EP3415698A1 - Ensemble d'accès à une surface de sol comportant un couvercle qui peut être réglé de manière à pivoter autour de plusieurs axes - Google Patents

Ensemble d'accès à une surface de sol comportant un couvercle qui peut être réglé de manière à pivoter autour de plusieurs axes Download PDF

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Publication number
EP3415698A1
EP3415698A1 EP18020259.0A EP18020259A EP3415698A1 EP 3415698 A1 EP3415698 A1 EP 3415698A1 EP 18020259 A EP18020259 A EP 18020259A EP 3415698 A1 EP3415698 A1 EP 3415698A1
Authority
EP
European Patent Office
Prior art keywords
grating
cover member
pivot
frame
ground surface
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.)
Withdrawn
Application number
EP18020259.0A
Other languages
German (de)
English (en)
Inventor
Barry Turner
Simon John Gibson
Samantha Sarah Elizabeth Evans
Liam Mark Ratcliffe
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.)
Wrekin Holdings Ltd
Original Assignee
Wrekin Holdings 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 Wrekin Holdings Ltd filed Critical Wrekin Holdings Ltd
Publication of EP3415698A1 publication Critical patent/EP3415698A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1445—Tools for positioning or removing cover frames
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1463—Hinged connection of cover to frame
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings
    • E03F2005/061—Gully gratings hinged to the body of the gully

