CN203998555U - A kind of elevator door vane device of integrated gate lock function - Google Patents
A kind of elevator door vane device of integrated gate lock function Download PDFInfo
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- CN203998555U CN203998555U CN201420347591.5U CN201420347591U CN203998555U CN 203998555 U CN203998555 U CN 203998555U CN 201420347591 U CN201420347591 U CN 201420347591U CN 203998555 U CN203998555 U CN 203998555U
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- gate lock
- driver plate
- door
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Abstract
The utility model discloses a kind of elevator door vane device of integrated gate lock function, comprise a cutter bottom deck assembly, the first blade assembly, the second blade assembly, spring and energency-unlocking assembly; On door cutter bottom deck assembly, be rotatably connected to gate lock set, the first driver plate assembly, the second driver plate assembly and the 3rd driver plate assembly, and the 3rd driver plate assembly bottom coordinates with the flange of gate lock set bottom outside; The first blade assembly upper and lower is rotatedly connected with the 3rd driver plate assembly and the first driver plate assembly respectively, and the first blade assembly top is also provided with and hits wheel assembly; The second blade assembly upper and lower is rotationally connected with gate lock set and the second driver plate assembly respectively; Spring one end is connected with door cutter bottom deck assembly, and its other end is connected with the described first blade assembly back side.The elevator door vane device of the integrated gate lock function that the utility model provides is simple in structure, good stability, and its safe reliability is high.
Description
Technical field
The utility model relates to elevator technology field, relates in particular to a kind of elevator door vane device of integrated gate lock function.
Background technology
The life to people of generally using of elevator has brought convenience, and meanwhile, the safety performance of elevator also receives publicity day by day.In China's GB, stipulate: " horizontal throw at the edge, nearest doorway of elevator hoistways inside face and car sill, car door framework or sliding door should not be greater than 0.15m.If car is equipped with the door of mechanical interlocking and can only opens in the district of unblanking of floor door, except extraordinary circumstances, the locking of gate should be automatically depended in the operation of elevator, and gate locking must have electric safety device to confirm, above-mentioned spacing is unrestricted ".
In order to meet the requirement of GB, in prior art, conventionally at hoistway inside face, add fender wall or independently gate lock is installed, need to be at each storey setting release blade, this just need to harmonize accurately to the release blade of gate lock and each floor when lift-mounting, guarantee can both open accurately gate lock at the release blade of each floor, when floor is too high, car moves up and down and has unavoidably deviation, bring larger difficulty to the installation of the release blade of each floor, also make the fault rate of gate lock significantly increase simultaneously.
In prior art, in order to reduce the difficulty of Installation and Debugging and to improve safety performance, elevator cage door lock and the set of asynchronous door cutter are arranged on gate, to form the integrated gate of elevator, lock asynchronous door lock device; But in prior art, to lock asynchronous door lock device structure very complicated for the integrated gate of elevator, and wherein mechanical linkage which controls is various, very big affect the stability that the integrated gate of elevator is locked asynchronous door lock device, safe reliability is low.
Summary of the invention
The technical problems to be solved in the utility model is, for the integrated gate of elevator in prior art, lock the above-mentioned defects such as asynchronous door lock device complex structure, poor stability and safe reliability are low, the elevator door vane device of the integrated gate lock function that a kind of simple in structure, good stability and safe reliability are high is provided.
It is as follows that the utility model solves the technical scheme that its technical matters adopts:
An elevator door vane device for integrated gate lock function, comprises a cutter bottom deck assembly, the first blade assembly, the second blade assembly, spring and energency-unlocking assembly;
On door cutter bottom deck assembly, be rotatably connected to gate lock set, the first driver plate assembly, the second driver plate assembly and the 3rd driver plate assembly, and the 3rd driver plate assembly bottom coordinates with the flange of gate lock set bottom outside;
The first blade assembly upper and lower is rotatedly connected with the 3rd driver plate assembly and the first driver plate assembly respectively, and the first blade assembly top is also provided with and hits wheel assembly;
The second blade assembly upper and lower is rotationally connected with gate lock set and the second driver plate assembly respectively;
Spring one end is connected with door cutter bottom deck assembly, and its other end is connected with the described first blade assembly back side; Energency-unlocking assembly is arranged on a cutter bottom deck assembly bottom.
