CN201438255U - Screen structure with foldable support bracket - Google Patents
Screen structure with foldable support bracket Download PDFInfo
- Publication number
- CN201438255U CN201438255U CN 200920204388 CN200920204388U CN201438255U CN 201438255 U CN201438255 U CN 201438255U CN 200920204388 CN200920204388 CN 200920204388 CN 200920204388 U CN200920204388 U CN 200920204388U CN 201438255 U CN201438255 U CN 201438255U
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- curtain
- pole
- column
- support connector
- poles
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of projection screens, in particular to a screen structure with a foldable support bracket. The structure comprises a support seat, a hollow upright connected with the support seat, a horizontally retractable screen and the foldable support bracket, wherein the support bracket is connected with the top end of the upright through a folding lock arranged therebetween in a fixed manner or in a manner that the support bracket can be rotated by 180 DEG in the vertical direction; and the screen is connected on the upright through the support bracket, and can be connected with the support bracket in a horizontally movable manner, so as to be horizontally unfolded. The screen structure with the foldable support bracket has the advantages of simple structure, convenient and labor-saving operation, easy ascent and descent of the projection screen, handy movement, portability, and safe use.
Description
Technical field
The utility model relates to the projection screen technical field, relates in particular to a kind of Collapsible rack curtain structure.
Background technology
Existing stent-type lifting projection screen is made up of projection screen, following pipe, fall way, tripod etc., but its complex structure, inconvenient operation, and cause the damage of projection screen and operating personnel injured easily, and have influence on the use of projection screen, bring inconvenience to the user.
The utility model content
The purpose of this utility model is to overcome above-mentioned weak point of the prior art, provide a kind of simple in structure, more convenient operation, light laborsaving, projection screen lifting easily, be convenient to move and the safer Collapsible rack curtain structure of use easy to carry.
The purpose of this utility model can reach by following measure:
This Collapsible rack curtain structure, but comprise the curtain that supporting seat, the hollow pillar stand that is connected with supporting seat and level are flexible, its special character is: also comprise collapsible bracing frame, support frame as described above and described column top can vertical Rotate 180 degree be connected and fixedly connected by being arranged on fold latch between bracing frame and the column top; On column, this curtain is driven and can be launched in the horizontal direction or close up by bracing frame curtain by the support frame as described above support and connection.
The purpose of this utility model can also reach by following measure:
Support frame as described above comprises T type pole support connector and two poles, and described pole support connector upper end symmetria bilateralis is provided with groove, and this pole support connector bottom is provided with the hole; Described two poles are nested in respectively in the pole support connector groove and by in pivot connecting element is between groove area and rotate relative to this pole support connector; Be nested with relatively this pole location lock that slides in axial sliding on described two poles respectively, described slip location lock and rotatable connection of curtain two side levers, curtain is locked in two poles by the location of sliding and goes up slip and horizontal development.
Described slip location lock comprises body, rotary head, rotatable cover and described body is fixed in spring lock on the pole; Described body is the sleeve that is nested on the pole, inboard end of described sleeve and the vertical cannular boss that is convexly equipped with a lateral opening in curtain side lever junction, and this boss upper end is provided with one and the U-shaped groove of boss side surfaces open communication; Described rotary head is made of cambered surface base of fixedlying connected with the curtain side lever and the ladder rotation axis that is nested in the described boss U-lag; Described rotatable cover is set to cooperate with described boss and rotary head rotation axis and realizes that sleeve can relative curtain side lever vertical direction be rotatably connected and fixedly connected with horizontal direction; Described spring lock is set in the body other end, and this spring lock outside is provided with to be used to control slide locatees the spring button of lock slip location.
Described fold latch is made of hinge hinge, slide block and the locking knob that is vertically set on this slide block, and described hinge hinge is arranged between pole support connector lower end side and the column upper end side; Described slide block is nested in the hole of column upper end, column upper end sidewall vertically is provided with a bar shaped closed pockets, locking knob stretches out outside this groove and can slide up and down in this groove, slide block is driven in the hole that can be moved upward to described pole support connector bottom by locking knob, and by screwing locking knob bracing frame is fixedlyed connected with column.
