CN203662499U - Rubber gear components and electric control curtain utilizing the same - Google Patents
Rubber gear components and electric control curtain utilizing the same Download PDFInfo
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- CN203662499U CN203662499U CN201320565976.4U CN201320565976U CN203662499U CN 203662499 U CN203662499 U CN 203662499U CN 201320565976 U CN201320565976 U CN 201320565976U CN 203662499 U CN203662499 U CN 203662499U
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- rubber
- teeth wheel
- wheel assembly
- gear
- curtain
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- Curtains And Furnishings For Windows Or Doors (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model discloses rubber gear components and an electric control curtain utilizing the same, wherein symmetrical rubber gear components are arranged at the left end and the right end of the electric control curtain respectively. Each rubber gear component is provided with a driving rubber gear and a transmission rubber gear, wherein rotating direction of the driving rubber gear and the transmission rubber gear is opposite, each driving rubber gear is in linkage with one transmission rubber gear, so that the traction is enough to avoid sliding, and operation is smooth due to the four-wheel double-motor driving structure, furthermore, the driving rubber gear and the transmission rubber gear have the same structure and are respectively provided with a rubber ring clamped between a gear chassis and a gland, a clamping slot is formed in the side wall of the outer ring of the rubber ring, a drawing rope is arranged in the clamping slot of rubber material in a winding mode, noise is lower, the adhesive force and the bite force between the rubber and the drawing rope are stronger, friction is stronger, so that the traction force is sufficient when the drawing rope is driven by the driving rubber gear and the transmission rubber gear.
Description
Technical field
The utility model relates to a kind of curtain, particularly a kind of electric remote-controlled curtain suspension.
Background technology
The application of curtain in our daily life is very general, and along with the raising of people's living standard, indoor living facilities are gradually to electrified, intelligent direction development, and people gradually adopt comparatively intelligence electric remote-controlled curtain suspension easily.Electric remote-controlled curtain suspension is provided with circulation transmission rope, and be provided with revolver, right wheel at curtain two ends, revolver and the right formation circulating ring of taking turns described in the winding of circulation transmission rope, but only two wheels are also little for the draw power of circulation transmission rope, easily cause whole electric remote-controlled curtain suspension running to have some setbacks.And revolver, right wheel be all generally to adopt the metal materials such as steel, iron material to make, circulation transmission rope is set around on metal material, and noise is larger, snap-in force, adhesive force are each other poor, easily there is the situation of skidding, also can cause tractive force deficiency, the situation that running has some setbacks.In addition, existing circulation transmission rope generally adopts plastic wire, and cost is higher, and durability is lower.
Therefore, how realizing a kind of tractive force foot, operating the electric remote-controlled curtain suspension smooth and easy, noise is little is technical problem urgently to be resolved hurrily in the industry.
Utility model content
Main purpose of the present utility model is to provide a kind of rubber teeth wheel assembly and applies the electric remote-controlled curtain suspension of this rubber teeth wheel assembly, is intended to realize a kind of tractive force foot, operates the electric remote-controlled curtain suspension smooth and easy, noise is little.
The utility model proposes a kind of rubber teeth wheel assembly, can be applicable in electric remote-controlled curtain suspension, comprise the active rubber gear that is connected with drive motors, with transmission rubber gear that initiatively rubber gear is connected with a joggle, initiatively rubber gear but direction of rotation consistent with transmission rubber teeth wheel construction, comprise that respectively edge establishes the gland that cogged gare base, is arranged in rubber ring on gare base, is connected and fixed with gare base, rubber ring is fastened between gare base and gland, and rubber ring outer shroud sidewall is provided with draw-in groove.
Preferably, between gare base and gland, be fixed by the mode of being spirally connected, the quantity of transmission rubber gear is set to 1 to 3.