The elevator door vane device of the integrated gate lock function that the utility model provides comprises a cutter bottom deck assembly, the first blade assembly, the second blade assembly, spring and energency-unlocking assembly; Wherein, the first blade assembly upper and lower is rotationally connected with door cutter bottom deck assembly by the 3rd driver plate assembly and the first driver plate assembly respectively, the second blade assembly upper and lower is respectively by forming and be rotationally connected between gate lock set and the second driver plate assembly and door cutter bottom deck assembly, and both ends of the spring is connected with the first blade assembly back side with door cutter bottom deck assembly respectively.Hence one can see that, and the elevator door vane device of integrated gate lock function described in the utility model is simple in structure, and wherein mechanical linkage which controls is few, greatly improved stability and the safe reliability of the elevator door vane device of described integrated gate lock function.
The elevator door vane device of integrated gate lock function described in the utility model is arranged on the door slide plate of a machine, under normal condition, described in not during flat bed, the elevator door vane device of integrated gate lock function is in without croquet state, gate lock set natural locking under the application force of deadweight (plays gate lock function, in the situation that not using energency-unlocking assembly, take off gate plate and cannot open gate).Described in when elevator runs to flat bed region, the elevator door vane device of integrated gate lock function is in there being croquet state, now door machine opens the door, croquet on layer door lock is between the first blade assembly and the second blade assembly, the deadweight of layer door can force croquet to promote the second blade assembly motion, the second blade assembly is by being connected with gate lock set, thereby by the second blade assembly, promote the perk of gate lock set, thereby open gate lock.Continue to open the door, when hitting wheel assembly and leave the vertex of ramp assembly, the elevator door vane device of described integrated gate lock function is returned sword under the application force of spring, thereby clamp croquet simultaneously, drives layer door to realize and opening the door together.
Door office door, when hitting wheel assembly and bump against ramp assembly, this hits wheel assembly with the gradient upward movement of ramp assembly, and this hits wheel assembly and drives the first blade assembly upward movement, thereby realizes swollen cutter.When door-closing in-place, door cutter is in there being the state of croquet, and now croquet does not act on the second blade assembly, and gate lock set is natural locking under the application force of deadweight, plays gate lock function.
Under abnomal condition, layer gate is in flat bed region, by taking off a layer door-plate, drive layer door lock to move together, thereby drive the croquet on layer door lock to promote the first blade assembly, when promoting the first blade assembly, this first blade assembly is realized sedan-chair door-lock opening by the 3rd driver plate components drive gate lock set, thereby continue to take off a door-plate realization layer sedan-chair, open the door, while taking off gate plate, realize a door machine with same principle under normal condition and open the door.
Under emergency, layer gate be not in flat bed region, by tension energency-unlocking components drive the second driver plate assembly upward movement, because the second driver plate assembly is connected with the second blade assembly, thereby by the second driver plate assembly, force the second blade assembly upward movement together, again because the second blade assembly is connected with gate lock set, by the transmission realization of power, opens gate and lock, now, taking off the realization of gate plate opens the door.
As a kind of improvement to technical scheme described in the utility model, the 3rd driver plate assembly is provided with the first mounting hole and the second mounting hole; The first turning cylinder on door cutter bottom deck assembly is located in the first mounting hole, and second turning cylinder on the first blade assembly top is located in the second mounting hole.The first turning cylinder is located in the first mounting hole, to realize being rotationally connected of the 3rd driver plate assembly and door cutter bottom deck assembly; In like manner, the second turning cylinder is located in the second mounting hole, has realized the object that the first blade assembly top and the 3rd driver plate assembly are rotatably connected; Above-mentioned such design has reduced the assembly difficulty between the 3rd driver plate assembly, door cutter bottom deck assembly and the first blade assembly top, has simplified the structure of the elevator door vane device of described integrated gate lock function.