Described pole support connector groove is set to the transverse horizontal axis of both sides above this pole support connector and the fluting in vertical axis interval, makes two poles rotate in 0 of the transverse horizontal axis of both sides and vertical axis interval degree～90 degree scopes above pole support connector respectively.
Described two poles are provided with 4: 3 projection mode and/or 16: 9 projection mode curtain location buckles, and curtain is connected with described buckle by the location lock that slides realizes the location.
Described two poles middle part is provided with fixedly buckle, and curtain is connected with this buckle by the location lock that slides to be realized and two strut fixation.
Described column comprises the post that big column that the lower end is connected with supporting seat and upper end are connected with the pole support connector lower end, the post lower end be nested in the big column and the expansion link mechanism by being arranged on big column upper end can big relatively column flexible up and down at vertical direction.
Described expansion link mechanism is made up of with the flexible pole socket pressure handle that is arranged on flexible pole socket appearance and the pole socket vertical direction of can should stretching is relatively rotated to the flexible pole socket of through hole tape spool, when flexible pole socket pressure handle rotates to horizontal level, thereby the height lifting curtain of scalable post, when flexible pole socket pressure handle rotated to vertical direction, flexible pole socket pressure handle one end face fitted tightly with vertical columns with the shell fragment that is arranged on the flexible pole socket.
Described supporting seat is scalable A-frame.
The utility model has following advantage compared to existing technology: it is simple in structure, easy to operate for this Collapsible rack curtain structure, and the projection screen lifting is easy, is convenient to move and carry, and is safe in utilization.
Description of drawings
Fig. 1 is the utility model curtain opening procedure synoptic diagram.
Fig. 2 is 4: 3 projection mode curtains of the utility model location structure synoptic diagram.
Fig. 3 is 16: 9 projection mode curtains of the utility model location structure synoptic diagram.
Fig. 4 is the utility model curtain rounding state front view.
Fig. 5 is the utility model curtain rounding state side view.
Fig. 6 is the utility model curtain rounding state rear view.
Fig. 7 be the utility model bracing frame by the rotary folding of direction shown in arrow certain angle among Fig. 5 after structural representation.
Fig. 8 is that the utility model bracing frame draws the back structural representation in by the 180 degree backs of the rotary folding of direction shown in the arrow among Fig. 5 and with supporting base.
Fig. 9 is the utility model fold latch STRUCTURE DECOMPOSITION synoptic diagram.
Figure 10 is the utility model telescoping mechanism external structure synoptic diagram.
Figure 11 is the utility model telescoping mechanism STRUCTURE DECOMPOSITION synoptic diagram.
Figure 12 is the utility model slip location lock construction decomposing schematic representation.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, shown in Figure 9, this Collapsible rack curtain structure that the utility model provides, but curtain 106 and collapsible bracing frame 103 that hollow pillar stand 102 levels that comprise supporting seat 101, are connected with supporting seat 101 are flexible, bracing frame 103 and column 102 tops can vertical Rotate 180 degree be connected and fixedly connected by being arranged on fold latch 104 between bracing frame 103 and column 102 tops; On column 102, this curtain 106 is driven and can be launched in the horizontal direction or close up by bracing frame 103 curtain 106 curtains by bracing frame 103 support and connection.
In the present embodiment, supporting seat is scalable A-frame; Bracing frame 103 comprises T type pole support connector 1032 and two poles 1031, and pole support connector 1032 upper end symmetria bilateralis are provided with groove, and these pole support connector 1032 bottoms are provided with the hole; Two poles 1031 are nested in respectively in pole support connector 1032 grooves and by rotating relative to this pole support connector 1032 in pivot connecting element is between groove area; In the present embodiment, pole support connector 1032 grooves are set to the transverse horizontal axis of both sides above this pole support connector 1032 and the fluting in vertical axis interval, make two poles 1031 rotate in 0 of the transverse horizontal axis of both sides and vertical axis interval degree～90 degree scopes above pole support connector 1032 respectively, this pivot connecting element is a screw.Be nested with relatively this pole 1031 location lock 105 that slides in axial sliding on two poles 1031 respectively, slide location lock 105 and 1061 rotatable connections of 106 liang of side levers of curtain, curtain 106 is by location lock 105 slip and the horizontal development on two poles 1031 of sliding.
