CN203175376U - Trackless cantilever telescopic door - Google Patents
Trackless cantilever telescopic door Download PDFInfo
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- CN203175376U CN203175376U CN 201320128964 CN201320128964U CN203175376U CN 203175376 U CN203175376 U CN 203175376U CN 201320128964 CN201320128964 CN 201320128964 CN 201320128964 U CN201320128964 U CN 201320128964U CN 203175376 U CN203175376 U CN 203175376U
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- 239000004677 Nylon Substances 0.000 claims description 9
- 229920001778 nylon Polymers 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract 3
- 239000010959 steel Substances 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 4
- 230000037396 body weight Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010003694 Atrophy Diseases 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a trackless cantilever telescopic door. The trackless cantilever telescopic door comprises a main door body and an auxiliary door body which are joint through an external hanging mechanism in a sliding mode. The main door body and the auxiliary door body are erected over the ground through a supporting component. The supporting component makes contact with the main door body in a sliding mode. The main door body comprises a main beam and a main door sash. The trackless cantilever telescopic door further comprises a driving motor, a steel wire rope and a pulley assembly. The main door body and the auxiliary door body achieve synchronization telescoping through the steel wire rope and the pulley assembly. The driving motor is arranged in the main beam. The steel wire rope and the pulley assembly are arranged on the main beam. The auxiliary door body comprises an auxiliary beam and an auxiliary door sash. The main beam and the auxiliary beam are mutually matched in shape and size of cross sections, so that the main beam and the auxiliary beam form a whole when being folded. By the adoption of a door body overlapping telescopic structure, occupied space of the door bodies in a door opening state is reduced, so that the problem that a whole cantilever door can not be installed and used caused by limited space is solved, and customer requirements of using the whole cantilever door are met.
Description
Technical field
The utility model relates to cantilever translation door field, especially a kind of trackless cantilever retractable door.
Background technology
Use maximum be automatic retractable door and cantilever doors in the market.And retractable door presents the situation of atrophy gradually owing to the appearance of cantilever door automatically.The cantilever door divides whole cantilever door and flexible cantilever door, when whole cantilever door opens the door, required shrink space is taken up an area of bigger, and the flexible cantilever door of the part that has had need be realized freely stretching by guide wheel and guide rail, the structure more complicated, a kind of assembly type cantilever door is disclosed such as Chinese patent CN102287131A, comprise at least two portal frames, the door sheet, the lower end of portal frame is fixed on the ground, the lower surface of door sheet is provided with the guide rail that Open Side Down, portal frame inner chamber lower end is provided with the guide wheel supporting arrangement, and the guide wheel supporting arrangement is provided with guide wheel, and guide wheel can slide in guide rail.The related cantilever door of this patent can't be realized Telescopic, and complex structure, and the occupation of land space is big.
The utility model content
The purpose of this utility model provides a kind of trackless cantilever retractable door, adopts the folded stretching structure of door body weight, and satisfy because of the limited customer demand that can't install and use whole cantilever door in space in the occupation of land space of door body when reducing door opening state.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of trackless cantilever retractable door, wherein, comprise main door body and secondary door body, described main door body and described secondary door body slide by plug-in mechanism and are connected, described main door body, described secondary door body are set up on the ground by support component, described support component is set up in below one side of described main door body, sliding-contact between described support component and the described body door;
Described main door body comprises girder and main door leaf, described trackless cantilever retractable door also comprises drive motors and wire rope and pulley assembly, described girder is positioned at the bottom of described main door leaf, realize synchronization telescope by described wire rope and pulley assembly between described main door body and the described secondary door body, described drive motors is located in the described girder, and described wire rope and pulley assembly are located on the described girder;
Described secondary door body comprises auxiliary girder and secondary door leaf, and described auxiliary girder is positioned at the bottom of described secondary door leaf, and described girder and described auxiliary girder cross sectional shape and size are worked in coordination, and become one when described girder and described auxiliary girder are closed up.
Above-mentioned trackless cantilever retractable door, wherein, described wire rope and pulley assembly comprise wire rope, two wire rope rollers and roller shaft, and described wire rope roller is located at described girder rear and front end by described roller shaft, and described wire rope is fixedlyed connected with a described secondary door body.