As a kind of improvement to technical scheme described in the utility model, gate lock set is provided with the 3rd mounting hole, the 4th mounting hole and the 5th mounting hole; The 3rd turning cylinder and spacing blocking on door cutter bottom deck assembly are located in respectively in the 3rd mounting hole and the 5th mounting hole, and the 4th turning cylinder on the second blade assembly top is located in the 4th mounting hole.The 3rd turning cylinder and spacing blocking are located in respectively in the 3rd mounting hole and the 5th mounting hole, realized being rotatedly connected of door cutter bottom deck assembly and gate lock set, and the 4th turning cylinder is located in the 4th mounting hole, realized being rotationally connected of the second blade assembly top and gate lock set; In addition, above-mentioned design has reduced the assembly difficulty between door cutter bottom deck assembly, gate lock set and the second blade assembly top, has simplified the structure of the elevator door vane device of described integrated gate lock function.
As a kind of improvement to technical scheme described in the utility model, the first driver plate assembly is provided with the 6th mounting hole and the 7th mounting hole; The 5th turning cylinder on door cutter bottom deck assembly is located in the 6th mounting hole, and the 6th turning cylinder of the first blade assembly bottom is located in the 7th mounting hole.The 5th turning cylinder is located in the 6th mounting hole, realized being rotatedly connected of door cutter bottom deck assembly and the first driver plate assembly, and coordinating of the 6th turning cylinder and the 7th mounting hole realized being rotationally connected of the first blade assembly bottom and the first driver plate assembly; In addition, above-mentioned design has reduced the assembly difficulty between door cutter bottom deck assembly, the first driver plate assembly and the first blade assembly bottom, has simplified the structure of the elevator door vane device of described integrated gate lock function.
As a kind of improvement to technical scheme described in the utility model, the second driver plate assembly is provided with the 8th mounting hole and the 9th mounting hole; The 7th turning cylinder on door cutter bottom deck assembly is located in the 8th mounting hole, and the 8th turning cylinder of the second blade assembly bottom is located in the 9th mounting hole.The 7th turning cylinder coordinates with the 8th mounting hole, realized being rotationally connected of door cutter bottom deck assembly and the second driver plate assembly, and the 8th turning cylinder is located in and in the 9th mounting hole, has realized being rotatedly connected of the second blade assembly bottom and the second driver plate assembly; In addition, above-mentioned design has reduced the assembly difficulty between door cutter bottom deck assembly, the second driver plate assembly and the second blade assembly bottom, has simplified the structure of the elevator door vane device of described integrated gate lock function.
As a kind of improvement to technical scheme described in the utility model, hit wheel assembly and be connected with the first blade assembly top by being arranged on the tenth mounting hole at the first blade assembly top.Hit wheel assembly and be connected with the first blade assembly top by the tenth mounting hole, simplified the installation of hitting wheel assembly and the first blade assembly.
In addition, in the technical scheme described in the utility model, all being not specifically noted, all can be by adopting the conventional means in this area realize the technical program.
Therefore, the beneficial effects of the utility model have been to provide a kind of elevator door vane device of integrated gate lock function, and this elevator door vane device is simple in structure, good stability, and its safe reliability is high.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the elevator door vane device of the integrated gate lock function of the utility model;
Fig. 2 is the exploded view of the elevator door vane device of the integrated gate lock function of the utility model;
Fig. 3 is the door opening state figure of the elevator door vane device of the integrated gate lock function of the utility model;
Fig. 4 is the constitution diagram of closing the door of the elevator door vane device of the integrated gate lock function of the utility model;
Fig. 5 is the unlocking condition figure that opens the door of the elevator door vane device of the integrated gate lock function of the utility model;
Fig. 6 be the integrated gate lock function of the utility model elevator door vane device take off a layer door-plate unlocking condition figure;
Fig. 7 is the energency-unlocking constitution diagram of the elevator door vane device of the integrated gate lock function of the utility model;
Now that the label declaration in accompanying drawing is as follows: 1 is door cutter bottom deck assembly, 1.1 is the first turning cylinder, 1.2 is the 3rd turning cylinder, 1.3 is spacing blocking, 1.4 is the 5th turning cylinder, 1.5 is the 7th turning cylinder, 2 is the first blade assembly, 2.1 is the second turning cylinder, 2.2 is the 6th turning cylinder, 2.3 is the tenth mounting hole, 3 is the second blade assembly, 3.1 is the 4th turning cylinder, 3.2 is the 8th turning cylinder, 4 is spring, 5 is energency-unlocking assembly, 6 is gate lock set, 6.1 is flange, 6.2 is the 3rd mounting hole, 6.3 is the 4th mounting hole, 6.4 is the 5th mounting hole, 7 is the first driver plate assembly, 7.1 is the 6th mounting hole, 7.2 is the 7th mounting hole, 8 is the second driver plate assembly, 8.1 is the 8th mounting hole, 8.2 is the 9th mounting hole, 9 is the 3rd driver plate assembly, 9.1 is the first mounting hole, 9.2 is the second mounting hole, 10 for hitting wheel assembly, 11 is ramp assembly, 12 is croquet.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.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.