In a further embodiment, two poles 1031 are provided with 4: 3 projection mode and 16: 9 projection mode curtain 106 location buckles, curtain 106 is connected realization by the location lock 105 that slides with this buckle locatees, and curtain 106 can be realized 4: 3 projection mode and 16: 9 projection mode respectively.Two poles, 1031 middle parts are provided with fixedly buckle, after being convenient to curtain 106 and drawing in, are connected realization curtain 106 by the location lock 105 that slides with this buckle and are fixed on two poles 1031.
As shown in figure 12, the location lock 105 that slides comprises body 1053, rotary head 1056, rotatable cover 1052 and body 1053 is fixed in spring lock on pole 1031 buckles; Body 1053 is the sleeve that is nested on the pole 1031, inboard end of sleeve and the vertical cannular boss 1058 that is convexly equipped with a lateral opening in curtain 106 side levers 1061 junctions, and these boss 1058 upper ends are provided with a U-shaped groove that is communicated with boss 1058 lateral openings; Rotary head 1056 is made of cambered surface base of fixedlying connected with curtain 106 side levers 1061 and the ladder rotation axis that is nested in the boss 1058U shape groove; Rotatable cover 1052 is set to cooperate with boss 1058 and rotary head 1056 rotation axiss and realizes that sleeve can relative curtain 106 side levers 1061 vertical direction be rotatably connected and fixedly connected with horizontal direction; Spring lock is set in body 1053 other ends, and this spring lock outside is provided with to be used to control slide locatees the spring button 1051 of lock 105 slip location.Be embodied as: spring lock is made of the navigation button 1054 and the spring button 1051 that are nested in web member 1057 on the body 1053, are symmetricly set on web member 1057 about both sides respectively, web member 1057 two sides are interval with three through holes successively, and the hole of the through hole in the middle of it web member 1057 is connected the back and is arranged on body 1053 with body 1053 on is communicated with; Navigation button 1054 inboard two ends are respectively equipped with a leg, and the centre is provided with a location boss, and 1054 liang of legs of navigation button and positioning boss are nested in three holes of web member 1057 from web member 1057 inboard correspondences respectively; Leg place, spring button 1051 inboard relative positioning button 1054 two ends is provided with a leg respectively, be provided with spring 1055 in the middle of the spring button 1051,1051 liang of legs of spring button and spring 1055 are nested in three holes of web member 1057 from web member 1057 outside correspondences respectively, by screw with navigation button 1054, spring button 1051 is connected with web member 1057, press before the spring button 1051, because the acting force of spring 1055, positioning boss in the middle of the navigation button 1054 withstand on 1031 of the poles, because the effect of friction force, the location lock 105 that slides can not slide on pole 1031, after pressing spring button 1051, spring button 1051 outwards ejects navigation button 1054, positioning boss in the middle of the navigation button 1054 breaks away from pole 1031 surfaces, the location lock 105 that slides can slidably reciprocate on pole 1031, when the location lock 105 that slides slides into curtain 106 location snapped-in position on the pole 1031, this moment, the trip spring button 1051, then the positioning boss in the middle of the navigation button 1054 just are fastened under spring 1055 pulling force effects in the location buckle on the pole 1031, realize curtain 106 location.
In the present embodiment, as shown in Figure 9, fold latch 104 is made of hinge hinge 1041, slide block 1043 and the locking knob 1042 that is vertically set on this slide block 1043, hinge hinge 1041 is arranged between pole support connector 1032 lower end side and column 102 upper end side, hinge hinge 1041 by first rotation seat 10411 that is oppositely arranged and second rotation seat 10412 and be nested in first rotation seat 10411 and second rotation seat 10412 between rotation axis 10413 constitute; Slide block 1043 is nested in the hole of column 102 upper ends, column 102 upper end sidewalls vertically are provided with a bar shaped closed pockets, locking knob 1042 stretches out outside this strip groove and can slide up and down in this groove, slide block is driven by locking knob 1042 and can be moved upward in the hole of pole support connector 1032 bottoms, and by screwing locking knob 1042 bracing frame 103 is fixedlyed connected with column 102.