Definitions

  • This invention relates to a ground surface access assembly having a pivotally mounted cover; where the user may select one of two or three possible axes about which the cover will in normal use pivot, to allow access thereunder.
  • Roadsides typically have kerbside drainage systems etc., that include a ground surface access assembly that may house a gully or grating through which rainwater may pass and then drain away via connected underground channels.
  • a ground surface access assembly that may house a gully or grating through which rainwater may pass and then drain away via connected underground channels.
  • such assemblies have a pivotally mounted gully or grating to facilitate access for servicing and cleaning and also to help prevent loss (through theft etc.) of the gully or grating.
  • the axis about which the gully or grating pivots is typically determined by the direction of road traffic, and for safety reasons this is normally such that if a vehicle accidentally hits an open gully or grating the resulting impact will safely close the gully or grating.
  • the required pivotal direction therefore varies; for example from country to country according to the side of the road on which vehicles are required to drive.
  • An aim of the present invention is to provide a ground surface access assembly that has an opening hinged portion; wherein during installation the installer may select one of three possible pivot axes. Another aim is to provide such apparatus wherein the desired pivot axis of the grating/cover member relative to the frame member may be varied without altering the orientation of the grating/cover member relative to the frame member. A further aim is to provide such apparatus wherein after installation the pivot axis may be readily changed owing to the easy accessibility of the pivot members
  • the invention comprises a ground surface access assembly comprising a frame member and a grating or cover member; said assembly having two or three pairs of pivot means such that in use said grating/cover member is pivotally connected to said frame member using just one pair of pivot means, so as to pivot relative to the frame member about a pivot axis; wherein each pivot means comprises a slot/aperture in said frame, an engagement slot/aperture in said grating/cover member and at least one pivot shaft that operably engages both the frame slot/aperture and the grating/cover slot/aperture; and wherein the pivot axis of the grating/cover member relative to the frame member may be changed by selecting an appropriate pair of pivot means, without altering the orientation of the grating/cover member relative to the frame member.
  • the frame member and the complete grating/cover member are rectangular (in plan view) and the pair of slots/apertures comprising said pair of pivot means are located near adjacent corners of these rectangular members (rather than on opposite corners).
  • the invention comprises a ground surface access assembly having a frame member and a grating or cover member; wherein said frame member has three pairs of frame slots/apertures located within said frame member and the grating or cover member has three pairs of engagement slots/apertures; each engagement slot/aperture being configured to be able to operably engage a pivot shaft; such that in use said grating or cover is pivotally connected to said frame using just one pair of frame slots/apertures and just one pair of engagement slots/apertures and at least one pivot shaft; one end of said at least one pivot shaft engaging an engagement slot/aperture and passing through said frame slots/apertures.
  • the invention comprises a ground surface access assembly having a frame member and a grating or cover member wherein said grating or cover member comprises three pairs of engagement slots/apertures located within said grating or cover member; each engagement slot/aperture being configured to operably engage a pivot shaft; and the frame member has three pairs of frame slots/apertures; such that in use said grating or cover is pivotally connected to said frame using just one pair of frame slots/apertures and just one pair of engagement slots/apertures and a pair of pivot shafts; one end of each pivot shaft engaging an engagement slot/aperture of said just one pair of engagement slots/apertures.
  • the invention comprises a ground surface access assembly having a frame member and a grating or cover member; further comprising two pivot shafts that: operably engage with part of the frame member; or extend from the frame member; and where said pivot shafts may engage either a first pair; a second pair or a third pair of slots/apertures in said grating or cover member so that the grating or cover member may be operably adjusted to pivot about just one of three possible/different axes.
  • the invention comprises a ground surface access assembly having a frame member and a grating or cover member; further comprising two pivot shafts that: operably engage with part of the grating or cover member; or extend from the grating or cover member; and where said pivot shafts may engage either a first pair; a second pair or a third pair of slots/apertures in said frame so that the grating or cover member may be operably adjusted to pivot about just one of three possible/different axes.
  • the grating or cover member preferably pivot about one of three different axes.
  • two of the three pivot axes are parallel and both are perpendicular to remaining pivot axis.
  • two of the three pivot axes are parallel and both are perpendicular to remaining pivot axis.
  • the frame slots/apertures or engagement slots/apertures are preferably arcuate or non-circular shaped.
  • the grating or cover member preferably has three pairs of substantially parallel extension arms wherein said engagement slots/apertures are located
  • the ground surface assembly frame member preferably has four corner recesses each comprising a pair of recess walls that are mutually perpendicular and wherein a frame slot/aperture is located in at least one said recess wall.
  • the grating or cover member preferably comprises two portions that are operably loosely connected and where each of said two portions is in use supported at just three points by said frame.
  • each portion is supported by a plurality of corner base plates that extent inwardly from the sidewalls of said frame in a plane that is generally perpendicular to the planes of said sidewalls.
  • the frame further comprises a curved face portion, located above and proximal at least one roof portion of a corner recess thereof; and a stay pin located in an unused engagement slot/aperture or a further slot/aperture within said gully/grating member and proximal one of the two engagement slots/apertures currently engaging a pivot shaft; such that in use as the gully/grating member is opened a curved end face of said stay pin is lifted over said curved face portion of the frame member so that when the gully/grating member is fully open said curved face is seated in a "recess" that is formed in part by a trailing edge of said curved face and in part by an adjoining planar or curved surface.
  • the engagement slots/apertures are located within three pairs of substantially perpendicular arms that each extend from a corner of the grating or cover member.
  • the invention comprises a ground surface access assembly having a frame member that houses a pivotably mounted grating or cover member wherein the grating or cover member may operably adjusted to pivot about just one of three possible/different axes.
  • the desired pivot axis of the grating/cover member relative to the frame member may be varied without altering the orientation of the grating/cover member relative to the frame member.
  • the invention comprises a ground surface access assembly having a frame member that houses a pivotably mounted grating or cover member wherein said grating or cover member comprises three pairs of engagement slots/apertures located within said grating or cover member; each slot/aperture being configured to operably engage a pivot shaft; and the frame member has three pairs of frame slots/apertures; such that in use said grating or cover is pivotally connected to said frame using just one pair of frame slots/apertures and just one pair of engagement slots/apertures and one or a pair of pivot shafts; one end of each pivot shaft engaging an engagement slot/aperture of said just one pair of engagement slots/apertures; and wherein the grating or cover member may operably adjusted to pivot about just one of three possible/different axes.
  • the ground surface access assembly frame member and the gully/grating member are preferably rectangular in plan view.
  • said pair of pivot means comprise a pair of slots/apertures located near adjacent corners of said rectangular frame member and the rectangular gully/grating member.
  • the invention comprises a method of pivotally mounting a grating/cover member within the frame member of a ground surface access assembly; said assembly having two or more pairs of pivot means wherein each pivot means comprises a slot/aperture in said frame, an engagement slot/aperture in said grating/cover member and at least one pivot shaft that operably engages both the frame slot/aperture and the grating/cover slot/aperture; wherein the pivot axis of the grating/cover member relative to the frame member may be changed, without altering the orientation of the grating/cover member relative to the frame member, by selecting and using just one pair of pivot means.
