AU2015416443A1 - Bilateral circulation slope escalator - Google Patents
Bilateral circulation slope escalator Download PDFInfo
- Publication number
- AU2015416443A1 AU2015416443A1 AU2015416443A AU2015416443A AU2015416443A1 AU 2015416443 A1 AU2015416443 A1 AU 2015416443A1 AU 2015416443 A AU2015416443 A AU 2015416443A AU 2015416443 A AU2015416443 A AU 2015416443A AU 2015416443 A1 AU2015416443 A1 AU 2015416443A1
- Authority
- AU
- Australia
- Prior art keywords
- guide rail
- supporting
- escalator
- pedals
- walkway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/02—Driving gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/08—Carrying surfaces
- B66B23/12—Steps
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- Types And Forms Of Lifts (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
Disclosed is a bilateral circulation slope escalator, comprising an ascending walkway (1), a descending walkway (2), slope escalator pedals (3), a driving device (4), a truss (5), boarding platforms (6), a handrail system (7), and a guide rail system (8). The slope escalator pedals (3) are formed by serially connecting a plurality of supporting pedals (12) via a shaft coupling device (11); a supporting main shaft (17) is provided below the supporting pedals (12); and driving toothed plates (10) are provided on two sides of the supporting pedals (12). The guide rail system (8) comprises three cylindrical guide rails disposed on two guide rail frames respectively. The driving device (4) is arranged right below the guide rail system (8) and is a multi-level drive. The handrail system (7) is driven by the driving toothed plates (10) of the slope escalator pedals (3). By meshing the driving device (4) with the driving toothed plates (10), the bilateral circulation slope escalator is driven to operate circularly, the number of slope escalator pedals (3) is reduced, and the weight and cost of the escalator are reduced.
Description
Bilateral Circulation Slope Escalator
Field of the Invention
The present invention relates to a slope escalator, in particular to a bilateral circulation slope escalator for long-range bidirectional personnel conveying, which is applicable to mine roadway or special building complexes and terrains.
Background of the Invention
The present situation of existing escalators and moving sidewalks is: each escalator is a conveying system that operates separately and can only convey in one direction, i.e., in ascending direction or descending direction. Consequently, during operation, only the slope escalator pedals turned to the upper surface of the slope escalator can be used to carry and convey passengers, while the slope escalator pedals turned to the bottom surface of the slope escalator are usually circulated in a no-load state in the slope escalator. Namely, the existing unidirectional conveying slope escalators can only operate in one direction at a time, and the steps can't be used to convey passengers when then are in the return state. That means half of the step pedals are always kept in a no-load operation state. For special building complexes or complex terrains where long-range conveying is required (e.g., in mine roadways), multiple slope escalators have to be used to realize a continuous long-range conveying system, resulting in considerable energy waste. Therefore, it is imperative to carry out energy-saving reconstruction for slope escalators to reduce unnecessary waste.
Conventional escalators and moving sidewalks employ an up-down overturn scheme. Consequently, the steps in the working section are exposed, and half of the idle steps in their return state after overturning occupy half of the space.
Most existing escalators and moving sidewalks employ an end-driving scheme. However, for long-range slope conveying, the power of the driving motor has to be increased, and requirement for the rigidity of the system component is increased; besides, the tension acting on the escalator will be increased as the height is increased.
Contents of the Invention
Technical problem: to overcome the drawbacks in the prior art, the present invention provides a bilateral circulation slope escalator applicable to mine roadways or special building complexes. The bilateral circulation slope escalator utilizes driving machines to realize long-range bilateral circulated conveying, can replace existing unidirectional conveying slope escalators and thereby can save energy, reduce waste and improve conveying efficiency.
