GB2099036A - Stair-nosing strips - Google Patents

Stair-nosing strips Download PDF

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Publication number
GB2099036A
GB2099036A GB8214722A GB8214722A GB2099036A GB 2099036 A GB2099036 A GB 2099036A GB 8214722 A GB8214722 A GB 8214722A GB 8214722 A GB8214722 A GB 8214722A GB 2099036 A GB2099036 A GB 2099036A
Authority
GB
United Kingdom
Prior art keywords
strip
surface area
lighting member
forwardly
nosing
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.)
Granted
Application number
GB8214722A
Other versions
GB2099036B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIVOLI LIGHTING SYSTEMS Ltd
Original Assignee
TIVOLI LIGHTING SYSTEMS Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TIVOLI LIGHTING SYSTEMS Ltd filed Critical TIVOLI LIGHTING SYSTEMS Ltd
Priority to GB8214722A priority Critical patent/GB2099036B/en
Publication of GB2099036A publication Critical patent/GB2099036A/en
Application granted granted Critical
Publication of GB2099036B publication Critical patent/GB2099036B/en
Expired legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • E04F11/104Treads
    • E04F11/16Surfaces thereof; Protecting means for edges or corners thereof
    • E04F11/163Protecting means for edges or corners
    • E04F11/166Protecting means for edges or corners with means for fixing a separate edging strip
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • E04F11/104Treads
    • E04F2011/1046Miscellaneous features of treads not otherwise provided for
    • E04F2011/1048Miscellaneous features of treads not otherwise provided for with lighting means

Abstract

Stair-nosing strips comprise a reduced-slip top (first) portion 12 and an illuminated lower (second) portion 16 to enhance safety in descending or ascending stairs. Said second portion may have a channel to receive an extended lighting member of small sources spaced apart throughout its length in a low-voltage arrangement, e.g. in a casing of polycarbonate, possibly at least partly coloured. <IMAGE>