Above-mentioned trackless cantilever retractable door, wherein, described wire rope and pulley assembly also comprise wire rope anticreep cover, described wire rope anticreep cover is installed in the outside of described wire rope roller by screw.
Above-mentioned trackless cantilever retractable door, wherein, described wire rope is fixedlyed connected with described secondary door body by engagement plate.
Above-mentioned trackless cantilever retractable door, wherein, described support component comprises main the support and secondary support, described main support or described secondary the support comprise base, studdle, wire rope fixed head, roller, roller fixed head and first directive wheel, described studdle is vertical on the described base, described roller fixed head is hinged on described studdle top, and an end of described roller fixed head connects described wire rope fixed head, and the other end is provided with described first directive wheel; Described main the support is connected with described drive motors by connecting rod; The described wire rope fixed head of support and the two ends that the described secondary wire rope fixed head that supports is connected described wire rope respectively of leading.
Above-mentioned trackless cantilever retractable door, wherein, described plug-in mechanism comprises plug-in gripper shoe, the vertical section of described plug-in gripper shoe is " U " type, be equiped with plug-in support roller on the vertical edge of described plug-in gripper shoe, another vertical edge is fixed on the described girder by screw, and described plug-in support roller stretches in the described auxiliary girder, play the effect of supporting described auxiliary girder, the direction of motion of described auxiliary girder is consistent with the rotating direction of described plug-in support roller.
Above-mentioned trackless cantilever retractable door wherein, also comprises the locating wheel parts and location nylon strip that play the role of positioning, one end of described locating wheel parts is installed on the described auxiliary girder, the other end contacts described girder, and an end of described location nylon strip is installed on the described auxiliary girder, and the other end contacts described girder.
Above-mentioned trackless cantilever retractable door, wherein, described locating wheel parts comprise locating wheel and locating wheel gripper shoe, described locating wheel is connected with described locating wheel gripper shoe by a roller bearing, described locating wheel gripper shoe is fixed on described auxiliary girder on the inwall of described girder one side, described auxiliary girder is provided with a hole with the corresponding position, position of described locating wheel on the inwall of described girder one side, an end of described locating wheel stretches out the described girder of back contact from described hole.
Above-mentioned trackless cantilever retractable door, wherein, the motor that described drive motors has base plate and is erected at described base plate top, lay stabilizer and driven friction pulley successively in the both sides of described base plate, described driven friction pulley top is provided with active friction wheel, the top, two ends of described base plate is respectively equipped with frame on one side, and described limit frame is provided with second directive wheel and support wheel.
Above-mentioned trackless cantilever retractable door, wherein, described drive motors bottom also is provided with clutch.
Above-mentioned trackless cantilever retractable door, wherein, described trackless cantilever retractable door also comprises main door head and secondary door head, and described main door head and described secondary door head are used for the location gate-width, and described main door body and described secondary door body are mobile between described main door head and described secondary door head.
Compared with prior art, advantage applies of the present utility model exists:
-retractable door is compared with general whole cantilever door, approximately can save and take up an area of space about 40%, and abandoned the stretching structure of existing guide wheel and guide rail, reduced structure complexity, satisfied the limited hope again in space and had the demand of business unit or the individual resident family of the high-grade shop front;
Adopt plug-in mechanism between the-secondary Men Tiyu master door body, when closing the door state, secondary door body weight is stacked in main door body rear side, and the upper and lower two guiding designs of secondary door body make a body flexible more steady, accurate;
-installed locating wheel and location nylon strip additional at the auxiliary girder end, the noise when greatly having reduced the door running body, and prolonged application life of door body.
