CN106996265A - A kind of liftable disguised screen window device and its operating method - Google Patents
A kind of liftable disguised screen window device and its operating method Download PDFInfo
- Publication number
- CN106996265A CN106996265A CN201610858777.0A CN201610858777A CN106996265A CN 106996265 A CN106996265 A CN 106996265A CN 201610858777 A CN201610858777 A CN 201610858777A CN 106996265 A CN106996265 A CN 106996265A
- Authority
- CN
- China
- Prior art keywords
- magnet
- stretching
- retraction
- screen window
- coil
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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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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
- E06B9/54—Roller fly screens
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/56—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by magnetic or electromagnetic attraction or operated by electric or electromagnetic means
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
A kind of liftable disguised screen window device and its operating method, including installed in window roof（22）In and can be in the window roof（22）In stretch screen window body（8）, thus, when the screen window body（8）Extend downwardly to window bottom wall（21）When, can be by window screening, when the screen window body（8）It is contracted to window roof upwards（22）When middle, window can be opened wide, using the device of the present invention, the state of screen window body can be adjusted according to user's request, screen window body need to be used to block during window, screen window body can be stretched out, can prevent mosquito from flying into window；Screen window body need not be used to block during window, screen window body can be upwards retracted in window roof, so as to which screen window body is hidden, sunshine long-time exposure can be avoided, therefore can increase the service life.
Description
Technical field
It is specially a kind of liftable disguised screen window device and its operating method the present invention relates to building field.
Background technology
In Residential Building, residential subscribers often install screen window on window according to demand, so as to prevent mosquito from flying
Enter, room ventilation is breathed freely, but traditional screen window is all mounted on window, when using on window it is mobile just can,
Using more convenient, but this screen window can frequently suffer from illumination, easily influence service life.
The content of the invention
It is existing for overcoming it is an object of the invention to provide the liftable disguised screen window device of one kind and its operating method
There is the drawbacks described above in technology.
According to the liftable disguised screen window device of the present invention, including in window roof and can be in the window
The screen window body stretched in roof, thus, can be by window screening, when described when the screen window body is extended downwardly to window bottom wall
When screen window body is contracted in window roof upwards, window can be opened wide；Wherein, the screen window body is fixedly installed positioned at upper lateral
The arm plate extended afterwards, the end of the arm plate is hinged with roller and is used to elastic can be moved by rear portion top pressure spring
Double inclined plane top pressure operating block ramp and lower inclined plane engage so as to respectively by the screen window body top pressure to the state of stretching out
And retracted mode, wearing layer is provided with the outer surface of the roller, and the wearing layer is to reduce and the double inclined plane top pressure
Produced abrasion when ramp and the lower inclined plane engagement of operating block, so that the service life of the roller is improved, the arm plate
Upper side be provided with including the retraction set respectively on left and right directions with left magnet and the retraction magnet assembly of right magnet, institute
The downside for stating arm plate is provided with the stretching stretched out with left magnet and the right magnet of stretching including being set respectively on left and right directions
With magnet assembly, it is equipped with including left and right arrangement, slidably and is used to and the contracting respectively in upper install in the window roof
The left magnet of reuse and right magnet corresponding retraction left magnet coil and the retraction retraction of right magnet coil magnet coil group
Install and be equipped with including left and right arrangement, respectively slidably and to use left magnetic with the stretching in bottom in part, the window roof
Body is corresponding with right magnet with stretching to be stretched out with left magnet coil and stretches out the stretching electromagnetic coil assembly with right magnet coil；
The retraction is acted on when lower electric with electromagnetic coil assembly with electromagnetic coil assembly and stretching and is in by respective extension spring
Retracted mode is so as to avoid interference with the motion of the screen window body；It is described to retract with left magnet and retract with right magnet upper surface center
Place is provided with feeler one, and the feeler one uses right magnet coil with described retract with left magnet coil and retraction
It is connected, when described retract is retracted with left magnet and use of retracting with described respectively with left magnet coil and the right magnet coil of retraction
During right magnet contact, the feeler one is pressed, now, and the feeler one controls the retraction to use left electromagnetism
Coil and retraction are stopped being powered with right magnet coil；It is described to stretch out with left magnet and stretch out with the installation of right magnet lower surface center
There is feeler two, the feeler two is connected with described stretch out with left magnet coil and stretching with right magnet coil
Connect, when described stretch out is connect with described stretch out with right magnet coil with left magnet coil and stretching with left magnet and stretching with right magnet
During conjunction, the feeler two is pressed, now, and the feeler two controls the stretching with left magnet coil and stretched
Go out and stopped being powered with right magnet coil；The retraction is used with left magnet and the right magnet of retraction and the left magnet of stretching and stretching
It is mounted on anticollision pad on the end face of right magnet, the anticollision pad is used in the retraction with magnet group and stretching magnet
When group attracts to engage by the retraction with magnet coil group and stretching magnet coil group respectively, the retraction magnet group is reduced
Shock with stretching with magnet group respectively to retraction magnet coil group and stretching magnet coil group.
