CN101042036A - Slide-support mechanism, transmission device and electric internal-open and inner tilt window - Google Patents
Slide-support mechanism, transmission device and electric internal-open and inner tilt window Download PDFInfo
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- CN101042036A CN101042036A CNA2006100249838A CN200610024983A CN101042036A CN 101042036 A CN101042036 A CN 101042036A CN A2006100249838 A CNA2006100249838 A CN A2006100249838A CN 200610024983 A CN200610024983 A CN 200610024983A CN 101042036 A CN101042036 A CN 101042036A
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Abstract
An electric inner opening door and window comprises a door or window and the frame, an interlocking mechanism, a fixed slot fixed on the said door or window and a pulling bar with slide slot, and a locking component with several locking points, locking the window or door to the upper and side of the frame, a slide propel structure composed of a slide support structure and a slide track fixed on the said window or door frame, a slider and two pieces of linking bars inserted into the slide track, with one end of one of the linking bar hinged to the said slide track and the other end bended and embedded into the said slide slot, and both ends of the other linking bar hinged to the said slider and one of the linking bar and one being the electric driven structure connected to the said slider. The said electric door or window can avoid dead end, with high performance and cost ratio, convenient and reliable.
Description
Technical field
The present invention relates to door and window hardware spare, particularly a kind of slide-support mechanism and transmission device that can be used for internal-open and inner tilt window the invention still further relates to a kind of electric internal-open and inner tilt window that adopts this transmission device.
Background technology
Door and window can be divided into common form such as casement window, outstanding window and internal-open and inner tilt window by opening ways, and wherein casement window comprises that hinge (hinge) is loaded on the reveal face and casement window opening inwards, the hinge (hinge) inwardly opened are loaded on reveal face and the outer casement window of outwards opening and window sliding support and along edge inwardly or the casement window of outwards opening is housed up and down; Outstanding window comprises that hinge (hinge) is loaded on window upside and bottom inside or outwards unlatching, axle is contained in about window and can be loaded on window downside and top inside or that outwards open along horizontally pivoted window, the hinge (hinge) of axle rotation; Internal-open and inner tilt window or flat-opened bottom-hung window are meant can realize that inward opening can realize the outstanding window of opening again.The advantage of internal-open and inner tilt window is can obtain bigger ventilation by the flat opening ways of opening; And require when not being very big in ventilation, can realize indoor suitable ventilation by the opening ways of outstanding (promptly) down.
In recent years, along with expanding economy, people are more and more higher for the requirement of housing quality, this wherein, in order to satisfy automation and intelligentized demand, power window also arises at the historic moment.But up to now, Shang Weiyou comes out with the internal-open and inner tilt window of electronic mode opening and closing.
Summary of the invention
An object of the present invention is to provide a kind of slide-support mechanism, it can be used in electric internal-open and inner tilt window.
For achieving the above object, this slide-support mechanism comprises a slide rail, slide block and two connecting rods that embed in the described slide rail, wherein an end of a connecting rod is hinged on the described slide rail and the other end is bending or bending, and the two ends of another root connecting rod are hinged on respectively on described slide block and the described wherein connecting rod.
Another object of the present invention provides a kind of transmission device, and it can be used in electric internal-open and inner tilt window.
For achieving the above object, this transmission device comprises:
A link gear comprises a holddown groove and a pull bar that is provided with chute that is suitable for being fixed on the door and window fan body, and an end of described pull bar is suitable for being fixed on the door and window framework, and the other end is suitable for sliding along the direction of described holddown groove; And
A slide-support mechanism, comprise one and be suitable for being fixed in the slide rail on the described door and window framework, slide block and two connecting rods that embed in the described slide rail, wherein an end of a connecting rod is hinged on the described slide rail and the other end is bending or bending and embed in the described chute, and the two ends of another root connecting rod are hinged on respectively on described slide block and the described wherein connecting rod.
Reasonable is that in above-mentioned transmission device, the middle part of described pull bar is connected with holddown groove by a connecting rod.
Of the present invention also have a purpose to provide a kind of electric internal-open and inner tilt window, and it has realized flatly opening and hanging out with what electronic mode realized door and window.