Description of drawings
Fig. 1 shows the utility model trackless cantilever retractable door overall structure schematic diagram at closing time;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 a shows the main structural representation that supports of the utility model trackless cantilever retractable door;
Fig. 3 b shows the structural representation of the drive motors that has connecting rod of the utility model trackless cantilever retractable door;
Fig. 3 c shows the structural representation of the pair support of the utility model trackless cantilever retractable door;
Fig. 4 a shows the schematic cross-section of the girder of the utility model trackless cantilever retractable door;
Fig. 4 b shows the schematic cross-section of the auxiliary girder of the utility model trackless cantilever retractable door;
Fig. 5 a shows the wire rope of the utility model trackless cantilever retractable door and the structural representation of pulley assembly;
Fig. 5 b is the lateral view of Fig. 5 a;
Fig. 6 shows the structural representation of the plug-in mechanism of the utility model trackless cantilever retractable door;
The plug-in mechanism that Fig. 7 shows the utility model trackless cantilever retractable door is inlaid in the structural representation between girder and the auxiliary girder;
Overall structure schematic diagram when Fig. 8 shows the utility model trackless cantilever retractable door and opens the door;
Fig. 9 is the vertical view of Fig. 8;
Figure 10 a shows the structural representation of the locating wheel parts of the utility model trackless cantilever retractable door;
Figure 10 b shows the locating wheel parts of the utility model trackless cantilever retractable door and the scheme of installation of location nylon strip;
Figure 11 a shows the utility model trackless cantilever retractable door theory structure schematic diagram at closing time;
Theory structure schematic diagram when Figure 11 b shows the utility model trackless cantilever retractable door and opens the door.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as restriction of the present utility model.
Please referring to illustrated in figures 1 and 2, the utility model trackless cantilever retractable door comprises main door body 1 and secondary door body 2, and main door body 1 and secondary door body 2 slide by plug-in mechanism 3 and be connected, and main door body 1, secondary door body 2 are set up on the ground by support component.Support component is set up in below one side of main door body 1, sliding-contact between support component and the body door 1.This trackless cantilever retractable door also comprises main door 4 and secondary door 5, and main door 4 and secondary door 5 is used for the location gate-width, and main door body 1 and a secondary door body 2 are arranged in main door 4 and the secondary door 5, and mobile between main door 4 and secondary door 5.Support component is positioned at main 4 towards secondary door 5 a rightabout side.
In preferred embodiment of the present utility model, as shown in Figure 1, support component comprises main support 6 and secondary support 7, shown in Fig. 3 a, main support 6 comprises base 61, studdle 62, wire rope fixed head 63, roller 64, roller fixed head 65 and first directive wheel 66, and studdle 62 is vertical on the base 61, and roller fixed head 65 is hinged on studdle 62 tops, one end of roller fixed head 65 connects wire rope fixed head 63, and the other end is provided with first directive wheel 66.Shown in Fig. 3 a and Fig. 3 b, main support 6 is connected with drive motors by connecting rod 0.
The main wire rope fixed head that supports 6 wire rope fixed head 63 and secondary support 7 is connected the two ends of wire rope respectively.Secondary support 7 structures and main to support 6 structures the same substantially, shown in Fig. 3 c, difference is also to be provided with the Connection Block 67 that is connected with connecting rod 0 on the base 61 of master's support 6.More than 2 positions that can make first directive wheel 66 be adjusted in and support in the rail beam, make a running body more smooth and easy.
Continuation is referring to shown in Figure 1, main door body 1 comprises girder 11 and main door leaf 00, girder 11 is positioned at the bottom of main door leaf 00, the utility model cantilever retractable door also comprises drive motors 12 and wire rope and pulley assembly 13, realize synchronization telescope by wire rope and pulley assembly 13 between main door body 1 and the secondary door body 2, drive motors 12 is located in the girder 11, and wire rope and pulley assembly 13 are located on the girder 11.Secondary door body 2 comprises auxiliary girder 21 and secondary door leaf 22, auxiliary girder 21 is positioned at the bottom of secondary door leaf 22, girder 11 is worked in coordination with auxiliary girder 21 cross sectional shapes and size, when being closed up, girder 11 and auxiliary girder 21 become one, each beam has a style of one's own again when flexible the separation, and the cross section of girder 11 and auxiliary girder 21 is respectively referring to the signal of Fig. 4 a and Fig. 4 b.Preferably, the height of girder 11 and auxiliary girder 21 is 280mm, and the width behind girder 11 and auxiliary girder 21 integrators is 175mm, and has the gap about 5mm between the two after closing up.
