GB2566004A - Security Gates - Google Patents
Security Gates Download PDFInfo
- Publication number
- GB2566004A GB2566004A GB1710529.7A GB201710529A GB2566004A GB 2566004 A GB2566004 A GB 2566004A GB 201710529 A GB201710529 A GB 201710529A GB 2566004 A GB2566004 A GB 2566004A
- Authority
- GB
- United Kingdom
- Prior art keywords
- picket
- lattice
- sub
- members
- pivot points
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
- E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
- E06B9/0615—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the closing elements
- E06B9/063—Bars or rods perpendicular to the closing direction
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
- E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
- E06B9/0615—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the closing elements
- E06B9/0623—Grilles
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
- E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
- E06B9/0646—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position
- E06B9/0653—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position stored side by side in the closing plane
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
- E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
- E06B9/0646—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position
- E06B9/0653—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position stored side by side in the closing plane
- E06B9/0661—Lazy tongue, pantograph or scissor-like systems in the plane of the opening
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
- E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
- E06B9/0646—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position
- E06B9/0676—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position stored in a stacked configuration
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The gate comprises top 1 and bottom 2 tracks and a plurality of picket sub-assemblies 4, 5 joined together side by side by connections between the lattice components. Each picket sub assembly may comprise a plurality of pickets 6 linked together by lattice members 11, 12. Each lattice member being pivotally connected by a fixed pivot point 13, 14 at its centre to a first picket and at its opposed ends to the next adjacent picket on opposed sides by slidable pivot points. Each picket carrying at one end a roller 7 slideable in the top track and at the other end slide means engageable in the bottom track. Each picket assembly may also have projecting lattice members extending from the fixed pivot point beyond the end picket at each side of the picket sub assembly. Intermediate lattice members may connect the slidable pivot points on one end picket to link with respective adjacent projecting members by apertures provided at a position corresponding to half the distance between the fixed and slidable pivot points.
Description
This invention relates to security gates of the collapsible lattice type, for example for use in enclosed public spaces such as underground railways. Background to the Invention
Lattice security gates are used to control access by the public to selected locations, for example passageways in underground railway stations. In times of emergency, it may be necessary to open up the gates to allow the passage of large numbers of people rapidly and to avoid creating a dangerous constriction of a passageway it is desirable to design the gates to be openable to substantially the full width of the passageway.
Such security gates will typically be required to meet the Loss Prevention Certification Board Loss Prevention Standard 1175 (LPS1175) security ratings 2 and 3, which specify resistance to attack using specified tools.
Installation of lattice gates is typically achieved by factory-assembling the lattice, securing the top and bottom tracks in the desired location and then mounting the lattice assembly into the tracks. While this is achievable for smaller, lighter gates, greater widths have typically been achieved by installing a plurality of gates side-by-side, because of the difficulty in manoeuvring the larger, and therefore heavier, spans, often in the confines of an underground passageway, where the use of lifting equipment may not be possible. However, the use of multiple gates can introduce an undesirable restriction in the passageway in emergency conditions, particularly since the individual gates have to be unlocked and opened, and the gate frameworks remain to divide the passageway. It is also important that the stack width of the lattice gate when fully opened is kept to a minimum.
Summary of the Invention
The present invention provides a lattice security gate comprising top and bottom tracks, and a plurality of picket sub-assemblies joined together side-byside by connections between the lattice components.
Preferably, each sub-assembly has a plurality of pickets linked together by lattice members, each lattice member being pivotally connected by a fixed pivot point at its centre to a first picket and at its opposed ends to the next adjacent picket on opposed sides thereof by slidable pivot points, each picket carrying at one end thereof a roller slidable in the top track and at the other end slide means engageable in the bottom track, each picket sub-assembly having projecting lattice members extending from the fixed pivot point thereon beyond the end picket at each side of the picket sub-assembly and intermediate lattice members connected to the slidable pivot points on said end picket to meet and be linkable to the respective adjacent projecting members by apertures provided at a position corresponding to half the distance between the fixed pivot point on one picket of the picket sub-assembly and a slidable pivot point on the next adjacent picket, the picket sub-assemblies being connected together by connecting pins passed through the apertures in the projecting and intermediate lattice members of one picket sub-assembly and through the apertures of the corresponding projecting and intermediate lattice members.
Preferably each picket has at least two vertically spaced fixed pivot points, each with a pair of slidable pivot points located above and below the respective fixed pivot point.
Preferably pairs of pickets are provided, with the pivot points mounted between them.
The connecting pins are preferably secured in position by means of an anti-tamper collar retained by a slotted spring pin passing through a transverse hole in the pin. The anti-tamper collar ensures continued integrity of the gate.
The pre-assembled picket sub-assemblies can be manhandled into position in the tracks and then each can be joined to its adjacent sub-assembly by aligning the apertures and inserting the connecting pins.
Brief Description of the Drawings
In the drawings, which illustrate an exemplary embodiment of the invention:
Figure 1 is an exploded isometric view of a security gate before installation;
Figure 2 is an elevational view of the gate shown in Figure 1, after installation;
-3Figure 3 is an enlarged view of a portion of Figure 1 showing the connection between the lattices;
Figure 4 is an enlarged plan view of a completed pin connection between adjacent picket sub-assemblies; and
Figure 5 is an exploded isometric view of a double gate arrangement.
Detailed Description of the Illustrated Embodiment
Referring to Figures 1 and 2, a lattice security gate comprises a top rail 1 to be secured to the ceiling of a passageway opening, for example, a bottom rail 2 securable to the floor of the opening, a keep post 3 securable to the vertical wall of the opening and two picket sub-assemblies 4 and 5 mountable for sliding in the rails 1 and 2, the sub-assemblies being connectable together to form a continuous screen. It will be appreciated that, while two picket sub-assemblies are shown, for a wider span a greater number of picket sub-assemblies will be used.
Each picket sub-assembly 4 and 5 consists of a plurality of pairs of pickets 6, each pair having a pair of suspension rollers 7 at the upper end by which, in use, the lattice is suspended from the top rail 1. The lower end of each pair mounts a guide peg 8 which slides in a groove 9 in the bottom rail 2. The pair of pickets 6a to the extreme right of Figure 2 carry fixing plates 10 between them, by which the gate is secured to the wall of the opening opposite to the keep post 3. Two pairs of lattice members 11, 12 are pivotally mounted at their centres on vertically-spaced fixed pivot points 13 and 14 extending between the pickets 6 in each pair, with the exception of extreme right and extreme left pair of each picket sub-assembly. The lattice members 11 and 12 extend diagonally so that their free ends are mounted on sliding pivots on the two adjacent picket pairs on either side of the picket pair on which the centres are mounted. This configuration is conventional in this type of lattice gate. At the extreme right end of the right-hand picket sub-assembly the lattice members 11a and 12a are of half-length and are thus connected adjacent their ends to the fixed pivot points of the pair of pickets, rather than their centres. A similar arrangement exists at the extreme left end of the lattice where a lock post 15 is mounted for cooperation with the keep post as hereinafter described.
-4The picket sub-assemblies are joined together as follows. With reference to Figures 1, 3 and 4, in particular, the lattice members 11b and 12b mounted on the fixed pivot points between the end pair of pickets 6b each project away from the remainder of the lattice by a distance approximately half that between the fixed pivot points 13 and 14 and the corresponding sliding pivot points on the next adjacent pair of pickets. In Figure 4, part of the picket 6b on one side is shown cut away for the sake of clarity. Intermediate lattice members 16 and 17 are connected at one end to the sliding pivot points between the pickets 6b and each has a length equal to the distance by which the lattice members 11b and 12b project, the free ends of all these lattice members (11b, 12b, 16 and 17) being provided with corresponding apertures which can be aligned for the passage of a connecting pin 18 so as to join these lattice members with the corresponding lattice members projecting from the next adjacent picket sub-assembly. As can be seen most clearly from Figure 4, the connecting pin 18 passes through the apertures in the 4 lattice ends and a washer 19 is then located over the free end before an anti-tamper collar 30 is secured on the connecting pin 18 by a slotted spring pin 20 driven through a transverse hole 21 in the pin 18 and a corresponding hole through the collar. The pin 18 acts as a common pivot pin, allowing relative rotation of the lattice members, so that the lattice can be closed up. In this way, the picket sub-assemblies are joined together in such a manner as to minimise the space taken up when the lattice gate is fully opened with all the pickets closed together towards the right-hand end as illustrated.
The lock post 15 is carried by a plurality of rollers 22 running in the top rail 1 and guided and retained in the bottom rail 2 by pegs 23. A locking mechanism is incorporated which can be actuated to engage with the keep post to lock the gate in the closed position. For safety purposes, it must be possible to open the lattice gate from one side to allow escape in an emergency, and so a release handle not requiring a key to permit release is provided. However, it is important that this release handle is not accessible to anyone on the opposite side of the gate to prevent unauthorised entry. The gate shown in Figures 1 and 2 is provided with a cover 24 for the release handle and a shield arrangement mounted at one end of the gate so that a person on the other side of the gate cannot simply reach through to access the cover 24. In addition, to avoid the possibility of someone on the other side of the gate reaching between the pickets, intermediate pickets 26 (Figure 2) are pivotally mounted between the lattice members at their points of intersection between the pickets adjacent to the shield 25. The lateral width of the shield 25 is limited by the need to avoid increasing the stack width of the fully open gate. The intermediate pickets 26 are suitably formed of strong metal such as manganese steel so that they cannot be readily cut or bent. Their position between the lattice members ensures that they do not increase the stack width of the fully-opened gate.
Figure 5 shows the application of the release facilities to a double gate. The first gate 50 on the right-hand side of the Figure is essentially the same as shown in Figures 1 and 2, while the other gate 51 is provided with a sliding keep post 52 at its right-hand end to co-operate with the lock post 3 on the first gate 50 to lock the gate in the closed position. The other gate 51 is provided with a shield 53 corresponding to the shield 25 on the first gate, to prevent access to the cover 24 from the other side of the gates, and intermediate pickets will also be fitted to further restrict access, as hereinbefore described. The gates illustrated in Figure 5 are configured to close a taller opening than those shown in Figures 1 and 2, and it will be seen that each pair of pickets has lattice members attached at four fixed pivot points.
- 6CLAIMS
Claims (5)
1. A lattice security gate comprising top and bottom tracks, and a plurality of picket sub-assemblies joined together side-by-side by connections between the lattice components.
2. A lattice security gate according to Claim 1, wherein each picket sub-assembly has a plurality of pickets linked together by lattice members, each lattice member being pivotally connected by a fixed pivot point at its centre to a first picket and at its opposed ends to the next adjacent picket on opposed sides thereof by slidable pivot points, each picket carrying at one end thereof a roller slidable in the top track and at the other end slide means engageable in the bottom track, each picket sub-assembly having projecting lattice members extending from the fixed pivot point thereon beyond the end picket at each side of the picket sub-assembly and intermediate lattice members connected to the slidable pivot points on said end picket to meet and be linkable to the respective adjacent projecting members by apertures provided at a position corresponding to half the distance between the fixed pivot point on one picket of the picket subassembly and a slidable pivot point on the next adjacent picket, the picket subassemblies being connected together by connecting pins passed through the apertures in the projecting and intermediate lattice members of one picket subassembly and through the apertures of the corresponding projecting and intermediate lattice members.
3. A lattice security gate according to Claim 2, wherein each picket has at least two vertically spaced fixed pivot points, each with a pair of slidable pivot points located above and below the respective fixed pivot point.
4. A lattice security gate according to Claim 2 or 3, comprising pairs of pickets with the pivot points mounted between them.
5. A lattice security gate according to Claim 2, 3 or 4, wherein the connecting pins are secured in position by means of a slotted spring pin passing through an anti-tamper collar and a transverse hole in the pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1710529.7A GB2566004B (en) | 2017-06-30 | 2017-06-30 | Security gates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1710529.7A GB2566004B (en) | 2017-06-30 | 2017-06-30 | Security gates |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB201710529D0 GB201710529D0 (en) | 2017-08-16 |
| GB2566004A true GB2566004A (en) | 2019-03-06 |
| GB2566004B GB2566004B (en) | 2022-04-06 |
Family
ID=59592692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1710529.7A Active GB2566004B (en) | 2017-06-30 | 2017-06-30 | Security gates |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2566004B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3239415A1 (en) * | 1982-10-25 | 1984-05-03 | Hans 6074 Rödermark Köthe | Lazy-tongs type grille |
| CN2262093Y (en) * | 1996-04-05 | 1997-09-10 | 张继平 | Sliding railing gate |
| GB2318818A (en) * | 1996-11-02 | 1998-05-06 | Bradbury Security Grilles Limi | A collapsible security grille |
| GB2332922A (en) * | 1998-01-02 | 1999-07-07 | Charles Augustine Beare | Collapsible security screen |
| EP1426546A2 (en) * | 2002-11-29 | 2004-06-09 | LOSI, Bruno | Collapsible grille shutter unit |
| CN106014116A (en) * | 2016-06-13 | 2016-10-12 | 安徽佳乐窗业科技有限公司 | Translation window with invisible anti-theft net |
-
2017
- 2017-06-30 GB GB1710529.7A patent/GB2566004B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3239415A1 (en) * | 1982-10-25 | 1984-05-03 | Hans 6074 Rödermark Köthe | Lazy-tongs type grille |
| CN2262093Y (en) * | 1996-04-05 | 1997-09-10 | 张继平 | Sliding railing gate |
| GB2318818A (en) * | 1996-11-02 | 1998-05-06 | Bradbury Security Grilles Limi | A collapsible security grille |
| GB2332922A (en) * | 1998-01-02 | 1999-07-07 | Charles Augustine Beare | Collapsible security screen |
| EP1426546A2 (en) * | 2002-11-29 | 2004-06-09 | LOSI, Bruno | Collapsible grille shutter unit |
| CN106014116A (en) * | 2016-06-13 | 2016-10-12 | 安徽佳乐窗业科技有限公司 | Translation window with invisible anti-theft net |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2566004B (en) | 2022-04-06 |
| GB201710529D0 (en) | 2017-08-16 |
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