For realizing this goal of the invention, this electric internal-open and inner tilt window comprises:
A door and window fan body;
A door and window framework;
A link gear comprises a holddown groove and a pull bar that is provided with chute that is fixed in described door and window fan body upper edge, and an end of described pull bar is fixed on the described door and window framework, and the other end is suitable for sliding along the direction of described holddown groove;
Interlock assembly with a plurality of lock points is used for described door and window fan body is locked in upper edge or the lower edge and the side edge of described door and window framework;
A slide-support mechanism, comprise one and be fixed in the slide rail of described door and window framework upper edge, slide block and two connecting rods that embed in the described slide rail, wherein an end of a connecting rod is hinged on the described slide rail and the other end is bending or bending and embed in the described chute, and the two ends of another root connecting rod are hinged on respectively on described slide block and the described wherein connecting rod; And
An electric driving mechanism that is connected with described slide block.
Reasonablely be, in above-mentioned electric internal-open and inner tilt window, described blocking mechanism comprises the snap close that is fixed on the described door and window framework, be suitable for the slider bar that moves along door and window fan body periphery and be fixed in projection on the described slider bar, the position that moves to described snap close when described projection promptly is blocked, thereby stops the flat of described door and window fan body to be opened or outstanding opening.
Slide-support mechanism of the present invention has guaranteed that connecting rod and slide rail have certain included angle, has therefore avoided the existence in dead band.Transmission device of the present invention can adopt existing door and window hardware spare, only needs to do slightly to change to get final product, and has therefore realized good cost performance.Electric internal-open and inner tilt window of the present invention also has and implements convenient and reliable advantage except having above-mentioned advantage.
The accompanying drawing summary
Below by preferred embodiment and accompanying drawing the present invention is done to set forth more fully, wherein:
Fig. 1 is the door and window schematic diagram that sliding support structure commonly used is installed.
The schematic diagram that Fig. 2 is a sliding support structure commonly used shown in Figure 1 under rounding state almost completely.
Fig. 3 is the sliding support structure schematic diagram according to one embodiment of the invention.
Fig. 4 is used for Ping Kai and the outstanding typical structure schematic diagram of opening the five metals module of two kinds of opening ways for prior art.
Fig. 5 a, 5b and 5c are respectively according to the electric internal-open and inner tilt window of one embodiment of the invention at closed, Ping Kai and the interior schematic diagram that falls under three kinds of states.
The specific embodiment
Fig. 1 is the door and window schematic diagram that sliding support structure commonly used is installed, as shown in Figure 1, this slide-support mechanism is made up of slide rail 1, slide block 2 and four connecting rod 3a～3d, wherein, slide rail 1 is installed on the window frame 4, and slide block 2 embeds in the slide rail 1, connecting rod 3a is fixed on the sash 5, connecting rod 3b is hinged between slide rail 1 and the connecting rod 3a, and connecting rod 3c is hinged between slide block 2 and the connecting rod 3b, and connecting rod 3d is hinged between slide block 2 and the connecting rod 3a.When slide block 2 (being the pin joint between connecting rod 3c and the 3d) slided in slide rail 1, sash 5 was in next edge slide rail direction translation of drive of connecting rod, on one side around the pin joint rotation.
In order to realize opening and closing automatically of door and window, the driving mechanism of electronic driving controller and the slide block 2 of slide way mechanism shown in Figure 1 can be linked together, by moving the folding and unfolding connecting rod, thereby reach the purpose of opening and closing sash along slide rail direction driving sliding block.
But as shown in Figure 2, when this slide-support mechanism is in complete rounding state at door and window near closed condition or connecting rod, pin joint between connecting rod 3a～3d almost coincides with same straight line L-L, the angle that also is the connecting rod 3c of hinged slide block 2 and 3d and slide rail 1 is very little, cause along the slide rail directive effect in slide block driving force on 2 too little or almost nil perpendicular to the component of connecting rod 3c and 3d direction, therefore can't make connecting rod 3a～3d open or draw in by promoting slide block 2, in other words, there is a critical angle that opens and closes automatically sash, when the angle of connecting rod 3a～3d and slide rail 1 during near this angle, no matter on slide block 2, apply great driving force along slide rail 1 direction, all can't further open or draw in connecting rod 3a～3d, below near such scope that makes connecting rod further open or to draw in this critical angle is called " dead band ".
When door and window is closed; the connecting rod of slide-support mechanism will draw in or fold up; so-called rounding state fully; refer to when door and window is closed fully; when being sash or door leaf (below be referred to as fan body) plane, place and window frame or doorframe (below be referred to as framework) place planes overlapping, the residing state of the connecting rod of slide-support mechanism.Invention main points of the present invention are, by make the connecting rod that is hinged on the slide block when being in complete rounding state and slide rail be certain angle, thereby avoided " dead band ".In other words, the pin joint between the connecting rod of slide-support mechanism can't coincide with on the straight line, thereby when making connecting rod on being fixed in fan body be parallel to slide rail, the connecting rod and the slide rail that are hinged on the slide block are certain included angle.
Fig. 3 is for also having the sliding support structure schematic diagram of an embodiment according to the present invention.As shown in Figure 3, it is made up of slide rail 31, slide block 32 and two connecting rod 33a, 33b, wherein, can slippage in slide rail thereby slide block 32 embeds in the slide rails 31, the end of connecting rod 33a is hinged on the slide rail 31 and the other end is bending or bending and be connected to below on the link gear that will further describe, the two ends of connecting rod 33b are hinged on the middle part of slide block 32 and connecting rod 33a respectively.Referring to Fig. 3, the middle part of connecting rod 33a can be crooked or bending, and connecting rod 33b dumpling contact thereon can be positioned at this bending or bending place.
When slide block 32 slided in slide rail 31, connecting rod 33b one edge slide rail direction translation was on one side around itself and the rotation of the pin joint of connecting rod 33a.In the present embodiment, even slide-support mechanism is under complete rounding state, the connecting rod 33b of hinged slide block 32 and the angle of slide rail 31 still will be greater than critical angle, make along the slide rail directive effect in slide block the driving force on 32 on direction, have the component that is enough to the folding and unfolding connecting rod perpendicular to connecting rod 33b, can make connecting rod 33a and 33b open or draw in by promoting slide block 32, thereby overcome the dead band that exists in the slide-support mechanism shown in Figure 1.
Can realize that by the described slide-support mechanism of Fig. 3 electronic mode drives above, can be installed in the window frame profile die cavity electronic driving controller (not shown) or other position for this reason, the slide block 32 of its driving mechanism and slide-support mechanism is linked together, by moving the folding and unfolding connecting rod, thereby reach the purpose of opening and closing sash along slide rail direction driving sliding block 32.
In existing internal-open and inner tilt door and window, generally realize the switching of two kinds of opening ways and closing of door and window by a cover five metals module, this five metals module can be buied on market, product, for example the production code member of Shandong Guoqiang five metals group company production is the aluminium alloys horizontal-opening under-hanging hardware system of GQCPX-130-7M.
Fig. 4 shows the typical structure schematic diagram of the five metals module that is used for flat-opened bottom-hung window.As shown in Figure 4, this five metals module comprises a holddown groove 41 that can be fixed in the sash upper edge, one end of pull bar 42 will be fixed in the window frame side along last by hinge 43, and the other end can move in holddown groove 41, and the middle part of pull bar 42 is connected on the holddown groove 41 by a connecting rod 44.When pull bar 42 is mobile in holddown groove 41 because holddown groove is fixed on the sash, will spur sash flat open or hang open.Above-mentioned these parts can link with slide-support mechanism, and door and window is flat to be opened and hang out thereby make, and below they are called link gear.
Referring to Fig. 3, the present invention has done change to pull bar 42, chute 42a is set thereon, dumpling is connected on that pull bar 33a on the slide rail 31 bends or that end of bending embeds among chute 42a in the slide way mechanism, therefore when slide-support mechanism drove in electronic mode, the driving force of driving mechanism was passed to link gear through slide way mechanism, thereby was converted to the active force that opens and closes door and window, with regard to this meaning, above-mentioned slide-support mechanism and link gear play a part transmission device.
In order to control the opening ways of sash, five metals module shown in Figure 4 adopts the blocking mechanism with a plurality of lock points, and particularly, snap close 45 will be fixed on the side of window frame along last, the end of slider bar 46a is connected to the slider bar 46b that is positioned at the upper edge through gyrator 47a, its middle part with handle 48 mutually lotus root close.When rotating handle 48, can drive slider bar 46a along the sash side along moving up and down, the projection 49 that will be fixed in thus on the slider bar 46a is positioned at different positions, when projection 49 positions that are positioned at snap close 45 promptly are blocked, thereby stops the flat of sash to be opened.Equally, similar structure has also been adopted in outstanding control of opening to sash, that is, be fixed with the snap close (not shown) in the lower edge of window, the other end of slider bar 46a is connected to slider bar 46c through gyrator 47b, like this, when rotating handle 48, slider bar 46c drives the protruding (not shown) move left and right that is fixed on the slider bar 46c thus along sash lower edge move left and right, the position that moves to snap close when this projection promptly is blocked, thereby stops the outstanding of sash to be opened.At last, in order to close sash, it can not be put down out can not hang out, and is fixed with the snap close (not shown) in the upper edge of window, when rotating handle 48, slider bar 46b is along sash upper edge move left and right, drive the protruding (not shown) move left and right be fixed on the slider bar 46b thus, when this projection moves to the position of snap close, sash can't be opened, and when the position of this projection skew snap close, then apparent place determine opening ways in the position of the projection of sash side edge and lower edge.
It is worthy of note that the rotation of handle 48 can the motorized motions mode realize, also can be driven by manpower, but it all is intended to be converted to rotatablely moving the rectilinear motion of slider bar 46a-46c as common handle.
Fig. 5 a, 5b and 5c are respectively according to the electric internal-open and inner tilt window of one embodiment of the invention at closed, Ping Kai with outstandingly open three kinds of schematic diagrames under the state.This motorized window comprises window frame 51, sash 52, link gear, slide-support mechanism, blocking mechanism and electric driving mechanism, wherein, link gear adopts with reference to Fig. 3 and the described structure of Fig. 4, and slide-support mechanism adopts with reference to the described structure of Fig. 3, and blocking mechanism adopts the described structure of Fig. 4.
The holddown groove 41 of link gear is fixed in sash 52 upper edges, and an end of pull bar 42 is fixed in the side of window frame 51 along last by hinge 43, and the other end can slide in holddown groove 41.
For realizing the Multiple locking point locking, blocking mechanism for example can respectively be provided with a snap close in upper edge, side edge and the lower edge of window frame 51, the relative position relation of these snap closes is, when the projection on the slider bar 46a is not stopped by corresponding snap close, projection on slider bar 46b and the 46c is not blocked yet, thereby allows open flat casement sash; When the projection on the slider bar 46c was stopped by corresponding snap close, the projection on slider bar 46a and the 46b was not blocked, thereby allowed sash to open in interior mode.By rotating handle 48, slider bar 46a, 46b and 46c move along side edge, upper edge, the lower edge of sash 52 respectively, and the projection on these slider bars is positioned at each self-corresponding snap close position, the flat open and close that can realize sash 52 close with interior.
The slide rail 31 of slide-support mechanism is fixed in the upper edge of window frame 51, slide block 32 embeds in the slide rail 31, the end of connecting rod 33a is hinged on the slide rail 31 and the end that is bending or bending embeds in the chute of link gear pull bar, and the two ends of connecting rod 33b are hinged on the middle part of slide block 32 and connecting rod 33a respectively.
Electronic driving controller is installed in the window frame profile die cavity or other position, and the slide block 32 of its driving mechanism and slide way mechanism links together, and by moving the folding and unfolding connecting rod along slide rail 31 direction driving sliding block, thereby reaches the purpose of opening and closing sash.
Shown in Fig. 5 a, electric horizontal-opening under-hanging window is in closure state, be positioned at the snap close that projection on the slider bar 46b is positioned at window frame 51 upper edges this moment and stop, so sash can't be opened.
Shown in Fig. 5 b, electric horizontal-opening under-hanging window is in the flat state of opening, being positioned at the snap close that projection on slider bar 46a, 46b and the 46c is not positioned at window frame 51 this moment stops, therefore when slide block 32 under the ordering about of driving mechanism in slide rail 31 during slip, the connecting rod 33a of slide-support mechanism rotates around the dumpling contact that is positioned at slide rail 31, the pull bar 42 that drives link gear rotates in the paper plane of Fig. 3, thereby realizes the keying of sash 52 with flat evolution formula.
Shown in Fig. 5 c, the window that falls in the electric horizontal-opening is in interior state, being positioned at the snap close that projection on slider bar 46a, the 46b is not positioned at window frame 51 this moment stops, and the projection on the slider bar 46c is stopped by snap close, therefore when slide block 32 under the ordering about of driving mechanism in slide rail 31 during slip, the connecting rod 33a of slide-support mechanism rotates around the dumpling contact that is positioned at slide rail 31, forces the pull bar 42 of link gear to rotate in the paper plane perpendicular to Fig. 3, thereby realizes that sash 52 opens and closes in interior mode.
It is worthy of note, in the superincumbent description, be that example has been described the present invention with flat open and inner tilt window, but it is evident that principle of the present invention equally also is applicable to other flat open and inner tilt windows.Term " middle part " refers to a position that is between the two ends, is not interpreted as it is point midway between the two ends with not answering narrow sense.In claims, verb " comprises " and the use of version does not foreclose those NM in the claims unit.Used indefinite article " " does not foreclose a plurality of unit before the unit.
Claims (9)
1, a kind of slide-support mechanism, comprise a slide rail, slide block and two connecting rods that embed in the described slide rail, wherein an end of a connecting rod is hinged on the described slide rail and the other end is bending or bending, and the two ends of another root connecting rod are hinged on respectively on described slide block and the described wherein connecting rod.
2, slide-support mechanism as claimed in claim 1, wherein, bending or crooked takes place in described wherein connecting rod in the middle, and an end of described another root connecting rod is hinged on generation bending or bent position.
3, a kind of transmission device comprises:
A link gear comprises a holddown groove and a pull bar that is provided with chute that is suitable for being fixed on the door and window fan body, and an end of described pull bar is suitable for being fixed on the door and window framework, and the other end is suitable for sliding along the direction of described holddown groove; And
A slide-support mechanism, comprise one and be suitable for being fixed in the slide rail on the described door and window framework, slide block and two connecting rods that embed in the described slide rail, wherein an end of a connecting rod is hinged on the described slide rail and the other end is bending or bending and embed in the described chute, and the two ends of another root connecting rod are hinged on respectively on described slide block and the described wherein connecting rod.
4, transmission device as claimed in claim 3, wherein, bending or crooked takes place in described wherein connecting rod in the middle, and an end of described another root connecting rod is hinged on generation bending or bent position.
5, transmission device as claimed in claim 3, wherein, the middle part of described pull bar is connected with holddown groove by a connecting rod.
6, a kind of electric internal-open and inner tilt door and window is characterized in that, comprises:
A door and window fan body;
A door and window framework;
A link gear comprises a holddown groove and a pull bar that is provided with chute that is fixed in described door and window fan body upper edge, and an end of described pull bar is fixed in described doorframe and window frame side along last, and the other end is suitable for sliding along the direction of described holddown groove;
Interlock assembly with a plurality of lock points is used for described door and window fan body is locked in upper edge or the lower edge and the side edge of described door and window framework;
A slide-support mechanism, comprise one and be fixed in the slide rail of described door and window framework upper edge, slide block and two connecting rods that embed in the described slide rail, wherein an end of a connecting rod is hinged on the described slide rail and the other end is bending or bending and embed in the described chute, and the two ends of another root connecting rod are hinged on respectively on described slide block and the described wherein connecting rod; And
An electric driving mechanism that is connected with described slide block.
7, electric internal-open and inner tilt window as claimed in claim 6, wherein, bending or crooked takes place in described wherein connecting rod in the middle, and an end of described another root connecting rod is hinged on generation bending or bent position.
8, electric internal-open and inner tilt window as claimed in claim 7, wherein, the middle part of described pull bar is connected with holddown groove by a connecting rod.
