EP0608125B1 - Escalator balustrade skirt panel - Google Patents
Escalator balustrade skirt panel Download PDFInfo
- Publication number
- EP0608125B1 EP0608125B1 EP94300393A EP94300393A EP0608125B1 EP 0608125 B1 EP0608125 B1 EP 0608125B1 EP 94300393 A EP94300393 A EP 94300393A EP 94300393 A EP94300393 A EP 94300393A EP 0608125 B1 EP0608125 B1 EP 0608125B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- skirt panel
- panel
- steps
- escalator
- skirt
- 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.)
- Expired - Lifetime
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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
- B66B23/22—Balustrades
Definitions
- This invention relates to escalators in general, and escalator balustrades in particular.
- Escalators, moving walkways, and other people moving devices efficiently move a large volume of pedestrian traffic from one point to another.
- Passengers step on moving steps (or belts, or pallets) and are transported along at a constant rate of speed.
- passenger handrails are provided, traveling in the same direction and speed as the steps.
- a balustrade assembly supports and guides one of the handrails on each side of the steps.
- Each balustrade assembly includes a balustrade panel which extends up from a base to support the handrail.
- the base consists of an outer decking, an inner profile, and a skirt panel.
- the outer decking encloses the mechanics on the side of the balustrade panel opposite the moving steps.
- the inner profile encloses the mechanics adjacent the moving steps.
- the inner profile also provides a transition section between the balustrade panel and the skirt panel.
- skirt panel lies in close proximity to, but out of contact with, the moving steps. Because of the proximity to the moving steps, the skirt panel must be a rigid panel to prevent pinching between the panel and the steps.
- Skirt panels typically are fabrications of structural members and sheet metal. The sheet metal provides the face in close proximity to the steps and the structural members add rigidity to the fabrication. It is known in the art that the hardware necessary to locate and hold the skirt panel relative to the steps may be incorporated into the structural members. For example, if bolts with "T"-shaped heads are used to locate and position the skirt panel, mating "C"-shaped channels would be formed in the structural members. Alternatively, mounting hardware independent of the structural members may be used to mount the fabricated skirt panel; e.g. independent "C"-shaped channels or nuts attached to the structural members. These fabricated panels may be created as one piece assemblies or as multiple sub-assemblies.
- skirt panels There are several disadvantages to fabricated skirt panels.
- Second, creating a fabrication adds manufacturing steps, and therefore time and expense to the manufacturing process.
- FR-A-2467813 discloses, in an escalator or the like having a plurality of moving steps or the like, a balustrade skirt panel comprising a front surface, a back surface, a plurality of ribs positioned between said front and back surfaces, and maintaining means for maintaining said skirt panel in close proximity to the said steps.
- the present invention is characterised in that the said ribs are integrally formed with the said front and back surfaces of the panel, so that the panel is in one piece, and in that adjustable positioning means is provided for positioning the panel in a plane perpendicular to the said steps.
- the skirt panel is formed of homogenous material.
- a guide means is provided for guiding the moving steps.
- An advantage of the present invention is that a one piece skirt panel is provided.
- the one piece design eliminates the need to assemble several sections of skirt panel together, thereby simplifying both manufacturing and assembly.
- Another advantage of the present invention is the strength of the surface and rib construction.
- the surface and rib construction minimizes deflection of the skirt panel away from the steps.
- the surface and rib construction also eliminates the need to attach stiffening members to the back surface and therefore any unsightly attachment deformations as well.
- Another advantage of the present invention is the facility to incorporate peripheral brackets and other hardware. Incorporating the peripheral hardware and brackets minimizes the number of pieces in the balustrade assembly. As a result, both assembly and maintenance of the balustrade assembly are facilitated.
- an escalator having a frame 10, a plurality of moving steps 12, and a pair of balustrade assemblies 14.
- the steps 12 are connected to a step chain 16 which is driven around a circuitous path by an electric drive motor 18.
- a handrail 19 is driven in the same direction and speed as the steps 12, as in known in the art.
- the handrails 19 enable the passenger(s) (not shown) to steady themselves while riding the escalator.
- each balustrade assembly 14 includes a balustrade panel 20 which extends up from a base 22 to support and guide the handrail 19. Externally, the base 22 includes an inner profile 26 and a skirt panel 28.
