloses a switching device for refrigerator door, comprising hinge plate, door body, guide pin and elastic cam. The hinge plate is on the refrigerator body and on which hinge pin is formed. In the refrigerator body there are storage space switched by door body and elliptical hinge hole in which hinge pin is inserted. Guide pin is set at the front of refrigerator body and guide the door body rotating. Elastic cam is set on the door body, controls the rotating track by guiding relative movement of guide pin and provides the elastic force making door body move to the free end. The direction of hinge hole from the rotating center of door body to the free end is little inclined to storage room. The wear of frontal gasket at the front of door is improved furthermore and the leakage of cool air through the frontal end of door is prevented in the invention.
Description
Technical field
The present invention relates to a kind of device for opening/closing door of refrigerator, relate in particular to the device for opening/closing door of the concrete work of control gate.
Background technology
Fig. 1 is the front view that the outward appearance of prior art refrigerator constitutes.As shown in Figure 1, the enclosure interior of refrigerator main body 1 possesses heat insulation layer is arranged, and refrigerator main body 1 inside is formed with the storage space to front openings.
Storage space can be divided into the plurality of sub space, and the sub-storage space that is divided into is opened and closed by corresponding door respectively.The storage space that is formed on lower position with respect to this refrigerator main body 1 is opened and closed by drawer type door 3.The upper end, front of drawer type door 3 is formed with handle 3h.
In addition, the storage space that is formed on upper position with respect to refrigerator main body 1 be by an opposite house 5,5 ' open and close.Door 5, the 5 ' two ends with refrigerator main body 1 are that rotate at the center, thereby open and close storage space.Door 5,5 ' is provided with handle 6,6 '.Handle 6,6 ' the position that is provided with are: the opposition side front of the center of rotation of door 5,5 '.
Then, when the door 5,5 ' of both sides is in closed condition, the front end of door 5,5 ' will adjoin each other.At this moment, for the position between hermatic door 5, the 5 ' front end, the front end of each door 5,5 ' is respectively arranged with packing ring 8,8 '.Packing ring 8,8 ' effect are: when door 5,5 ' was closed, packing ring 8,8 ' was close to mutually, thereby can effectively prevent the leakage of cold air.Certainly, also be provided with packing ring between door 5, the 5 ' back side and refrigerator main body 1 front.This packing ring 8,8 ' inside are provided with magnet, thus because the effect of magnetic force and being close to mutually.And the magnet at door 5, the 5 ' back side also is the front that is close to refrigerator main body 1 owing to the effect of magnetic force.
Door 5,5 ' is respectively by underneath hinges assembly and upper hinge assembly 10,10 ' rotating being supported on the refrigerator main body 1.Hinge assembly 10,10 ' is fixed on the top and the bottom, two ends (corresponding to the part of door 5,5 ' upper and lower side) of refrigerator main body 1.
But there are the following problems for above-mentioned prior art:
Be in the state of being close to mutually owing to be arranged at the packing ring 8,8 ' of door 5,5 ' front end respectively, therefore, when the door of opening a certain side 5,5 ' time, packing ring 8,8 ' will the phase mutual friction.Like this, in the course of time, because door 5,5 ' opening and closing operations repeatedly, will cause the impaired problem of packing ring 8,8 '.Packing ring 8,8 ' is in case the impaired function that just can't normally bring into play self.
Summary of the invention
Technical problem to be solved by this invention is, a kind of device for opening/closing door of refrigerator is provided, and when an opposite house that is respectively arranged with packing ring at front end opens and closes, the friction problem between the packing ring can not occur.