In the utility model preferred embodiment, an elevator door vane device for integrated gate lock function, comprises a cutter bottom deck assembly 1, the first blade assembly 2, the second blade assembly 3, gate lock set 6, the first driver plate assembly 7, the second driver plate assembly 8, the 3rd driver plate assembly 9, spring 4, energency-unlocking assembly 5 and hits wheel assembly 10.
As shown in Figure 2, above-mentioned door cutter bottom deck assembly 1 is provided with the first turning cylinder 1.1, the 3rd turning cylinder 1.2, spacing the 1.3, the 5th turning cylinder 1.4 and the 7th turning cylinder 1.5 of blocking; Above-mentioned the first blade assembly 2 is provided with the second turning cylinder 2.1, the 6th turning cylinder 2.2 and the tenth mounting hole 2.3; Above-mentioned the second blade assembly 3 is provided with the 4th turning cylinder 3.1 and the 8th turning cylinder 3.2; Above-mentioned gate lock set 6 is provided with the 3rd mounting hole 6.2, the 4th mounting hole 6.3 and the 5th mounting hole 6.4, and its bottom outside is provided with flange 6.1; Above-mentioned the first driver plate assembly 7 is provided with the 6th mounting hole 7.1 and the 7th mounting hole 7.2; Above-mentioned the second driver plate assembly 8 is provided with the 8th mounting hole 8.1 and the 9th mounting hole 8.2; Above-mentioned the 3rd driver plate assembly 9 is provided with the first mounting hole 9.1 and the second mounting hole 9.2.
As depicted in figs. 1 and 2, above-mentioned the 3rd turning cylinder 1.2 and spacing blocking 1.3 are located in respectively in above-mentioned the 3rd mounting hole 6.2 and the 5th mounting hole 6.4, realize being rotationally connected of gate lock set 6 and door cutter bottom deck assembly 1, above-mentioned the 4th turning cylinder 3.1 is located in above-mentioned the 4th mounting hole 6.3, to realize being rotationally connected of the second blade assembly 3 tops and gate lock set 6;
Above-mentioned the first turning cylinder 1.1 is located in the first mounting hole 9.1, to realize being rotationally connected of the 3rd driver plate assembly 9 and door cutter bottom deck assembly 1; Above-mentioned the second turning cylinder 2.1 is located in the second mounting hole 9.2, to realize being rotationally connected of the first blade assembly 2 tops and the 3rd driver plate assembly 9;
Above-mentioned the 5th turning cylinder 1.4 is located in the 6th mounting hole 7.1, to realize being rotatedly connected of the first driver plate assembly 7 and door cutter bottom deck assembly 1; Above-mentioned the 6th turning cylinder 2.2 is located in the 7th mounting hole 7.2, has realized being rotationally connected of above-mentioned the first blade assembly 2 bottoms and the first driver plate assembly 7;
Above-mentioned the 7th turning cylinder 1.5 is located in the 8th mounting hole 8.1, has realized being rotationally connected of the second driver plate assembly 8 and door cutter bottom deck assembly 1; Above-mentioned the 8th turning cylinder 3.2 is located in above-mentioned the 9th mounting hole 8.2, has realized being rotatedly connected of the second blade assembly 3 bottoms and the second driver plate assembly 8;
The above-mentioned wheel assembly 10 that hits is connected with above-mentioned the first blade assembly 2 tops by being arranged on the tenth mounting hole 2.3 at the first blade assembly 2 tops;
Above-mentioned spring 4 one end are connected with door cutter bottom deck assembly 1, and its other end is connected with above-mentioned first blade assembly 2 back sides; Above-mentioned energency-unlocking assembly 5 is arranged on cutter bottom deck assembly 1 bottom.