  • said pair of pivot means may share just a single pivot shaft, or each pivot means may have its own individual pivot shaft.
  • the frame member and the grating/cover member are rectangular in plan view and where a pair of slots/apertures located near adjacent corners of said rectangular frame member and rectangular grating/cover member comprise said pair of pivot means.
  • Figures 1 to 3 show a perspective view; a plan view; and a rear end view respectively of a ground surface access assembly, in an open position, suitable for installation adjacent to the kerb of a road, and in these illustrations configured to open by pivoting about an axis X-X' (see Figure 2 ) parallel to the kerb, and close to the kerb.
  • the ground surface assembly (10) essentially comprises a frame member (12) and a pivotally mounted gully/grating member (14).
  • this pivotally mounted member (14) may be a cover or lid.
  • the gully/grating member comprises a plurality of interconnected support beams configured to provide gaps (G - see Figure 3 ) that in use allow rainwater to drain there through. It is important that the gully/grating member has high structural strength, as in use heavy vehicles will periodically drive over it.
  • the frame member (12) is generally rectangular in shape (when viewed from above) and comprises four sidewalls (40) and a flange member (42) that extends outwardly from three of the four sidewalls. There is no such flange member portion (42) on that side of the frame member that (in use) will be nearest the road kerb. Each portion of the flange member (42) is also connected to the corresponding sidewall (40) by several gussets (44), and part of the underside of the flange member has rippled surface (R - see Figure 4 ) to facilitate bedding in mortar etc. Each flange member portion has rolled edge (54) and plurality of fixing holes (56) with donut shaped edges.
  • Each corner portion of frame member (12) is curved (when viewed from above) and has a corner recess (24) comprising: two rectangular walls (26) that are mutually perpendicular; a base portion (34) and roof portion (36 - see Figure 5 ) that are both quadrant shaped.
  • the frame member (12) has three pairs of frame slots/apertures (16) located in appropriate sidewalls (40) of neighbouring corner recesses (24) - these frame slots/apertures (16) are typically arcuate or shaped (see Figures 3 and 7 ) so as to allow lateral (as well as pivotal) movement of a pivot shaft (20) within each frame slot/aperture (16) as the gully/grating is pivoted from a closed to an open position (see Figures 7a-7c ) and vice-versa.
  • Each corner of inside of frame member (12) has a gully support plate (32).
  • Each side grill portion (46) comprises a plurality of angled support members (48) each of which is fixed to and extends at the same angle (approximately 45°) from the inside of each sidewall (40).
  • These angled support members (48) are connected by an elongate support member (50) that is positioned parallel to the corresponding sidewall (40).
  • the support members (48, 50) are arranged in an open structure (to allow drainage). Three of the elongate support members (50) are connected to all of the corresponding angled support members (48).
  • One of the elongate support members (50a) is shorter and is attached (at one end) to only one angled support member (48a) and has a protrusion (52) at the other end that in use engages the gully/grating and thereby operably locks it in the closed position.
  • the singular connection of this shorter elongate support member (50a) to the angled support member (48a) allows a degree of deflection of the shorter elongate member (50a) during closure of the gully/grating member and so provides a snap-shut action.
  • the outer face of one sidewall of the gully/grating (14) has a wedge-shaped protrusion (66) that in use snap-fit engages (see Figure 8 ) the protrusion (52) from a side of the shorter elongate support member (50a).
  • the gully/ grating member (14) is separated from the protrusion (52) using a crowbar, or the like.
  • the gully/grating member (14) typically comprises first and second portions (28, 30) each approximately triangular (when viewed from above - see Figure 3 ). These two portions (28, 30) are connected, but not rigidly - so that each portion can move (to a limited degree) independently thereby allowing a corner of each portion (28, 30) to rest on and be supported by the gully support plate (32).
  • the gully/grating member (14) is generally rectangular (when viewed from above). It has four pairs of extension arms (22) extending outwardly and perpendicularly from sidewalls (70) of the gully/grating member portions (28, 30). Each extension arm (22) may have an engagement slot/aperture (18) configured to tightly hold and retain one end of a pivot shaft (20) or stay pin (74).
  • the first and second portions (28, 30) of the gully/grating member (14) are loosely connected (see Figure 6 ) by a pair of studs (58) that protrude from the first portion (30), and pass through holes (56) of slightly larger diameter than each stud, in the second portion (28).
  • the studs are held in place within the second portion (thereby loosely connecting the two portions) by a holding washer (60) and clip (62) that engages a bore (72) near the distal end of each stud.
  • the interface of the first and second portions is largely provided by a first beam (64) within a second beam (68) each beam being approximately I-shaped in cross section.
  • each corner of each portion (28, 30) can advantageously always be supported by an adjacent gully support plate (32.) This would not always be possible if the gully/grating was a single member as it would then need to be simultaneously supported by each of the four support plates (32) and so would be liable to rock/tilt within the frame member (12).
  • just one pair of pivot shafts (20) engage just one pair of adjacent engagement slots/apertures (18) within the gully/grating member (14) and also just one pair of frame slots/apertures (16) within the frame member (14); thus allowing the gully/grating member (14) to pivot relative to the frame member (12).
  • the gully/grating member (14) can be pivotally mounted within the frame member (12) in one of three possible configurations depending upon which two pairs of frame slots/apertures (16) and engagement slots/apertures (18) are selected.
  • the gully/grating member may pivot about the kerbside edge of the frame (see Figure 1 ); the left hand side of the frame (see Figure 9 ); or the right hand side of the frame (see Figure 10 ).
  • the pivot shaft (20) are preferably inserted and removed as required via the access advantageously provided by each frame corner recess (24).
  • the pivot shafts (20) are held tightly within the engagement slots/apertures (18) owing to an interference fit configuration. In this case, they can be inserted within the engagement slots/apertures using a hammer; access being provided via the appropriate corner recess (24).
  • the pivot axis of the gully/grating member (14) within the frame (12) can be readily changed to any of the above described three possible configurations; by simply removing the two pivot shafts (using for example a hammer) and repositioning these shafts as appropriate to select an alternative pivot configuration.
  • Figures 7(a) to 7(c) also show a stay pin (74) located in an engagement slot/aperture (18) proximal (nearest to) an engagement slot/aperture currently housing a pivot shaft (20).
  • two such stay pins (74) are so located - one proximal each of the two engagement slots/apertures currently engaging a pivot shaft.
  • the gully/grating member is opened the curved end face (76) of these stay pins (74) is lifted over a curved face (78) portion of the frame member (12), located above the corner (24) recess roof portion (36). This lifting is possible because of the arcuate etc. (see above) shape of the frame slot/aperture (16).
  • the gully/grating member (14) When the gully/grating member (14) is fully open the curved face is seated in a recess 82 that is formed in part by the trailing edge (80) of the curved face (78) and in part by a planar surface (82).
  • the seating of the curved end faces (76) of the stay pins (74) helps keep the gully/grating member (14) in an open position and resists accidental closure - the gully/grating member (14) having to be lifted, relative to the frame, as it is pivoted towards the closure position.
  • pivot shafts engage a slot/aperture in the gully/grating member; alternatively at least one pivot shaft may be an integral part of the gully/grating member; for example, by extending sideways from a side face of the gully/grating member. Also as an alternative to the above, at least one pivot shaft may extend inwardly from an inner face of the frame member wall. In both of these alternative cases (with just one integral pivot shaft) the second pivot shaft would preferably be detachable; either from an inner face of the frame member wall or from a side face of the gully/grating member; preferably by either being an interference fit within a slot/aperture or by a screw thread attachment thereto.
  • frame slots/apertures are preferably located in corner recess sidewalls, they may alternatively be located in the main sidewalls of the frame member.
  • the desired pivot axis could be selected by repositioning the gully/grating member within the frame member; rather than by repositioning the pivot shafts relative to the gully/grating member, as illustrated in the preferred embodiment, described above by reference to Figures 1 to 10 .