According to the present invention, the operating method of above-mentioned liftable disguised screen window device, when needs contract the screen window body
Hui Shi, the retraction is with electricity on electromagnetic coil assembly so as in stretching state and attract the screen window body to slide to the left so that institute
Roller is stated to engage with the ramp, the right retraction electromagnetic coil assembly under electricity and in retracted mode, described double
The screen window body is locked in retracted mode by top pressure in the presence of the ramp of sloped roof press operation block；When needing the screen window
When body stretches out, the stretching is made with electricity on electromagnetic coil assembly so as to be in stretching state and attract the screen window body to slide to the right
The roller engage with the lower inclined plane, the right stretching electromagnetic coil assembly under it is electric and be in retracted mode, in institute
The screen window body is locked in stretching state by top pressure in the presence of stating the lower inclined plane of double inclined plane top pressure operating block.
Using the device of the present invention, the state of screen window body can be adjusted according to user's request, screen window body need to be used to hide
When keeping off window, screen window body can be stretched out, can prevent mosquito from flying into window；Screen window body need not be used to block during window, can be by
Screen window body is retracted in window roof upwards, so as to which screen window body is hidden, can avoid sunshine long-time exposure, therefore can extend
Service life, and the hidden aesthetics that window is not interfered with window roof yet of screen window body.And present invention employs left and right
The pattern that the Electromagnetically-operating coil of both sides distribution is engaged with double inclined plane top pressure sliding block, thus, it is possible to ensure to keep screen window body
While being positioned at fixed expectation state, the distance of magnet coil and corresponding magnet can be shortened so that it is guaranteed that Electromagnetically-operating
Validity and raising attraction.
Brief description of the drawings
Fig. 1 is the overlooking structural representation of the liftable disguised screen window device of the present invention.
Fig. 2 is the schematic cross-sectional view of the A-A in Fig. 1, illustrated therein is the stretching state of screen window body.
Fig. 3 is that the device in Fig. 2 is in the view during retracting in screen window body, and now roller connects with ramp
Close and the retraction not yet lower electricity of electromagnetic coil assembly.
Fig. 4 is the schematic cross-sectional view of B-B in Fig. 1.
Embodiment
With reference to Fig. 1-4, the present invention is described in detail.
Disguised screen window device liftable according to an embodiment of the invention, including in window roof 22 and can
The screen window body 8 stretched in the window roof 22, thus, can be by when the screen window body 8 is extended downwardly to window bottom wall 21
Window screening, when the screen window body 8 is contracted in window roof 22 upwards, can open wide window；Wherein, the screen window body 8
Be fixedly installed the arm plate 83 extended back positioned at upside, the end of the arm plate 83 be hinged with roller 84 be used to by rear portion
Top pressure spring 79 and be capable of the double inclined plane top pressure operating block 7 of elastic motion ramp 72 and lower inclined plane 71 engage so as to
Enough respectively extremely stretch out the top pressure of screen window body 8 on state and retracted mode, the outer surface of the roller 84 is provided with wearing layer
841, the wearing layer 41 is produced when being engaged to reduce with the ramp 72 and lower inclined plane 71 of the double inclined plane top pressure operating block 7
Raw abrasion, so as to improve the service life of the roller 84, the upper side of the arm plate 83 is provided with including on left and right directions
The retraction magnet assembly that the retraction set respectively is retracted with right magnet 82 with left magnet 821, the downside of the arm plate 83 is set
It is equipped with including the stretching set respectively on left and right directions with left magnet and stretching magnet assembly of the stretching with right magnet 81, it is described
It is equipped with window roof 9 in upper install including left and right arrangement, respectively slidably and to be contracted with the retraction with left magnet 821
The right magnet 82 of reuse is corresponding to retract with left magnet coil 621 and the retraction magnet coil group retracted with right magnet coil 62
Install and be equipped with including left and right arrangement, respectively slidably and to use left magnetic with the stretching in bottom in part, the window roof 9
Body and stretching are stretched out with left magnet coil 611 and stretching electromagnetic wire of the stretching with right magnet coil 61 with right magnet 81 is corresponding
Coil assembly；The retraction is acted on when lower electric with electromagnetic coil assembly and stretching with electromagnetic coil assembly by respective extension spring