Another technical problem to be solved by this invention is, a kind of device for opening/closing door of refrigerator is provided, and opens and closes in the structure of a storage space at an opposite house, reduces the phenomenon that cold air leaks by the position between the door to greatest extent.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
Device for opening/closing door as a kind of refrigerator of the present invention, comprise hinge plate, door main body, guide finger and elastic cam, hinge plate is installed on the refrigerator main body, and be formed with joint pin, refrigerator main body inside is formed with storage space, door main body opens and closes storage space, and be formed with the pan of ovalize, joint pin inserts pan, guide finger is arranged on the refrigerator main body front side, and the rotation of guiding door main body, and elastic cam is arranged on the door main body, and the rotary motion trace of control gate main body, and provide the elastic force that door main body is moved to the place ahead of its free end by relatively moving of guide finger of guiding.
And this pan is formed slopely towards the storage space direction slightly from the center of rotation of the door main body direction to free end.
And this guide finger is arranged on the hinge plate, and with the joint pin setting that keeps at a certain distance away.
A kind of improvement as the device for opening/closing door of refrigerator of the present invention, be formed with gathering sill on the cam body of this elastic cam, moving of gathering sill guiding guide finger, the inlet of gathering sill comprises the insertion guide part, insert moving of guide part guiding guide finger, and gathering sill will possess the width corresponding to pan length at least, also be formed with guide part and the mobile guide portion of rotating on the cam body of this elastic cam, when door main body rotates, rotate guide part and guiding guide finger, open initial stage of door main body and closing latter stage, mobile guide portion is guiding guide finger, causes joint pin to move in pan.
And, one side of this mobile guide portion is formed by resilient guiding device, resilient guiding device can strain from the characteristic of shape, and an end of resilient guiding device is connected with cam body, resilient guiding device also possesses guide part and arrangement portion is arranged, guide part forms mobile guide portion, and when door main body was in closed condition, arrangement portion had settled guide finger.
In addition, a side of this cam body also is provided with detent, and detent is the leading section of support elastic guider optionally.
The invention has the beneficial effects as follows:
The device for opening/closing door of refrigerator of the present invention opens and closes in the structure of a storage space at an opposite house, can effectively eliminate the friction that is arranged between the packing ring of holding in front of the door, thereby can improve the durability of packing ring.And, when door is closed,, therefore can effectively prevent the leakage of cold air because packing ring can be good at being close to mutually.
Description of drawings
Fig. 1 is the front view that the outward appearance of prior art refrigerator constitutes.
Fig. 2 has been suitable for the cutaway view that the main position of the refrigerator of device for opening/closing door of refrigerator of the present invention constitutes.
Fig. 3 a is the plane of the structure of the hinge plate of the device for opening/closing door of formation refrigerator of the present invention.
Fig. 3 b is the plane of the main position structure of the door main body of the device for opening/closing door of formation refrigerator of the present invention.
Fig. 3 c is the plane of the structure of the elastic cam of the device for opening/closing door of formation refrigerator of the present invention.
Fig. 4 is the main position structure diagram of the device for opening/closing door of refrigerator of the present invention.
Fig. 5 a is the working state figure of guide finger when arrangement portion in the course of work of the device for opening/closing door of refrigerator of the present invention.
Fig. 5 b is the working state figure of guide finger in the course of work of the device for opening/closing door of refrigerator of the present invention when mobile guide portion moves.
Working state figure when Fig. 5 c rotates guide part for guide finger in the course of work of the device for opening/closing door of refrigerator of the present invention enters.
The working state figure of Fig. 5 d when guide finger breaks away from gathering sill in the course of work of the device for opening/closing door of refrigerator of the present invention.