By adopting stainless steel wire rope and the pulley assembly of high strength, high tenacity, realize being connected transmission between girder 11 and the auxiliary girder 21.Shown in Fig. 5 a and Fig. 5 b, wire rope and pulley assembly 13 comprise wire rope 131, two wire rope rollers 132 and roller shaft 133, two wire rope rollers 132 are located at girder 11 rear and front ends by roller shaft 133, bearing 135 is installed at wire rope roller 132 centers, it is more flexible that wire rope roller 132 is rotated, wire rope 131 is fixedlyed connected with secondary door body 2, and preferably, wire rope 131 is fixedlyed connected with secondary door body 2 by engagement plate (not marking in the drawings).Wire rope and pulley assembly 13 also comprise wire rope anticreep cover 134, and wire rope anticreep cover 134 is contained in the outside of wire rope roller 132 by screw 136, can prevent effectively that wire rope 131 breaks away from wire rope rollers 132.
Continuation is referring to shown in Figure 6, plug-in mechanism 3 comprises plug-in gripper shoe 31, the vertical section of plug-in gripper shoe 31 is " U " type, as shown in Figure 7, is equiped with plug-in support roller 32 on the vertical edge of plug-in gripper shoe 31, plug-in support roller 32 is around main shaft 33 rotations, main shaft 33 is fixed on this vertical edge, and another vertical edge is fixed on the girder 11 by screw, and plug-in support roller 32 stretches in the auxiliary girder 21, play the effect of supporting auxiliary girder 21, the direction of motion of auxiliary girder 21 is consistent with the rotating direction of plug-in support roller 32.
In preferred embodiment of the present utility model, girder 11 is friction-driven, 21 of auxiliary girders are driven by wire rope, shown in Fig. 3 b, the motor 122 that drive motors 12 has base plate 121 and is erected at base plate 121 tops is laid stabilizer 123 and driven friction pulley 124 successively in the both sides of base plate 121, and driven friction pulley 124 tops are provided with active friction wheel 125, the top, two ends of base plate 121 is respectively equipped with frame 126 on one side, and limit frame 126 is provided with second directive wheel 127 and support wheel 128.In other embodiments, girder 11 can also be with chain or rack drives, and auxiliary girder 21 is available chain drive also.
Continuation is referring to shown in Fig. 3 b, drive motors 12 bottoms also are provided with clutch 129, the door body is when normal operation, acting in conjunction by wire rope and assembly pulley 13, a main body 1 is flexible simultaneously with secondary door body 2, is running into special status, during as power failure, fault, by manual clutch mechanism 129, can realize opening Door by Hand and closing the door of a body.
The utility model retractable door also comprises the locating wheel parts 8 and location nylon strip 9 that play the role of positioning, one end of locating wheel parts 8 is installed on the auxiliary girder 21, other end contact girder 11, one end of location nylon strip 9 is installed on the auxiliary girder 21, other end contact girder 11, noise when greatly having reduced the door running body, and prolonged application life of door body.Specifically referring to shown in Figure 10 a and Figure 10 b, locating wheel parts 8 comprise locating wheel 81 and locating wheel gripper shoe 82, locating wheel 81 is connected with locating wheel gripper shoe 82 by a roller bearing 83, locating wheel gripper shoe 82 is fixed on auxiliary girder 21 on the inwall of girder 11 1 sides by modes such as screws, auxiliary girder 21 is provided with a hole with the corresponding position, position of locating wheel 81 on the inwall of girder 11 1 sides, one end of locating wheel 81 stretches out back contact girder 11 from the hole, open and close along with the door body, locating wheel 81 rolls on the surface of girder 11, locate nylon strip 9 simultaneously and slide on the surface of girder 11, play the effect of location.
Again referring to Fig. 1, Fig. 2, simultaneously in conjunction with shown in Fig. 8, Fig. 9, Figure 11 a and Figure 11 b, show the state signal that the utility model retractable door is closed the door and opened the door respectively, when closing the door state, secondary door body weight is stacked in main door body rear side, and can save a body and take up an area of the space, and when opening the door, main door body, the absolute speed of service ratio of pair door body are 1:2, and speed of service ratio is 1:1 relatively.In the whole process of opening the door and close the door, the door running body is attractive in appearance, steady, and integral body presents dynamic U.S..