And in retracted mode so as to avoid interference with the motion of the screen window body 8；Described retract uses right magnet with left magnet 821 and retraction
82 upper surfaces center are provided with feeler 1, and the feeler 1 uses left magnet coil with the retraction
621 are connected with retraction with right magnet coil 62, are retracted when described with left magnet coil 621 and right 62 points of the magnet coil of retraction
When not contacted with the retraction with left magnet 821 and retraction with right magnet 80, the feeler 1 is pressed, now,
Described retract of the control of feeler 1 stops being powered with left magnet coil 621 and the right magnet coil 62 of retraction；Institute
State stretching and feeler 2 800, the sensing contact are installed with the right lower surface center of magnet 81 with left magnet and stretching
Device 2 800 is connected with described stretch out with left magnet coil 611 and stretching with right magnet coil 61, when left electromagnetism is used in the stretching
When coil 611 and stretching are engaged with right magnet coil 61 with the left magnet of the stretching and stretching with right magnet 81, the contact
Sensor 2 800 is pressed, now, and the control of feeler 2 800 is described to stretch out with left magnet coil 611 and stretch out use
Right magnet coil 61 stops being powered；It is described to retract with left magnet 821 and the right magnet 82 of retraction and stretch out with left magnet and stretch
Go out with anticollision pad 812 is mounted on the end face of right magnet 81, the anticollision pad 812 is used in retraction magnet group
When attracting to engage by retraction magnet coil group and stretching magnet coil group respectively with magnet group with stretching, reduction is described
Shock of the retraction with magnet group and stretching magnet group respectively to retraction magnet coil group and stretching magnet coil group.
Reference picture 4, exemplarily or valuably, wherein, the stretching is with magnet assembly and stretching electromagnetic coil assembly
In be each mounted on respective scaling operation component, each scaling operation component is separately set including left and right directions
The left wedge block 511 and right wedge block 51 put with corresponding magnet coil to be connected respectively, the left wedge block 511
Left sucking coil 52 is respectively arranged with the bottom of right wedge block 51 and right sucking coil 51 is used to operate with the wedge-shaped arm of top pressure
Left attraction magnet 311 and right attraction magnet 31 on part 3 are corresponded to respectively, and the left sucking coil 52 and right sucking coil 51 are with stretching
Go out to use electric in a corresponding synchronization in magnet assembly and stretching electromagnetic coil assembly, so that the wedge-shaped arm of the top pressure be operated
Part 3 attracts upward motion, by two wedge-shaped arms of the wedge-shaped arm operating parts 3 of the top pressure respectively with the left wedge block 511
Effect with right wedge block 51 and cause corresponding electromagnetic coil assembly to overcome respective extension spring to act on and stretched by top pressure
Go out.
According to embodiment, the operating method of above-mentioned liftable disguised screen window device, when needs contract the screen window body 8
Electricity causes so as to be in stretching state and attract the screen window body 8 to slide to the left on Hui Shi, the retraction electromagnetic coil assembly
The roller 84 is engaged with the ramp 72, the right retraction electromagnetic coil assembly under electricity and in retracted mode,
The screen window body 8 is locked in retracted mode by top pressure in the presence of the ramp 72 of the double inclined plane top pressure operating block 7；Work as needs
When the screen window body 8 is stretched out, electricity on the stretching electromagnetic coil assembly is so as to be in stretching state and attract the screen window
Body 8, which is slided to the right, causes the roller 84 to be engaged with the lower inclined plane 71, the right stretching electromagnetic coil assembly under it is electric and
In retracted mode, the screen window body 8 is locked in by top pressure in the presence of the lower inclined plane 71 of the double inclined plane top pressure operating block 7
Stretching state.
Using the device of the present invention, the state of screen window body can be adjusted according to user's request, screen window body need to be used to hide
When keeping off window, screen window body can be stretched out, can prevent mosquito from flying into window；Screen window body need not be used to block during window, can be by
Screen window body is retracted in window roof upwards, so as to which screen window body is hidden, can avoid sunshine long-time exposure, therefore can extend
Service life, and the hidden aesthetics that window is not interfered with window roof yet of screen window body.And present invention employs left and right
The pattern that the Electromagnetically-operating coil of both sides distribution is engaged with double inclined plane top pressure sliding block, thus, it is possible to ensure to keep screen window body
While being positioned at fixed expectation state, the distance of magnet coil and corresponding magnet can be shortened so that it is guaranteed that Electromagnetically-operating
Validity and raising attraction.
