CN101994467A - Double-purpose window with functions of theft resistance and escape - Google Patents
Double-purpose window with functions of theft resistance and escape Download PDFInfo
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- CN101994467A CN101994467A CN 201010540443 CN201010540443A CN101994467A CN 101994467 A CN101994467 A CN 101994467A CN 201010540443 CN201010540443 CN 201010540443 CN 201010540443 A CN201010540443 A CN 201010540443A CN 101994467 A CN101994467 A CN 101994467A
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Abstract
The invention relates to a double-purpose window with the functions of theft resistance and escape, which is characterized in that the window body comprises a front frame and a rear frame, wherein a top fence and a bottom fence are arranged between the front frame and the rear frame; a front-face fence is arranged in the front frame; the window body is fixed on a wall body through the rear frame; the left and the right sides of the window body are respectively provided with a No.1 fence door and a No.2 fence door; the No.1 fence door and the No.2 fence door are respectively and flexibly connected between the front frame and the rear frame on the side; the No.1 fence door is open, is in a horizontal state and is supported through the bracket fixed on the wall body so as to form a platform; the No.2 fence door is open and in a pendulous state to form an escape ladder; and the No.1 fence door and the No.2 fence door are respectively connected to the corresponding positions of the window body through an electric lock. The invention improves the common convex type anti-theft window so as to have the anti-theft function and form the escape ladder and the platform after being expanded, utilizes the bottom fence of the window as a transition channel so as to open an escape channel on the external wall body of a building, and is not required to be provided with an additional escape tool to solve the escape problem when a high-rise building is on fire.
Description
Technical field
The present invention relates to the dual-purpose window of antitheft escape.
Background technology
Fire-fighting technology worker and fire fighter, have also carried out developing comparatively widely and developing to high-rise buoyant apparatus through hard effort for many years when constantly improving the fire prevention to high buildings design specifications both at home and abroad.But the buoyant apparatus and the instrument of exploitation all need optional equipment at present, and cost is higher, in addition owing to reasons such as installation question, time-based maintenances, is difficult to come into common people door.The esidential building of China is equipped with the more of burglary-resisting window, and personnel can't open because of burglary-resisting window and be trapped within doors in the fire, and the miserable scene of can not escaping not rescue also has generation.China Patent No. is that 99217670.0 utility model patent manual discloses a kind of burglary-resisting window that has emergent unlocking device, form by fixed frame, burglar bars, its burglar bars has security door, security door and burglar bars doorframe are movingly, security door one end flexibly connects by auxiliary connection and antitheft cupboard doorframe, and its other end is sealed by locking mechanism and burglar bars doorframe.Though above-mentioned utility model can be when running into the accident situation, the security door after it is opened can the free sagging ladder that is, the people can hide on ladder, though improved degree of safety, but still need to escape by buoyant apparatus and instrument.
Summary of the invention
The objective of the invention is to propose a kind of dual-purpose window of antitheft easily and fast escape of opening, after corresponding up and down each layer window of building all opened, then can form passway for escaping.
For achieving the above object, one of technical scheme that the present invention takes is as follows.
Forms of the present invention have preceding frame, after-frame, be provided with top fence and bottom fence between preceding frame and the after-frame, be provided with the front fence in the preceding frame, forms are fixed on the body of wall by after-frame, the left and right sides of described forms is respectively equipped with No. 1 lattice door and No. 2 lattice doors, No. 1 lattice door and No. 2 lattice doors be automatically connected in the place side before, between the after-frame, No. 1 lattice door is opened horizontal by the stent support that is fixed on the body of wall, thereby formation platform, No. 2 lattice doors are opened and are sagging shape formation Emergency Ladder, and described No. 1 lattice door and No. 2 lattice doors respectively are connected on the corresponding site of forms by electric lock.
The lower end of described No. 1 lattice door is automatically connected between the forward and backward frame of place side by No. 1 bearing pin.
Described No. 2 lattice doors are convertible, and the lower end of No. 2 lattice doors is automatically connected between the forward and backward frame of place side by No. 2 bearing pins.
Described No. 2 lattice doors are connected by No. 3 bearing pins by No. 2 lattice doors of No. 2 lattice doors of first segment and second joint, No. 2 lattice doors in off position down, No. 2 lattice doors of second joint cover on the fence of top, No. 2 lattice doors are under open mode, No. 2 lattice doors of second joint are in the bottom of No. 2 lattice doors of first segment, and its lower side can not be less than 400mm with the lower floor's reveal platform distance under it.
Described No. 2 lattice doors are portable, and the both sides of No. 2 lattice doors respectively are provided with the guiding raised line, and the forward and backward frame of place side respectively is provided with guide groove, and the guiding raised line of described No. 2 lattice doors cooperates with guide groove, make the guide groove slippage along forward and backward frame of No. 2 lattice doors.
Described electric lock has housing and hook-type dead bolt, and the hook-type dead bolt is connected on the housing by bearing pin, and bearing pin is provided with torsion spring, the electromagnet that also is provided with reserve battery and electronic control module and is in hook-type dead bolt rear side in the housing; The front end of the slip parallels of electromagnet connects a push rod, and the slip parallels is provided with spring, and when push rod was in overhanging state, the rear portion of hook-type dead bolt was withstood in its front portion, and the hook-type dead bolt is locked; Electromagnet is by external power source or the power supply of described reserve battery, and electronic control module receives power supply signal, connects power supply, and electromagnet gets electric, contracts behind the push rod, and the revolution of hook-type dead bolt breaks away from snap close.
Described hook-type dead bolt is fixedlyed connected with bearing pin, and bearing pin and housing are dynamically connected, and an end of bearing pin stretches out housing, and is fixed with manual knob on this external part.
Described electric lock has housing, bar shaped dead bolt and rotor plate, the bottom of rotor plate is connected on the housing by bearing pin, bearing pin is provided with torsion spring, the upper end of rotor plate and rear end are respectively equipped with guide finger and fore-set, the bar shaped dead bolt is provided with kidney slot, guide finger inserts in the kidney slot of bar shaped dead bolt, the electromagnet that also is provided with reserve battery, electronic control module and is in the rotor plate rear side in the housing, the slip parallels of electromagnet connects a push rod, the slip parallels is provided with spring, when push rod was in overhanging state, the front end of push rod withstood the fore-set on the rotor plate, and the bar shaped dead bolt is locked; Electromagnet is by the power supply of external power source or described reserve battery, and electronic control module receives power supply signal, connects power supply, and electromagnet gets electric, contracts behind the push rod, and the rotor plate revolution drives contracts behind the Bar lock tongue and snap close breaks away from.
In the described housing and the both sides that are in the bar shaped dead bolt respectively are provided with the dead bolt guide pad with gathering sill, and the bar shaped dead bolt is provided with the manual driving lever that stretches out housing.
Described housing is provided with audible-visual annunciator.
The present invention has following good effect: 1, the present invention improves common male type burglary-resisting window, not only has anti-theft feature, after expansion, form Emergency Ladder and platform, the bottom fence that utilizes window is as transition passage, Emergency Ladder, platform, transition passage, Emergency Ladder successively connect like this, on building outer wall, open up a passway for escaping, do not need the optional equipment escaping tool, the escape problem in the time of just can solving the high-rise building breaking out of fire.
The electric lock of the present invention configuration promotes the dead bolt running by electromagnet, and without key, electromagnet can Long-distance Control, opens quick and conveniently, simple in structure, and under normal circumstances, dead bolt is locked, and theftproof performance is safe and reliable, and not power consumption under normal circumstances.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, according to specific embodiment also in conjunction with the accompanying drawings, the present invention is further detailed explanation below.
Fig. 1 is a front view of the present invention.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the C-C sectional view of Fig. 1.
Fig. 5 is the D-D sectional view of Fig. 1.
Fig. 6 is the end face diagrammatic sketch of embodiment 1.
Fig. 7 is the open mode diagrammatic sketch of embodiment 1.
Fig. 8 is the lateral view of Fig. 7.
Fig. 9 is the open mode diagrammatic sketch of embodiment 2.
Figure 10 is the lateral view of Fig. 9.
Figure 11 is No. 2 lattice door diagrammatic sketch among Figure 10.
Figure 12 is a kind of electric lock structure chart.
Figure 13 is the vertical view of Figure 12.
Figure 14 is another kind of electric lock structure chart.
Figure 15 is the vertical view of Figure 14.
Figure 16 is the third electric lock structure chart.