- the skirt panel 28 is formed from a homogenous material. Homogenous is defined as a material uniform in composition throughout.
- the skirt panel 28 includes a front surface 30, a back surface 32, a plurality of ribs 34 integrally formed with the front 30 and back 32 surfaces, and maintaining means 36 for maintaining the panel 28 in close proximity to the moving steps 12.
- a flange 38 attached to the front surface 30 extends above the upper most rib 40. The flange 38 is offset to permit the inner profile 26 to attach to the flange 38 with the outer surface 41 of the inner profile 26 flush with the front surface 30.
- a mating bolt assembly 37 maintains the panel in close proximity to the moving steps 12.
- the mating bolt assembly 37 includes a plurality of "C-shaped" channels 42 integrally formed in the back surface 32 of the skirt panel 28 during the extrusion process.
- "T-shaped” bolts 44 are received within the C-channels 42 and rotated to prevent relative motion between the bolts 44 and the channels 42.
- the bolts 44 are fixed to mounting hardware 46 conventionally attached to the frame 10 of the escalator, thereby rigidly fixing the skirt panel 28 to the frame 10.
- C-channels and T-bolts are an example of a mating male and female maintaining means 36 and that other mating geometries may be used alternatively.
- the skirt panel 28 further comprises a lip 50 integrally formed in the skirt panel 28 structure during the extrusion process.
- the lip 50 and a bolt 52 act as an adjustable positioning means 48 to position the skirt panel in the plane perpendicular to the steps 12.
- the lip 50 extends outwardly from the back surface 32 of the skirt panel 28.
- the bolt 52 conventionally attaches to either the frame 10 or to a bracket 46 attached to the frame 10.
- the bolt 52 is adjusted under the lip 50 extending out from the back surface 32 of the skirt panel 28, thereby enabling the lip 50 and skirt panel 28 to rest on the bolt 52.
- the bolt 52 prevents the skirt panel 28 from moving below that point.
- the skirt panel 28 further comprises a surface 58 which acts as a guide means 54 for guiding rollers 56 attached to the moving steps 12.
- the flat surface 58 is integrally formed in the skirt panel 28 between the front 30 and back 32 surfaces.
- the flat surface 58 connects the edges of the front 30 and back 32 surfaces opposite the flange 38 attached to the inner profile 26.
- the flat surface 58 serves as an upthrust track to limit the distance the rollers 56 can travel from a step chain guide track 61 attached to the frame 10.
- a face panel 60 is attached to the front surface 30 of the skirt panel 28.
- a tab 62 attached to the face panel 60 is received within a slot 64 formed in the front surface 30 of the skirt panel 28 adjacent the flat surface 58.
- the opening 66 of the slot 64 is flush with the plane of the front surface 30.
- the remainder of the face panel 64 is glued to the front surface 30.
- the face panel 64 comprised of decorative material such as brass, stainless steel, colored hardened plastics, or others, serves as both a cosmetic panel and a wear panel.
- balustrade skirt panel 28 described heretofore as an escalator balustrade skirt panel may also be described as a moving walkway balustrade skirt panel, or any other people moving device balustrade skirt panel.
- a moving walkway not shown
- the skirt panel 28 would be adjacent to a moving belt (or pallet; neither is shown) rather than the moving steps 12 of an escalator.
- the present invention at least in its preferred forms, provides a low cost one piece skirt panel for an escalator balustrade assembly which facilitates assembly and maintenance; and furthermore provides such a skirt panel which minimizes deflection of the skirt panel away from the steps; and furthermore provides such a skirt panel which incorporates numerous peripheral brackets, thereby minimizing the number of pieces in the balustrade assembly; and furthermore provides arrangements which minimize or eliminate marring of the exposed skirt panel surface.
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
Description
- This invention relates to escalators in general, and escalator balustrades in particular.
- Escalators, moving walkways, and other people moving devices efficiently move a large volume of pedestrian traffic from one point to another. Passengers step on moving steps (or belts, or pallets) and are transported along at a constant rate of speed. For safety reasons, passenger handrails are provided, traveling in the same direction and speed as the steps. A balustrade assembly supports and guides one of the handrails on each side of the steps.