Those skilled in the art can be clear and definite, can in the case of the overall spirit of the present invention and design is not departed from
To make the various modifications for above example.It is each fallen within protection scope of the present invention.The protection scheme of the present invention
It is defined by claims appended hereto.
Claims (3)
1. a kind of liftable disguised screen window device, including installed in window roof（22）In and can be in the window roof
（22）In stretch screen window body（8）, thus, when the screen window body（8）Extend downwardly to window bottom wall（21）When, window can be hidden
Cover, when the screen window body（8）It is contracted to window roof upwards（22）When middle, window can be opened wide；Wherein, the screen window body（8）
It is fixedly installed the arm plate extended back positioned at upside（83）, the arm plate（83）End be hinged with roller（84）To with by means of
By rear portion top pressure spring（79）And it is capable of the double inclined plane top pressure operating block of elastic motion（7）Ramp（72）And lower inclined plane
（71）Engagement is so as to respectively by the screen window body（8）Top pressure extremely stretches out state and retracted mode, the roller（84）It is outer
Wearing layer is provided with surface（841）, the wearing layer（41）To reduce and the double inclined plane top pressure operating block（7）It is upper tiltedly
Face（72）And lower inclined plane（71）Produced abrasion during engagement, so as to improve the roller（84）Service life, the arm plate
（83）Upper side be provided with the left magnet of the retraction including being set respectively on left and right directions（821）Right magnet is used with retracting（82）
Retraction magnet assembly, the arm plate（83）Downside be provided with the left magnetic of the stretching including being set respectively on left and right directions
Right magnet is used in body and stretching（81）Stretching magnet assembly, the window roof（22）In be equipped with upper install including left and right
Arrangement, difference with the retraction slidably and to use left magnet（821）Right magnet is used in retraction（82）Left electricity is used in corresponding retraction
Magnetic coil（621）Right magnet coil is used with retracting（62）Retraction electromagnetic coil assembly, the window roof（22）In under
Position is provided with including left and right arrangement, respectively slidably and to use right magnet with left magnet and stretching with described stretch out（81）It is right
The left magnet coil of the stretching answered（611）Right magnet coil is used with stretching out（61）Stretching electromagnetic coil assembly；It is described to retract
Acted on electromagnetic coil assembly and stretching with electromagnetic coil assembly by respective extension spring and in retracted mode when lower electric
So as to avoid interference with the screen window body（8）Motion；Left magnet is used in the retraction（821）Right magnet is used with retracting（82）Upper surface
Center is provided with feeler one（80）, the feeler one（80）Left magnet coil is used with the retraction（621）
Right magnet coil is used with retracting（62）It is connected, when left magnet coil is used in the retraction（621）Right magnet coil is used with retracting
（62）Respectively left magnet is used with the retraction（821）Right magnet is used with retracting（80）During contact, the feeler one（80）
It is pressed, now, the feeler one（80）Left magnet coil is used in the control retraction（621）Right electromagnetic wire is used with retracting
Circle（62）Stop being powered；Described stretch out uses right magnet with left magnet and stretching（81）Lower surface center is provided with feeler
Two（800）, the feeler two（800）Left magnet coil is used with the stretching（611）Right magnet coil is used with stretching out
（61）It is connected, when left magnet coil is used in the stretching（611）Right magnet coil is used with stretching out（61）Left magnetic is used with the stretching
Right magnet is used in body and stretching（81）During engagement, the feeler two（800）It is pressed, now, the feeler two
（800）Left magnet coil is used in the control stretching（611）Right magnet coil is used with stretching out（61）Stop being powered；The retraction is left
Magnet（821）Right magnet is used with retracting（82）And stretching uses right magnet with left magnet and stretching（81）End face on be mounted on
Anticollision pad（812）, the anticollision pad（812）To described respectively with magnet group and stretching magnet group in the retraction
When retraction attracts to engage with magnet coil group and stretching magnet coil group, the retraction is reduced with magnet group and stretching magnet
Group is respectively to shock of the retraction with magnet coil group and stretching magnet coil group.