Technical scheme: the bilateral circulation slope escalator provided in the present invention comprises an ascending walkway, a descending walkway, slope escalator pedals, a driving device, a truss, boarding platforms, a handrail system, and a guide rail system; A guide rail bracket is provided under the slope escalator pedals, the slope escalator pedals are formed by a plurality of supporting pedals connected serially via a shaft coupling device, a main supporting shaft is provided under the supporting pedal, lateral supporting shafts are provided at front side and back side of the main supporting shaft in the same horizontal plane as the main supporting shaft, supporting rollers are provided in the middle part of each of the two lateral supporting shafts respectively, driving toothed plates are provided on the two sides of the supporting pedal respectively, toothed racks are provided on upper end surface and lower end surface of the driving toothed plate, and the toothed rack provided on the lower end surface is meshed with a driving chain of the driving device; the toothed rack on the upper end surface is meshed with a driving gear of the handrail system, a main shaft bearing that matches with the fixed main supporting shaft is provided on the driving toothed plate, three roller shafts are provided on the two sides and lower part of the main shaft bearing and arranged in a triangular layout, and an end roller is provided on each of the roller shafts;
The guide rail bracket comprises two guide rail supports with slots arranged opposite to each other, angle steel pieces are welded between the opposite slots at the bottom to connect the slots together, and triangular plates and bolts are provided at the two sides of the angle steel piece to fix the guide rail support;
The guide rail system comprises three cylindrical guide rails arranged on the two guide rail brackets under the slope escalator pedals of the ascending walkway and descending walkway respectively, wherein, the two guide rails arranged at adjacent sides of the two guide rail brackets are inner guide rails, the two guide rails arranged on the opposite sides are outer guide rails, the guide rail arranged in the middle of the angle steel pieces is a middle guide rail, and the inner guide rail is connected with the outer guide rail to form a closed loop; the inner guide rail and the outer guide rail are arranged into a double spiral structure in the non-service sections of the guide rail system at the two ends of the ascending walkway and descending walkway, i.e., the slope escalator pedals are moved along the guide rails horizontally, overturned by 90° to stand, swerved, again overturned by 90°, and then moved horizontally; the inner guide rail, outer guide rail and middle guide rail of the guide rail system in the middle service sections of the ascending walkway and descending walkway are arranged to extend horizontally, ascend obliquely, and then extend horizontally; the slope escalator pedals are moved along the guide rails horizontally, lifted obliquely, and then moved horizontally;
The end rollers arranged in a triangular layout on the driving toothed plate embrace the inner guide rail and the outer guide rail with their arc surfaces respectively; the arc surfaces of the supporting rollers arranged in the middle of the lateral supporting shafts are fitted with the arc surface of the middle guide rail. A shaft supporting base configured to fix the main supporting shaft and the two lateral supporting shafts is connected via threads on the bottom of the supporting pedal, and shaft holes adapted for the main supporting shaft and the lateral supporting shafts to pass through or snap grooves adapted to fix the main supporting shaft and the lateral supporting shafts are arranged on the shaft supporting base.
The guide rail system is fixed to the guide rail bracket by welding, and the guide rail bracket is fixed to the truss by welding.
There are a plurality of driving devices arranged at an interval right under the guide rail system.
The ascending walkway and the descending walkway of the bilateral circulation slope escalator are arranged in mirror symmetry to each other.
The boarding platforms of the bilateral circulation slope escalator are provided at the two ends of the escalator, and the surface of entry section of each boarding platform is tangent to the surfaces of the escalator pedals in the horizontal section.
Beneficial effects: the pedals of the bilateral circulation slope escalator provided in the present invention are designed according to the moving trajectory along the step road. The guide rail system of the bilateral circulation slope escalator comprises cylindrical guide rails and a guide rail supporting bracket, the driving device is arranged right under the guide rails and is a multi-stage driving device, the handrail system is driven by the driving toothed plates for the pedals of the bilateral circulation slope escalator, and the boarding platforms are arranged at the two ends of the step road and serve as transitions between the floor and the step road. The bilateral circulation slope escalator system can be driven via the meshing between the driving machine and the driving toothed plates to operate in a circulating manner, and thereby the quantity of the escalator pedal is reduced, and the weight and cost are reduced. The bilateral circulation slope escalator system is an efficient personnel conveying system applicable to mine roadways or special building complexes and terrains. In case that a component of the pedals of the bilateral circulation slope escalator needs to be repaired, it is unnecessary to remove the pedals of the bilateral circulation slope escalator in entirety from the guide rails of the conveying system; instead, a supporting pedal of the slope escalator can be removed for maintenance and service simply by removing the end rollers at the two ends of the pedal of the slope escalator. Compared with the prior art, the bilateral circulation slope escalator provided in the present invention has the following advantages: (1) All steps of the escalators in ascending or descending operation in the bilateral circulation slope escalator provided in the present invention convey passengers at the same time, i.e., the steps are circulated bilaterally. Thus, the service efficiency of the bilateral circulation slope escalator is equivalent to the total service efficiency of two conventional escalators operating simultaneously, but the total quantity of the steps of the bilateral circulation slope escalator is equivalent to the total quantity of the steps of one conventional escalators. The bilateral circulation slope escalator has a bidirectional function which can achieve up and down conveying at the same time , and thereby reduces energy consumption and improves conveying efficiency; (2) Since all steps of the bilateral circulation slope escalator provided in the present invention are in service state, the space occupied by idle steps is eliminated; (3) Since the pedals of the present invention are connected with the shaft coupling devices to form a flat surface and the gap between adjacent pedals is very small, the possibility of entrapped clothing is decreased when the persons stand on the running pedals; (4) Since multi-point driving is employed in the present invention, a higher demand for total driving power can be met simply by increasing the quantity of the driving devices without increasing the driving power of the driving devices; thus, "modular" driving devices can be used.