The utility model proposes a kind of electric remote-controlled curtain suspension, comprise electric opening-closing-curtain device, adaptive remote controller corresponding to electric opening-closing-curtain device, electric opening-closing-curtain device comprises track, be located at the left rubber teeth wheel assembly at track two ends, right rubber teeth wheel assembly, the left drive motors that is connected and drives with left rubber teeth wheel assembly, the right drive motors that is connected and drives with right rubber teeth wheel assembly, be located in track and the sliding piston assembly that can drive the right-hand member of left curtain and the left end of right curtain to move along Orbital Symmetry, be located in track and be located at some slip suspension ring of sliding piston assembly both sides, one with left drive motors, the control device that right drive motors connects, also comprise and be connected in left rubber teeth wheel assembly, sliding piston assembly, between right rubber teeth wheel assembly and form the circulation transmission rope of circulating ring, circulation transmission rope has formed in sustained height and the contrary front rope of moving direction, rear rope, the structure of left rubber teeth wheel assembly and right rubber teeth wheel assembly is consistent and be symmetrical arranged, comprise respectively the active rubber gear that is connected with drive motors, with transmission rubber gear that initiatively rubber gear is connected with a joggle, initiatively rubber gear but direction of rotation consistent with transmission rubber teeth wheel construction, comprise that respectively edge establishes the gland that cogged gare base, is arranged in rubber ring on gare base, is connected and fixed with gare base, rubber ring is fastened between gare base and gland, and rubber ring outer shroud sidewall is provided with and can supplies circulation transmission rope winding draw-in groove wherein.
Preferably, between gare base and gland, be fixed by the mode of being spirally connected, the quantity of transmission rubber gear is set to 1 to 3.
Preferably, circulation transmission rope adopts steel wire rope, and the end to end place of circulation transmission rope is provided with the tension spring that improves toughness and have cushioning effect.
Preferably, electric opening-closing-curtain device also comprises the right directive wheel of the left directive wheel of being located in track and be located at left rubber teeth wheel assembly inner side, right rubber teeth wheel assembly inner side; Electric opening-closing-curtain device also comprises and is fixedly arranged on left directive wheel inner side or/and the stopper of right directive wheel inner side, and stopper is no less than 1.
Preferably, electric opening-closing-curtain device also comprises and is fixedly arranged on the fixing suspension ring that the right-hand member of track two ends the left end to left curtain, right curtain is fixed.
Preferably, between left rubber teeth wheel assembly and left drive motors, between right rubber teeth wheel assembly and right drive motors, be all connected driving by transmission mechanism.
Preferably, track upper end is provided with wire track that can accommodating connection wire.
Preferably, in control device, be provided with when drive motors be hampered while no longer rotating the out-of-work automatic stop module that is hampered voluntarily, drive motors is clockwise rotated or the rotation control module that rotates counterclockwise, can receive the control signal that remote controller sends the reception control module that can process, in control device, be also provided with and meet the battery that temporary source can be provided while power failure, battery can be powered 4 to 10 days.
Electric remote-controlled curtain suspension in the utility model is respectively arranged with symmetrical rubber teeth wheel assembly at two ends, left and right.Each rubber teeth wheel assembly is provided with initiatively rubber gear, transmission rubber gear, their direction of rotation.Wherein, each active rubber gear all with a drive motors interlock, such four-wheel double-motor driving structure, tractive force foot and be difficult for skidding, operates smooth and easy.In addition, initiatively the structure of rubber gear, transmission rubber gear is consistent, all be provided with the rubber ring being fastened between gare base and gland, rubber ring outer shroud sidewall is provided with draw-in groove, and stay cord is set around in the draw-in groove of elastomeric material, and noise is lower, adhesive force, snap-in force between rubber and stay cord are stronger, and frictional force is larger, while making stay cord through active rubber gear, the running of transmission rubber gear, tractive force abundance.
Accompanying drawing explanation
Fig. 1 is the stereochemical structure enlargement decomposition of rubber teeth wheel assembly in an embodiment of a kind of rubber teeth wheel assembly of the utility model and the electric remote-controlled curtain suspension of applying this rubber teeth wheel assembly;
Fig. 2 is the operation principle schematic diagram of electric remote-controlled curtain suspension in an embodiment of a kind of rubber teeth wheel assembly of the utility model and the electric remote-controlled curtain suspension of applying this rubber teeth wheel assembly;
Fig. 3 is the Facad structure schematic diagram of electric remote-controlled curtain suspension in an embodiment of a kind of rubber teeth wheel assembly of the utility model and the electric remote-controlled curtain suspension of applying this rubber teeth wheel assembly.