The above only is the utility model preferred embodiment; be not so limit claim of the present utility model; so the equivalent structure that all utilization the utility model manuals and diagramatic content have been done changes, and all is included in the protection domain of the present utility model.
Claims (11)
1. trackless cantilever retractable door, it is characterized in that, comprise main door body and secondary door body, described main door body and described secondary door body slide by plug-in mechanism and are connected, described main door body, described secondary door body are set up on the ground by support component, described support component is set up in below one side of described main door body, sliding-contact between described support component and the described body door;
Described main door body comprises girder and main door leaf, described trackless cantilever retractable door also comprises drive motors and wire rope and pulley assembly, described girder is positioned at the bottom of described main door leaf, realize synchronization telescope by described wire rope and pulley assembly between described main door body and the described secondary door body, described drive motors is located in the described girder, and described wire rope and pulley assembly are located on the described girder;
Described secondary door body comprises auxiliary girder and secondary door leaf, and described auxiliary girder is positioned at the bottom of described secondary door leaf, and described girder and described auxiliary girder cross sectional shape and size are worked in coordination, and become one when described girder and described auxiliary girder are closed up.
2. trackless cantilever retractable door according to claim 1, it is characterized in that, described wire rope and pulley assembly comprise wire rope, two wire rope rollers and roller shaft, and described wire rope roller is located at described girder rear and front end by described roller shaft, and described wire rope is fixedlyed connected with a described secondary door body.
3. as trackless cantilever retractable door as described in the claim 2, it is characterized in that described wire rope and pulley assembly also comprise wire rope anticreep cover, described wire rope anticreep cover is installed in the outside of described wire rope roller by screw.
4. as trackless cantilever retractable door as described in the claim 2, it is characterized in that described wire rope is fixedlyed connected with a described secondary door body by engagement plate.
5. trackless cantilever retractable door according to claim 1, it is characterized in that, described support component comprises main the support and secondary support, described main support or described secondary the support comprise base, studdle, wire rope fixed head, roller, roller fixed head and first directive wheel, described studdle is vertical on the described base, described roller fixed head is hinged on described studdle top, and an end of described roller fixed head connects described wire rope fixed head, and the other end is provided with described first directive wheel; Described main the support is connected with described drive motors by connecting rod; The described wire rope fixed head of support and the two ends that the described secondary wire rope fixed head that supports is connected described wire rope respectively of leading.
6. trackless cantilever retractable door according to claim 1, it is characterized in that, described plug-in mechanism comprises plug-in gripper shoe, the vertical section of described plug-in gripper shoe is " U " type, be equiped with plug-in support roller on the vertical edge of described plug-in gripper shoe, another vertical edge is fixed on the described girder by screw, and described plug-in support roller stretches in the described auxiliary girder, play the effect of supporting described auxiliary girder, the direction of motion of described auxiliary girder is consistent with the rotating direction of described plug-in support roller.
7. trackless cantilever retractable door according to claim 1, it is characterized in that, also comprise the locating wheel parts and location nylon strip that play the role of positioning, one end of described locating wheel parts is installed on the described auxiliary girder, the other end contacts described girder, one end of described location nylon strip is installed on the described auxiliary girder, and the other end contacts described girder.
8. as trackless cantilever retractable door as described in the claim 7, it is characterized in that, described locating wheel parts comprise locating wheel and locating wheel gripper shoe, described locating wheel is connected with described locating wheel gripper shoe by a roller bearing, described locating wheel gripper shoe is fixed on described auxiliary girder on the inwall of described girder one side, described auxiliary girder is provided with a hole with the corresponding position, position of described locating wheel on the inwall of described girder one side, an end of described locating wheel stretches out the described girder of back contact from described hole.
9. as trackless cantilever retractable door as described in claim 1 or 5, it is characterized in that, the motor that described drive motors has base plate and is erected at described base plate top, lay stabilizer and driven friction pulley successively in the both sides of described base plate, described driven friction pulley top is provided with active friction wheel, the top, two ends of described base plate is respectively equipped with frame on one side, and described limit frame is provided with second directive wheel and support wheel.