Description of the Drawings
Fig. 1 is a structural diagram of the bilateral circulation slope escalator according to the present invention;
Fig. 2 is a schematic structural diagram of a conventional escalator;
Fig. 3 is a structural diagram of the pedals of the bilateral circulation slope escalator according to the present invention;
Fig. 4 is a structural diagram of the guide rails at the ends of the bilateral circulation slope escalator according to the present invention;
Fig. 5 is a cross sectional view of the guide rails of the bilateral circulation slope escalator according to the present invention;
Fig. 6 is a structural diagram of the driving device of the bilateral circulation slope escalator according to the present invention;
Fig. 7 is a structural diagram of an end of the bilateral circulation slope escalator according to the present invention;
Fig. 8 is a schematic diagram of the meshing between the driving chain and the toothed rack in the driving device of bilateral circulation slope escalator according to the present invention;
Fig. 9(a) is a sectional view of the shaft coupling device for the pedals of the bilateral circulation slope escalator according to the present invention;
Fig. 9(b) is a sectional view taken along the line A-A in Fig. 9(a).
In the figures: 1 - ascending walkway; 2 - descending walkway; 3 - slope escalator pedal; 4 - driving device; 5 - truss; 6 - boarding platform; 7 - handrail system; 7-1 -driving gear; 8 - guide rail system; 8-1 - inner guide rail; 8-2 - outer guide rail; 8-3 -middle guide rail; 9 - end roller; 10 - driving toothed plate; 11 - shaft coupling device; 11-1 - ball bearing; 11-2 - screw; 11-3 - end cover; 11-4 - shaft sleeve; 12 - supporting pedal; 13 - lateral supporting shaft; 14 - supporting roller; 15 - shaft supporting base; 16 - roller shaft; 17 - main supporting shaft; 18 - main shaft bearing; 19 - guide rail bracket; 20 - bolt; 21 - angle steel piece; 22 - pedal chain
Embodiments
Hereunder an example of the present invention will be further described with reference to the accompanying drawings.
As shown in Fig. 1, the bilateral circulation slope escalator provided in the present invention mainly comprises an ascending walkway 1, a descending walkway 2, slope escalator pedals 3, a driving device 4, a truss 5, boarding platforms 6, a handrail system 7, and a guide rail system 8; wherein, the ascending walkway 1 and the descending walkway 2 of the bilateral circulation slope escalator are arranged in mirror symmetry to each other; the boarding platforms 6 of the bilateral circulation slope escalator are provided at the two ends of the escalator, and the surface of the entry section of each boarding platform 6 is tangent to the surfaces of the escalator pedals 3 in the horizontal section. There are a plurality of driving devices 4 arranged at an interval right under the guide rail system 8, as shown in Fig. 6; A guide rail bracket is provided under the slope escalator pedals 3, the slope escalator pedals 3 are formed by a plurality of supporting pedals 12 connected serially via a shaft coupling device 11, a main supporting shaft 17 is provided under the supporting pedal 12, lateral supporting shafts 13 are provided at front side and back side of the main supporting shaft 17 in the same horizontal plane as the main supporting shaft 17, supporting rollers 14 are provided in the middle of each of the two lateral supporting shafts 13 respectively, driving toothed plates 14 are provided on the two sides of supporting pedal 12 respectively, toothed racks 10 are provided on upper end surface and lower end surface of the driving toothed plate 10, and the toothed rack on the lower end surface is meshed with a driving chain of the driving device 4; the toothed rack on the upper end surface is meshed with a driving gear 7-1 of the handrail system 7, a main shaft bearing 18 that matches with the fixed main supporting shaft 17 is provided on the driving toothed plate 10, three roller shafts 16 are provided on the two sides and lower part of the main shaft bearing 18 in a triangular layout, and an end roller 9 is provided on each of the roller shafts 16, as shown in Fig. 3.
