CN101927939B - Passenger conveyor - Google Patents
Passenger conveyor Download PDFInfo
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- CN101927939B CN101927939B CN2010102834743A CN201010283474A CN101927939B CN 101927939 B CN101927939 B CN 101927939B CN 2010102834743 A CN2010102834743 A CN 2010102834743A CN 201010283474 A CN201010283474 A CN 201010283474A CN 101927939 B CN101927939 B CN 101927939B
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- Prior art keywords
- framework
- zone
- machine room
- backhaul
- crossbeam
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Abstract
The invention provides a passenger transport device which can reduce high size of a middle part of a frame without designing a pedal structure including a wheel into specific structure. In middle parts (4C, 4D, 4E, 4c) along length direction of the frame (4), a down part of a beam (14) opposite to pedals in return path side forms concave parts (21, 22, 23), and one part of the pedal in backhaul side steps through the concave part. Stepped trace of the pedal in return path side closes to stepped trace of the pedal in go path according with the structure, thus, high size of the middle part of the frame can be reduced without designing a pedal structure including a wheel into specific structure.
Description
The application is to be on January 23rd, 2008 applying date, and application number is 200810008503.8, and denomination of invention is divided an application for the patent application of " apparatus of passenger conveyor ".
Technical field
The present invention relates to can not form between a plurality of pedals that a kind of passenger of transmission uses can form difference of height in tilting zone escalator and the adjacent pedal apparatus of passenger conveyor of the electronic passage etc. of difference of height, especially relate to and a kind ofly can suitably be arranged on the apparatus of passenger conveyor in stair and the passage.
Background technology
In the ordinary course of things, when in stair and passage etc., apparatus of passenger conveyor being set,, preferably reduce the height dimension of framework as much as possible for the excavation amount with step and passage etc. is reduced to Min..For this reason; For example open and disclose a kind of apparatus of passenger conveyor in the 2001-10775 communique the patent of invention spy of Japan of patent documentation 1; The walking position that goes journey side and backhaul side that it changes by the trailing wheel of pedal pivot supporting makes these repeat on above-below direction at the trailing wheel that goes journey side and backhaul skidding to walk.Through being arranged to said structure, instant pedal is close at lower direction, goes the trailing wheel of journey side pedal and the trailing wheel of backhaul side pedal also can not produce interference, for this reason, can dwindle the height dimension of framework.
Patent documentation 1: TOHKEMY 2001-10775 communique (Fig. 1 to Fig. 8)
In above-mentioned prior art; Must the pivot suspension structure of pedal trailing wheel be designed to special shape; And; If when this technology is applied to the centre portion of lengths of frame direction,, can't go to guarantee between journey side and the backhaul side that crossbeam is provided with the problem in space so exist owing to go the pedal trailing wheel of journey side and backhaul side on above-below direction, to repeat.For this reason, when crossbeam is set, there is the problem that must strengthen the frame height size.
Summary of the invention
The object of the present invention is to provide a kind of apparatus of passenger conveyor, its stair structure that does not need to comprise wheel is designed to special construction, just can dwindle the height dimension of framework centre portion.
To achieve these goals, in apparatus of passenger conveyor of the present invention, the centre portion of lengths of frame direction with backhaul side step relatively to the crossbeam bottom be formed with recess, and the part of backhaul side step is walked in this recess.
The invention effect
Through apparatus of passenger conveyor is designed to said structure; The run trace that can make backhaul side step is near the run trace side of removing journey side step; So can be designed to dwindle the height dimension of the centre portion of lengths of frame direction under the situation of special construction at the stair structure that does not need to comprise wheel.
Description of drawings
Fig. 1 is the side-looking schematic partial cross-sectional view of escalator of first embodiment of expression apparatus of passenger conveyor of the present invention;
Fig. 2 is the amplification sectional view along the A-A line of Fig. 1;
Fig. 3 is the variation of Fig. 2;
Fig. 4 is the side-looking schematic partial cross-sectional view of the application examples of expression apparatus of passenger conveyor of the present invention;
Fig. 5 is the side-looking schematic partial cross-sectional view of electronic passage of second embodiment of expression apparatus of passenger conveyor of the present invention;
Fig. 6 is the amplification sectional view along the D-D line of Fig. 5.
Nomenclature
1,26 escalators
2 upper floor floors
3 bottom floors
4 frameworks
Zone, Machine Room, 4A top
Zone, Machine Room, 4B bottom
The 4C zone line
4D inclination zone line
The horizontal zone line of 4E
Zone, 4a first Machine Room
Zone, 4b second Machine Room
The 4c zone line
5 steps
The 5A front-wheel
The 5B trailing wheel
6 railings
7 moving hand-rails
8 actuating devices
9 drive sprockets
Machine Room, 10 top
11 driven sprockets
Machine Room, 12 bottom
13 body side frames
14 crossbeams
The 14A horizontal member
The 14B vertical member
15 base plates
15A oil storage dish
16A, 16 gangway base plates
17 chains
18A goes journey side front-wheel to use guide rail
18B backhaul side front-wheel is used guide rail
19A goes journey side trailing wheel to use guide rail
19B backhaul rear flank wheel is used guide rail
21,22,31 grooves
27 electronic passages
28A removes journey side wheel guide rail
28B backhaul sidecar wheel guide rail
29,29a, 29b pedal
30 wheels
The specific embodiment
Escalator shown in below seeing figures.1.and.2 describes first embodiment of apparatus of passenger conveyor of the present invention.
Said framework 4 comprises: zone, Machine Room, the bottom 4B that is formed with Machine Room, the top zone 4A of the Machine Room, top 10 that is used to be provided with actuating device 8 and drive sprocket 9 grades and is formed with the Machine Room, bottom 12 that is used to be provided with driven sprocket 11 and not shown step clearing apparatus etc. in the two end portions of length direction; Between zone, this Machine Room, top 4A and zone, Machine Room, bottom 4B, be formed with zone line 4C, the said step 5 of formation removes Cheng Tongdao and backhaul passage in this zone line 4C.In addition, see from the cross section of said framework 4, have pair of right and left body side frame 13, connect the crossbeam 14 of this left and right sides framework 13 and be used to cover the end portion of left and right sides framework 13 and have the base plate 15 of oil storage dish 15A in the inboard.Body side frame 13 has: the length direction of framework 4 extend on chord member 13A, be arranged on chord member 13A on this below and with this on chord member lower chord member 13B spaced apart, will be somebody's turn to do the longitudinal 13C that chord member 13A and lower chord member 13B couple together.In addition, in Machine Room, said top zone 4A and zone, Machine Room, bottom 4B, also be provided with floor, gangway 16A, the 16B that flushes with said upper floor floor 2 and bottom floor 3.
Said step 5 has the pedal that lets the passenger stand, and is provided with front-wheel 5A and trailing wheel 5B with pivot suspension in the front and back of working direction.And the chain 17 through ring-type connects the axletree of front-wheel 5A, and this chain 17 around being arranged on said drive sprocket 9 and the driven sprocket 11, and is driven drive sprockets 9 by said actuating device 8, and the circulation that makes said pedal 5 carry out ring-type is moved.
In addition, the front-wheel 5A of step 5 and trailing wheel 5B along be arranged on the journey side and form step 5 run trace go journey side front-wheel with guide rail 18A with go journey side trailing wheel to take turns with guide rail 18B and backhaul rear flank to walk with guide rail 19B with guide rail 19A and the backhaul side front-wheel that is arranged on the backhaul side and forms the run trace of step 5.
Going the journey side, go journey side front-wheel with guide rail 18A with go journey side trailing wheel to constitute by integrally formed article with guide rail 19A, and be supported in body side frame 13 sides of said crossbeam 14.On the other hand, in the backhaul side, backhaul side front-wheel forms separately with guide rail 19B with guide rail 18B and backhaul rear flank wheel, and is bearing in respectively on the said longitudinal 13C through each support 20A, 20B.
Below specify.As shown in Figure 2, the step 5b of backhaul side is with respect to the step 5a that goes the journey side, and its trailing wheel 5B is at the position walking of topmost, so trailing wheel 5B is near crossbeam 14.On the other hand, the body side frame 13 about crossbeam 14 connects collapses to prevent them, and bears and going journey side front-wheel with guide rail 18A with remove step 5a that goes the journey side that journey side trailing wheel walks on guide rail 19A and passenger's load etc.For this reason; It is the section bar of L shaped shape that the crossbeam 14 of this embodiment has used the cross section that is made up of horizontal member 14A and vertical member 14B; Wherein horizontal member 14A is the anti-member that collapses; It has the intensity that the body side frame 13 about can preventing collapses, and vertical member 14B is a supporting member, and it has the intensity of the load that can bear journey side pedal 5a.But, when obtaining to prevent the intensity that body side frame 13 collapses required, it is the section bar of L shaped shape that crossbeam 14 there is no need on whole length, all to adopt the cross section, adopts horizontal member (the anti-member that the collapses) 14A of small bore just enough.Therefore; It is the section bar of L shaped shape with the cross section of vertical member (supporting member) 14B formation that supporting in the crossbeam 14 goes the part of journey side step 5a and passenger's load etc. to adopt by horizontal member (the anti-member that collapses) 14A; And be bearing on the longitudinal 13C of body side frame 13 with cantilevered fashion; And other part is owing to only rely on horizontal member 14A (anti-collapse member) just can fully guarantee to prevent the body side frame 13 required intensity of collapsing; So for the left and right sides trailing wheel 5B of the step 5b that makes the backhaul side guarantee and horizontal member 14A between have under the situation of minimal safety gap C2 as far as possible near horizontal member 14A, on vertical member 14B, formed each groove 21 respectively.And after forming for fear of groove 21, the step 5b of backhaul side produces interference near crossbeam 14, also about groove 21 between vertical member 14B on cut and formed groove 22.
Through as above forming crossbeam 14; Can make the step 5b of backhaul side when side direction is seen, pass the vertical member 14B walking of crossbeam 14; That is to say; Can make part walking in groove 21 and groove 22 in the direction of travel cross section of step 5b, consequently compare, can dwindle the height dimension H2 of the zone line 4C of framework 4 with present height dimension H1.That is, the height dimension H2 of framework 4 equals to play clearance C 1 till the step 5a top of journey side, play safe spacing C2 between the trailing wheel 5B of bottom and backhaul side step 5b of gauge t, horizontal member 14A of height dimension h1 till crossbeam 14 tops, crossbeam 14 horizontal member 14A from the top of the step 5a that goes the journey side from the top of framework 4, play from the top of the trailing wheel 5B of backhaul side step 5b the summation of height dimension h4 of bottom and the safe spacing C3 between the oil storage dish 15A and oil storage dish 15A and the base plate 15 of height dimension h3 till the step 5b bottom, pedal 5b.In other words, compare with present height dimension H1, the trailing wheel 5B that height dimension H2 has dwindled backhaul side step 5b gets into the size H of groove 21 under the situation of guaranteeing safe spacing C2
0, that is to say that height dimension H2 has dwindled the size H of trailing wheel 5B entering groove 21
0The size of+safe spacing C2.
In contrast to this; The height dimension H1 that does not form the escalator of the prior art of groove 21 equal to play spacing C1 till the step 5a of journey side, play safe spacing C2 ' between the trailing wheel 5B of bottom and backhaul side step 5b of height dimension h2, crossbeam 14 of height dimension h1 till the crossbeam 14, crossbeam 14 from the top of the step 5a that goes the journey side from the top of framework 4 (=C2), play from the top of the trailing wheel 5B of backhaul side step 5b height dimension h3 ' till the step 5b bottom (=h3), the bottom of step 5b and the safety gap C3 ' between the oil storage dish 15A (=C3) and the height dimension h4 ' of oil storage dish 15A and base plate 15 (=h4) summation, said height dimension is h2=t+C2+H
0, compare with this embodiment, increased size H
0+ C2.
So; According to this embodiment; The structure that does not need to comprise the pedal ( step 5,5a, 5b) of wheel (front-wheel A and trailing wheel 5B) is designed to special construction, just can dwindle the height dimension H2 of the zone line 4C of framework 4, so; When stair and passage etc. are provided with escalator 1, can make the excavation amount of stair and passage etc. be reduced to Min..
In addition, in the above-described embodiment, adopting integrally formed cross section with crossbeam 14 is that the section bar of L shaped shape is that example is described, but also can adopt the crossbeam 14 in the variation shown in Figure 3, also can obtain identical effect.In Fig. 3, the part identical with Fig. 1 and Fig. 2 adopts identical symbolic representation, and omits the detailed description of repetition.
Promptly; In this variation; Crossbeam 14 is by being used to prevent that member that body side frame 13 collapses from being that the member of the horizontal member 23 of rectangle small bore and being used to step 5a and the passenger's etc. that support the journey side load is that the vertical member 24 of square-section constitutes, and this vertical member 24 is connected with the Width end one of horizontal member 23 through known methods of attachment such as welding.
And, in vertical member 24, being formed with otch (recess) 25, the trailing wheel 5B of the step 5b of backhaul side guarantees between with respect to said horizontal member 23 to have under the situation of safe spacing through this otch.Trailing wheel 5B through making backhaul side step 5b walks in the space that is formed by this otch 25, and the step 5b of backhaul side is close with horizontal member 23 on all, consequently can dwindle the height dimension of the zone line 4C of framework 4.
In above-mentioned embodiment, be that example is described with the escalator 1 that is obliquely installed, but the present invention also go for special escalator 26 shown in Figure 4.In addition, in the application examples of Fig. 4, the part identical with Fig. 1 adopts identical symbolic representation, and omits the detailed description of repetition.
That is, the framework 4 of this escalator 26 is made up of the Machine Room, top of the two end portions that is formed on length direction zone 4A and zone, Machine Room, bottom 4B, the inclination zone line 4D that removes Cheng Tongdao and backhaul passage that has been obliquely installed step 5 that links to each other with zone, Machine Room, top 4A and the horizontal zone line 4E that between this inclination zone line 4D and the regional 4B in Machine Room, said bottom, forms.
In the escalator 26 that so constitutes, the structure in the cross section at the cross section at the B-B line place of inclination zone line 4D and the C-C line place of horizontal zone line 4E is formed like Fig. 2 or structure shown in Figure 3, thereby can dwindle the height dimension of framework 4.
Followingly the second embodiment of the present invention is described with reference to Fig. 5 and Fig. 6.In Fig. 1 to Fig. 4, as apparatus of passenger conveyor, the escalator 1,26 that is arranged on tilting zone is described, second embodiment is that example describes with the electronic passage 27 that is arranged on horizontal zone then.
The basic structure of electronic passage 27 is identical with escalator 1,26.Identical part adopts identical symbolic representation, and omits its detailed description.
On the other hand, around being connected with a plurality of pedals 29 (29a, 29b) on the chain 17 that is arranged on the ring-type on the drive sprocket 9 that drives by actuating device 8 and the driven sprocket 11.And, at the front and back pivot suspension of the direction of travel of each pedal 29 wheel 30 of pair of right and left being arranged, each wheel 30 goes the guiding of journey side wheel guide rail 28A and backhaul sidecar wheel guide rail 28B to walk down said.
In the electronic passage 27 that has like above-mentioned structure; Form groove (recess) 31 at vertical member 14B crossbeam 14 and backhaul side pedal 29b subtend; Wheel 30 through making backhaul side pedal 29b is walked in this groove 31, and the pedal 29b that can make the backhaul side is near the pedal 29a side of going the journey side, height dimension that consequently can reduced side framework 13; In other words, can dwindle the height dimension of the zone line 4c of framework 4.
Therefore; Identical with first embodiment; The structure that does not need to comprise the pedal 29 of wheel 30 is designed to special construction, just can dwindle the height dimension of the zone line 4C of framework 4, so; When electronic passage 27 is set in existing passage, can the excavation amount that have passage now be limited in the Min..
In addition, the electronic passage 27 of second embodiment shown in Figure 5 is that example is described with the situation on the footway GL that is arranged on level, but self-evident, when on the footway of gentle slope, electronic passage being set, also can adopt the present invention.
Claims (5)
1. apparatus of passenger conveyor has: framework, and this framework is arranged in the building structure, and is provided with the floor, gangway in the two end portions of length direction; A plurality of steps; These a plurality of steps connect into ring-type; In this framework, be directed and circulate mobilely going between the floor, said gangway between journey side and the backhaul side, said framework is made up of Machine Room zone and zone line, and this zone, Machine Room is formed with the Machine Room in the two end portions of length direction; This zone line is positioned at the centre portion in zone, said Machine Room; And said framework by about body side frame and the crossbeam that the body side frame about said is coupled together constitute, said apparatus of passenger conveyor is characterised in that
The bottom of the said crossbeam of in said zone line and step subtend said backhaul side is formed with recess; The part of the step through making said backhaul side is positioned at this recess, and the run trace of step that makes said backhaul side is near said run trace side of removing the step of journey side.
2. apparatus of passenger conveyor has: framework, and this framework is arranged in the building structure, and is provided with the floor, gangway in the two end portions of length direction; A plurality of steps; These a plurality of steps connect into ring-type, in this framework, are directed and circulate mobilely going between the floor, said gangway between journey side and the backhaul side, and said framework is made up of Machine Room zone and zone line; This zone, Machine Room is formed with the Machine Room in the two end portions of length direction; This zone line is positioned at the centre portion in zone, said Machine Room, and said framework by about body side frame and the crossbeam that the body side frame about said is coupled together constitute, go the load of the step of journey side to bear by said crossbeam; Said apparatus of passenger conveyor is characterised in that
The said crossbeam of said zone line is made up of anti-member and the supporting member of collapsing; The member that should anti-collapse has the intensity that can prevent that the body side frame about said from collapsing; Near outstanding setting the below the court body side frame of this supporting member about this anti-member that collapses said; Have and to bear said intensity of removing the load of journey side step, thereby form recess, make the part of the step of said backhaul side be positioned at this recess through bottom at said crossbeam; And be close with the said anti-member that collapses, the run trace of step that makes said backhaul side is near said run trace side of removing the step of journey side.
3. apparatus of passenger conveyor has: framework, and this framework is arranged in the building structure, and is provided with the floor, gangway in the two end portions of length direction; A plurality of steps; These a plurality of steps connect into ring-type; In this framework, be directed and circulate mobilely going between the floor, said gangway between journey side and the backhaul side, said framework is made up of Machine Room zone and zone line, and this zone, Machine Room is formed with the Machine Room in the two end portions of length direction; This zone line is positioned at the centre portion in zone, said Machine Room; And said framework by about body side frame and the crossbeam that the body side frame about said is coupled together constitute, said apparatus of passenger conveyor is characterised in that
The bottom of the said crossbeam of in said zone line and step subtend said backhaul side is formed with recess; The part in the direction of travel cross section of the step through making said backhaul side is positioned at this recess, and the run trace of step that makes said backhaul side is near said run trace side of removing the step of journey side.
4. apparatus of passenger conveyor has: framework, and this framework is arranged in the building structure, and is provided with the floor, gangway in the two end portions of length direction; A plurality of steps; These a plurality of steps connect into ring-type, in this framework, are directed and circulate mobilely going between the floor, said gangway between journey side and the backhaul side, and said framework is made up of Machine Room zone and zone line; This zone, Machine Room is formed with the Machine Room in the two end portions of length direction; This zone line is positioned at the centre portion in zone, said Machine Room, and said framework by about body side frame and the crossbeam that the body side frame about said is coupled together constitute, go the load of the step of journey side to bear by said crossbeam; Said apparatus of passenger conveyor is characterised in that
The said crossbeam of said zone line is made up of anti-member and the supporting member of collapsing; The member that should anti-collapse has the intensity that can prevent that the body side frame about said from collapsing; Near outstanding setting the below the court body side frame of this supporting member about this anti-member that collapses said; Have and to bear said intensity of removing the load of journey side step, thereby, make the part in direction of travel cross section of the step of said backhaul side be positioned at this recess through form recess in the bottom of said crossbeam; And be close with the said anti-member that collapses, the run trace of step that makes said backhaul side is near said run trace side of removing the step of journey side.
5. apparatus of passenger conveyor; Has the framework that is arranged in the building structure; Ring-type connects and the mobile a plurality of steps that circulate in this framework inside; Guiding is by the wheel of said step pivot suspension and be arranged on and remove journey side rails and backhaul side rails in the said framework; Said framework is by the zone, Machine Room that is formed with the Machine Room in the length direction two end portions; And the zone line that is positioned at the centre portion in zone, said Machine Room constitutes; And said framework by about body side frame; And the crossbeam that connects said left and right sides framework constitutes; The said position of going the journey side rails to be supported in said crossbeam near said body side frame; Said apparatus of passenger conveyor is characterised in that
Be constituted as in the bottom of the said crossbeam of said zone line and step subtend said backhaul side and be formed with recess; The part of trailing wheel of step that makes said backhaul side is through in this recess, so that the run trace of the step of said backhaul side is near said run trace side of removing the step of journey side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007060190A JP4426595B2 (en) | 2007-03-09 | 2007-03-09 | Passenger conveyor |
| JP2007-060190 | 2007-03-09 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100085038A Division CN101259935B (en) | 2007-03-09 | 2008-01-23 | Passenger conveying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101927939A CN101927939A (en) | 2010-12-29 |
| CN101927939B true CN101927939B (en) | 2012-11-28 |
Family
ID=39841405
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102834743A Active CN101927939B (en) | 2007-03-09 | 2008-01-23 | Passenger conveyor |
| CN2008100085038A Active CN101259935B (en) | 2007-03-09 | 2008-01-23 | Passenger conveying device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100085038A Active CN101259935B (en) | 2007-03-09 | 2008-01-23 | Passenger conveying device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4426595B2 (en) |
| CN (2) | CN101927939B (en) |
| HK (2) | HK1148255A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5298053B2 (en) * | 2010-03-15 | 2013-09-25 | 株式会社日立製作所 | Passenger conveyor |
| CN102485628B (en) * | 2010-12-02 | 2014-04-16 | 上海三菱电梯有限公司 | Passenger transporting device without metal truss structure as well as installation method and installation tool thereof |
| CN113029175B (en) * | 2021-03-11 | 2021-09-10 | 东莞职业技术学院 | Fast path planning method considering two-way multi-path points |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1554014A (en) * | 1976-04-09 | 1979-10-17 | Hitachi Ltd | Personnel-conveyor |
| CN1260761A (en) * | 1997-06-17 | 2000-07-19 | 日本鱼片王股份有限公司 | Escalator |
| CN1863725A (en) * | 2003-10-10 | 2006-11-15 | 东芝电梯株式会社 | Passenger conveyor |
-
2007
- 2007-03-09 JP JP2007060190A patent/JP4426595B2/en active Active
-
2008
- 2008-01-23 CN CN2010102834743A patent/CN101927939B/en active Active
- 2008-01-23 CN CN2008100085038A patent/CN101259935B/en active Active
- 2008-11-20 HK HK11102254.4A patent/HK1148255A1/en unknown
- 2008-11-20 HK HK08112715.1A patent/HK1119641A1/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1554014A (en) * | 1976-04-09 | 1979-10-17 | Hitachi Ltd | Personnel-conveyor |
| CN1260761A (en) * | 1997-06-17 | 2000-07-19 | 日本鱼片王股份有限公司 | Escalator |
| CN1863725A (en) * | 2003-10-10 | 2006-11-15 | 东芝电梯株式会社 | Passenger conveyor |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2001-10775A 2001.01.16 |
| JP特开2001-151451A 2001.06.05 |
| JP特开2004-323178A 2004.11.18 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101259935B (en) | 2011-01-26 |
| JP2008222340A (en) | 2008-09-25 |
| CN101259935A (en) | 2008-09-10 |
| HK1148255A1 (en) | 2011-09-02 |
| JP4426595B2 (en) | 2010-03-03 |
| CN101927939A (en) | 2010-12-29 |
| HK1119641A1 (en) | 2009-03-13 |
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