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Fig. 3, one embodiment of a kind of rubber teeth wheel assembly of the present utility model is proposed, described rubber teeth wheel assembly can be applicable in electric remote-controlled curtain suspension, rubber teeth wheel assembly comprise the active rubber gear 201 that is connected with drive motors, with transmission rubber gear 202 that initiatively rubber gear 201 is connected with a joggle.Initiatively rubber gear 201 but direction of rotation consistent with transmission rubber gear 202 structures, comprise that respectively edge establishes the gland 205 that cogged gare base 203, is arranged in rubber ring 204 on gare base 203, is connected and fixed with gare base 203, rubber ring 204 is fastened between gare base 203 and gland 205, between gare base 203 and gland 205, be fixed by the mode of being spirally connected, rubber ring 204 outer shroud sidewalls are provided with the draw-in groove 206 that can be arranged with stay cord.Stay cord winding is in the draw-in groove 206 of elastomeric material, and noise is lower, and adhesive force, snap-in force between rubber and stay cord are stronger, and frictional force is larger, when stay cord is operated through active rubber gear 201, transmission rubber gear 202, and tractive force abundance.
Wherein, the quantity of transmission rubber gear 202 can be set to 1 to 3, is provided with 1 in the present embodiment.
In existing electric remote-controlled curtain suspension, be generally only provided be positioned at left side revolver, be positioned at the right of right side and take turns, owing to all not needing engaged transmission, revolver and right wheel all can not arrange grinding tooth, a stay cord winding forms circulation between revolver and right wheel, tractive force deficiency, has some setbacks whole electric remote-controlled curtain suspension running.And revolver, right wheel be all generally to adopt the metal materials such as steel, iron material to make, stay cord is set around on metal material, and snap-in force, adhesive force are each other poor, also can cause tractive force deficiency, the situation that running has some setbacks.And the utility model is to be respectively arranged with symmetrical rubber teeth wheel assembly at two ends, left and right.Each rubber teeth wheel assembly is provided with initiatively rubber gear 201, transmission rubber gear 202, their direction of rotation.Initiatively rubber gear 201 and drive motors interlock, such four-wheel double-motor driving structure, tractive force is difficult for skidding enough, operates smooth and easy.In addition, initiatively the structure of rubber gear 201, transmission rubber gear 202 is consistent, all be provided with the rubber ring 204 being fastened between gare base 203 and gland 205, rubber ring 204 outer shroud sidewalls are provided with draw-in groove 206, and stay cord is set around in the draw-in groove 206 of elastomeric material, and noise is lower, adhesive force, snap-in force between rubber and stay cord are stronger, and frictional force is larger, when stay cord is operated through active rubber gear 201, transmission rubber gear 202, tractive force abundance.
Referring to figs. 1 through Fig. 3, an embodiment of the electric remote-controlled curtain suspension of this rubber teeth wheel assembly of application of the present utility model is proposed, described electric remote-controlled curtain suspension comprises electric opening-closing-curtain device, adaptive remote controller corresponding to electric opening-closing-curtain device.
Electric opening-closing-curtain device comprises track 101, be located at the left rubber teeth wheel assembly at track 101 two ends, right rubber teeth wheel assembly, the left drive motors 102 that is connected and drives with left rubber teeth wheel assembly, the right drive motors 103 that is connected and drives with right rubber teeth wheel assembly, being located in track 101 also to drive the right-hand member of left curtain and the left end of right curtain along the symmetrical mobile sliding piston assembly 104 of track 101, be located in track 101 and be located at some slip suspension ring 105 of sliding piston assembly 104 both sides, one with left drive motors 102, the control device 106 that right drive motors 103 connects, also comprise and be connected in left rubber teeth wheel assembly, sliding piston assembly 104, between right rubber teeth wheel assembly and form the circulation transmission rope 109 of circulating ring, circulation transmission rope 109 has formed in sustained height and the contrary front rope 107 of moving direction, rear rope 108.