As shown in Fig. 5, the guide rail bracket comprises two guide rail supports 19 with slots arranged opposite to each other, angle steel pieces 21 are welded between the opposite slots at the bottom to connect the slots together, and triangular plates and bolts 20 are provided at the two sides of the angle steel pieces 21 to fix the guide rail support 19;
As shown in Figs. 4 and 5, the guide rail system 8 comprises three cylindrical guide rails arranged on the two guide rail brackets under the slope escalator pedals 3 of the ascending walkway and descending walkway respectively, wherein, the two guide rails arranged at adjacent sides of two guide rail brackets are inner guide rails 8-1, the two guide rails arranged on the opposite sides are outer guide rails 8-2, the guide rail arranged in the middle of the angle steel pieces 21 is a middle guide rail 8-3, and the inner guide rail 8-1 is connected with the outer guide rail 8-2 to form a closed loop; the inner guide rail 8-1 and the outer guide rail 8-2 are arranged into a double spiral structure in the non-service sections of the guide rail system 8 at the two ends of the ascending walkway and descending walkway, i.e., the slope escalator pedals 3 are moved along the guide rails horizontally, overturned by 90° to stand, swerved, again overturned by 90°, and then moved horizontally; the inner guide rail 8-1, outer guide rail 8-2 and middle guide rail 8-3 of the guide rail system 8 in the middle service sections of the ascending walkway and descending walkway are arranged to extend horizontally, ascend obliquely, and then extend horizontally; the slope escalator pedals 3 are moved along the guide rails horizontally, lifted obliquely, and then moved horizontally, as shown in Fig. 7; the guide rail system 8 is fixed to the guide rail bracket 19 by welding, and the guide rail bracket 19 is fixed to the truss 5 by welding.
As shown in Fig. 8, the end rollers 9 arranged in a triangular layout on the driving toothed plate 10 embrace the inner guide rail 8-1 and the outer guide rail 8-2 with their arc surfaces respectively; the arc surfaces of the supporting rollers 14 arranged in the middle of the lateral supporting shafts 13 are fitted with the arc surface of the middle guide rail 8-3. A shaft supporting bases 15 configured to fix the main supporting shaft 17 and the two lateral supporting shafts 13 is connected via threads on the bottom of the supporting pedal 12, and shaft holes adapted for the main supporting shaft 17 and the lateral supporting shafts 13 to pass through or snap grooves adapted to fix the main supporting shaft 10 and the lateral supporting shafts 5 are arranged on the shaft supporting base 15.
The supporting pedals of the slope escalator pedals 3 have longitudinal anti-skid texture, a shaft supporting base 15 is provided on the bottom of the supporting pedal and connected to the supporting pedal 12 via bolts, a main supporting shaft 17 is provided in the middle, driving toothed plates 10 are provided on the two ends of the main supporting shaft 17, the main supporting shaft 17 is connected via bearings with the driving toothed plates 10, the driving toothed plates 10 can rotate in relation to the main supporting shaft 17, and three roller shaft holes are arranged in the end surface of the driving toothed plate 10 to receive end rollers 9. The end rollers 9 are arranged on the inner guide rail 8-1 and the outer guide rail 8-2 with two of the end rollers loacted above the rest end roller; the supporting rollers 14 provided in the middle of the lateral supporting shafts 13 are arranged on the middle guide rail 8-3. The arc surfaces of the supporting rollers 14 are fitted with the arc surface of the middle guide rail 8-3.
As shown in Figs. 9(a) and 9(b), shaft coupling devices 11 are provided on the two ends of the lateral supporting shaft 13, and the shaft coupling device 11 comprises ball bearings 11-1, screws 11-2, end covers 11-3, and shaft sleeves 11-4, there are two shaft sleeves 14 arranged symmetrically, the ball bearings 11-1 are arranged at the two sides of the two shaft sleeves 11-4 and are connected to the shaft sleeves 11-4 via the end covers 11-3 and the screws 11-2. The shaft coupling devices 11 are configured to connect the adjacent slope escalator pedal 3. The "horizontal - curved - inclined -curved - horizontal - overturned to stand - swerved - overturned - horizontal" operating process of the slope escalator pedals 3 is controlled by the guide rail system 8 mounted on the truss 5. The inclination angle between supporting pedal 12 and the horizontal direction is kept smaller than or equal to 12° in the "horizontal - curved -inclined - curved - horizontal" operating process of the slope escalator pedals 3. At the end of the horizontal travel of the slope escalator pedals 3, the slope escalator pedals 3 are constrained by the guide rails to overturn to stand, swerve, and then overturn by 90° to horizontal state. The overturning process of the slope escalator pedals 3 from the ascending state to the descending state is similar.