Among the figure:
20: refrigerator main body 22: storage space
24,24 ': door 26: door main body
28: packing ring 28 ': the front end packing ring
30: hinge assembly 31: hinge plate
32: joint pin 33: guide finger
35: elastic cam 36: cam body
38: resilient guiding device 39: guide part
40: detent 42: gathering sill
43: rotate guide part 43 ': mobile guide portion
The specific embodiment
Be described in further detail below in conjunction with the device for opening/closing door of the drawings and specific embodiments refrigerator of the present invention:
Fig. 2 has been suitable for the cutaway view that the main position of the refrigerator of device for opening/closing door of refrigerator of the present invention constitutes.Fig. 3 a is the plane of the structure of the hinge plate of the device for opening/closing door of formation refrigerator of the present invention.Fig. 3 b is the plane of the main position structure of the door main body of the device for opening/closing door of formation refrigerator of the present invention.Fig. 3 c is the plane of the structure of the elastic cam of the device for opening/closing door of formation refrigerator of the present invention.Fig. 4 is the main position structure diagram of the device for opening/closing door of refrigerator of the present invention.
As shown in the figure, the inside of refrigerator main body 20 is formed with the storage space 22 of opening forwards.Storage space 22 can be divided into a plurality of.Storage space 22 be by door 24,24 ' open and close.Door main body 26 inside of door 24,24 ' are formed with heat insulation layer.Generally speaking, the front panel that constitutes the front is first-class with the decoration of door lining that constitutes the back side and formation upper and lower side, forms the outward appearance of door main body 26.In addition, the front front of door main body 26 is provided with door handle 27.The user opens and closes this door 24,24 ' time, can hold door handle 27 and apply active force.Utilize this door handle 27, can open door 24,24 ' easily.
The front end of the free end of door main body 26 is respectively arranged with front end packing ring 28 '.Acting as of this front end packing ring 28 ': prevent the cooling gas leakage that the position between door 24,24 ' front end produces.Front end packing ring 28 ' is also the same with packing ring 28, and its inside is provided with spring magnet.Therefore, when door 24,24 ' is closed, be to be close to mutually equally by magneticaction.Door main body 26 also comprises connecting hole 26 '.
In addition, refrigerator main body 20 both ends as the center of rotation of door main body 26 are provided with hinge assembly 30 in the position up and down.By this hinge assembly 30, door main body 26 rotating being arranged on the refrigerator main body 20.For shutter door 24,24 ' and the parts that form comprise hinge assembly 30, can be separately positioned on the upper and lower end parts of both sides door main body 26.
The structure of hinge assembly 30 is: be formed with pan 29 on the door main body 26 respectively.Pan 29 ovalizes.The upper surface of this door main body 26 or lower surface are formed slopely during with plane or ground plan.In addition, pan 29 is as the criterion with the upper surface of door main body 26, from door 24,24 ' the center of rotation direction to free end, is formed slopely towards the storage space direction.
Hinge plate 31 is installed on the refrigerator main body 20.This hinge plate 31 is tabular, and probably with the right angle bending, and a side is installed on the refrigerator main body 20, and opposite side protrudes to the place ahead of refrigerator main body 20.Shown in Fig. 3 a, on the hinge plate 31 of the place ahead of refrigerator main body 20 protrusion, be formed with joint pin 32 and guide finger 33.This joint pin 32 and guide finger 33 extend certain distance to the direction of door main body 26 respectively and form.
Door main body 26 is provided with elastic cam 35.In this door main body 26, and on the guide finger 33 corresponding positions elastic cam 35 is set.The cam body 36 of this elastic cam 35 is formed with a plurality of connecting holes 36 ' as the part that is installed in door main body 26 on it.This connecting hole 36 ' is formed on: with connecting hole 26 ' the corresponding position of door main body 26.Therefore, connecting screw is combined in the connecting hole 26 ', 36 ', just cam body 36 can be fixed on the door main body 26.In addition, for can be with more firm being fixed on the door main body 26 of cam body 36, the zone that comprises connecting hole 26 ' on door main body 26 can form and the corresponding groove of the shape of cam body 36.
One side of cam body 36 is formed with resilient guiding device 38.This resilient guiding device 38 can strain from the characteristic of shape.Be formed with arrangement portion 38 ' on the resilient guiding device 38, when door 24,24 ' is in closed condition, settle guide finger 33.When this guide finger 33 is placed in arrangement portion 38 ', the resilient guiding device 38 that is under the elastic deformation will provide active force, cause the front end packing ring 28 ' of door main body 26 front ends to produce the trend of being close to the packing ring 28 ' of opposite side door main body 26.