The structure of left rubber teeth wheel assembly and right rubber teeth wheel assembly is consistent and be symmetrical arranged, comprise respectively the active rubber gear 201 being connected with drive motors, the transmission rubber gear 202 being connected with a joggle with active rubber gear 201, initiatively rubber gear 201 but direction of rotation consistent with transmission rubber gear 202 structures, comprise that respectively edge establishes cogged gare base 203, one is arranged in the rubber ring 204 on gare base 203, the gland 205 being connected and fixed with gare base 203, rubber ring 204 is fastened between gare base 203 and gland 205, between gare base 203 and gland 205, be fixed by the mode of being spirally connected, rubber ring 204 outer shroud sidewalls are provided with and can supply circulation transmission rope 109 windings draw-in groove 206 wherein.
The utility model is to be respectively arranged with symmetrical rubber teeth wheel assembly at two ends, left and right.Each rubber teeth wheel assembly is provided with initiatively rubber gear 201, transmission rubber gear 202, their direction of rotation.Initiatively rubber gear 201 and drive motors interlock, such four-wheel double-motor driving structure, tractive force foot, operates smooth and easy.In addition, initiatively the structure of rubber gear 201, transmission rubber gear 202 is consistent, all be provided with the rubber ring 204 being fastened between gare base 203 and gland 205, rubber ring 204 outer shroud sidewalls are provided with draw-in groove 206, circulation transmission rope 109 is set around in the draw-in groove 206 of elastomeric material, noise is lower, adhesive force, snap-in force between rubber and circulation transmission rope 109 are stronger, and frictional force is larger, make to circulate transmission rope 109 when initiatively rubber gears 201, transmission rubber gear 202 operate, tractive force is sufficient and be difficult for skidding.
Wherein, the quantity of transmission rubber gear 202 can be set to 1 to 3, is provided with 1 in the present embodiment.
The end to end place of circulation transmission rope 109 is provided with tension spring 110, and tension spring 110 is located on sliding piston assembly 104.Tension spring 110 has improved the toughness of whole circulation transmission rope 109 and has had certain cushioning effect, even in the time just starting, circulation transmission rope 109 is the stressed buffering that more also obtained quickly.The general plastic wire that adopts of existing circulation transmission rope 109, cost is higher.Circulation transmission rope 109 of the present utility model adopts steel wire rope, and steel wire rope cost is lower, and hardness is strong, tractive force foot, and durability is good.
Electric opening-closing-curtain device also comprises the right directive wheel 112 of the left directive wheel 111 of being located in track 101 and be located at left rubber teeth wheel assembly inner side, right rubber teeth wheel assembly inner side.
Electric opening-closing-curtain device also comprises and is fixedly arranged on left directive wheel 111 inner sides or/and the stopper 113 of right directive wheel 112 inner sides, and stopper 113 is no less than 1.
Electric opening-closing-curtain device also comprises and is fixedly arranged on the fixing suspension ring 114 that the right-hand member of track 101 two ends the left end to left curtain, right curtain is fixed.
Between left rubber teeth wheel assembly and left drive motors 102, be all connected driving by transmission mechanism 115 between right rubber teeth wheel assembly and right drive motors 103.
Control device 106 is connected between civil power and motor, and the output voltage of control device 106 is 6V.In control device 106, be provided with when drive motors be hampered while no longer rotating the out-of-work automatic stop module that is hampered voluntarily, drive motors is clockwise rotated or the rotation control module that rotates counterclockwise, can receive the control signal that remote controller sends the reception control module that can process.In control device 106, being also provided with to meet while power failure to provide the battery of temporary source, also can work a period of time even if run into power failure, and the battery in general control device 106 of the present utility model can be powered 4 to 10 days.