In a further embodiment, column 102 comprises the post 1022 that big column 1021 that the lower end is connected with supporting seat 101 and upper end are connected with pole support connector 1032 lower ends, post 1022 lower ends be nested in the big column 1021 and the expansion link mechanism 107 by being arranged on big column 1021 upper ends can big relatively column 1021 flexible up and down at vertical direction.As Fig. 7, shown in Figure 8, expansion link mechanism 107 is made up of with the flexible pole socket pressure handle 1071 that is arranged on flexible pole socket 1072 appearances and pole socket 1072 vertical direction of can should stretching are relatively rotated to the flexible pole socket 1072 of through hole tape spool, when flexible pole socket pressure handle 1071 rotates to horizontal level, thereby the height lifting curtain 106 of scalable post 1022, when flexible pole socket pressure handle 1071 rotated to vertical direction, flexible pole socket pressure handle 1,071 one end faces fitted tightly with vertical columns 102 with the shell fragment that is arranged on the flexible pole socket 1072.
When needs use curtain 107, supporting seat 101 opened with column 102 stand on the ground, as shown in Figure 1, then bracing frame 103 being rotated up 180 along the hinge hinge 1041 of fold latch 104 spends to vertical direction and places, upwards stir locking knob 1042 by the direction of arrow shown in Figure 7, slide block 1043 is inserted in the hole of bracing frame 103 pole support connectors 1032 lower ends, screwing locking knob 1042 makes bracing frame 103 fixedly connected with column 102, pin the spring button 1051 on the location lock 105 that slides then, the location lock 105 of slide sliding is opened bracing frame 103 2 poles 1031 respectively to both sides, making two poles 1031 be revolved to turn 90 degrees until horizontal level by the outside separately reverse direction of vertical position supports curtain 106, in two poles, 1031 rotary courses, curtain 106 remains vertical state, and is slowly opened by the location lock 105 drive along continuous straight runs that slide.Then, continue the location lock 105 that slides, curtain 106 along continuous straight runs are opened to desired location, present embodiment can satisfy the projection mode of two kinds of standard formats simultaneously, promptly 4: 3 projection mode and 16: 9 projection mode respectively as Fig. 2, shown in Figure 3, are unclamped location lock 105 spring buttons 1051 that slide then, the location lock 105 curtain locator cards that are buckled on two poles 1031 that slide are buckled, thereby curtain 106 is fixed on the bracing frame 103.After launching, curtain 106 can use curtain 106 playing lantern slides.In addition, also can regulate the lifting of curtain 106 as required, to determine the height of curtain 106 by the telescoping mechanism on the column 107.
After curtain 106 is finished using, pin the spring button 1051 on the location lock 105 that slides, the location lock 105 of slide sliding inwards draws curtain 106 along continuous straight runs in, and bracing frame 103 2 poles 1031 are revolved respectively inwards turn 90 degrees, make two poles 1031 become vertical direction and close up by horizontal direction, because curtain 106 automatically retractables, curtain 106 draws in along with closing up of bracing frame 103 2 poles 1031 under the drive of the location lock 105 that slides, and puts down location lock 105 spring buttons 1051 that slide then.Then, unscrew locking knob 1042, and stir locking knob 1042 downwards along the direction of arrow shown in Figure 7 and make slide block 1043 break away from pole support connectors 1032, this moment is according to the direction of arrow shown in Figure 5, the bracing frame 103 that is connected with curtain 106 is folded up along hinge hinge 1041 Rotate 180 degree, and the folding back of Collapsible rack curtain state so just can easily be placed this screen support frame as shown in Figure 8, do not take up space, and easy to carry.
The above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.
Claims (10)
1. Collapsible rack curtain structure, but comprise the curtain that supporting seat, the hollow pillar stand that is connected with supporting seat and level are flexible, it is characterized in that: also comprise collapsible bracing frame, support frame as described above and described column top can vertical Rotate 180 degree be connected and fixedly connected by being arranged on fold latch between bracing frame and the column top; On column, this curtain is driven and can be launched in the horizontal direction or close up by bracing frame curtain by the support frame as described above support and connection.
2. according to the described Collapsible rack curtain structure of claim 1, it is characterized in that: support frame as described above comprises T type pole support connector and two poles, and described pole support connector upper end symmetria bilateralis is provided with groove, and this bottom, pole support connector lower end is provided with the hole; Described two poles are nested in respectively in the pole support connector groove and by in pivot connecting element is between groove area and rotate relative to this pole support connector; Be nested with relatively this pole location lock that slides in axial sliding on described two poles respectively, described slip location lock and rotatable connection of curtain two side levers, curtain is locked in two poles by the location of sliding and goes up slip and horizontal development.
3. according to the described Collapsible rack curtain structure of claim 2, it is characterized in that: described slip location lock comprises body, rotary head, rotatable cover and described body is fixed in spring lock on the pole; Described body is the sleeve that is nested on the pole, inboard end of described sleeve and the vertical cannular boss that is convexly equipped with a lateral opening in curtain side lever junction, and this boss upper end is provided with one and the U-shaped groove of boss side surfaces open communication; Described rotary head is made of cambered surface base of fixedlying connected with the curtain side lever and the ladder rotation axis that is nested in the described boss U-lag; Described rotatable cover is set to cooperate with described boss and rotary head rotation axis and realizes that sleeve can relative curtain side lever vertical direction be rotatably connected and fixedly connected with horizontal direction; Described spring lock is set in the body other end, and this spring lock outside is provided with to be used to control slide locatees the spring button of lock slip location.
4. according to the described Collapsible rack curtain structure of claim 2, it is characterized in that: described fold latch is made of hinge hinge, slide block and the locking knob that is vertically set on this slide block, and described hinge hinge is arranged between pole support connector lower end side and the column upper end side; Described slide block is nested in the hole of column upper end, column upper end sidewall vertically is provided with a bar shaped closed pockets, locking knob stretches out outside this groove and can slide up and down in this groove, slide block is driven in the hole that can be moved upward to described pole support connector bottom by locking knob, and by screwing locking knob bracing frame is fixedlyed connected with column.
5. Collapsible rack curtain structure according to claim 2, it is characterized in that: described pole support connector groove is set to the transverse horizontal axis of both sides above this pole support connector and the fluting in vertical axis interval, makes two poles rotate in 0 of the transverse horizontal axis of both sides and vertical axis interval degree～90 degree scopes above pole support connector respectively.
6. Collapsible rack curtain structure according to claim 2 is characterized in that: described two poles are provided with 4:3 projection mode and/or 16:9 projection mode curtain location buckle, and curtain is connected with described buckle by the location lock that slides realizes the location.
7. Collapsible rack curtain structure according to claim 2 is characterized in that: described two poles middle part is provided with fixedly buckle, and curtain is connected with this buckle by the location lock that slides to be realized and two strut fixation.
8. according to the described Collapsible rack curtain structure of claim 1, it is characterized in that: described column comprises the post that big column that the lower end is connected with supporting seat and upper end are connected with the pole support connector lower end, the post lower end be nested in the big column and the expansion link mechanism by being arranged on big column upper end can big relatively column flexible up and down at vertical direction.
9. according to the described Collapsible rack curtain structure of claim 6, it is characterized in that: described expansion link mechanism is made up of with the flexible pole socket pressure handle that is arranged on flexible pole socket appearance and the pole socket vertical direction of can should stretching is relatively rotated to the flexible pole socket of through hole tape spool, when flexible pole socket pressure handle rotates to horizontal level, thereby the height lifting curtain of scalable post, when flexible pole socket pressure handle rotated to vertical direction, flexible pole socket pressure handle one end face fitted tightly with vertical columns with the shell fragment that is arranged on the flexible pole socket.
