CN111308847A - Movie & TV advertisement curtain installation placement machine constructs convenient to switch curtain - Google Patents
Movie & TV advertisement curtain installation placement machine constructs convenient to switch curtain Download PDFInfo
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- CN111308847A CN111308847A CN201911287056.9A CN201911287056A CN111308847A CN 111308847 A CN111308847 A CN 111308847A CN 201911287056 A CN201911287056 A CN 201911287056A CN 111308847 A CN111308847 A CN 111308847A
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- loop bar
- fixed loop
- curtain
- threaded rod
- groove
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
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- General Physics & Mathematics (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention discloses a movie and television advertisement curtain installation and placement mechanism convenient for curtain switching, which comprises a left support plate, an electric push rod and a bead chain, wherein a first threaded rod is installed on an inner bearing of the left support plate, a second threaded rod is arranged on the rear side of the first threaded rod, rotating gears are respectively connected with the outer sides of the second threaded rod and the first threaded rod in a key mode, a placement plate is fixed on the right side above the left support plate, a first fixed loop bar is arranged below the left end of the placement plate, the left end bearing of the first fixed loop bar is connected with the left support plate, and a second fixed loop bar is arranged on the rear side of the first fixed loop bar. This movie & TV advertisement curtain installation placement mechanism convenient to switch curtain is convenient for drive first fixed loop bar and the fixed loop bar of second or the fixed loop bar of second and the fixed loop bar of third simultaneously and rotate for roller curtain is accomodate to a curtain and the roller is accomodate and is put curtain work, and roller curtain is accomodate to a curtain carries out rolling curtain work.
Description
Technical Field
The invention relates to the technical field of film and television advertisements, in particular to a film and television advertisement curtain installation and placement mechanism convenient for curtain switching.
Background
Movie & TV advertisement is one of the multiple mode in the advertisement propagation that propagates through the image, and different backdrop need be used to movie & TV advertisement in the in-process of making, consequently need install and place the use to the curtain, although the movie & TV advertisement curtain installation of present market place the mechanism a lot of kind, still have some weak points, for example:
1. when the traditional film and television advertisement curtain mounting and placing mechanism is used for various different curtains, if the various curtains need to be switched for use, one curtain needs to be wound up and the other curtain needs to be put down, and the processes cannot be operated synchronously, so that the operation is troublesome and complicated, and the curtain is inconvenient to use;
2. the installation stability between the curtain winding roller and the whole installation and placement mechanism is poor, and the curtain winding roller is easy to deviate or incline during later rotary winding and unwinding;
we have therefore proposed a video advertising curtain mounting and placing mechanism that facilitates switching curtains so as to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a mounting and placing mechanism for a film and television advertisement curtain, which is convenient for switching curtains, and solves the problems that the traditional curtain mounting and placing mechanism in the market is inconvenient for switching multiple curtains and has poor mounting stability in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a movie and television advertisement curtain installation and placement mechanism convenient for curtain switching comprises a left support plate, an electric push rod and a bead chain, wherein a first threaded rod is installed on an inner bearing of the left support plate, a second threaded rod is arranged on the rear side of the first threaded rod, a rotating gear is connected with the outer sides of the second threaded rod and the first threaded rod in a key connection mode, a placement plate is fixed on the right side of the upper portion of the left support plate, a first fixed loop bar is arranged below the left end of the placement plate, a left support plate is connected with the left end bearing of the first fixed loop bar, a second fixed loop bar is arranged on the rear side of the first fixed loop bar, a third fixed loop bar is arranged on the rear side of the second fixed loop bar, curtain storage rollers are connected with the insides of the right ends of the first fixed loop bar, the second fixed loop bar and the third fixed loop bar, a curtain storage roller is arranged on the outer side of the middle of the curtain storage rollers, and a right support plate is installed on the right, and the second is led to the groove and has been seted up to the top of right branch fagging inside, the internally mounted that the groove is led to the second has electric putter, and electric putter's top is fixed with outer fixed ring board to first mounting groove has been seted up to the inside of outer fixed ring board, the internally mounted of first mounting groove has the ball, and the top outside of ball is provided with the second mounting groove, and the interior fixed ring board is installed in the outside of second mounting groove, outer fixed ring board is installed to the below of interior fixed ring board, the outside of first fixed loop bar and third fixed loop bar all is fixed with the pearl dish, and the outside of pearl dish is connected with the pearl chain.
Preferably, a first groove is formed in the left side face of the lower portion of the left supporting plate, a second groove is formed in the right side face of the upper portion of the left supporting plate, and the height of the first groove is smaller than that of the second groove.
Preferably, the outside screw thread in top of first threaded rod is connected with first horizontal pole, and the right-hand member outside bearing of first horizontal pole is connected with first drive gear to first horizontal pole constitutes elevation structure through first threaded rod and left branch fagging.
Preferably, the outer side of the upper part of the second threaded rod is in threaded connection with a second cross rod, a bearing at the outer side of the right end of the second cross rod is connected with a second transmission gear, and a space exists between the second transmission gear and the first transmission gear.
Preferably, the outside key-type connection of first fixed loop bar has first swing pinion, and the draw-in groove has been seted up to the right-hand member inside wall equidistant of first fixed loop bar to first fixed loop bar, the fixed loop bar of second and the fixed loop bar three's of third overall dimension is the same.
Preferably, the placing plate is provided with placing grooves at equal intervals inside, a first through groove is formed below the placing grooves, and the space inside the placing grooves is communicated with the space inside the first through groove.
Preferably, the left end outside equidistant installation of roller is accomodate to the curtain has the lug, and the right-hand member outside of roller is accomodate to the curtain installs the limiting plate to lug and draw-in groove are the one-to-one setting.
Preferably, the outer side key of the second fixed loop bar is connected with a second rotating gear, and a space exists between the second rotating gear and the first rotating gear.
Preferably, the outer side of the third fixed loop bar is connected with a third rotating gear in a key mode, and the transverse center line of the third rotating gear and the transverse center line of the first rotating gear are on the same straight line.
Compared with the prior art, the invention has the beneficial effects that: the movie advertisement curtain installation and placement mechanism is convenient for switching curtains;
(1) the curtain storage roller is provided with a first fixed loop bar, a second fixed loop bar and a third fixed loop bar, three different curtains are convenient to install and place through the arrangement of the first fixed loop bar, the second fixed loop bar and the third fixed loop bar, the second threaded rod is driven to reversely rotate through the rotation of the first threaded rod, so that the first threaded rod and the second threaded rod can simultaneously adjust the height positions of the first transmission gear and the second transmission gear, the second transmission gear is meshed and connected with the first rotating gear and the second rotating gear through the meshing connection between the first transmission gear and the first rotating gear, the second transmission gear is meshed and connected with the second rotating gear and the third rotating gear, the first fixed loop bar and the second fixed loop bar or the second fixed loop bar and the third fixed loop bar are convenient to simultaneously drive the two curtain storage rollers to rotate, and one curtain storage roller is enabled to carry out the curtain storage work, one curtain accommodating roller is used for rolling the curtain, so that the operation is simple and rapid;
(2) install outer fixed ring board, the cooperation through outer fixed ring board and interior fixed ring board is convenient for install the ball outside fixed ring board and interior fixed ring inboard, and the roller contact is accomodate with the curtain to the ball of being convenient for from this, and the rotation of roller is accomodate to the later stage curtain of being convenient for, through outer fixed ring board to blockking of limiting plate simultaneously, is convenient for improve the stability of limiting plate and the installation of first fixed loop bar, the split work in the later stage of also being convenient for.
Drawings
FIG. 1 is a schematic main sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is a right side view of the first threaded rod of the present invention;
FIG. 5 is a right sectional view of the first fixed loop bar and the curtain take-in roller of the present invention;
FIG. 6 is a right sectional view of the outer retainer plate according to the present invention;
FIG. 7 is a schematic diagram of a right view of the bead plate according to the present invention;
FIG. 8 is a right side view of the first rotating gear and the first transmission gear in accordance with the present invention;
FIG. 9 is a schematic right sectional view at C-C in FIG. 1 according to the present invention.
In the figure: 1. a left support plate; 101. a first groove; 102. a second groove; 2. a first threaded rod; 201. a first cross bar; 202. a first drive gear; 3. a rotating gear; 4. a second threaded rod; 401. a second cross bar; 402. a second transmission gear; 5. a first fixed loop bar; 51. a first rotating gear; 52. a card slot; 6. placing the plate; 61. a placement groove; 62. a first through groove; 7. a bead plate; 8. a curtain take-in roller; 81. a bump; 82. a limiting plate; 9. a right support plate; 10. a second through groove; 11. an electric push rod; 12. an outer stationary ring plate; 13. an inner fixed ring plate; 14. a ball bearing; 15. a first mounting groove; 16. a second mounting groove; 17. a second fixed loop bar; 171. a second rotating gear; 18. a third fixed loop bar; 181. a third rotating gear; 19. a bead chain.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a movie and television advertising curtain installation and placement mechanism convenient for curtain switching comprises a left support plate 1, a first threaded rod 2, a rotating gear 3, a second threaded rod 4, a first fixed loop bar 5, a placement plate 6, a bead disk 7, a curtain storage roller 8, a right support plate 9, a second through groove 10, an electric push rod 11, an outer fixed loop plate 12, an inner fixed loop plate 13, a ball 14, a first installation groove 15, a second installation groove 16, a second fixed loop bar 17, a third fixed loop bar 18 and a bead chain 19, wherein the first threaded rod 2 is installed on the inner bearing of the left support plate 1, the second threaded rod 4 is arranged on the rear side of the first threaded rod 2, the rotating gear 3 is in key connection with the outer sides of the second threaded rod 4 and the first threaded rod 2, the placement plate 6 is fixed on the right side above the left support plate 1, the first fixed loop bar 5 is arranged below the left end of the placement plate 6, and the left end bearing of the first fixed loop bar 5 is connected with the left support plate 1, a second fixed loop bar 17 is arranged at the rear side of the first fixed loop bar 5, a third fixed loop bar 18 is arranged at the rear side of the second fixed loop bar 17, a curtain accommodating roller 8 is connected with the inside of the right ends of the first fixed loop bar 5, the second fixed loop bar 17 and the third fixed loop bar 18, a placing plate 6 is arranged at the outer side of the middle of the curtain accommodating roller 8, a right supporting plate 9 is arranged at the right end of the placing plate 6, a second through groove 10 is arranged inside the upper part of the right supporting plate 9, an electric push rod 11 is arranged inside the second through groove 10, an outer fixed loop plate 12 is fixed at the top end of the electric push rod 11, a first installing groove 15 is arranged inside the outer fixed loop plate 12, a ball 14 is arranged inside the first installing groove 15, a second installing groove 16 is arranged outside the upper part of the ball 14, an inner fixed loop plate 13 is arranged outside the second installing groove 16, an outer fixed loop plate 12 is arranged below the inner fixed loop plate 13, the outer sides of the first fixed loop bar 5 and the third fixed loop bar 18 are both fixed with a bead disk 7, and the outer side of the bead disk 7 is connected with a bead chain 19;
a first groove 101 is formed in the left side face below the left support plate 1, a second groove 102 is formed in the right side face above the left support plate 1, and the height of the first groove 101 is smaller than that of the second groove 102, so that the second groove 102 can conveniently mount and place the first threaded rod 2;
a first cross rod 201 is connected to the outer side of the upper portion of the first threaded rod 2 in a threaded manner, a first transmission gear 202 is connected to the outer side of the right end of the first cross rod 201 in a bearing manner, and the first cross rod 201 and the left support plate 1 form a lifting structure through the first threaded rod 2, so that the first cross rod 201 adjusts the height position of the first transmission gear 202 through the first threaded rod 2;
a second cross rod 401 is in threaded connection with the outer side of the upper part of the second threaded rod 4, a second transmission gear 402 is in bearing connection with the outer side of the right end of the second cross rod 401, and a space exists between the second transmission gear 402 and the first transmission gear 202, so that the second cross rod 401 can adjust the height position of the second transmission gear 402 through the second threaded rod 4;
the outer side of the first fixed loop bar 5 is in key connection with a first rotating gear 51, the inner side wall of the right end of the first fixed loop bar 5 is provided with clamping grooves 52 at equal intervals, and the first fixed loop bar 5, the second fixed loop bar 17 and the third fixed loop bar 18 are the same in external dimension, so that the first fixed loop bar 5 is in meshed connection with the first transmission gear 202 through the first rotating gear 51 to drive the second fixed loop bar 17 to rotate synchronously;
placing grooves 61 are formed in the placing plate 6 at equal intervals, a first through groove 62 is formed below the placing grooves 61, and the space in the placing grooves 61 is communicated with the space in the first through groove 62, so that the placing grooves 61 in the placing plate 6 place the curtain storage rollers 8;
the outer sides of the left ends of the curtain accommodating rollers 8 are provided with the convex blocks 81 at equal intervals, the outer sides of the right ends of the curtain accommodating rollers 8 are provided with the limiting plates 82, and the convex blocks 81 and the clamping grooves 52 are arranged in a one-to-one correspondence manner, so that the first fixed loop bars 5 drive the curtain accommodating rollers 8 to rotate when rotating through the arrangement of the convex blocks 81 and the clamping grooves 52;
the outer side key of the second fixed loop bar 17 is connected with a second rotating gear 171, and a space exists between the second rotating gear 171 and the first rotating gear 51, so that the second fixed loop bar 17 is driven to rotate by the rotation of the second rotating gear 171;
the outer side of the third fixed loop bar 18 is connected with a third rotating gear 181, and the transverse center line of the third rotating gear 181 and the transverse center line of the first rotating gear 51 are in the same straight line, so that the third rotating gear 181 drives the third fixed loop bar 18 to rotate.
The working principle of the embodiment is as follows: when the installation and placement mechanism of the film and television advertising curtain convenient for switching curtains is used, firstly, as shown in the attached figure 1, the whole installation and placement mechanism is horizontally placed, then, as shown in FIG. 1 and FIG. 9, the left end of the curtain take-in roller 8 with different curtains wound on the outside is inserted into the corresponding placing groove 61 of the placing plate 6 through the second through groove 10 inside the right supporting plate 9, and the bottom end of the curtain is pulled out from the first through groove 62, then the convex block 81 at the outer side of the left end of the curtain take-in roller 8 is inserted into the slot 52 in the hollow structure at the right end of the first fixed loop bar 5, as shown in the attached figures 2 and 5, thereby facilitating the installation of the first fixed loop bar 5 and the curtain take-in roller 8 through the clamping connection of the convex block 81 and the clamping groove 52, then, as described above, the other curtain take-in rollers 8 are mounted on the second fixed loop bar 17 and the third fixed loop bar 18;
then, the electric push rod 11 is started to make the electric push rod 11 drive the outer fixed ring plate 12 to rise, at this time, as shown in fig. 3 and fig. 6, when the outer fixed ring plate 12 rises to the inner side wall of the ball 14 and contacts with the curtain receiving roller 8, the electric push rod 11 stops working, then, the outer fixed ring plate 12 shields the limit plate 82 to prevent the curtain receiving roller 8 from moving to the right and separating from the first fixed loop bar 5, thereby maintaining the installation stability of the curtain receiving roller 8, at the same time, through the arrangement of the ball 14, the friction force after the later rotation of the curtain receiving roller 8 is convenient to reduce, the later stable rotation of the curtain receiving roller 8 is convenient, then, the whole installation and placement mechanism is vertically placed, at this time, the curtain on the curtain receiving roller 8 in the first fixed loop bar 5 is in a laid down state, then, the curtain can be used, when the curtain needs to be replaced in the using process, at this time, as shown in fig. 1 and fig. 7-8, the ball chain 19 on the ball tray 7 outside the first fixed loop bar 5 is manually pulled, so that the ball chain 19 drives the ball tray 7 to rotate when being pulled, thereby the ball tray 7 drives the first fixed loop bar 5 with the inner key connection to rotate, so that the first fixed loop bar 5 drives the curtain accommodating roller 8 inside the right end to rotate to accommodate the curtain wound outside, meanwhile, as shown in fig. 1 and fig. 8, the first fixed loop bar 5 drives the first rotating gear 51 with the outer key connection to rotate when rotating, so that the first rotating gear 51 drives the first driving gear 202 connected with the lower mesh to rotate outside the first cross bar 201, the first driving gear 202 is connected with the first cross bar 201 as a bearing, the first driving gear 202 drives the second rotating gear 171 connected with the mesh to rotate when rotating, in a similar way, the second rotating gear 171 drives the second fixed loop bar 17 connected with the internal keys to rotate, so that the second fixed loop bar 17 drives the first fixed loop bar 5 inside the right side to rotate, the curtains wound on the outer side of the first fixed loop bar 5 descend, one curtain is wound synchronously, the other curtain is put down, and the operation is simple;
when switching is required, as shown in fig. 1 and fig. 4, the first threaded rod 2 in the first groove 101 is manually rotated, the first threaded rod 2 drives the first cross rod 201 in the outer threaded connection to descend when rotating, at this time, the limit block on the left side of the first cross rod 201 slides in the limit groove, so as to ensure that the first cross rod 201 stably descends, so that the first transmission gear 202 on the outer side of the first cross rod 201 is separated from the first rotating gear 51 and the second rotating gear 171, and at the same time, the first threaded rod 2 drives the second threaded rod 4 to reversely rotate under the action of the rotating gear 3, so that the second threaded rod 4 drives the second cross rod 401 in the outer threaded connection to move upwards when rotating, so that the second cross rod 401 drives the second transmission gear 402 to be meshed with the second rotating gear 171 and the third rotating gear 181, and then, as shown above, in the same way, the bead chains 19 on the bead disk 7 outside the third fixed loop bar 18 can be rotated manually to drive the second fixed loop bar 17 and the third fixed loop bar 18 to rotate, so as to switch the curtain again, and the operation is simple and fast, thereby completing a series of works.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a movie & TV advertisement curtain installation placement machine constructs convenient to switch curtain, includes left support plate (1), electric putter (11) and pearl chain (19), its characterized in that: a first threaded rod (2) is mounted on an inner bearing of the left support plate (1), a second threaded rod (4) is arranged on the rear side of the first threaded rod (2), the outer sides of the second threaded rod (4) and the first threaded rod (2) are connected with a rotating gear (3) in a key mode, a placing plate (6) is fixed on the right side of the upper portion of the left support plate (1), a first fixed loop bar (5) is arranged below the left end of the placing plate (6), the left end bearing of the first fixed loop bar (5) is connected with the left support plate (1), a second fixed loop bar (17) is arranged on the rear side of the first fixed loop bar (5), a third fixed loop bar (18) is arranged on the rear side of the second fixed loop bar (17), and a curtain cloth accommodating roller (8) is connected to the inner portions of the right ends of the first fixed loop bar (5), the second fixed loop bar (17) and the third fixed loop bar (18), the outer side of the middle of the curtain accommodating roller (8) is provided with a placing plate (6), the right end of the placing plate (6) is provided with a right supporting plate (9), a second through groove (10) is formed in the upper portion of the right supporting plate (9), an electric push rod (11) is arranged in the second through groove (10), an outer fixing ring plate (12) is fixed to the top end of the electric push rod (11), a first mounting groove (15) is formed in the outer fixing ring plate (12), a ball (14) is arranged in the first mounting groove (15), a second mounting groove (16) is formed in the outer side of the upper portion of the ball (14), an inner fixing ring plate (13) is arranged on the outer side of the second mounting groove (16), the outer fixing ring plate (12) is arranged below the inner fixing ring plate (13), and ball discs (7) are fixed to the outer sides of the first fixing sleeve rod (5) and the third fixing sleeve rod (18), and the outer side of the bead disk (7) is connected with a bead chain (19).
2. A movie advertisement curtain installation and placement mechanism facilitating switching of curtains as defined in claim 1, wherein: a first groove (101) is formed in the left side face of the lower portion of the left supporting plate (1), a second groove (102) is formed in the right side face of the upper portion of the left supporting plate (1), and the height of the first groove (101) is smaller than that of the second groove (102).
3. A movie advertisement curtain installation and placement mechanism facilitating switching of curtains as defined in claim 1, wherein: the top outside threaded connection of first threaded rod (2) has first horizontal pole (201), and the right-hand member outside bearing of first horizontal pole (201) is connected with first transmission gear (202) to first horizontal pole (201) constitute elevation structure through first threaded rod (2) and left branch fagging (1).
4. A movie advertisement curtain installation and placement mechanism facilitating switching curtains as defined in claim 3, wherein: the outer side of the upper portion of the second threaded rod (4) is in threaded connection with a second cross rod (401), a bearing on the outer side of the right end of the second cross rod (401) is connected with a second transmission gear (402), and a space exists between the second transmission gear (402) and the first transmission gear (202).
5. A movie advertisement curtain installation and placement mechanism facilitating switching of curtains as defined in claim 1, wherein: the outside key-type of first fixed loop bar (5) has first rotating gear (51), and draw-in groove (52) have been seted up to the right-hand member inside wall of first fixed loop bar (5) equidistant to first fixed loop bar (5), the external dimension of second fixed loop bar (17) and third fixed loop bar (18) three is the same.
6. A movie advertisement curtain installation and placement mechanism facilitating switching of curtains as defined in claim 1, wherein: the placing plate (6) is provided with placing grooves (61) at equal intervals, first through grooves (62) are formed below the placing grooves (61), and the space inside the placing grooves (61) is communicated with the space inside the first through grooves (62).
7. A movie advertisement curtain installation and placement mechanism facilitating switching of curtains as defined in claim 5, wherein: lug (81) are installed to the left end outside equidistant of roller (8) is accomodate to the curtain, and limiting plate (82) are installed in the right-hand member outside of roller (8) is accomodate to the curtain to lug (81) and draw-in groove (52) are the one-to-one setting.
8. A movie advertisement curtain installation and placement mechanism facilitating switching of curtains as defined in claim 5, wherein: the outer side of the second fixed loop bar (17) is connected with a second rotating gear (171) in a key mode, and a space exists between the second rotating gear (171) and the first rotating gear (51).
9. A movie advertisement curtain installation and placement mechanism facilitating switching of curtains as defined in claim 5, wherein: the outer side of the third fixed loop bar (18) is connected with a third rotating gear (181), and the transverse center line of the third rotating gear (181) and the transverse center line of the first rotating gear (51) are on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287056.9A CN111308847B (en) | 2019-12-14 | 2019-12-14 | Movie & TV advertisement curtain installation placement machine constructs convenient to switch curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287056.9A CN111308847B (en) | 2019-12-14 | 2019-12-14 | Movie & TV advertisement curtain installation placement machine constructs convenient to switch curtain |
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| Publication Number | Publication Date |
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| CN111308847A true CN111308847A (en) | 2020-06-19 |
| CN111308847B CN111308847B (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911287056.9A Active CN111308847B (en) | 2019-12-14 | 2019-12-14 | Movie & TV advertisement curtain installation placement machine constructs convenient to switch curtain |
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| CN (1) | CN111308847B (en) |
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| CN113031385A (en) * | 2021-02-22 | 2021-06-25 | 烟台南山学院 | Digital media display device convenient to store |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111308847B (en) | 2021-08-10 |
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Effective date of registration: 20210615 Address after: 343000 Room 301, e-commerce logistics industrial park, Taihe high tech Industrial Park, Ji'an City, Jiangxi Province Applicant after: Jiangxi Xingping audio visual equipment Co.,Ltd. Address before: 241000 No.6 Dongguo natural village, Jiuhua administrative village, Shugang Town, Matang District, Wuhu City, Anhui Province Applicant before: Hu Guangying |
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