Remote controller is during to the accepting control module and send the control signal of the curtain that closes of control device 106, and electric opening-closing-curtain device is started working, and the rotation control module control drive motors of control device 106 clockwise rotates.Under the gearing of transmission mechanism 115, left rubber teeth wheel assembly in track 101 and right rubber teeth wheel assembly also start to rotate, the active rubber gear 201 of the active rubber gear 201 of left rubber teeth wheel assembly, right rubber teeth wheel assembly is all positioned at inner side and all starts to clockwise rotate, and initiatively rubber gear 201 is consistent with transmission rubber gear 202 structures and intermeshing, therefore, the transmission rubber gear 202 of the transmission rubber gear 202 of left rubber teeth wheel assembly, right rubber teeth wheel assembly is all positioned at outside and all starts to rotate counterclockwise.In addition, left rubber teeth wheel assembly inner side is provided with left directive wheel 111, right rubber teeth wheel assembly inner side is provided with right directive wheel 112.The rotation of left rubber teeth wheel assembly, right rubber teeth wheel assembly has driven circulation transmission rope 109 to carry out counterclockwise cycle rotation round sliding piston assembly 104, left directive wheel 111, left rubber teeth wheel assembly, right rubber teeth wheel assembly, right directive wheel 112, like this, before circulation transmission rope 109, put rope and move right, 108, rear rope is moved to the left.Because circulation transmission rope 109 adopts steel wire rope, and be provided with tension spring 110, improved the toughness of whole circulation transmission rope 109 and had certain cushioning effect, even in the time just starting, circulation transmission rope 109 is the stressed cushioning effect that more also obtained quickly.Sliding piston assembly 104 can drive the right-hand member of left curtain to move right along track 101 with front rope 107, and sliding piston assembly 104 can drive the left end of right curtain to be moved to the left along track 101 with front rope 107.Simultaneously, the left end of the fixing suspension ring 114 that are fixedly arranged on track 101 two ends to left curtain, the right-hand member of right curtain have fixation, are located in track 101 and some slip suspension ring 105 of being located at sliding piston assembly 104 both sides play traction induced effect to the stage casing part of curtain.Like this, in the time that sliding piston assembly 104 drives the right-hand member of left curtain and the left end arrival center of right curtain to join place, curtain can ideally close, in the time that the right-hand member of left curtain and the left end of right curtain are joined, can not continue again mobile, now drive motors will be obstructed and no longer rotate, and the automatic stop module that is hampered of this timed unit 106 can make drive motors quit work voluntarily.
The operation principle of drawing the curtain apart is roughly the same with the operation principle of the curtain that closes, but it should be noted that, have and be no less than the stopper 113 of 1 and be fixedly arranged on left directive wheel 111 inner sides or/and right directive wheel 112 inner sides, in the time that sliding piston assembly 104 drives the left end of the right-hand member of left curtain, right curtain to arrive arbitrary stopper 113, be subject to the obstruction of stopper 113 and must not have continued mobile, force drive motors to be hampered and no longer rotate, the automatic stop module that is hampered of this timed unit 106 can make drive motors quit work voluntarily.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a rubber teeth wheel assembly, can be applicable in electric remote-controlled curtain suspension, it is characterized in that, comprise the active rubber gear being connected with drive motors, the transmission rubber gear being connected with a joggle with described active rubber gear, described active rubber gear but direction of rotation consistent with described transmission rubber teeth wheel construction, comprise that respectively edge establishes cogged gare base, one is arranged in the rubber ring on described gare base, the gland being connected and fixed with described gare base, described rubber ring is fastened between described gare base and described gland, described rubber ring outer shroud sidewall is provided with draw-in groove.
2. a kind of rubber teeth wheel assembly according to claim 1, is characterized in that, between described gare base and described gland, is fixed by the mode of being spirally connected, and the quantity of described transmission rubber gear is set to 1 to 3.
3. an electric remote-controlled curtain suspension, comprise electric opening-closing-curtain device, adaptive remote controller corresponding to described electric opening-closing-curtain device, it is characterized in that, electric opening-closing-curtain device comprises track, be located at the left rubber teeth wheel assembly at described track two ends, right rubber teeth wheel assembly, the left drive motors that is connected and drives with described left rubber teeth wheel assembly, the right drive motors that is connected and drives with described right rubber teeth wheel assembly, be located in described track and the sliding piston assembly that can drive the right-hand member of left curtain and the left end of right curtain to move along described Orbital Symmetry, be located in described track and be located at some slip suspension ring of described sliding piston assembly both sides, one with described left drive motors, the control device that described right drive motors connects, also comprise and be connected in described left rubber teeth wheel assembly, sliding piston assembly, between right rubber teeth wheel assembly and form the circulation transmission rope of circulating ring, described circulation transmission rope has formed in sustained height and the contrary front rope of moving direction, rear rope, the structure of described left rubber teeth wheel assembly and described right rubber teeth wheel assembly is consistent and be symmetrical arranged, comprise respectively the active rubber gear being connected with described drive motors, the transmission rubber gear being connected with a joggle with described active rubber gear, described active rubber gear but direction of rotation consistent with described transmission rubber teeth wheel construction, comprise that respectively edge establishes cogged gare base, one is arranged in the rubber ring on described gare base, the gland being connected and fixed with described gare base, described rubber ring is fastened between described gare base and described gland, described rubber ring outer shroud sidewall is provided with and can supplies described circulation transmission rope winding draw-in groove wherein.
4. a kind of electric remote-controlled curtain suspension according to claim 3, is characterized in that, between described gare base and described gland, is fixed by the mode of being spirally connected, and the quantity of described transmission rubber gear is set to 1 to 3.
5. a kind of electric remote-controlled curtain suspension according to claim 4, is characterized in that, described circulation transmission rope adopts steel wire rope, and the end to end place of circulation transmission rope is provided with the tension spring that improves toughness and have cushioning effect.
6. according to a kind of electric remote-controlled curtain suspension described in claim 3 or 4 or 5, it is characterized in that, described electric opening-closing-curtain device also comprises the right directive wheel of the left directive wheel of being located in described track and be located at described left rubber teeth wheel assembly inner side, described right rubber teeth wheel assembly inner side; Described electric opening-closing-curtain device also comprises and is fixedly arranged on described left directive wheel inner side or/and the stopper of described right directive wheel inner side, and described stopper is no less than 1.
7. a kind of electric remote-controlled curtain suspension according to claim 6, is characterized in that, described electric opening-closing-curtain device also comprises and is fixedly arranged on the fixing suspension ring that the right-hand member of described track two ends the left end to described left curtain, described right curtain is fixed.
8. a kind of electric remote-controlled curtain suspension according to claim 7, is characterized in that, between described left rubber teeth wheel assembly and described left drive motors, be all connected driving by transmission mechanism between described right rubber teeth wheel assembly and described right drive motors.
9. a kind of electric remote-controlled curtain suspension according to claim 8, is characterized in that, described track upper end is provided with wire track that can accommodating connection wire.
10. a kind of electric remote-controlled curtain suspension according to claim 9, it is characterized in that, in described control device, be provided with when described drive motors be hampered while no longer rotating the out-of-work automatic stop module that is hampered voluntarily, make rotation control module that described drive motors clockwise rotates or rotate counterclockwise, can receive the control signal that described remote controller sends the reception control module that can process, in described control device, be also provided with and meet the battery that temporary source can be provided while power failure, described battery can be powered 4 to 10 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320565976.4U CN203662499U (en) | 2013-09-13 | 2013-09-13 | Rubber gear components and electric control curtain utilizing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320565976.4U CN203662499U (en) | 2013-09-13 | 2013-09-13 | Rubber gear components and electric control curtain utilizing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203662499U true CN203662499U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320565976.4U Expired - Fee Related CN203662499U (en) | 2013-09-13 | 2013-09-13 | Rubber gear components and electric control curtain utilizing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203662499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110477725A (en) * | 2019-08-30 | 2019-11-22 | 徐州泰和门窗有限公司 | Automatic open-close curtain suitable for window |
-
2013
- 2013-09-13 CN CN201320565976.4U patent/CN203662499U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110477725A (en) * | 2019-08-30 | 2019-11-22 | 徐州泰和门窗有限公司 | Automatic open-close curtain suitable for window |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20180913 |