Front end one side along resilient guiding device 38 is formed with guide part 39.Acting as of this guide part 39: at open initial stage of door main body 26 with close latter stage the position of locating hinge pin 32 in pan 29.In addition, the side with the corresponding cam body 36 of the front end of resilient guiding device 38 is formed with detent 40.The effect of this detent 40 is: when door main body 26 was done the switching motion, constraint resilient guiding device 38 made the strain of resilient guiding device 38 not exceed certain limit.
Be formed with gathering sill 42 on the cam body 36.The effect of this gathering sill 42 is: guide moving of guide finger 33.In addition, the opening direction of the inlet of gathering sill 42 is outsides of cam body 36, also is the back side direction of door main body 26, still is the front direction of refrigerator main body 20 simultaneously.The inlet of gathering sill 42 presents wide more more laterally shape.The width of this inlet should form corresponding to the length of pan 29.Especially, in inlet, a side is formed with inserts guide part 42 '.The effect of this insertion guide part 42 ' is: no matter joint pin 32 is in any position of pan 29, and guide finger 33 is entered in the gathering sill 42.The inboard part of gathering sill 42 will be formed by the guide part 39 and the arrangement portion 38 ' of resilient guiding device 38.
In gathering sill 42, the curvature of the part that is made of resilient guiding device 38 is different from the curvature of remainder.Be as the criterion with Fig. 2, the part from the inlet of gathering sill 42 to resilient guiding device before 38, its curvature forms: when joint pin 32 is positioned at the right-hand end of pan 29, allow joint pin 32 become the center of rotation of door main body 26.This part is called rotates guide part 43.
Then, in the gathering sill 42, be mobile guide portion 43 ' corresponding to the part of resilient guiding device 38.The structure optimum state of this mobile guide portion 43 ' is to have the big slightly inclination angle, inclination angle that forms than pan 29.Mobile guide portion 43 ' act as: with the guide part 39 of resilient guiding device 38 position of locating hinge pin 32 together.
In addition, in the present embodiment, cam body 36 is that benchmark is divided into two parts formation with gathering sill 42.For whole this cam body 36 of integral production, in gathering sill 42, form brace 45.Acting as of this brace 45: the cam body 36 that interconnects both sides.The thickness of this brace 45 is than the thin thickness of cam body 36.
Below, to possessing the effect of the device for opening/closing door of the refrigerator of the present invention of formation as mentioned above, be described in detail.
Fig. 5 a to Fig. 5 d for the switching procedural order of the door 24,24 ' in the device for opening/closing door that shows refrigerator of the present invention working state figure.Now only be as the criterion and describe with the door 24 in refrigerator main body 20 left sides.
At first, show door 24, the 24 ' state that is in when closing among Fig. 5 a.Under above-mentioned state, guide finger 33 will be placed in the arrangement portion 38 ' of resilient guiding device 38.At this moment, because the effect of the elastic force of resilient guiding device 38, door main body 26 will be subjected to the power of its leading section towards the leading section direction of relative side door 24 '.At this moment, joint pin 32 will be positioned at the leftmost side of pan 29.
Under above-mentioned state, the user holds door handle 27 and draws to the opposite direction one of refrigerator, and door main body 26 will be that rotate at the center with pan 29.But at the open initial stage, guide finger 33 will relatively move along the mobile guide portion 43 ' of gathering sill 42.That is, owing to the power that puts on the door main body 26, the front end of resilient guiding device 38 will be close on the detent 40, and guide finger 33 will relatively move along guide part 39.Therefore, joint pin 32 also will move along pan 29.Described state is with the same shown in Fig. 5 b.
Because described operation, door main body 26 will towards separate from front end relative to the door main body 26 of side door 24 ' (away from) direction move.Therefore, front end packing ring 28 ' is separated from each other beginning.
Shown in Fig. 5 c, if guide finger 33 breaks away from mobile guide portion 43 ', rotate guide part 43 and enter into, joint pin 32 will move to the rightmost side of pan 29.To Fig. 5 c state, the distance that door main body 26 moves is exactly the distance that joint pin 32 moves along pan 29 from the state of Fig. 5 a.The front end packing ring 28 ' of the door 24 of Fig. 5 c separates with the front end packing ring 28 ' of door 24 ', and packing ring 28 separates from the front of refrigerator main body 20, and door main body 26 begins to rotate simultaneously.
Then, shown in Fig. 5 d, the state of door 24 is: joint pin 32 is positioned at the rightmost side of pan 29, and guide finger 33 will be along rotation guide part 43 guiding of gathering sill 42.Then, if door 24 continues to open, guide finger 33 will break away from gathering sill 42, and door 24 is that rotate at the center with joint pin 32 just.
The pass closed procedure of door 24 will be described in addition, below.When door 24 was opened, guide finger 33 can be by gathering sill 42 guiding, and therefore, joint pin 32 can arbitrarily move in pan 29.But, in the process of closing door 24,, the insertion guide part 42 ' that guide finger 33 is entered the mouth by gathering sill 42 rotates guide part 43 if being guided and enter, and joint pin 32 will move to the rightmost side of pan 29.At this moment, after joint pin 32 will move to the rightmost side of pan 29, guide finger 33 will be guided by rotating guide part 43, and door 24 also rotates with corresponding track simultaneously.
Then, if enter mobile guide portion 43 ' behind the guide finger 33 contact guide parts 39, joint pin 32 will move to the left side of pan 29.At this moment, because the elastic force of resilient guiding device 38, door 24 will be pressed against door 24 ' side.Therefore, the front end packing ring 28 ' that is arranged on door main body 26 front ends can be close on the front end packing ring 28 ' of door 24 '.Cling at this door main body 26 in the middle of the process of front of refrigerator main body 20, door main body 26 along the incline direction of the incline direction of pan 29 and mobile guide portion 43 ' near refrigerator main body 20.Therefore, when front end packing ring 28 ' is close to mutually, will can the phase mutual friction.
It is emphasized that in the total design scope of the present invention those skilled in the art can make amendment and propose various embodiment the present invention.Therefore, the scope of the present invention should be as the criterion with claims and make an explanation.
For example, guide finger 33 is not must be formed on the hinge plate 31, but can be formed on the miscellaneous part.
Then, the shape of elastic cam 35 has more than and is confined to present embodiment, but can form with different shapes.And, can be after forming certain mounting groove on the door main body 26, fixedly elastic cam 35.In addition, elastic cam 35 can be integrally formed on the finial above the door main body 26.
In the structure that a storage space is opened and closed with an opposite house in the present invention, the not phase mutual friction of front end packing ring, and directly be close to or separate.Therefore, the durability of front end packing ring will further improve.
In addition, when an opposite house is closed, resilient guiding device will provide elastic force towards the opposed facing direction of the front end of door, therefore can reduce to hold in front of the door the cooling gas leakage phenomenon to greatest extent.
Claims (5)
1. the device for opening/closing door of a refrigerator, it is characterized in that: described refrigerator doors opening and closing device comprises hinge plate (31), door main body (26), guide finger (33) and elastic cam (35), hinge plate (31) is installed on the refrigerator main body (20), and be formed with joint pin (32), refrigerator main body (20) inside is formed with storage space, door main body (26) opens and closes storage space, and be formed with the pan (29) of ovalize, joint pin (32) inserts pan (29), guide finger (33) is arranged on refrigerator main body (20) front side, and the rotation of guiding door main body (26), elastic cam (35) is arranged on the door main body, and by relatively moving and the movement locus of control gate main body (26) of guiding guide finger (33), and provide the elastic force that door main body (26) is moved to the place ahead of its free end, be formed with gathering sill (42) on the cam body (36) of described elastic cam (35), moving of gathering sill (42) guiding guide finger (33), the inlet of gathering sill (42) comprises insertion guide part (42 '), insert moving of guide part (42 ') guiding guide finger (33), and gathering sill (42) will possess the width corresponding to pan (29) length at least, also be formed with guide part (43) and the mobile guide portion (43 ') of rotating on the cam body (36) of described elastic cam (35), when door main body (26) rotates, rotate guide part (43) and guiding guide finger (33), open initial stage of door main body (26) and closing latter stage, mobile guide portion (43 ') is guiding guide finger (33), causes joint pin (32) to move in pan (39).
Refrigerator according to claim 1 the door opening and closing device, it is characterized in that: a side of described mobile guide portion (43 ') is formed by resilient guiding device (38), resilient guiding device (38) can strain from the characteristic of shape, and an end of resilient guiding device (38) is connected with cam body (36), resilient guiding device (38) also possesses guide part (39) and arrangement portion (38 ') is arranged, guide part (39) forms mobile guide portion (43 '), when door main body (26) when being in closed condition, arrangement portion (38 ') has settled guide finger (33).
Refrigerator according to claim 2 the door opening and closing device, it is characterized in that: a side of described cam body (36) also is provided with detent (40), detent (40) is the leading section of support elastic guider (38) optionally.
4. the device for opening/closing door of refrigerator according to claim 1 is characterized in that: described pan (29) is formed slopely towards the storage space direction slightly from the center of rotation of door main body (26) direction to free end.
5. the device for opening/closing door of refrigerator according to claim 1, it is characterized in that: described guide finger (33) is arranged on the hinge plate (31), and with joint pin (32) setting that keeps at a certain distance away.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100155639A CN1952558B (en) | 2005-10-21 | 2005-10-21 | Open-close facilities for refrigerator door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100155639A CN1952558B (en) | 2005-10-21 | 2005-10-21 | Open-close facilities for refrigerator door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1952558A CN1952558A (en) | 2007-04-25 |
| CN1952558B true CN1952558B (en) | 2011-01-12 |
Family
ID=38059013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100155639A Expired - Fee Related CN1952558B (en) | 2005-10-21 | 2005-10-21 | Open-close facilities for refrigerator door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1952558B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102267891B1 (en) | 2014-12-01 | 2021-06-23 | 삼성전자주식회사 | Refrigerator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5548927A (en) * | 1994-04-29 | 1996-08-27 | Samsung Electronics Co., Ltd. | Door opening and closing apparatus |
| CN1509401A (en) * | 2001-03-13 | 2004-06-30 | 夏普株式会社 | Cam mechanism and door opening/closing mechanism |
-
2005
- 2005-10-21 CN CN2005100155639A patent/CN1952558B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5548927A (en) * | 1994-04-29 | 1996-08-27 | Samsung Electronics Co., Ltd. | Door opening and closing apparatus |
| CN1509401A (en) * | 2001-03-13 | 2004-06-30 | 夏普株式会社 | Cam mechanism and door opening/closing mechanism |
Non-Patent Citations (1)
| Title |
|---|
| JP昭58-148380A 1983.09.03 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1952558A (en) | 2007-04-25 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS ( TIANJIN ) ELECTRICAL APPLIANCES CO., LTD. Effective date: 20091225 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20091225 Address after: 2, Yingbin Road, Taizhou Economic Development Zone, Jiangsu, China: 225300 Applicant after: Taizhou LG Electronics Refrigerator Co., Ltd. Address before: Beichen District, Tianjin Xing Dian Highway Code: 300402 Applicant before: LG Electronic (Tianjin) Electrical Appliance Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20121021 |