Description

SPECIFICATION Step-nosing strips This invention relates to step-nosing strips.
(The "nose" of a step is that portion at, and adjacent to, its top front edge.) For internal stairs, such a strip is usually called a stair-nosing strip.
Stair-nosing strips with a reduced-slip top provide a measure of safety by helping to prevent a person's foot from slipping when placed near the front edge instead of on the broad top of a step, particularly when coming down the step. They do nothing to prevent a person from stumbling when climbing a step and misjudging its height.
One of the present inventors has proposed a stair-nosing strip comprising a strip-light. This provides a measure of safety by helping to prevent misjudgment and stumbling when going up a step.
However, in order to be sufficiently robust for practical use, this strip has to have an essentially L-shaped cross-section and fix to the front and top of a step and precludes the use of a reduced-slip strip on top of the nose of a step. Thus, this improves safety going up steps but not down.
The present invention provides a step-nosing strip having a first portion to fit on the top of a step nose and a second portion to fit over the front of the step nose, the first portion having a reduced-slip upper surface area and the second portion being adapted to be illuminated. This, for the first time, enables safety to be improved to a substantial extent, both for ascending and descending of the step.
To prevent undue damage to the strip, it is preferable for the illuminated portion not to reach to the very top of the step, in which case an adequate compromise between durability and safety is provided if a third portion of not more than 1 5 mm height has a substantial backwards slope from the second portion to the first portion which portions it interconnects.
The strip may be illuminated from one or both sides, but more even and better illumination is provided if said second portion comprises a channel substantially throughout its length to receive an extended lighting member The strip may comprise the lighting member. A particularly convenient mode of manufacture results in said lighting member comprising a plurality of small sources spaced apart throughout its length. For improved safety, these small sources may be substantially spot-sources in a low-voltage arrangement. For further convenience of manufacture, added robustness and hence improved safety, the lighting member may comprise a casing of polycarbonate or other highimpact light-permeable plastics material.For decorative purposes, and to be more noticeable (which improves safety), the lighting member may be adapted to provide coloured light along at least part of its length, e.g. by using coloured translucent material for the casing or by using coloured bulbs within a non-coloured casing.
To give maximum illumination, the channel may be forwardly pointing or, for improved resistance to damage, the channel may be downwardly pointing towards a forwardly reflecting portion of the strip.
To reduce the likelihood of a person's toe catching under the illuminated portion, the bottom of the strip may comprise a forwardly upwardly sloping guide tending to guide a toe, encountering the bottom of the strip, forwardly and upwardly and hence over said second portion. This will reduce the likelihood of stumbling and of damage to the strip.
For ease of manufacture, said upper surface area may be textured to give it a reduced-slip quality, e.g. by the formation of pimples, grooves or roughening therein. However, a much better safety factor is provided if said upper surface area comprises an insert of friction material. A reasonable degree of safety is provided if said upper surface area reaches to within 4 mm of the front of said first portion, i.e. where the slope of said third portion starts, the optimum being when it reaches to within 2 mm, or alternatively to within 1 5 mm horizontally (and preferably 10 mm) of the frontmost part of the strip.For convenience of manufacture, the strip may comprise a body member formed as an extrusion, e.g. of a metal such as, for instance aluminium, brass or phosphor-brcnze, depending upon the application, or may be of high impact thermoplastics materiai, e.g. PVC, which may be moulded or an extrusion.
For improved safety a safety device may comprise at least one strip comprising said first and second portions, and a supply circuit for at least part of an illuminating source therefor which circuit comprises an automatically engageable emergency power source. Such strip may be provided with an illuminating source for normal use and be arranged for lesser consumption for illumination for emergency use. For example, alternate "spot" sources may be the only ones connected for alternative normal and emergency use. Again, there may be provided a plurality of "spot" sources spaced apart along the strip and connected only for emergency use. It may be appropriate, e.g. for testing purposes or to provide information that an emergency situation exists, for these to be of a different colour from the other "spot" sources.The emergency sources may, in some circumstances, provide a better safety factor if brighter than the normal "spot" sources.
Reference will now be made by way of example to the accompanying drawings in which: Fig. 1 is a cross-section through a strip embodying the invention; and Fig. 2 is a similar view of a second embodiment of the invention.
Referring to the drawings, a step-nosing strip 10 having a first portion 12 to fit on the top 14 of a step nose and a second portion 1 6 to fit over the front 1 8 of the step nose, the first portion 1 2 having a reduced-slip upper surface area 20 and the second portion 1 6 being adapted to be illuminated. A third portion 22 of not more than 1 5 mm height has a substantial backwards slope from the second portion 1 6 to the first portion 12 which portions it interconnects. Said second portion 1 6 comprises a channel 24 substantially throughout its length (which is perpendicular to the plane of the drawing) to receive an extended lighting member 26. As shown, the strip rests on an upper carpet portion 28 and accommodates the top of a front carpet portion 30.Said lighting member 26 comprises a plurality of small sources spaced apart throughout its length. Said small sources may be substantially spot-sources in a low-voltage arrangement. Such lighting members may be in accordance with United States patent 3755663 and can be obtained from Tivoli Lighting Systems Limited of London, England. The lighting member may comprise a casing of polycarbonate or other high-impact light-permeable plastics material. The lighting member may be adapted to provide coloured light along at least part of its length.
As illustrated in Fig. 1 , the channel 24 is forwardly pointing. In an alternative embodiment, as illustrated in Fig. 2, the channel 24 is replaced by a channel 32 which is downwardly pointing towards a forwardly reflecting portion 34 of the strip.
The bottom of the strip 5 0 comprises a forwardly upwardly sloping guide 36 tending to guide a toe, encountering the bottom of the strip 10, forwardly and upwardly and hence over said second portion 1 6. The guide 36 has a bottom edge 38 forward of the rear of said second portion 16 to accommodate carpet 30 behind such edge 38. Alternatively, if said carpet 30 is not provided, the guide 38 may be extended by a portion 40, as shown in dashed lines, to rest against the front 1 8 of the step nose.
Although the upper surface 20 may be textured to give it a reduced-slip quality, as described above, in the illustrated embodiment it comprises an insert 42 of friction material. Such material may be obtained from Ferodo Limited of Chapel-en-le Frith, England. The area 20 reaches to within 4 mm of the front of said first portion 12, and to within 10 mm horizontally of the frontmost part 46 of the strip.
The strip 10 comprises a body member 44 (including portions 12 and 1 6) formed as an extrusion. The body member may be of aluminium or of high impact thermoplastics material.
In use, there is provided a safety device comprising at least one strip 10 and a supply circuit for at least part of an illuminating source (26) therefor, which circuit comprises an automatically engageable emergency power source. This may of any usual kind which is brought into operation upon failure of the main power supply. Preferably, said strip is provided with an illuminating source (26) for normal use and is arranged for lesser consumption for illumination for emergency use. This will ensure smaller drain on the emergency power source.
The strip 10 may be fixed to the step nose by screws (not shown) through portion 12 and through the rear of channel 24.

Claims (24)

1. A step-nosing strip having a first portion to fit on the top of a step nose and a second portion to fit over the front of the step nose, the first portion having a reduced-slip upper surface area and the second portion being adapted to be illuminated.
2. A strip as claimed in claim 1, in which a third portion of not more than 1 5 mm height has a substantial backwards slope from the second portion to the first portion which portions it interconnects.
3. A strip as claimed in claim 1 or 2, in which said second portion comprises a channel substantially throughout its length to receive an extended lighting member.
4. A strip as claimed in claim 3, comprising said lighting member
5. A strip as claimed in claim 4, in which said lighting member comprises a plurality of small sources spaced apart throughout its length.
6. A strip as claimed in claim 5, in which said small sources are substantially spot-sources in a low-voltage arrangement.
7. A strip as claimed in any one of claims 4 to 6, in which the lighting member comprises a casing of polycarbonate or other high-impact lightpermeable plastics material.
8. A strip as claimed in any one of claims 4 to 7, in which the lighting member is adapted to provide coloured light along at least part of its length.
9. A strip as claimed in any one of claims 3 to 8, in which the channel is forwardly pointing.
10. A strip as claimed in any one of claims 3 to 8, in which the channel is downwardly pointing towards a forwardly reflecting portion of the strip.
11. A strip as claimed in any preceding claim, in which the bottom of the strip comprises a forwardly upwardly sloping guide tending to guide a toe, encountering the bottom of the strip, forwardly and upwardly and hence over said second portion.
12. A strip as claimed in claim 1 in which said guide has a bottom edge forward of the rear of said second portion to accommodate carpet behind such edge.
13. A strip as claimed in any preceding claim, in which said upper surface area is textured to give it a reduced-slip quality.
14. A strip as claimed in any one of claims 1 to 12, in which said upper surface area comprises an insert of friction material.
1 5. A strip as claimed in any preceding claim, in which said upper surface area reaches to within 4 mm of the front of said first portion.
1 6. A strip as claimed in any preceding claim, in which said upper surface area reaches to within 1 5 mm horizontally of the frontmost part of the strip.
17. A strip as claimed in claim 16, in which said upper surface area reaches to within 10 mm horizontally of the frontmost part of the strip.
1 8. A strip as claimed in any preceding claim, comprising a body member formed as an extrusion.
1 9. A strip as claimed in any preceding claim, comprising a body member of high impact thermoplastics material.
20. A step-nosing strip as claimed in claim 1 and substantially according to any embodiment hereinbefore described.
21. A step-nosing strip substantially according to any embodiment hereinbefore described with reference to, and illustrated in, the accompanying drawings.
22. A safety device comprising at least one strip as claimed in any preceding claim and a supply circuit for at least part of an illuminating source therefor which circuit comprises an automatically engageable emergency power source.
23. A device as claimed in claim 22, in which said strip is provided with an illuminating source for normal use and is arranged for lesser consumption for illumination for emergency use.
24. A safety device as claimed in claim 22, and substantially according to any embodiment hereinbefore described.
GB8214722A 1981-05-22 1982-05-20 Stair-nosing strips Expired GB2099036B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8214722A GB2099036B (en) 1981-05-22 1982-05-20 Stair-nosing strips

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8115726 1981-05-22
GB8214722A GB2099036B (en) 1981-05-22 1982-05-20 Stair-nosing strips

Publications (2)

Publication Number Publication Date
GB2099036A true GB2099036A (en) 1982-12-01
GB2099036B GB2099036B (en) 1983-12-21

Family

ID=26279561

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8214722A Expired GB2099036B (en) 1981-05-22 1982-05-20 Stair-nosing strips

Country Status (1)