10. as trackless cantilever retractable door as described in the claim 9, it is characterized in that described drive motors bottom also is provided with clutch.
11. trackless cantilever retractable door according to claim 1, it is characterized in that, described trackless cantilever retractable door also comprises main door head and secondary door head, and described main door head and described secondary door head are used for the location gate-width, and described main door body and described secondary door body are mobile between described main door head and described secondary door head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320128964 CN203175376U (en) | 2013-03-20 | 2013-03-20 | Trackless cantilever telescopic door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320128964 CN203175376U (en) | 2013-03-20 | 2013-03-20 | Trackless cantilever telescopic door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175376U true CN203175376U (en) | 2013-09-04 |
Family
ID=49072091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320128964 Expired - Lifetime CN203175376U (en) | 2013-03-20 | 2013-03-20 | Trackless cantilever telescopic door |
Country Status (1)
| Country | Link |
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| CN (1) | CN203175376U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328987A (en) * | 2014-10-30 | 2015-02-04 | 赖勋 | Cantilever type overlapped sliding door |
| CN106428608A (en) * | 2016-09-30 | 2017-02-22 | 美迪斯智能装备有限公司 | A follow-up guardrail device for boarding bridge |
| RU188758U1 (en) * | 2018-12-24 | 2019-04-23 | Закрытое акционерное общество "Центр специальных инженерных сооружений научно-исследовательского и конструкторского института радиоэлектронной техники" (ЗАО "ЦеСИС НИКИРЭТ") | Anti ram sliding gates |
| RU2694376C1 (en) * | 2018-12-24 | 2019-07-12 | Закрытое акционерное общество "Центр специальных инженерных сооружений научно-исследовательского и конструкторского института радиоэлектронной техники" (ЗАО "ЦеСИС НИКИРЭТ") | Anti-rammer sliding gates |
| CN110792350A (en) * | 2019-11-25 | 2020-02-14 | 广州新科佳都科技有限公司 | Self-balancing gyro wheel cable suspension device |
| RU2784257C1 (en) * | 2022-08-09 | 2022-11-23 | Федеральное государственное казённое военное образовательное учреждение высшего образования "Военная академия материально-технического обеспечения имени генерала армии А.В. Хрулева" Министерства обороны Российской Федерации | Vertical initiating screen for railway tunnel protection |
-
2013
- 2013-03-20 CN CN 201320128964 patent/CN203175376U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328987A (en) * | 2014-10-30 | 2015-02-04 | 赖勋 | Cantilever type overlapped sliding door |
| CN106428608A (en) * | 2016-09-30 | 2017-02-22 | 美迪斯智能装备有限公司 | A follow-up guardrail device for boarding bridge |
| RU188758U1 (en) * | 2018-12-24 | 2019-04-23 | Закрытое акционерное общество "Центр специальных инженерных сооружений научно-исследовательского и конструкторского института радиоэлектронной техники" (ЗАО "ЦеСИС НИКИРЭТ") | Anti ram sliding gates |
| RU2694376C1 (en) * | 2018-12-24 | 2019-07-12 | Закрытое акционерное общество "Центр специальных инженерных сооружений научно-исследовательского и конструкторского института радиоэлектронной техники" (ЗАО "ЦеСИС НИКИРЭТ") | Anti-rammer sliding gates |
| CN110792350A (en) * | 2019-11-25 | 2020-02-14 | 广州新科佳都科技有限公司 | Self-balancing gyro wheel cable suspension device |
| RU2784257C1 (en) * | 2022-08-09 | 2022-11-23 | Федеральное государственное казённое военное образовательное учреждение высшего образования "Военная академия материально-технического обеспечения имени генерала армии А.В. Хрулева" Министерства обороны Российской Федерации | Vertical initiating screen for railway tunnel protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 330029 Jiangxi Qingshan Lake District, Castle Peak Road, private science and Technology Park Patentee after: BISEN SMART ACCESS Co.,Ltd. Address before: 330002 Private Science Park, Qingshan Lake Avenue, Nanchang, Jiangxi Patentee before: Jiangxi Bisen Door Control Equipment Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |