CN108946420B - Moving handrail guide assembly for the balustrade section of an elevator or moving walk-board - Google Patents
Moving handrail guide assembly for the balustrade section of an elevator or moving walk-board Download PDFInfo
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- CN108946420B CN108946420B CN201710368217.1A CN201710368217A CN108946420B CN 108946420 B CN108946420 B CN 108946420B CN 201710368217 A CN201710368217 A CN 201710368217A CN 108946420 B CN108946420 B CN 108946420B
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- handrail
- guide assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/22—Balustrades
- B66B23/24—Handrails
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B25/00—Control of escalators or moving walkways
- B66B25/006—Monitoring for maintenance or repair
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/005—Applications of security monitors
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- Escalators And Moving Walkways (AREA)
Abstract
The invention discloses a movable handrail guide component of a handrail column part of an elevator or a movable walking ladder, which comprises: a support profile mounted on the balustrade section having a cavity defined by a side wall and a bottom; a low coefficient of friction component or chain of low coefficient of friction subcomponents secured at both ends to the handrail column portion, the low coefficient of friction component comprising a single component, the chain of low coefficient of friction subcomponents comprising a plurality of low coefficient of friction subcomponents, the or each low coefficient of friction component having a profile which conforms to the support profile cavity and each low coefficient of friction subcomponent end portion being connected to each other to cover the opening of the cavity. The guide assembly of the present invention is simple in structure and low in cost, can reduce heat generated by friction in the handrail and heat generated by repeated bending, improve the life of the handrail, reduce wear, aging and cracking, and can monitor the force in the handrail by using a sensor and the wear of the handrail.
Description
Technical Field
The present invention relates to a slide bearing system for an escalator handrail, and more particularly to a slide bearing system for a handrail of an escalator handrail post portion.
Background
The escalator handrails form a closed-loop circulating motion on the escalator balustrade between the upper stair transition platform and the lower stair transition platform. The handrail is typically made of a rubber material and is attached to a support profile that provides the handrail with the required strength. The underside of the handrail typically has a laminated fabric covering that provides low friction on a typical metal supporting profile.
The escalator balustrade is divided into a straight portion and a handrail column portion. The handrail post part of the escalator handrail is a bending part positioned at two ends of the escalator handrail. On the straight portion of the escalator balustrade the handrail only slides forward under the force of tension, whereas on the balustrade part of the escalator balustrade, since the handrail needs to turn and reverse, it is necessary to provide a guiding mechanism that provides a greater force to move it. The guide means may be provided only on the handrail column part.
Fig. 1 is a picture of a portion of a handrail column of prior art, which is indicated with reference numeral 1 in fig. 1. With continued reference to fig. 1, the handrail column 1 comprises a curved support profile 2, the curved support profile 2 being equipped with and supporting a bearing chain, which constitutes a guiding mechanism, comprising several rolling bearings 3, the rolling bearings 3 acting as friction wheels, acting on the handrail bottom side, or on the visible side of the handrail, for supporting and guiding a closed-loop circulating movement of the handrail (not shown in the figures).
Fig. 2 is a sectional view of a straight portion, showing the handrail 5 supported directly on the support profile 2, without a guiding mechanism being provided on the support profile 2. The support profile 2 comprises a flange 15, an upstanding side wall 16 and a base having an inwardly projecting portion 17, the flange 15 supporting the handrail 2, the inwardly projecting portion 17 for resting on the escalator balustrade base, the upstanding side wall 16 and the base defining a chamber 18.
Figure 3 is a cross-sectional view of a portion of the handrail column showing that in the cavity 18 of the support profile 2 shown in figure 2 are mounted rolling bearings 3, the rolling bearings 3 being interconnected by a connecting rod 19, and each rolling bearing 3 being optionally fixed to an inwardly projecting portion 17 of the support profile 2 by a fastener such as a bolt 6.
The rolling bearing guide mechanism in the prior art provides a small support area during the bending process of the handrail due to the small bending radius of the rolling bearing, so that a large acting force is generated on the part of the handrail, the handrail is easy to wear, and the service life of the handrail and the bearing is shortened. Moreover, due to the large forces of the rolling bearings, the handrail is locally prone to wear and flaking, and the bearing structure does not completely fill the cavity supporting the profile, so that flaking debris and dust from the handrail tend to collect in the chamber between the rolling bearings and the underside of the handrail, and even some rubber powder of the handrail enters inside the rolling bearings, causing failure. Also the large forces between the rolling bearings and the handrail cause thermal problems, large noise and bearing misalignment problems. To prevent bearing failure, regular maintenance is required to clean the spall, such as fabric or rubber particles, thereby also increasing personnel and labor costs.
It is desirable to propose a new handrail column structural design which can alleviate or eliminate the above drawbacks.
Disclosure of Invention
It is an object of the present invention to provide a moving handrail guide assembly for the balustrade part of an elevator or a moving walking ladder which at least alleviates or eliminates the above-mentioned drawbacks.
According to an aspect of the present invention, there is provided a moving handrail guide assembly for a balustrade portion of an elevator or a moving walking ladder, the guide assembly comprising:
a support profile mounted on the balustrade section having a cavity defined by a side wall and a bottom;
a low coefficient of friction component or chain of low coefficient of friction subcomponents secured at both ends to the handrail column portion, the low coefficient of friction component comprising a single component, the chain of low coefficient of friction subcomponents comprising a plurality of low coefficient of friction subcomponents, the or each low coefficient of friction component having a profile which fits into the cavity of the support profile and each low coefficient of friction subcomponent end connected to each other to cover the opening of the cavity.
Preferably, a sensor may be arranged between an end of the chain of low-friction components or low-friction sub-components and a fixing part of the handrail column portion.
Preferably, the sensor may be disposed between the plurality of low coefficient of friction subcomponents.
Preferably the support profile has a flange, the base having a central projection for seating on the handrail column section.
Preferably the or each low coefficient of friction member fits into the cavity of the support profile on three sides of the bottom, two sides, and engages the underside of the handrail on the upper side to guide the handrail.
Preferably, the upper sides of the plurality of low friction members support the handrail together with the flange.
Preferably, the flange of the support profile is a loose fit with the handrail.
Preferably, the low-friction component or chain of low-friction subcomponents extends the entire length of the handrail column portion.
Preferably, each low coefficient of friction subcomponent of the chain of low coefficient of friction subcomponents is comprised of a low coefficient of friction material.
Preferably, each low coefficient of friction sub-component of the chain of low coefficient of friction sub-components or low coefficient of friction sub-components may be formed of an upper and a lower portion.
Preferably, the upper portion is constructed of a low coefficient of friction material and the lower portion is constructed of a material that is rigid and easily dissipates heat.
Preferably, the low coefficient of friction material is a composite polymer.
Preferably, the composite polymer is a high density polyethylene to which a thermal conductivity enhancing component is added.
Preferably, the thermal conductivity enhancing component comprises carbon nanotubes, graphite, graphene or carbon fibers.
Preferably, the rigid and heat dissipating material is aluminum.
Preferably, the upper part and the lower part may be joined together.
Preferably, the upper and lower parts slide against each other independently.
Preferably, the sensor that may be arranged between the end of the chain of low-friction coefficient components or low-friction coefficient sub-components and the fixing part of the handrail column portion or between the plurality of low-friction coefficient sub-components is a tension sensor.
Preferably, each sub-component of the or a chain of low coefficient of friction sub-components is provided with a wear sensor for detecting wear by a change in resistance, capacitance or inductance.
According to another aspect of the present invention, there is provided a moving handrail detection method, comprising the steps of:
providing a moving handrail guide assembly as described above;
a tension sensor is arranged between the end of the chain of low-friction components or low-friction sub-components and the fixing part of the handrail column portion.
Preferably, the method further comprises providing a wear sensor in each low coefficient of friction sub-component of the chain of low coefficient of friction sub-components or the low coefficient of friction sub-components.
Compared with the guide assembly adopting the rolling bearing for guiding in the prior art, the guide assembly adopts the low-friction coefficient material part or the chain of the low-friction coefficient material part for guiding, so that the cost is obviously reduced, the bending radius of the handrail is minimized, the actual radius is the same as the radius of the handrail column, the possible contact area is maximized during the bending, and the solid lubricant can be added to reduce the abrasion and reduce the friction, so that the heat generated by the friction in the handrail and the heat generated by repeated bending can be reduced, the local stress of the handrail is reduced, the service life of the handrail is prolonged, and the abrasion, the aging and the cracking of the handrail are reduced. Furthermore, since both the integrated low-friction coefficient component and the low-friction coefficient subcomponent chain of the present invention are only end-fixed to the balustrade post fixing portion, it is possible to conduct the force generated only by the handrail motion to between the end of the low-friction coefficient component and the balustrade post fixing portion or between the end of the low-friction coefficient subcomponent chain and the balustrade post fixing portion, thereby making it possible to monitor the tension on the handrail, generate a warning signal or perform tension control in the event of handrail damage or handrail tension variation. Further, the guidance assembly of the present invention is simple in construction, has fewer parts, is more reliable, and eliminates the possibility of handrail stripping or dust accumulation, thereby eliminating the need for cleaning and maintenance. Finally, the material of the guide assembly according to the invention can be recycled.
Drawings
Figure 1 is a picture of a prior art escalator handrail column portion comprising rolling bearings;
fig. 2 is a cross-sectional view of a straight portion of a prior art escalator;
figure 3 is a cross-sectional view of a handrail column portion of a prior art escalator;
FIG. 4 is a cross-sectional view of a handrail column portion comprising a guide assembly according to an embodiment of the invention;
FIG. 5 is a cross-sectional view of a handrail column portion comprising a guide assembly according to an embodiment of the invention;
FIG. 6 shows an enlarged partial view of a handrail column portion according to a further embodiment of the invention, showing a tension sensor arranged between the end of the guide assembly and the fixing part of the handrail column;
figure 7 shows a cross-sectional view of a portion of a handrail column according to a further embodiment of the invention, showing a wear sensor arranged in the guide assembly.
Detailed Description
Preferred embodiments of the present invention will now be described with reference to the drawings, wherein reference to the directions in the specification are to be considered as directions shown in the drawings, which directions are for illustrative purposes only and are not intended to be limiting.
The present invention proposes a new guide assembly for the handrail column part of an escalator, comprising a support profile and a low-friction component or chain of low-friction subcomponents. The low coefficient of friction component comprises a single component, and the chain of low coefficient of friction subcomponents comprises a plurality of low coefficient of friction subcomponents, the low coefficient of friction component or the low coefficient of friction subcomponents being composed of a material having a low coefficient of friction.
FIG. 4 is a cross-sectional view of a guide assembly taken perpendicular to a low coefficient of friction member according to one embodiment of the present invention. Referring to figure 4, the guide assembly comprises a support profile 2 and a low coefficient of friction member 7. The support profile 2 is made of a suitable material of selected strength and comprises a flange 15, an upstanding side wall 16 and a base having an inwardly projecting portion 17, the flange 15 supporting the handrail 2, the inwardly projecting portion 17 for resting on the escalator balustrade base, the upstanding side wall 16 and the base defining a chamber 18. The low coefficient of friction member 7 has a substantially flat shape, fitting with the side walls 16 and the inwardly projecting portion 17 of the cavity 18, being supported by the support profile 2 on three sides, i.e. the side and the bottom, after being mounted in the cavity 18, thereby covering the opening of the cavity 18, with a free upper sliding surface for contact with the handrail 5.
The low coefficient of friction member 7, which bends with the angle of the handrail post, is made of a polymer composite material and has sufficient strength to prevent damage in the event of a sudden increase in handrail load. The low coefficient of friction member 7 extends the entire length of the railing post, is fixed at both ends, and has a loose fit and a lubricating contact between the flange 15 of the support profile 2 and the bottom of the handrail. This configuration of the low friction member 7 enables the transmission of forces generated solely by the handrail movement between the end of the low friction member 7 and the handrail post fixing.
According to a not shown embodiment of the invention, the low friction coefficient component 7 is not a single integral component extending over the entire length of the railing column as described in the above embodiments, but a chain of low friction coefficient sub-components comprising a plurality of low friction coefficient sub-components, each having the same cross-section as the cross-section of the low friction coefficient component 7 shown in fig. 4, the low friction coefficient sub-components being interconnected by flexible links, e.g. fixed at the sides of each low friction coefficient sub-component. The low coefficient of friction subcomponent chain is secured at both ends to the balustrade post fixing portion, and the resulting low coefficient of friction subcomponent chain of this construction is also capable of conducting forces generated solely by handrail motion between the ends of the low coefficient of friction subcomponent chain and the balustrade post fixing portion.
FIG. 5 illustrates a cross-sectional view of a guide assembly according to yet another embodiment of the present invention taken perpendicular to the low coefficient of friction member. Referring to figure 5, the guide assembly comprises a support profile 2 and a low coefficient of friction component 7 or chain of low coefficient of friction subcomponents except that each subcomponent of the low coefficient of friction component 7 or chain of low coefficient of friction subcomponents is comprised of an upper portion 8 and a lower portion 9. The upper part 8 may be made of a low friction polymer and the lower part 9 may be made of a material with high strength and good thermal conductivity.
The lower portion 9 may be of unitary construction or may comprise a plurality of identical sub-members which, where they are incorporated, may be joined together or slide independently against one another, depending on the load conditions resulting from the continuous movement of the handrail. And the upper portion, in the case of a unitary structure, is secured at both ends to the railing post securing portion by flexible links, and in the case of a chain comprising a plurality of identical sub-components, interconnected by flexible links, and forming a chain of low-friction sub-components secured at both ends to the railing post securing portion by flexible links.
Compared to the prior art roller bearing design and the guide mechanism supporting the profile, it is known that the handrail generates a relatively large frictional heat over its entire length due to its high sliding distance and continuous movement, and that the handrail, which is usually made of an elastomer, undergoes a temperature increase over several repeated bends on the guide roller bearing. Such heating conditions lead to accelerated wear, aging and cracking of the handrail.
Whereas in the guide assembly shown in figure 4, which consists of a single low-coefficient-of-friction member 7 and support profile 2, since the low-coefficient-of-friction member 7 fits into the cavity 18 of the support profile 2, substantially covering the opening of the cavity 18, the sliding contact area between the guide assembly and the handrail is increased, reducing the forces acting locally on the handrail, while increasing the radius of curvature of the guide assembly.
The friction loss can be calculated by the following formula:
P＝m*FN×V
where FN represents total normal contact force and V represents slip velocity.
The typical speed of an elevator handrail is 0.5m/s and the total normal force depends on the length and height of the elevator and the set value of the handrail tension device, the contact area with the handrail.
The embodiment shown in figure 4 therefore reduces local frictional losses due to the increased contact area, while also reducing the heat generated by the handrail due to repeated bending due to the increased radius of curvature of the guide assembly. The embodiment shown in figure 4 therefore has an extended service life, reduced wear, ageing and cracking, due to a reduction in the heat generated, compared with the guide assemblies of the prior art using rolling bearings.
Also, the guide assembly of the embodiment comprising the chain of low coefficient of friction sub-components of a plurality of low coefficient of friction sub-components and the support profile reduces local frictional losses due to the increased contact area, and also reduces heat generated by the handrail from repeated bending due to the increased radius of curvature of the guide assembly, thereby also extending the life of the handrail and reducing wear, aging and cracking, as compared to prior art guide assemblies comprising rolling bearings.
In the embodiment shown in fig. 5 where each of the individual low coefficient of friction components or chain of low coefficient of friction subcomponents includes an upper portion and a lower portion, the upper portion acts as a layer of low coefficient of friction material because the lower portion has a higher thermal conductivity, and the lower portion therefore conducts more heat away from the handrail, further reducing the effects of the heat generated, and thus also extending the useful life of the handrail and reducing wear, aging and cracking.
Fig. 6 shows an enlarged partial view of a guide assembly according to a further embodiment of the present invention, which may take any of the configurations described above, except, since only the end 10 of the chain of either the integrated low-friction component or the low-friction subcomponent of the present invention is secured to the balustrade post securing portion 12, this configuration thus makes it possible to transmit the forces generated only by the handrail movement to between the end of the low-friction component and the handrail column fixing or between the end of the chain of low-friction subcomponents and the handrail column fixing, and therefore also to provide a tension sensor 11 between the end 10 of the low-friction component and the handrail column fixing 12 or between the end 10 of the chain of low-friction subcomponents and the handrail column fixing 12, for monitoring the tension on the handrail, thereby generating a warning signal or performing tension control in case of handrail damage or handrail tension variation. Handrail tension variations can be caused by foreign objects being introduced between the handrail and the support gap or by forces generated by several passengers gripping the handrail. Tension control may be performed by a tension pulley, other mechanical actuator, or a motor torque control mechanism.
FIG. 7 shows an enlarged partial view of a guide assembly in accordance with yet another embodiment of the present invention, which can take any of the configurations described in the previous embodiments, except that the wear sensor 14 can be placed in either the integral low coefficient of friction member 7 or the low coefficient of friction sub-member, whether it be an integral low coefficient of friction member or a chain of low coefficient of friction sub-members. The wear sensor 14 comprises an embedded wire 13 for detecting wear by a change in resistance, capacitance or inductance.
The support profile in all the embodiments described above is preferably designed with a corrugated shape for increased rigidity, for example, it needs to be produced by roll forming or stretch bending, and is made of a rigid and heat-dissipating material, for example, aluminum. The support profile 2 has a flange 15 (see fig. 4) adapted to contact the handrail over its entire width. For safety reasons, the support profile 2 must ensure a gap between the moving handrail and the stationary support profile to prevent fingers from being pinched in the handrail lip region.
The upper portion of the low coefficient of friction component, the low coefficient of friction sub-component or the two-piece low coefficient of friction component, the low coefficient of friction sub-component is made of a polymer composite having a low friction matrix, such as high density polyethylene with a heat transfer enhancing composition added. The thermal conductivity improving component is, for example, carbon nanotubes, graphite, graphene or carbon fibers. The preferred orientation of the fibres should coincide with the main heat flow direction or radius of the handrail column.
The material of the lower surface of the handrail can be made of woven or friction polymer solids, polymer fibers such as cotton fibers, fluoropolymer PTFE fibers, or other fiber fabrics used in handrails.
In summary, compared to the prior art guide assembly using rolling bearings for guidance, the guide assembly of the present invention uses a low coefficient of friction material part or chain of low coefficient of friction material parts for guidance, resulting in significant cost reduction, while it minimizes the bend radius of the handrail, makes the actual radius the same as the handrail post radius, maximizes the possible contact area during bending, and can add solid lubricants to reduce wear and reduce friction, thus reducing heat generated in the handrail due to friction and heat generated due to repeated bending, reducing handrail local stress, increasing handrail life, and reducing handrail wear, aging, and cracking. Furthermore, since both the integrated low-friction coefficient component and the low-friction coefficient subcomponent chain of the present invention are only end-fixed to the balustrade post fixing portion, it is possible to conduct the force generated only by the handrail motion to between the end of the low-friction coefficient component and the balustrade post fixing portion or between the end of the low-friction coefficient subcomponent chain and the balustrade post fixing portion, thereby making it possible to monitor the tension on the handrail, generate a warning signal or perform tension control in the event of handrail damage or handrail tension variation. Further, the guidance assembly of the present invention is simple in construction, has fewer parts, is more reliable, and eliminates the possibility of handrail stripping or dust accumulation, thereby eliminating the need for cleaning and maintenance. Finally, the material of the guide assembly according to the invention can be recycled.
It should be understood that the illustrated embodiments are exemplary only, and should not be taken as limiting the invention, which is limited only by the scope of the appended claims. Many variations and modifications may be made to the illustrated embodiments without departing from the scope of the present invention.
Claims (20)
1. A moving handrail guide assembly for a balustrade portion of an elevator or moving walk-ladder, the guide assembly comprising:
a support profile mounted on the balustrade section having a flange and a cavity defined by a side wall and a bottom;
a low coefficient of friction component or chain of low coefficient of friction subcomponents secured to the handrail post portion at only two ends and having a loose fit and lubricating contact between the flange of the support profile and the handrail bottom, the low coefficient of friction component comprising a single component, the chain of low coefficient of friction subcomponents comprising a plurality of low coefficient of friction subcomponents, the or each low coefficient of friction component having a profile that conforms to the cavity of the support profile and each low coefficient of friction subcomponent end connected to each other to cover the opening of the cavity,
wherein a sensor is arranged between an end of the chain of low-friction components or low-friction subcomponents and a fixing part of the handrail column portion.
2. The moving handrail guide assembly of claim 1, wherein a sensor is disposed between the plurality of low-friction coefficient sub-components.
3. The moving handrail guide assembly of claim 1, wherein the bottom of the support profile has a central projection for seating on the handrail column portion.
4. The moving handrail guide assembly of claim 1 wherein the or each low coefficient of friction member fits into the cavity of the support profile on three sides of the bottom, two sides, and engages the handrail underside on the upper side to guide the handrail.
5. The moving handrail guide assembly of claim 3, wherein an upper side of the plurality of low friction members together with the flange support the handrail.
6. The moving handrail guide assembly of claim 5, wherein the flange of the support formation is a loose fit with the handrail.
7. The moving handrail guide assembly of claim 1, wherein the chain of low-friction components or low-friction subcomponents extends the length of the entire handrail column portion.
8. The moving handrail guide assembly of claim 1, wherein each low-friction coefficient sub-component of the chain of low-friction coefficient sub-components or low-friction coefficient sub-components is comprised of a low-friction coefficient material.
9. The moving handrail guide assembly of claim 1, wherein each low-friction coefficient sub-component of the chain of low-friction coefficient sub-components is comprised of an upper and a lower two parts.
10. The moving handrail guide assembly of claim 9, wherein the upper portion is comprised of a low coefficient of friction material and the lower portion is comprised of a material that is rigid and tends to dissipate heat.
11. The moving handrail guide assembly of claim 8 or 10 wherein the low coefficient of friction material is a composite polymer.
12. The moving handrail guidance assembly of claim 11, wherein the composite polymer is high density polyethylene with a heat conduction enhancing composition added thereto.
13. The moving handrail guidance assembly of claim 12, wherein the thermal conductivity enhancing composition comprises carbon nanotubes, graphite, graphene, or carbon fibers.
14. The moving handrail guide assembly of claim 10, wherein the rigid and heat dissipating material is aluminum.
15. The moving handrail guide assembly of claim 9, wherein the upper portion and the lower portion are joinable together.
16. The moving handrail guide assembly of claim 9, wherein the upper portion and the lower portion slide against each other independently.
17. The moving handrail guide assembly of claim 1 or 2, wherein the sensor provided between the end of the chain of low-friction components or low-friction subcomponents and the fixed part of the handrail column portion or between the plurality of low-friction subcomponents is a tension sensor.
18. The moving handrail guide assembly of claim 1, wherein each sub-member of the or a chain of low coefficient of friction sub-members is provided with a wear sensor for detecting wear through changes in resistance, capacitance or inductance.
19. A moving handrail detection method comprises the following steps:
providing a moving handrail guide assembly according to any preceding claim;
a tension sensor is arranged between the end of the chain of low-friction components or low-friction sub-components and the fixing part of the handrail column portion.
20. The moving handrail detection method of claim 19, further comprising providing a wear sensor in each low-friction coefficient sub-component of the chain of low-friction coefficient sub-components or the low-friction coefficient sub-components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368217.1A CN108946420B (en) | 2017-05-23 | 2017-05-23 | Moving handrail guide assembly for the balustrade section of an elevator or moving walk-board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368217.1A CN108946420B (en) | 2017-05-23 | 2017-05-23 | Moving handrail guide assembly for the balustrade section of an elevator or moving walk-board |
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| CN108946420A CN108946420A (en) | 2018-12-07 |
| CN108946420B true CN108946420B (en) | 2021-09-03 |
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| CN201710368217.1A Active CN108946420B (en) | 2017-05-23 | 2017-05-23 | Moving handrail guide assembly for the balustrade section of an elevator or moving walk-board |
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| CN207596297U (en) * | 2017-05-23 | 2018-07-10 | 通力股份公司 | The mobile handrail guide assembly of the guardrail post part of elevator or mobile Stairs |
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|---|---|---|---|---|
| EP0436191A1 (en) * | 1990-01-04 | 1991-07-10 | Otis Elevator Company | Flexible escalator handrail |
| EP1091903B1 (en) * | 1998-07-01 | 2003-04-16 | Kone Corporation | Hand rail guide for an escalator or moving pavement |
| JP2005075623A (en) * | 2003-09-03 | 2005-03-24 | Mitsubishi Electric Corp | Moving handrail guide device of passenger conveyor |
| CN102267658A (en) * | 2004-02-03 | 2011-12-07 | 通力股份公司 | Travelator, moving ramp or escalator |
| CN101610966A (en) * | 2007-03-05 | 2009-12-23 | 株式会社日立制作所 | Apparatus of passenger conveyor |
| CN102026901A (en) * | 2008-05-21 | 2011-04-20 | 因温特奥股份公司 | Handrail for an escalator or a moving sidewalk |
| CN104860184A (en) * | 2014-02-21 | 2015-08-26 | 株式会社日立制作所 | Passenger conveying apparatus |
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| Publication number | Publication date |
|---|---|
| CN108946420A (en) | 2018-12-07 |
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