The specific embodiment
Fig. 1 to Fig. 8, the shown dual-purpose window of antitheft escape comprises the male type forms, and forms have preceding frame 3 and after-frame 4, before be provided with top fence 3-2 and bottom fence 3-3 between frame 3 and the after-frame 4, before and after the direction of forming the grizzly bar of top fence and forming the grizzly bar of bottom fence all is to.Be provided with front fence 3-1 in the preceding frame 3, forms are fixed on the body of wall 5 by after-frame 4.The left and right sides of forms is respectively equipped with No. 1 lattice door 1 and No. 2 lattice doors 2.Wherein the grizzly bar 2-0 of No. 2 lattice doors 2 is that front and back are to horizontally disposed.
The lower end of described No. 1 lattice door is connected between the forward and backward frame 3,4 of place side by No. 1 bearing pin 8, on the fence of the top of forms, be provided with electric lock 7, the top of described No. 1 lattice door 1 is provided with snap close, and the top that electric lock 7 is connected with the snap close of described No. 1 lattice door 1 No. 1 lattice door 1 and forms is connected.No. 1 lattice door 1 is opened and is horizontally supported by the support 6 that is fixed on the body of wall 5, thereby forms platform.
Described No. 2 lattice doors are convertible, and the lower end of No. 2 lattice doors is connected between the forward and backward frame 3,4 of place side by No. 2 bearing pins 9, and No. 2 lattice door upsets are sagging shape and form Emergency Ladder.No. 2 lattice doors of present embodiment are lengthening lattice door (seeing Fig. 6 to Fig. 8), be connected by No. 3 bearing pin 2-3 by No. 2 lattice door 2-2 of No. 2 lattice door 2-1 of first segment and second joint, No. 2 lattice doors 2 in off position down, No. 2 lattice door 2-2 of second joint are in the top of No. 2 lattice door 2-1 of first segment, No. 2 lattice door 2-2 of second joint cover on the fence of top, No. 2 lattice doors 2 are under open mode, No. 2 lattice door 2-2 of second joint are in the bottom of No. 2 lattice door 2-1 of first segment, the lower side of No. 2 lattice door 2-2 of second joint can make a people pass through with the lower floor's reveal platform distance h under it, distance h is too little, the people can't pass, do not form passway for escaping, distance h can not be less than 400mm.Be provided with 1～2 on the fence of the top of forms No. 2 lattice door 2-2 of electric lock 7, the second joint are provided with the snap close corresponding with electric lock 7, the top that is connected with second snap close that saves No. 2 lattice door 2-2 No. 2 lattice doors 2 and forms when electric lock 7 is connected.
See Figure 12 and Figure 13, described electric lock 7 has housing 7-1 and hook-type dead bolt 7-5.The Lower Half of described hook-type dead bolt 7-5 is a circular arc, and the rear side of the first half is a plane, and the front side of the first half has groove and forms hook-type.Hook-type dead bolt 7-5 is connected on the housing 7-1 by bearing pin 7-9, and bearing pin 7-9 is provided with torsion spring 7-8, and torsion spring 7-8 one end is connected on the hook-type dead bolt 7-5, and the other end is fixed on the housing.The electromagnet 7-2 that also is provided with reserve battery 7-6, electronic control module 7-7, audible-visual annunciator 7-14 in the housing 7-1 and is in hook-type dead bolt 7-5 rear side.Electromagnet 7-2 is fixed by the plate washer 7-3 that is in electromagnet 7-2 side and be fixed on the housing, and the front end of the slip parallels of electromagnet 7-2 connects a push rod 7-4, and push rod 7-4 is by the support 7-11 supporting that is fixed on the housing, and the slip parallels is provided with spring 7-10.Described hook-type dead bolt 7-5 is fixedlyed connected with bearing pin 7-9, and bearing pin 7-9 and housing 7-1 are dynamically connected or are dynamically connected by support and the housing 7-1 that is fixed on the housing 7-1.The end of bearing pin 7-9 stretches out housing 7-1, and is fixed with manual knob 7-12 on this external part.Be fixed with installing plate 13 on the housing 7-1, electric lock 7 is installed on the forms by housing 7-1 and installing plate 7-13.
Under the normal condition, electromagnet 7-2 must not be electric, and push rod 7-4 is in overhanging state, and hook-type dead bolt 7-5 stretches out, and the platform at the rear portion of hook-type dead bolt 7-5 is withstood in the front portion of push rod 7-4, overcomes the elastic force of torsion spring 7-8, and hook-type dead bolt 7-5 is in the locking that shuts.No. 2 lattice door 2-2 hangs on the hook-type dead bolt 7-5 by snap close.Electromagnet 7-2 is by external power source or internal backup battery 7-6 power supply, and 7-7 receives power supply signal when electronic control module, connects power supply, and electromagnet gets electric, contracts behind the push rod 7-4, and hook-type dead bolt 7-5 breaks away from torsion spring 7-8 effect turning down and snap close, realizes unblanking.After unblanking, electromagnet is a dead electricity, and push rod 7-4 protracts, and withstands on the arc surface of hook-type dead bolt 7-5.When needs are closed No. 1 lattice door 2-1 and No. 2 lattice door 2-2, No. 1 lattice door 2-1 or No. 2 lattice door 2-2 are closed, rotation manual knob 7-12, hook-type dead bolt 7-5 rotation promotes to contract behind the push rod 7-4, the thrust that is subjected to as push rod 7-4 disappears, eject under spring 7-10 effect, be pressed on the back facial planes of hook-type dead bolt, hook-type dead bolt 5 stretches out again and hooks snap close.
See Fig. 9 to Figure 11, described No. 2 lattice doors are portable, and the both sides of No. 2 lattice doors 2 respectively are provided with guiding raised line 2-4, and the forward and backward frame of place side respectively is provided with guide groove, the guiding raised line of described No. 2 lattice doors cooperates with guide groove, makes the guide groove slippage along forward and backward frame of No. 2 lattice doors 2.Be provided with electric lock on the fence of the top of forms, the top of No. 2 lattice doors is provided with snap close.The top that electric lock is connected with the snap close of described No. 2 lattice doors No. 2 lattice doors 2 and forms is connected.All the other are identical with embodiment 1.
See Figure 14 and Figure 15, the used electric lock 7 of present embodiment has housing 7-1, bar shaped dead bolt 7-15 and rotor plate 7-16.The bottom of rotor plate 7-16 is connected on the housing 7-1 by bearing pin 7-19, bearing pin 7-19 is provided with torsion spring 1-18, the upper end of rotor plate 7-16 and rear end are respectively equipped with guide finger 7-20 and fore-set 7-17, bar shaped dead bolt 7-15 is provided with kidney slot 7-15-1, guide finger 7-20 inserts among the kidney slot 7-15-1 of bar shaped dead bolt 7-15, the electromagnet 7-2 that also is provided with reserve battery 7-6, electronic control module 7-7, audible-visual annunciator 7-14 in the housing 7-1 and is in rotor plate 7-16 rear side, the front end of the slip parallels of electromagnet 7-2 connects a push rod 7-4, and the slip parallels is provided with spring 7-10.When push rod 7-4 was in overhanging state, the front end of push rod 7-4 withstood the fore-set 7-17 on the rotor plate 7-16, and 7-15 is locked for the bar shaped dead bolt; Electromagnet 7-2 is by external power source or internal backup battery 7-6 power supply, and electronic control module 7-7 receives power supply signal, connects power supply, electromagnet 7-2 gets, contract behind the push rod 7-4, rotor plate 7-16 is in torsion spring 1-18 effect turning down, drives to contract behind the bar shaped dead bolt 7-15 and snap close breaks away from.In the housing 7-1 and the both sides that are in bar shaped dead bolt 7-15 respectively are provided with the dead bolt guide pad 7-22 with gathering sill, and bar shaped dead bolt 7-15 moves along two dead bolt guide pad 7-22, and bar shaped dead bolt 7-15 is provided with the manual driving lever 7-23 that stretches out housing.Be fixed with installing plate 7-13 on the housing 7-1, electric lock 7 is installed on the forms by housing 7-1 and installing plate 13.All the other are identical with embodiment 1.
See Figure 16, in the foregoing description, can not adopt torsion spring, but on lock housing 7-1 and the rear that is in bar shaped dead bolt 7-15 be fixed with fixed leg 7-24, be connected with a back-moving spring 7-21 between the rear end of bar shaped dead bolt 7-15 and the fixed leg 7-24, this back-moving spring 7-21 replaces the function of above-mentioned torsion spring.
The above embodiment of the present invention only is for example of the present invention clearly is described, for those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description, as No. 2 lattice doors among the present invention can be the convertible lattice door that does not extend, in the various embodiments described above, two kinds of electric locks can be selected wherein a kind of, no longer all embodiments are given an example here.
See Fig. 7 to Figure 10, the present invention is when using, and the building platform and the Emergency Ladder of corresponding antitheft escape window up and down is alternate setting, and promptly the platform of last layer is arranged on the left side of antitheft escape window, then descends the platform of one deck to be arranged on the right side of antitheft escape window.The control of electric lock can be selected and the control center interlock that disappears, and directly controlled by smoke detector.Control circuit is carrier design with the single-chip microcomputer.
Work as breaking out of fire, electric lock is unblanked also can manually unblank by control circuit, and audible-visual annunciator sends chimes of doom and illumination light, indication trapped personnel passway for escaping.No. 1 lattice door and No. 2 lattice doors of the dual-purpose window of all antitheft escapes all are opened, the safety ladder that is formed by No. 2 lattice doors of the dual-purpose window of antitheft escape of last layer, the transition passage that forms of the bottom fence of the platform that forms of No. 1 lattice door of the dual-purpose window of the antitheft escape of one deck and the dual-purpose window of the antitheft escape of this floor is formed one deck passway for escaping down, passway for escaping successively connects, promptly formed a complete passway for escaping, personnel can be along the straight-through ground of passway for escaping.
Claims (10)
1. dual-purpose window of antitheft escape, forms have preceding frame (3), after-frame (4), be provided with top fence and bottom fence between preceding frame (3) and the after-frame (4), be provided with front fence (3-1) in the preceding frame (3), forms are fixed on the body of wall (5) by after-frame (4), it is characterized in that: the left and right sides of described forms is respectively equipped with No. 1 lattice door (1) and No. 2 lattice doors (2), No. 1 lattice door (1) and No. 2 lattice doors (2) be automatically connected in the place side before, after-frame (3,4) between, No. 1 lattice door (1) is opened horizontal by support (6) support that is fixed on the body of wall, thereby formation platform, No. 2 lattice doors (2) are opened and are sagging shape formation Emergency Ladder, and described No. 1 lattice door (1) and No. 2 lattice doors (2) respectively are connected on the corresponding site of forms by electric lock (7).
2. the dual-purpose window of antitheft escape according to claim 1 is characterized in that: the lower end of described No. 1 lattice door is automatically connected between the forward and backward frame (3,4) of place side by No. 1 bearing pin (8).
3. the dual-purpose window of antitheft escape according to claim 2 is characterized in that: described No. 2 lattice doors are convertible, and the lower end of No. 2 lattice doors is automatically connected between the forward and backward frame (3,4) of place side by No. 2 bearing pins (9).
4. the dual-purpose window of antitheft escape according to claim 3, it is characterized in that: described No. 2 lattice doors (2) are connected by No. 3 bearing pins (2-3) with second No. 2 lattice doors of joint (2-2) by No. 2 lattice doors of first segment (2-1), No. 2 lattice doors (2) in off position down, second No. 2 lattice doors of joint (2-2) cover on the fence of top, No. 2 lattice doors (2) are under open mode, second No. 2 lattice doors of joint (2-2) are in the bottom of No. 2 lattice doors of first segment (2-1), and its lower side can not be less than 400mm with the lower floor's reveal platform distance (h) under it.
5. the dual-purpose window of antitheft escape according to claim 2, it is characterized in that: described No. 2 lattice doors (2) are for portable, the both sides of No. 2 lattice doors (2) respectively are provided with guiding raised line (2-4), the forward and backward frame of place side respectively is provided with guide groove, the guiding raised line (2-4) of described No. 2 lattice doors (2) cooperates with guide groove, makes the guide groove slippage of No. 2 lattice doors (2) along forward and backward frame (3,4).
6. the dual-purpose window of antitheft escape according to claim 1, it is characterized in that: described electric lock (7) has housing (7-1) and hook-type dead bolt (7-5), hook-type dead bolt (7-5) is connected on the housing (7-1) by bearing pin (7-9), bearing pin (7-9) is provided with torsion spring (7-8), the electromagnet (7-2) that also is provided with reserve battery (7-6) and electronic control module (7-7) in the housing (7-1) and is in hook-type dead bolt (7-5) rear side; The front end of the slip parallels of electromagnet (7-2) connects a push rod (7-4), and the slip parallels is provided with spring (7-10), and when push rod (7-4) was in overhanging state, the rear portion of hook-type dead bolt (7-5) was withstood in its front portion, and (7-5) is locked for the hook-type dead bolt; Electromagnet (7-2) is by external power source or described reserve battery (7-6) power supply, and electronic control module (7-7) receives power supply signal, connects power supply, and electromagnet gets electric, contracts behind the push rod (7-4), and hook-type dead bolt (7-5) revolution breaks away from snap close.
7. the dual-purpose window of antitheft escape according to claim 6, it is characterized in that: described hook-type dead bolt (7-5) is fixedlyed connected with bearing pin (7-9), bearing pin (7-9) is dynamically connected with housing (7-1), one end of bearing pin (7-9) stretches out housing (7-1), and is fixed with manual knob (7-12) on this external part.
8. the dual-purpose window of antitheft escape according to claim 1, it is characterized in that: described electric lock (7) has housing (7-1), bar shaped dead bolt (7-15) and rotor plate (7-16), the bottom of rotor plate (7-16) is connected on the housing (7-1) by bearing pin (7-19), bearing pin (7-19) is provided with torsion spring (7-18), the upper end of rotor plate (7-16) and rear end are respectively equipped with guide finger (7-20) and fore-set (7-17), bar shaped dead bolt (7-15) is provided with kidney slot (7-15-1), guide finger (7-20) inserts in the kidney slot (7-15-1) of bar shaped dead bolt (7-15), also be provided with reserve battery (7-6) in the housing (7-1), electronic control module (7-7) and the electromagnet (7-2) that is in rotor plate (7-16) rear side, the slip parallels of electromagnet (7-2) connects a push rod (7-4), the slip parallels is provided with spring (7-10), when push rod (7-4) is in overhanging state, the front end of push rod (7-4) withstands the fore-set (7-17) on the rotor plate (7-16), and (7-15) is locked for the bar shaped dead bolt; Electromagnet (7-2) is by external power source or described reserve battery (7-6) power supply, electronic control module (7-7) receives power supply signal, connects power supply, electromagnet (7-2), contract behind the push rod (7-4), rotor plate (7-16) revolution drives contracts behind the Bar lock tongue (7-15) and snap close breaks away from.
9. the dual-purpose window of antitheft escape according to claim 8, it is characterized in that: in the described housing (7-1) and the both sides that are in bar shaped dead bolt (7-15) respectively are provided with the dead bolt guide pad (7-22) with gathering sill, and bar shaped dead bolt (7-15) is provided with the manual driving lever (7-23) that stretches out housing.
10. according to claim 6 or the dual-purpose window of 8 described antitheft escapes, it is characterized in that: described housing (7-1) is provided with audible-visual annunciator (7-14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105404431A CN101994467B (en) | 2010-11-11 | 2010-11-11 | Double-purpose window with functions of theft resistance and escape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105404431A CN101994467B (en) | 2010-11-11 | 2010-11-11 | Double-purpose window with functions of theft resistance and escape |
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| Publication Number | Publication Date |
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| CN101994467A true CN101994467A (en) | 2011-03-30 |
| CN101994467B CN101994467B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105404431A Expired - Fee Related CN101994467B (en) | 2010-11-11 | 2010-11-11 | Double-purpose window with functions of theft resistance and escape |
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| CN104200549A (en) * | 2014-08-28 | 2014-12-10 | 绵阳市绵州通有限责任公司 | Method for using access control system |
| CN104200550A (en) * | 2014-08-28 | 2014-12-10 | 绵阳市绵州通有限责任公司 | Access control system |
| CN106014162A (en) * | 2016-06-24 | 2016-10-12 | 桐城市丽琼金属制品有限公司 | Burglary-resisting window provided with escape ladder |
| CN106351553A (en) * | 2016-08-30 | 2017-01-25 | 李劲松 | Emergency evacuation barrier |
| CN113529928A (en) * | 2021-07-26 | 2021-10-22 | 广东善建建设股份有限公司 | Mounting structure of prefabricated building and construction method thereof |
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| CN106014162A (en) * | 2016-06-24 | 2016-10-12 | 桐城市丽琼金属制品有限公司 | Burglary-resisting window provided with escape ladder |
| CN106351553A (en) * | 2016-08-30 | 2017-01-25 | 李劲松 | Emergency evacuation barrier |
| CN106351553B (en) * | 2016-08-30 | 2018-06-12 | 李劲松 | Emergency escape guardrail |
| CN113529928A (en) * | 2021-07-26 | 2021-10-22 | 广东善建建设股份有限公司 | Mounting structure of prefabricated building and construction method thereof |
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|---|---|
| CN101994467B (en) | 2012-05-23 |
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