- Each balustrade assembly includes a balustrade panel which extends up from a base to support the handrail. Externally, the base consists of an outer decking, an inner profile, and a skirt panel. The outer decking encloses the mechanics on the side of the balustrade panel opposite the moving steps. The inner profile encloses the mechanics adjacent the moving steps. The inner profile also provides a transition section between the balustrade panel and the skirt panel.
- The skirt panel lies in close proximity to, but out of contact with, the moving steps. Because of the proximity to the moving steps, the skirt panel must be a rigid panel to prevent pinching between the panel and the steps. Skirt panels typically are fabrications of structural members and sheet metal. The sheet metal provides the face in close proximity to the steps and the structural members add rigidity to the fabrication. It is known in the art that the hardware necessary to locate and hold the skirt panel relative to the steps may be incorporated into the structural members. For example, if bolts with "T"-shaped heads are used to locate and position the skirt panel, mating "C"-shaped channels would be formed in the structural members. Alternatively, mounting hardware independent of the structural members may be used to mount the fabricated skirt panel; e.g. independent "C"-shaped channels or nuts attached to the structural members. These fabricated panels may be created as one piece assemblies or as multiple sub-assemblies.
- There are several disadvantages to fabricated skirt panels. First, to provide the rigidity necessary, the structural members and the sheet metal faces must be attached by weld or by fasteners. Either way, the exposed panel face is marred by heat discoloration or by fasteners. Second, creating a fabrication adds manufacturing steps, and therefore time and expense to the manufacturing process. Third, in the case of a fabrication consisting of sub-assemblies, all of the sub-assemblies must be aligned and assembled during manufacturing. In sum, fabricated skirt panels have several disadvantages which negatively affect the manufacturing process.
- FR-A-2467813 discloses, in an escalator or the like having a plurality of moving steps or the like, a balustrade skirt panel comprising a front surface, a back surface, a plurality of ribs positioned between said front and back surfaces, and maintaining means for maintaining said skirt panel in close proximity to the said steps.
- The present invention is characterised in that the said ribs are integrally formed with the said front and back surfaces of the panel, so that the panel is in one piece, and in that adjustable positioning means is provided for positioning the panel in a plane perpendicular to the said steps.
- Preferably the skirt panel is formed of homogenous material.
- Preferably a guide means is provided for guiding the moving steps.
- An advantage of the present invention is that a one piece skirt panel is provided. The one piece design eliminates the need to assemble several sections of skirt panel together, thereby simplifying both manufacturing and assembly.
- Another advantage of the present invention is the strength of the surface and rib construction. The surface and rib construction minimizes deflection of the skirt panel away from the steps. The surface and rib construction also eliminates the need to attach stiffening members to the back surface and therefore any unsightly attachment deformations as well.
- Another advantage of the present invention is the facility to incorporate peripheral brackets and other hardware. Incorporating the peripheral hardware and brackets minimizes the number of pieces in the balustrade assembly. As a result, both assembly and maintenance of the balustrade assembly are facilitated.
- An embodiment of the invention will now be described by way of example and with reference to the accompanying drawings, in which:-
- FIG. 1 shows a perspective view of an escalator partially cut away, having a pair of balustrade assemblies with a plurality of moving steps therebetween;
- FIG. 2 is a cross-sectional view of a balustrade assembly; and
- FIG. 3 is the cross-sectional view shown in FIG. 2, with the addition of a face panel attached to the skirt panel.