10. according to the described Collapsible rack curtain structure of claim 1, it is characterized in that: described supporting seat is scalable A-frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920204388 CN201438255U (en) | 2009-09-08 | 2009-09-08 | Screen structure with foldable support bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920204388 CN201438255U (en) | 2009-09-08 | 2009-09-08 | Screen structure with foldable support bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201438255U true CN201438255U (en) | 2010-04-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920204388 Expired - Fee Related CN201438255U (en) | 2009-09-08 | 2009-09-08 | Screen structure with foldable support bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201438255U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243429A (en) * | 2011-06-16 | 2011-11-16 | 中国科学院福建物质结构研究所 | Portable screen of micro projector |
| CN102809886A (en) * | 2011-05-30 | 2012-12-05 | 宏碁股份有限公司 | Portable projection curtain |
| CN103791210A (en) * | 2014-02-13 | 2014-05-14 | 江苏红叶视听器材股份有限公司 | Positioning device based on projection support |
| CN106088545A (en) * | 2016-06-14 | 2016-11-09 | 广西大学 | The collapsible wall painting machine that a kind of height of whitewashing a wall can adjust rapidly |
| CN107329357A (en) * | 2017-07-25 | 2017-11-07 | 张家港宝视特影视器材有限公司 | Fast folding curtain support |
| CN107367896A (en) * | 2017-07-25 | 2017-11-21 | 张家港宝视特影视器材有限公司 | Fast Installation folding portable curtain support |
| CN107885024A (en) * | 2017-12-16 | 2018-04-06 | 广西特致文化传播有限公司 | A kind of exhibitions curtain |
| CN108663891A (en) * | 2018-07-13 | 2018-10-16 | 苏州虎皇建设发展有限公司 | A kind of biotechnology garden exhibition room multimedium showing device |
| CN108761988A (en) * | 2018-06-14 | 2018-11-06 | 王小艳 | A kind of projector apparatus of portable |
| CN113009767A (en) * | 2021-02-26 | 2021-06-22 | 桐城市湃腾机械设计有限公司 | Collapsible projection curtain |
-
2009
- 2009-09-08 CN CN 200920204388 patent/CN201438255U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809886A (en) * | 2011-05-30 | 2012-12-05 | 宏碁股份有限公司 | Portable projection curtain |
| CN102243429A (en) * | 2011-06-16 | 2011-11-16 | 中国科学院福建物质结构研究所 | Portable screen of micro projector |
| CN103791210A (en) * | 2014-02-13 | 2014-05-14 | 江苏红叶视听器材股份有限公司 | Positioning device based on projection support |
| CN106088545A (en) * | 2016-06-14 | 2016-11-09 | 广西大学 | The collapsible wall painting machine that a kind of height of whitewashing a wall can adjust rapidly |
| CN107329357A (en) * | 2017-07-25 | 2017-11-07 | 张家港宝视特影视器材有限公司 | Fast folding curtain support |
| CN107367896A (en) * | 2017-07-25 | 2017-11-21 | 张家港宝视特影视器材有限公司 | Fast Installation folding portable curtain support |
| CN107885024A (en) * | 2017-12-16 | 2018-04-06 | 广西特致文化传播有限公司 | A kind of exhibitions curtain |
| CN108761988A (en) * | 2018-06-14 | 2018-11-06 | 王小艳 | A kind of projector apparatus of portable |
| CN108663891A (en) * | 2018-07-13 | 2018-10-16 | 苏州虎皇建设发展有限公司 | A kind of biotechnology garden exhibition room multimedium showing device |
| CN108663891B (en) * | 2018-07-13 | 2024-03-08 | 江苏大千虎皇集团有限公司 | Multimedia display device for biotechnology garden exhibition hall |
| CN113009767A (en) * | 2021-02-26 | 2021-06-22 | 桐城市湃腾机械设计有限公司 | Collapsible projection curtain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100414 Termination date: 20140908 |
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| EXPY | Termination of patent right or utility model |