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)
EP18020259.0A 2017-06-16 2018-06-16 Ensemble d'accès à une surface de sol comportant un couvercle qui peut être réglé de manière à pivoter autour de plusieurs axes Withdrawn EP3415698A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1709680.1A GB2565040B (en) 2017-06-16 2017-06-16 A ground surface access assembly with a cover that can be adjusted to pivot about one of three different axes

Publications (1)

Publication Number Publication Date
EP3415698A1 true EP3415698A1 (fr) 2018-12-19

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EP18020259.0A Withdrawn EP3415698A1 (fr) 2017-06-16 2018-06-16 Ensemble d'accès à une surface de sol comportant un couvercle qui peut être réglé de manière à pivoter autour de plusieurs axes

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EP (1) EP3415698A1 (fr)
GB (1) GB2565040B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3492658A1 (fr) * 2017-10-24 2019-06-05 Wrekin Holdings Limited Ensemble d'accès à la surface du sol présentant des caractéristiques de sécurité
GB2618114A (en) * 2022-04-27 2023-11-01 Ej Uk Fabrication & Access Solutions Ltd Corner-hinge access cover assembly and lifting arrangement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2292804A1 (fr) * 1974-11-29 1976-06-25 Sambre & Meuse Usines Revetement destine notamment aux caniveaux de chaussees ou d'aerodromes
GB2209783A (en) * 1987-09-11 1989-05-24 Glynwed Consumer & Building Grating and frame assembly
GB2355038A (en) * 1999-10-08 2001-04-11 C I S Ground surface access assembly with repositionable hinges
GB2355037A (en) * 1999-10-08 2001-04-11 C I S Ground surface access assemblies

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2292804A1 (fr) * 1974-11-29 1976-06-25 Sambre & Meuse Usines Revetement destine notamment aux caniveaux de chaussees ou d'aerodromes
GB2209783A (en) * 1987-09-11 1989-05-24 Glynwed Consumer & Building Grating and frame assembly
GB2355038A (en) * 1999-10-08 2001-04-11 C I S Ground surface access assembly with repositionable hinges
GB2355037A (en) * 1999-10-08 2001-04-11 C I S Ground surface access assemblies

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3492658A1 (fr) * 2017-10-24 2019-06-05 Wrekin Holdings Limited Ensemble d'accès à la surface du sol présentant des caractéristiques de sécurité
GB2618114A (en) * 2022-04-27 2023-11-01 Ej Uk Fabrication & Access Solutions Ltd Corner-hinge access cover assembly and lifting arrangement

Also Published As

Publication number Publication date
GB2565040A (en) 2019-02-06
GB201709680D0 (en) 2017-08-02
GB2565040B (en) 2020-07-01

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