In the present embodiment, above-mentioned the 3rd driver plate assembly 9 is L-shaped, and its transverse bottom coordinates with flange 6.1; In addition, above-mentioned spring 4 is connected part between the first blade assembly 2 upper and lowers with first blade assembly 2 back sides, and such being designed with helps strengthen the reset response of spring 4, makes the motion of the first blade assembly 2 be easier to control.
The elevator door vane device of the integrated gate lock function in the present embodiment is arranged on the door slide plate of a machine, as shown in Fig. 4, Fig. 5 and Fig. 3, under normal condition, not during flat bed the elevator door vane device of this integrated gate lock function in Fig. 4 without croquet state, gate lock set 6 natural locking under the application force of deadweight (plays gate lock function, in the situation that not using energency-unlocking assembly 5, take off gate plate and cannot open gate).When elevator runs to flat bed region the elevator door vane device of this integrated gate lock function in Fig. 4 have croquet state time, now door machine opens the door, croquet on layer door lock is between the first blade assembly 2 and the second blade assembly 3, the deadweight of layer door can force croquet to promote the second blade assembly 3 motions, the second blade assembly 3 is by being connected with gate lock set 6, thereby by the second blade assembly 3, promote 6 perks of gate lock set, thereby open gate lock.Continue to open the door, when hitting wheel assembly 10 and leave the vertex of ramp assembly 11, the elevator door vane device of this integrated gate lock function is returned sword under the application force of spring 4, thereby clamp croquet 12 simultaneously, drives layer door to realize and opening the door together.
Door office door, when hitting wheel assembly 10 and bump against ramp assembly 11, this hits wheel assembly 10 with the gradient upward movement of ramp assembly 11, and this hits wheel assembly 10 and drives the first blade assembly 2 upward movements, thereby realizes swollen cutter.When door-closing in-place, the state that have croquet of door cutter in Fig. 4, now croquet 12 does not act on the second blade assembly 3, and gate lock set 6 is natural locking under the application force of deadweight, plays gate lock function.
Under abnomal condition, layer gate is in flat bed region, as shown in Figure 5 and Figure 6, by taking off a layer door-plate, drive layer door lock to move together, thereby drive the croquet 12 on layer door lock to promote the first blade assembly 2, when promoting the first blade assembly 2, this first blade assembly 2 promotes gate lock set 6 by the 3rd driver plate assembly 9 and realizes sedan-chair door-lock opening, thereby continue to take off a door-plate realization layer sedan-chair, opens the door, while taking off gate plate, realize door machine with same principle under normal condition and open the door.
Under emergency, as shown in Figure 7, layer gate be not in flat bed region, by tension energency-unlocking assembly 5, promote the second driver plate assembly 8 upward movements, because the second driver plate assembly 8 is connected with the second blade assembly 3, thereby force the second blade assembly 3 upward movement together by the second driver plate assembly 8, again because the second blade assembly 3 is connected with gate lock set 6, by the transmission realization of power, open gate and lock, now, take off the realization of gate plate and open the door.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (6)
1. an elevator door vane device for integrated gate lock function, is characterized in that, comprises a cutter bottom deck assembly (1), the first blade assembly (2), the second blade assembly (3), spring (4) and energency-unlocking assembly (5);
On described door cutter bottom deck assembly (1), be rotatably connected to gate lock set (6), the first driver plate assembly (7), the second driver plate assembly (8) and the 3rd driver plate assembly (9), and described the 3rd driver plate assembly (9) bottom coordinates with the flange (6.1) of described gate lock set (6) bottom outside;
Described the first blade assembly (2) upper and lower is rotatedly connected with the 3rd driver plate assembly (9) and the first driver plate assembly (7) respectively, and described the first blade assembly (2) top is also provided with and hits wheel assembly (10);
Described the second blade assembly (3) upper and lower is rotationally connected with gate lock set (6) and the second driver plate assembly (8) respectively;
Described spring (4) one end is connected with door cutter bottom deck assembly (1), and its other end is connected with described the first blade assembly (2) back side; Described energency-unlocking assembly (5) is arranged on described door cutter bottom deck assembly (1) bottom.
2. the elevator door vane device of integrated gate lock function according to claim 1, is characterized in that, described the 3rd driver plate assembly (9) is provided with the first mounting hole (9.1) and the second mounting hole (9.2); The first turning cylinder (1.1) on described door cutter bottom deck assembly (1) is located in described the first mounting hole (9.1), and second turning cylinder (2.1) on described the first blade assembly (2) top is located in described the second mounting hole (9.2).
3. the elevator door vane device of integrated gate lock function according to claim 1, is characterized in that, described gate lock set (6) is provided with the 3rd mounting hole (6.2), the 4th mounting hole (6.3) and the 5th mounting hole (6.4); The 3rd turning cylinder (1.2) and spacing blocking (1.3) on described door cutter bottom deck assembly (1) are located in respectively in described the 3rd mounting hole (6.2) and the 5th mounting hole (6.4), and the 4th turning cylinder (3.1) on described the second blade assembly (3) top is located in described the 4th mounting hole (6.3).
4. the elevator door vane device of integrated gate lock function according to claim 1, is characterized in that, described the first driver plate assembly (7) is provided with the 6th mounting hole (7.1) and the 7th mounting hole (7.2); The 5th turning cylinder (1.4) on described door cutter bottom deck assembly (1) is located in described the 6th mounting hole (7.1), and the 6th turning cylinder (2.2) of described the first blade assembly (2) bottom is located in described the 7th mounting hole (7.2).
5. the elevator door vane device of integrated gate lock function according to claim 1, is characterized in that, described the second driver plate assembly (8) is provided with the 8th mounting hole (8.1) and the 9th mounting hole (8.2); The 7th turning cylinder (1.5) on described door cutter bottom deck assembly (1) is located in described the 8th mounting hole (8.1), and the 8th turning cylinder (3.2) of described the second blade assembly (3) bottom is located in described the 9th mounting hole (8.2).
6. the elevator door vane device of integrated gate lock function according to claim 1, it is characterized in that, described in hit wheel assembly (10) and be connected with described the first blade assembly (2) top by being arranged on the tenth mounting hole (2.3) at described the first blade assembly (2) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347591.5U CN203998555U (en) | 2014-06-27 | 2014-06-27 | A kind of elevator door vane device of integrated gate lock function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347591.5U CN203998555U (en) | 2014-06-27 | 2014-06-27 | A kind of elevator door vane device of integrated gate lock function |
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| Publication Number | Publication Date |
|---|---|
| CN203998555U true CN203998555U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420347591.5U Expired - Fee Related CN203998555U (en) | 2014-06-27 | 2014-06-27 | A kind of elevator door vane device of integrated gate lock function |
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| CN (1) | CN203998555U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098011A (en) * | 2014-06-27 | 2014-10-15 | 蓝马新材料科技（苏州）有限公司 | Lift door knife device integrating function of car door lock |
| CN104760874A (en) * | 2015-03-26 | 2015-07-08 | 广州广日电梯工业有限公司 | Asynchronous door vane of elevator door |
| US11286134B2 (en) | 2018-05-09 | 2022-03-29 | Otis Elevator Company | Elevator car door coupling systems |
-
2014
- 2014-06-27 CN CN201420347591.5U patent/CN203998555U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098011A (en) * | 2014-06-27 | 2014-10-15 | 蓝马新材料科技（苏州）有限公司 | Lift door knife device integrating function of car door lock |
| CN104098011B (en) * | 2014-06-27 | 2016-08-17 | 朝闻电梯装备科技（苏州）有限公司 | A kind of elevator door vane device of integrated car door lock function |
| CN104760874A (en) * | 2015-03-26 | 2015-07-08 | 广州广日电梯工业有限公司 | Asynchronous door vane of elevator door |
| US11286134B2 (en) | 2018-05-09 | 2022-03-29 | Otis Elevator Company | Elevator car door coupling systems |
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| 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: 20141210 Termination date: 20160627 |