- Referring to FIG. 1, an escalator is shown having a
frame 10, a plurality ofmoving steps 12, and a pair ofbalustrade assemblies 14. Thesteps 12 are connected to astep chain 16 which is driven around a circuitous path by anelectric drive motor 18. On each side of thesteps 12, ahandrail 19 is driven in the same direction and speed as thesteps 12, as in known in the art. Thehandrails 19 enable the passenger(s) (not shown) to steady themselves while riding the escalator. - Now referring to FIG. 2, each
balustrade assembly 14 includes abalustrade panel 20 which extends up from abase 22 to support and guide thehandrail 19. Externally, thebase 22 includes aninner profile 26 and askirt panel 28. - The
skirt panel 28 is formed from a homogenous material. Homogenous is defined as a material uniform in composition throughout. Theskirt panel 28 includes afront surface 30, aback surface 32, a plurality ofribs 34 integrally formed with thefront 30 and back 32 surfaces, andmaintaining means 36 for maintaining thepanel 28 in close proximity to themoving steps 12. Aflange 38 attached to thefront surface 30 extends above the upper mostrib 40. Theflange 38 is offset to permit theinner profile 26 to attach to theflange 38 with theouter surface 41 of theinner profile 26 flush with thefront surface 30. Amating bolt assembly 37 maintains the panel in close proximity to themoving steps 12. In one embodiment, themating bolt assembly 37 includes a plurality of "C-shaped"channels 42 integrally formed in theback surface 32 of theskirt panel 28 during the extrusion process. "T-shaped"bolts 44 are received within the C-channels 42 and rotated to prevent relative motion between thebolts 44 and thechannels 42. Thebolts 44 are fixed to mountinghardware 46 conventionally attached to theframe 10 of the escalator, thereby rigidly fixing theskirt panel 28 to theframe 10. A person of skill in the art will recognize that C-channels and T-bolts are an example of a mating male and female maintaining means 36 and that other mating geometries may be used alternatively. - The
skirt panel 28 further comprises alip 50 integrally formed in theskirt panel 28 structure during the extrusion process. Thelip 50 and abolt 52 act as an adjustable positioning means 48 to position the skirt panel in the plane perpendicular to thesteps 12. Thelip 50 extends outwardly from theback surface 32 of theskirt panel 28. Thebolt 52 conventionally attaches to either theframe 10 or to abracket 46 attached to theframe 10. When theskirt panel 28 is properly positioned in the plane perpendicular to thesteps 12, thebolt 52 is adjusted under thelip 50 extending out from theback surface 32 of theskirt panel 28, thereby enabling thelip 50 andskirt panel 28 to rest on thebolt 52. Thebolt 52 prevents theskirt panel 28 from moving below that point. - The
skirt panel 28 further comprises asurface 58 which acts as a guide means 54 for guidingrollers 56 attached to themoving steps 12. Theflat surface 58 is integrally formed in theskirt panel 28 between thefront 30 and back 32 surfaces. Theflat surface 58 connects the edges of thefront 30 and back 32 surfaces opposite theflange 38 attached to theinner profile 26. Theflat surface 58 serves as an upthrust track to limit the distance therollers 56 can travel from a step chain guide track 61 attached to theframe 10. - Referring to FIG.3, in one embodiment a
face panel 60 is attached to thefront surface 30 of theskirt panel 28. Atab 62 attached to theface panel 60 is received within aslot 64 formed in thefront surface 30 of theskirt panel 28 adjacent theflat surface 58. Theopening 66 of theslot 64 is flush with the plane of thefront surface 30. The remainder of theface panel 64 is glued to thefront surface 30. Theface panel 64, comprised of decorative material such as brass, stainless steel, colored hardened plastics, or others, serves as both a cosmetic panel and a wear panel. - A person of skill in the art will recognize that the
balustrade skirt panel 28 described heretofore as an escalator balustrade skirt panel, may also be described as a moving walkway balustrade skirt panel, or any other people moving device balustrade skirt panel. In the case of a moving walkway (not shown), theskirt panel 28 would be adjacent to a moving belt (or pallet; neither is shown) rather than the movingsteps 12 of an escalator. - It will thus be seen that the present invention at least in its preferred forms, provides a low cost one piece skirt panel for an escalator balustrade assembly which facilitates assembly and maintenance; and furthermore provides such a skirt panel which minimizes deflection of the skirt panel away from the steps; and furthermore provides such a skirt panel which incorporates numerous peripheral brackets, thereby minimizing the number of pieces in the balustrade assembly; and furthermore provides arrangements which minimize or eliminate marring of the exposed skirt panel surface.
Claims (7)
- In an escalator or the like having a plurality of moving steps (12) or the like, a balustrade skirt panel (28) comprising a front surface (30), a back surface (32), a plurality of ribs (34) positioned between said front and back surfaces, and maintaining means (36) for maintaining said skirt panel in close proximity to the said steps, characterised in that the said ribs are integrally formed with the said front and back surfaces of the panel, so that the panel is in one piece, and in that adjustable positioning means (50,52) is provided for positioning the panel in a plane perpendicular to the said steps.
- Apparatus according to claim 1, in which the said skirt panel (28) is formed of homogenous material.
- Apparatus according to claim 1 or 2, wherein said maintaining means (36) comprises a plurality of channels (42) integrally formed in said skirt panel (28), and means (44) cooperating with said channels for adjustably securing said skirt panel to a frame member (46) of the escalator.
- Apparatus according to any of claims 1 to 3, wherein said adjustable positioning means comprises a lip (50) integrally formed with and extending out from the said back surface (32) of the skirt panel (28), and a bolt (52) adjustably attached to a frame member (46) of the escalator and in register with said lip, thereby supporting and permitting adjustment of said skirt panel in a plane perpendicular to the steps (12).
- Apparatus according to any preceding claim, which further includes guide means (56,58) associated with the said skirt panel (28) for guiding the moving steps (12).
- Apparatus according to claim 5, wherein said guide means comprises an upthrust track (58) positioned parallel to a roller track (61) attached to a frame member (46) of the escalator, wherein a plurality of rollers (56) attached to the movable steps (12) traverse between the roller track and said upthrust track.
- Apparatus according to any preceding claim, further comprising a face panel (60) attached to said front surface (30) of said skirt panel (28).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US741893A | 1993-01-22 | 1993-01-22 | |
US7418 | 1993-01-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0608125A1 EP0608125A1 (en) | 1994-07-27 |
EP0608125B1 true EP0608125B1 (en) | 1997-12-17 |
Family
ID=21726038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94300393A Expired - Lifetime EP0608125B1 (en) | 1993-01-22 | 1994-01-19 | Escalator balustrade skirt panel |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0608125B1 (en) |
JP (1) | JP3466687B2 (en) |
AT (1) | ATE161241T1 (en) |
DE (1) | DE69407314T2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10227214B1 (en) | 2018-03-13 | 2019-03-12 | Otis Elevator Company | Passenger conveyor skirt panel positioning assembly |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001261273A (en) * | 2000-03-22 | 2001-09-26 | Toshiba Elevator Products Kk | Handrail of man conveyer |
RU2508242C2 (en) * | 2012-03-22 | 2014-02-27 | Закрытое акционерное общество "Эскомстроймонтаж-сервис" (ЗАО "Эс-сервис") | Moving stairway |
RU2514526C2 (en) * | 2012-04-24 | 2014-04-27 | Закрытое акционерное общество "Эскомстроймонтаж-сервис" (ЗАО "Эс-сервис") | Moving stairway railing apron |
CN112225055A (en) * | 2020-11-09 | 2021-01-15 | 通力电梯有限公司 | Protection device and handrail belt cleaning equipment for escalator |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2785286A (en) * | 1952-11-08 | 1957-03-12 | Otis Elevator Co | Moving stairway panelling |
FR1450416A (en) * | 1964-08-05 | 1966-06-24 | Otis Elevator Co | Escalator |
DE2941773C2 (en) * | 1979-10-16 | 1984-03-08 | Thyssen Aufzüge GmbH, 7303 Neuhausen | Boundary pedestals for escalators or moving walks |
US5029690A (en) * | 1990-09-10 | 1991-07-09 | Otis Elevator Company | Decking trim fastening for curved escalator |
-
1994
- 1994-01-19 EP EP94300393A patent/EP0608125B1/en not_active Expired - Lifetime
- 1994-01-19 DE DE69407314T patent/DE69407314T2/en not_active Expired - Fee Related
- 1994-01-19 AT AT94300393T patent/ATE161241T1/en not_active IP Right Cessation
- 1994-01-24 JP JP00557294A patent/JP3466687B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10227214B1 (en) | 2018-03-13 | 2019-03-12 | Otis Elevator Company | Passenger conveyor skirt panel positioning assembly |
Also Published As
Publication number | Publication date |
---|---|
DE69407314D1 (en) | 1998-01-29 |
JPH06255971A (en) | 1994-09-13 |
DE69407314T2 (en) | 1998-04-23 |
EP0608125A1 (en) | 1994-07-27 |
ATE161241T1 (en) | 1998-01-15 |
JP3466687B2 (en) | 2003-11-17 |
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