2. liftable disguised screen window device as claimed in claim 1 a kind of, wherein, the stretching magnet assembly and stretch
Go out with being each mounted on respective scaling operation component in electromagnetic coil assembly, each scaling operation component is wrapped
Include the left wedge block that left and right directions is provided separately（511）With right wedge block（51）To solid with corresponding magnet coil respectively
Even, the left wedge block（511）With right wedge block（51）Bottom be respectively arranged with left sucking coil（521）Attract with right
Coil（52）To with the wedge-shaped arm operating parts of top pressure（3）On left attraction magnet（311）With right attraction magnet（31）Correspond to respectively,
The left sucking coil（521）With right sucking coil（52）It is corresponding with stretching magnet assembly and stretching electromagnetic coil assembly
A synchronization on electricity so that by the wedge-shaped arm operating parts of the top pressure（3）Attract motion upwards, grasped by the wedge-shaped arm of the top pressure
Workpiece（3）Two wedge-shaped arms respectively with the left wedge block（511）With right wedge block（51）Effect and cause corresponding
Electromagnetic coil assembly overcome respective extension spring to act on and stretched out by top pressure.
3. a kind of operating method of liftable disguised screen window device as claimed in claim 1 or 2, when needing the yarn
Forms（8）During retraction, electricity on the retraction electromagnetic coil assembly is so as to be in stretching state and attract the screen window body（8）To
Left slide causes the roller（84）With the ramp（72）Engagement, the right retraction electromagnetic coil assembly under electricity and locate
In retracted mode, in the double inclined plane top pressure operating block（7）Ramp（72）In the presence of the screen window body（8）Locked by top pressure
It is scheduled on retracted mode；When needing the screen window body（8）During stretching, electricity is stretched so as to be on the stretching electromagnetic coil assembly
Do well and attract the screen window body（8）Slide to the right and cause the roller（84）With the lower inclined plane（71）Engagement, right institute
State electricity under stretching electromagnetic coil assembly and be in retracted mode, in the double inclined plane top pressure operating block（7）Lower inclined plane（71）
In the presence of the screen window body（8）Stretching state is locked in by top pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610858777.0A CN106996265A (en) | 2016-09-29 | 2016-09-29 | A kind of liftable disguised screen window device and its operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610858777.0A CN106996265A (en) | 2016-09-29 | 2016-09-29 | A kind of liftable disguised screen window device and its operating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106996265A true CN106996265A (en) | 2017-08-01 |
Family
ID=59431775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610858777.0A Pending CN106996265A (en) | 2016-09-29 | 2016-09-29 | A kind of liftable disguised screen window device and its operating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106996265A (en) |
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| CN201857189U (en) * | 2010-11-10 | 2011-06-08 | 李士林 | Retractable elevator vane |
| CN102235135A (en) * | 2010-04-23 | 2011-11-09 | 李晓楠 | Screen window hidden linkage type electric glass lifting sliding window |
| CN102275724A (en) * | 2011-04-11 | 2011-12-14 | 徐州华峰测控技术有限公司 | Electromagnetic action executing switch |
| CN102434082A (en) * | 2011-11-29 | 2012-05-02 | 邸泽勇 | External type vertical pulling invisible screen window of casement window |
| CN104209607A (en) * | 2014-08-26 | 2014-12-17 | 楼碧云 | Control system of electrosparking equipment |
| CN204397813U (en) * | 2015-01-07 | 2015-06-17 | 中国人民解放军装甲兵工程学院 | Portablely get cylinder device |
| CN104863438A (en) * | 2014-03-25 | 2015-08-26 | 北汽福田汽车股份有限公司 | Vehicle door handle covering device and vehicle comprising same |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0049066A2 (en) * | 1980-09-25 | 1982-04-07 | Abex Corporation | Bridge brake system |
| CN2913536Y (en) * | 2006-05-30 | 2007-06-20 | 王明亮 | Electrically controlled theft-proof lock |
| CN102235135A (en) * | 2010-04-23 | 2011-11-09 | 李晓楠 | Screen window hidden linkage type electric glass lifting sliding window |
| CN201857189U (en) * | 2010-11-10 | 2011-06-08 | 李士林 | Retractable elevator vane |
| CN102275724A (en) * | 2011-04-11 | 2011-12-14 | 徐州华峰测控技术有限公司 | Electromagnetic action executing switch |
| CN102434082A (en) * | 2011-11-29 | 2012-05-02 | 邸泽勇 | External type vertical pulling invisible screen window of casement window |
| CN104863438A (en) * | 2014-03-25 | 2015-08-26 | 北汽福田汽车股份有限公司 | Vehicle door handle covering device and vehicle comprising same |
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| CN204397813U (en) * | 2015-01-07 | 2015-06-17 | 中国人民解放军装甲兵工程学院 | Portablely get cylinder device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170801 |
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