9, electric internal-open and inner tilt window as claimed in claim 8, wherein, described interlock assembly comprises the snap close that is fixed on the described door and window framework, be suitable for the slider bar that moves along door and window fan body periphery and be fixed in projection on the described slider bar, the position that moves to described snap close when described projection promptly is blocked, thereby stops the flat of described door and window fan body to be opened or outstanding opening (falling promptly).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100249838A CN101042036A (en) | 2006-03-23 | 2006-03-23 | Slide-support mechanism, transmission device and electric internal-open and inner tilt window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100249838A CN101042036A (en) | 2006-03-23 | 2006-03-23 | Slide-support mechanism, transmission device and electric internal-open and inner tilt window |
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| Publication Number | Publication Date |
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| CN101042036A true CN101042036A (en) | 2007-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100249838A Pending CN101042036A (en) | 2006-03-23 | 2006-03-23 | Slide-support mechanism, transmission device and electric internal-open and inner tilt window |
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| CN (1) | CN101042036A (en) |
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| CN106499310A (en) * | 2017-01-10 | 2017-03-15 | 陈统平 | A kind of Antiprizing door/window |
| CN106555538A (en) * | 2015-09-24 | 2017-04-05 | 王沙沙 | Outside upper outstanding tilt window |
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| KR101798116B1 (en) | 2015-10-12 | 2017-11-16 | (주)에이스 힌지텍 | Portable Electronic Device having angle control Display |
| CN108397092A (en) * | 2018-04-28 | 2018-08-14 | 龚均明 | A kind of door and window hardware component and door and window system |
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| CN106555538A (en) * | 2015-09-24 | 2017-04-05 | 王沙沙 | Outside upper outstanding tilt window |
| KR101798116B1 (en) | 2015-10-12 | 2017-11-16 | (주)에이스 힌지텍 | Portable Electronic Device having angle control Display |
| CN106499310A (en) * | 2017-01-10 | 2017-03-15 | 陈统平 | A kind of Antiprizing door/window |
| CN106813283A (en) * | 2017-04-10 | 2017-06-09 | 珠海格力电器股份有限公司 | A kind of open-and-close mechanism and lampblack absorber |
| CN108397092B (en) * | 2018-04-28 | 2024-01-30 | 龚均明 | Door and window hardware assembly and door and window system |
| CN108397092A (en) * | 2018-04-28 | 2018-08-14 | 龚均明 | A kind of door and window hardware component and door and window system |
| CN108661502A (en) * | 2018-06-08 | 2018-10-16 | 李健 | A kind of baffled sliding door and window and baffle |
| CN108661502B (en) * | 2018-06-08 | 2024-04-02 | 合生(山东)门窗系统有限公司 | Sliding door and window with baffle |
| CN109555080A (en) * | 2018-11-23 | 2019-04-02 | 国家电网有限公司 | A kind of interim mine dam and its application method |
| CN109555080B (en) * | 2018-11-23 | 2023-09-01 | 国家电网有限公司 | Temporary waterproof wall and application method thereof |
| CN109649009A (en) * | 2018-12-10 | 2019-04-19 | 深圳劲鑫科技有限公司 | A kind of spray printing device outer cover maintenance valve mechanism |
| CN110748261B (en) * | 2019-06-25 | 2021-04-02 | 北京机械设备研究所 | Linear slide rail with self-locking structure and self-locking and unlocking method |
| CN110748261A (en) * | 2019-06-25 | 2020-02-04 | 北京机械设备研究所 | Linear slide rail with self-locking structure and self-locking and unlocking method |
| CN112389549A (en) * | 2020-11-17 | 2021-02-23 | 东风佛吉亚汽车内饰有限公司 | Cover plate translational hidden opening mechanism |
| CN112389549B (en) * | 2020-11-17 | 2023-04-25 | 东风佛吉亚汽车内饰有限公司 | Cover plate translation hidden opening mechanism |
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Owner name: SHANGHAI TUH DOOR + WINDOW CURTAIN TECHNOLOGY CO., Free format text: FORMER OWNER: ZHANG ERMAO Effective date: 20100823 |
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Free format text: CORRECT: ADDRESS; FROM: 200093 ROOM 203, NO. 59, SHUANGYANG 2ND VILLAGE, LIAOYUAN EAST ROAD, YANGPUDISTRICT, SHANGHAI CITY TO: 201700 1, 5/F, BUILDING 1, NO. 8366, YINGGANG EAST ROAD, QINGPU DISTRICT, SHANGHAI CITY |
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Effective date of registration: 20100823 Address after: 201700, Qingpu District, Shanghai, 8366 Tung Kong Road, 1, building 5, -1 Applicant after: Shanghai Wai door and window curtain wall technology Co., Ltd. Address before: 200093 203, room 59, Shuangyang second village, Liaoyuan East Road, Shanghai, Yangpu District Applicant before: Zhang Ermao |
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Application publication date: 20070926 |