Country Link
GB (1) GB2099036B (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142672A (en) * 1983-06-02 1985-01-23 George Alistair Peacock Improved stair illumination
EP0152079A2 (en) * 1984-02-10 1985-08-21 Rolf Winter Illuminated stair nosing
GB2174734A (en) * 1985-04-01 1986-11-12 James R Roberts Stair nosing for indirect lighting of stairs
DE3638485A1 (en) * 1986-11-11 1988-05-26 Kuenne Herm Friedr STAIR EDGE PROFILE
DE3644988A1 (en) * 1986-11-11 1988-07-28 Herm Friedr Kuenne Fa Staircase step profiled edge piece - accommodates inserted rubber strip hollowed out and with expansion grooves on underside
GB2224291A (en) * 1988-11-01 1990-05-02 Ferodo Ltd Curved extruded step nosing
US5222799A (en) * 1990-08-21 1993-06-29 Diamond Stairlight Industries Stair lights
US5810468A (en) * 1997-06-02 1998-09-22 Shimada Enterprises, Inc. Step lighting
GB2324901A (en) * 1997-04-29 1998-11-04 Malham Lighting Design Ltd Lighting arrangement
FR2830555A1 (en) * 2001-10-10 2003-04-11 L D Illuminated stair tread edge has fixing rail with raised rear edge to engage with groove in extrusion fitted with lights
GB2433437A (en) * 2005-12-23 2007-06-27 Gradus Ltd Stair nosing
DE202008017074U1 (en) 2008-12-24 2009-03-12 tti Technologietransfer und Innovationsförderung Magdeburg GmbH emitting device
RU2680569C1 (en) * 2018-02-21 2019-02-22 Алексей Александрович Кулюшин Facing concrete element of stairs step

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142672A (en) * 1983-06-02 1985-01-23 George Alistair Peacock Improved stair illumination
EP0152079A2 (en) * 1984-02-10 1985-08-21 Rolf Winter Illuminated stair nosing
EP0152079A3 (en) * 1984-02-10 1987-06-16 Rolf Winter Illuminated stair nosing
GB2174734A (en) * 1985-04-01 1986-11-12 James R Roberts Stair nosing for indirect lighting of stairs
DE3638485A1 (en) * 1986-11-11 1988-05-26 Kuenne Herm Friedr STAIR EDGE PROFILE
EP0268889A1 (en) * 1986-11-11 1988-06-01 Herm. Friedr. Künne GmbH &amp; Co. Profile for the edges of steps
DE3644988A1 (en) * 1986-11-11 1988-07-28 Herm Friedr Kuenne Fa Staircase step profiled edge piece - accommodates inserted rubber strip hollowed out and with expansion grooves on underside
GB2224291A (en) * 1988-11-01 1990-05-02 Ferodo Ltd Curved extruded step nosing
US5222799A (en) * 1990-08-21 1993-06-29 Diamond Stairlight Industries Stair lights
GB2324901A (en) * 1997-04-29 1998-11-04 Malham Lighting Design Ltd Lighting arrangement
GB2324901B (en) * 1997-04-29 2001-05-02 Malham Lighting Design Ltd Lighting arrangements
US5810468A (en) * 1997-06-02 1998-09-22 Shimada Enterprises, Inc. Step lighting
USRE37113E1 (en) * 1997-06-02 2001-03-27 Shimada Enterprises Inc. Step lighting
FR2830555A1 (en) * 2001-10-10 2003-04-11 L D Illuminated stair tread edge has fixing rail with raised rear edge to engage with groove in extrusion fitted with lights
EP1302606A1 (en) * 2001-10-10 2003-04-16 L.D. Illuminated stair step nosing
GB2433437A (en) * 2005-12-23 2007-06-27 Gradus Ltd Stair nosing
GB2433437B (en) * 2005-12-23 2011-02-16 Gradus Ltd Stair nosing
DE202008017074U1 (en) 2008-12-24 2009-03-12 tti Technologietransfer und Innovationsförderung Magdeburg GmbH emitting device
RU2680569C1 (en) * 2018-02-21 2019-02-22 Алексей Александрович Кулюшин Facing concrete element of stairs step
WO2019164424A1 (en) * 2018-02-21 2019-08-29 Алексей Александрович КУЛЮШИН Concrete surfacing element for a stairway step

Also Published As

Publication number Publication date
GB2099036B (en) 1983-12-21

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PCNP Patent ceased through non-payment of renewal fee