The driving chain of the driving device 4 is meshed with the driving toothed plates 10 to drive the driving toothed plates 10 on the slope escalator pedals and thereby drive the slope escalator pedals 3, and the driving machines at the two sides rotate at the same rotation speed in opposite directions, so that the ascending walkway 1 and the descending walkway 2 are moved at the same speed in opposite directions. With the multi-stage driving, the quantity of the driving devices can be determined according to the conveying distance, so that long-range conveying can be realized.
While the present invention is described above in some preferred embodiment, it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and those improvements and modifications should be deemed as falling into the scope of protection of the present invention.
Claims (6)
- Claims1. A bilateral circulation slope escalator, comprising an ascending walkway (1), a descending walkway (2), slope escalator pedals (3), a driving device (4), a truss (5), boarding platforms (6), a handrail system (7), and a guide rail system (8), wherein: a guide rail bracket is provided under the slope escalator pedals (3), the slope escalator pedals (3) are formed by a plurality of supporting pedals (12) connected serially via a shaft coupling device (11), a main supporting shaft (17) is provided under the supporting pedal (12), lateral supporting shafts (13) are provided at front side and back side of the main supporting shaft (17) in the same horizontal plane as the main supporting shaft (17), supporting rollers (14) are provided in the middle of each of the two lateral supporting shafts (13) respectively, driving toothed plates (10) are provided on the two sides of the supporting pedal (12) respectively, toothed racks are provided on upper end surface and lower end surface of the driving toothed plate (10), and the toothed rack on the lower end surface is meshed with a driving chain of the driving device (4); the toothed rack on the upper end surface is meshed with a driving gear (7-1) of the handrail system (7), a main shaft bearing (18) that matches with the fixed main supporting shaft (17) is provided on the driving toothed plate (10), three roller shafts (16) are provided on the two sides and lower part of the main shaft bearing (18) in a triangular layout, and an end roller (9) is provided on each of the roller shafts (16); the guide rail bracket comprises two guide rail supports (19) with two slots arranged opposite to each other, angle steel pieces (21) are welded between the opposite slots at the bottom to connect the slots together, and triangular plates and bolts (20) are provided at the two sides of the angle steel pieces (21) to fix the guide rail support (19); the guide rail system (8) comprises three cylindrical guide rails arranged on the two guide rail brackets under the slope escalator pedals (3) of the ascending walkway and descending walkway respectively, wherein, the two guide rails arranged at adjacent sides of the two guide rail brackets are inner guide rails (8-1), the two guide rails arranged on the opposite sides are outer guide rails (8-2), the guide rail arranged in the middle of the angle steel pieces (21) is a middle guide rail (8-3), and the inner guide rail (8-1) is connected with the outer guide rail (8-2) to form a closed loop; the inner guide rail (8-1) and the outer guide rail (8-2) are arranged into a double spiral structure in the non-service sections of the guide rail system (8) at the two ends of the ascending walkway and descending walkway, i.e., the slope escalator pedals (3) are moved along the guide rails horizontally, overturned by 90° to stand, swerved, again overturned by 90°, and then moved horizontally; the inner guide rail (8-1), outer guide rail (8-2) and middle guide rail (8-3) of the guide rail system (8) in the middle service sections of the ascending walkway and descending walkway are arranged to extend horizontally, ascend obliquely, and then extend horizontally; the slope escalator pedals (3) are moved along the guide rails horizontally, lifted obliquely, and then moved horizontally; the end rollers (9) arranged in a triangular layout on the driving toothed plate (10) embrace the inner guide rail (8-1) and the outer guide rail (8-2) with their arc surfaces respectively; the arc surfaces of the supporting rollers (14) arranged on the middle of the lateral supporting shafts (13) are fitted with the arc surface of the middle guide rail (8-3).
- 2. The bilateral circulation slope escalator according to claim 1, wherein, a shaft supporting bases (15) configured to fix the main supporting shaft (17) and the two lateral supporting shafts (13) is connected via threads on the bottom of the supporting pedal (12), and shaft holes adapted for the main supporting shaft (17) and the lateral supporting shafts (13) to pass through or snap grooves adapted to fix the main supporting shaft (10) and the lateral supporting shafts (5) are arranged on the shaft supporting base (15).
- 3. The bilateral circulation slope escalator according to claim 1, wherein, the guide rail system (8) is fixed to the guide rail bracket (19) by welding, and the guide rail bracket (19) is fixed to the truss (5) by welding.
- 4. The bilateral circulation slope escalator according to claim 1, wherein, there are a plurality of driving devices (4) arranged at an interval right under the guide rail system (8).
- 5. The bilateral circulation slope escalator according to claim 1, wherein, the ascending walkway (1) and the descending walkway (2) of the bilateral circulation slope escalator are arranged in mirror symmetry to each other.
- 6. The bilateral circulation slope escalator according to claim 1, wherein, the boarding platforms (6) of the bilateral circulation slope escalator are provided at the two ends of the escalator, and the surface of entry section of each boarding platform (6) is tangent to the surfaces of the escalator pedals (3) in the horizontal section.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510885872.5A CN105329761B (en) | 2015-12-04 | 2015-12-04 | Bilateral circulation ramp elevator |
| CN201510885872.5 | 2015-12-04 | ||
| PCT/CN2015/099320 WO2017092118A1 (en) | 2015-12-04 | 2015-12-29 | Bilateral circulation slope escalator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2015416443A1 true AU2015416443A1 (en) | 2017-10-19 |
| AU2015416443B2 AU2015416443B2 (en) | 2019-03-28 |
Family
ID=55280578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2015416443A Ceased AU2015416443B2 (en) | 2015-12-04 | 2015-12-29 | Bilateral circulation slope escalator |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN105329761B (en) |
| AU (1) | AU2015416443B2 (en) |
| WO (1) | WO2017092118A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105398926B (en) * | 2015-12-04 | 2017-06-20 | 中国矿业大学 | A kind of bidirectional circulating slope elevator pedal |
| EP3763655A1 (en) | 2019-07-11 | 2021-01-13 | Inventio AG | Low profile moving walkway |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US629289A (en) * | 1898-04-11 | 1899-07-18 | James M Dodge | Carrier. |
| US4895240A (en) * | 1989-03-16 | 1990-01-23 | Otis Elevator Company | Cogbelt handrail drive for passenger conveyor |
| JPH05306086A (en) * | 1992-05-06 | 1993-11-19 | Masao Kubota | Driving mechanism for connection transporting device |
| GB0029624D0 (en) * | 2000-12-05 | 2001-01-17 | Levy John C | Escalator for negotiating curves |
| JP2007210764A (en) * | 2006-02-10 | 2007-08-23 | Mitsubishi Electric Building Techno Service Co Ltd | Truss cleaning device of passenger conveyor |
| DE112007000622B4 (en) * | 2006-03-16 | 2013-04-11 | Otis Elevator Co. | Bidirectional escalator |
| CN101948072B (en) * | 2010-02-09 | 2013-04-10 | 上海宏曲电子科技有限公司 | Gravitation energy-saving escalator for ascending and descending |
| CN101913524B (en) * | 2010-06-01 | 2012-02-01 | 张永 | Escalator |
| CN202625579U (en) * | 2012-06-05 | 2012-12-26 | 由蔚雪 | Integrated bidirectional escalator |
| CN202988514U (en) * | 2012-10-28 | 2013-06-12 | 南通芯迎设计服务有限公司 | Energy-saving and up-and-down escalator |
| JP2014185012A (en) * | 2013-03-25 | 2014-10-02 | Mitsubishi Electric Corp | Escalator |
| CN103350944B (en) * | 2013-08-02 | 2015-07-15 | 黄民英 | Power driving device of escalator |
-
2015
- 2015-12-04 CN CN201510885872.5A patent/CN105329761B/en not_active Expired - Fee Related
- 2015-12-29 AU AU2015416443A patent/AU2015416443B2/en not_active Ceased
- 2015-12-29 WO PCT/CN2015/099320 patent/WO2017092118A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| AU2015416443B2 (en) | 2019-03-28 |
| CN105329761B (en) | 2017-02-01 |
| CN105329761A (en) | 2016-02-17 |
| WO2017092118A1 (en) | 2017-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |