GB2377965A - Safety apparatus for the erection of scaffold - Google Patents
Safety apparatus for the erection of scaffold Download PDFInfo
- Publication number
- GB2377965A GB2377965A GB0213032A GB0213032A GB2377965A GB 2377965 A GB2377965 A GB 2377965A GB 0213032 A GB0213032 A GB 0213032A GB 0213032 A GB0213032 A GB 0213032A GB 2377965 A GB2377965 A GB 2377965A
- Authority
- GB
- United Kingdom
- Prior art keywords
- support section
- safety apparatus
- pulley
- arm
- strengthening arm
- 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
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3276—Arrangements on buildings for connecting safety-lines
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3276—Arrangements on buildings for connecting safety-lines
- E04G21/329—Arrangements on buildings for connecting safety-lines with measures for dampening the fall
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3295—Guide tracks for safety lines
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Emergency Lowering Means (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
Abstract
A safety apparatus comprises a lower support section (121) having a vertical slot, an upper support section (122) with a carriage (713) at a lower end, the upper and lower sections being arranged telescopically such that the carriage is slidable in the slot, and a strengthening arm (701) with a locating insert (705) at the top, where the top of the upper section is configured to receive the insert and where the carriage is configured to receive the lower part of the arm. Preferably the locating insert is a tapered circular rim which extends from an extension plate which is perpendicular to the arm. The apparatus may further comprise a rotatable cable connection plate (Figures 2 and 3) and/or a pulley system (Figure 6) providing an operative connection between the upper and lower support sections.
Description
Safety Apparatus Safety apparatus for the erection of structures is
disclosed in international patent publication number WO 01/27411 in the name of the 5 present applicant. The safety apparatus has a first substantially vertical support, a second substantially vertical support and a supporting cable extending between the first and second supports. The vertical supports are configured to adjustable in length and each include a first fixing means and a second fixing means such that the length of the support may be adjusted to by releasing the first fixing means and then re-fixing the first fixing means after the adjustment has been made. In this way, it is possible to adjust the height of the safety apparatus while erection is taking place such that work may be carried out in safety at substantially all times.
According to a first aspect of the present invention, there is provided 15 safety apparatus comprising a substantially vertical support wherein said support has a lower section connectable to a structure, an extending upper section and an additional member for reinforcing said upper section when extended. The invention will now be described by way of example, with 20 reference to the accompanying drawings of which: Figure 1 shows operatives connected to safety apparatus whilst erecting a scaffold structure; Figure 2 shows a cable connection plate; Figure 3 shows a cable connection plate in motion; 25 Figure 4 illustrates adjustment of the support system; Figure 5 shows the operation of a pulley system; Figure 6 shows a schematic representation of the pui.ey system
identified in Figure 5.
Figure 7 shows an alternative embodiment for securing the upper support section; and Figure 8 details the strengthening arm identified in Figure 7.
5 A scaffold 101 is shown in Figure 1, having vertical poles 102, horizontal poles 103, transversal poles 104 and flat sections 105, in addition the scaffold may also include diagonal strengthening poles.
A typical erection procedure firstly requires the erections of the vertical poles 102 followed by the fitting of horizontal poles 103. Transversal 10 poles 104 are then implemented to confer additional stability and integrity to the scaffold before the flat sections 105 are put into place.
As described in the present applicant's published international patent specification, erection of the scaffold is being performed using safety
apparatus consisting of a first substantially vertical support 111, a second substantially vertical support 112 and one or more supporting cables 113, 114 extending between the first support 111 and the second support 112.
The supports 111, 112 are configured to be adjustable in length and each includes a first fixing means 115 and a second fixing means 116 such that the length of the support may be adjusted by releasing the first fixing JO means 115 and then re-fixing the first fixing means 115 after the adjustment has been made. While this adjustment takes place, the second fixing means 116 remains in place thereby ensuring that operatives are supported at all times in case of a fall.
The first substantially vertical support 111 consists of a lower support 2 section 121 and an upper support section 122. The lower support section 121 has a larger diameter than the upper support section 122, such that the upper support section may slide vertically within the lower support section ..
121. The lower support section 121 is attached to transversal poles 104 and 123 by way of lower fixing members 124, 125. The upper support section 122 is attached in a similar way as further sections to the scaffold are added, as described in the earlier referenced international patent application. In this way, as additional platform levels are added, the upper support section 122 may be held in place while the lower fixing members 124, 125 are released allowing the lower support section 121 to be raised and reconnected at a higher height. Thus, in this way, the safety apparatus ascends the rising scaffold by extending its upper section and then 10 contracting its lower section.
In the preferred embodiment, as shown in Figure 1, the vertical supports 111, 112 are circular in cross-section to facilitate their operation in a telescopic manner so as to facilitate adjustment. In addition, cables and pulleys are provided to facilitate the movement of the telescoping devices s vertically as the system ascends up the scaffold.
A problem with the system disclosed in the aforesaid international publication is that a fall in a direction away from the plane defined by the supports and the cable may tend to apply a torsional force about the vertical axes of the supports. Torsional forces of this type will tend to apply 20 a twisting effect upon the upper support, such as upper support section 122, with respect to the lower support, such as lower support section 121.
Thus, the vertical support provides more than adequate resilience to compressive forces and bending forces but its integrity may be undermined if an excessive torsional force is applied.
The present preferred embodiment overcomes this problem by the provision of a rotating cable connection plate 131, as detailed in Figure 2.
L. ..
Figure 2 The cable connection plate 131 is detailed in Figure 2. The connection plate 131 includes a cylindrical section 201, having a first extension portion 202 and a second extension portion 203. In this 5 embodiment cables, such as cable 204 and cable 205 are secured to respective extension portions 202, 203 by means of extension portion orifices 206 and 207, although it should be appreciated that other forms of cable connection may be employed for this purpose, such as a loop.
During manufacture, the external profile of the upper support section to 122 is raised by the application of a weld 208. The cylindrical portion 201 of the connection plate 131 slides freely over the upper support section 122 until it is forced into a rest position by means of weld 208. A similar weld 209 is then applied to the upper support section 122 at a position above the cylindrical portion 201 of the connection plate 131.
After welds 208 and 209 have been applied, vertical movement of the cable connection plate 131 is restrained and the cable connection plate 131 is then held in place upon the upper support section 122. However, the cable connection plate 131 is allowed to rotate around the upper support section 122, about the axis of the upper support section 122. In this way, if So a fall occurs that applies force away from the previously described plane, the cable connection plate 131 will rotate with respect to the upper support section 122, such that when force is applied to the upper support section 122 it takes the form of a bending force in preference to a torsional force.
25 Figure 3 In the example shown in Figure 3, a fall has occurred such that force is now app,iecl to GaDie 205. A fall has occurred in such a way that a ...
component of this force is being applied away from the previously described plane. Consequently, the cable connection plate 131 has rotated as illustrated by arrow 301. After the rotation has taken place, a bending force, illustrated by arrow 302 is applied to the upper support section 122.
The bending force is easily restrained by the vertical support 111 with torsional forces due to the fall being reduced significantly.
Figure 3 also illustrates how the extension portions 202 and 203 are butt welded to the cylindrical portion 201 at 303.
10 Figure 4 As scaffold is added in order to increase the height of the overall structure, the safety apparatus is firstly extended by extending upper support section 122 with reference to lower support section 121. Upper support section 122 is then secured to ensure that force may safely be supplied to the support cables 113, 114 etc. As additional height is required, the lower fixing members 124, 125 are temporarily released while the upper support section 122 remains firmly secured to the scaffold. The telescopic system then contracts resulting in the lower support section 121 rising up the structure to a new locating position.
20 The extension and contraction of the substantially vertical supports 111, 112 is effected by manual operation of a pulley rope 401 as illustrated in Figure 4. With the lower support section 121 firmly held in place, an operative pulls pulley rope 401 in an upwards direction resulting in the upper support section 122 ascending upwards with respect to the restrained lower support section 121. Thereafter, once extended to a required position, the upper support section 122 may be secured to the sGa,rFo'd. Thereafter, further extension may be effected by releasing lower
fixing members 124 and 125 and then pulling pulley rope 401 in the direction opposite to arrow 402 in order to cause the telescoping assembly to contract. Thereafter, lower fixing members 124 and 125 may be secured at new positions and further extensions may be effected by further 5 operation of the pulley rope 401 in the direction of arrow 402.
Figure 5 As shown in Figure 5, pulley rope 401 has been pulled in the direction of arrow 402 resulting in the upper support section 122 being 10 extended by a greater degree than that shown in Figure 1. Thus, it can be seen that telescoping support in combination with a pulley system allows expansion and contraction of the telescoping assembly by manual operation of a single rope without rope being pulled away from the assembly itself. Another way of looking at this is to consider that the pulley rope system used for effecting movement of the assembly does not present a rope end. Both ends are constrained within the system itself where movement occurs by reducing the distance between a first set of pulleys while increasing the distance between a second set of pulleys.
20 Figure 6 The pulley system identified in Figure 4 is shown diagrammatically in Figure 6. The totality of the pulley system includes a first pulley set 601 and a second pulley set 602. The first pulley set 601 includes a first pulley subassembly 603 and a second pulley subassembly 604. The second 25 pulley system 602 includes a third pulley subassembly 605 and a fourth pulley subassembly 606. The first pulley subassembly 603 includes a first pulley 611, and a second pulley 612. The second pulley subassembly 604 a.
includes a third pulley 613 and a fourth pulley 614. The third pulley subassembly includes a fifth pulley 615 and a sixth pulley 616. The fourth pulley subassembly 606 includes a seventh pulley 617 and an eighth pulley 618. The pulley rope extending between pulley 614 and 615, shown as 621 is that which is manually adjusted by an operative, as illustrated in Figure 4. Movement of the pulley rope 621 in the direction of arrow 402, that is in an upwards direction, results in rope being transferred from pulley set 601 to pulley set 602 resulting in pulley subassembly 603 being brought 10 closer to towards pulley subassembly 604. Similarly, as rope is supplied to pulley 615 more rope is introduced to pulley set 602 resulting in pulley subassembly 605 extending away from pulley subassembly 606. The overall result of this is that the mechanism extends with the upper support section 122 moving upwards. Similarly, when the pulley rope is pulled 1 opposite direction, rope is taken from pulley set 602 and returned to pulley set 601 such that the distance between pulley subassembly 605 and pulley subassembly 606 decreases resulting in the lower support section 121 rising to a new position by the telescoping and contacting of the support system. Thus, this is achieved without displacing rope from the overall so system itself, which could result in rope damage or entanglement, while at the same time providing the mechanical advantage to the operative.
In a preferred embodiment, the pulley rope has a substantially nylon construction and a typical diameter of six millimetres. A hand rope grab may be provided to assist an operative in adjusting the pulley rope. Pulley z rope 621 is secured to pulley subassembly 604 by securing loop 622. The other end of pulley rope 621 is secured to pulley subassembly 605 by a second securing loop 623. From the first securing loop 622, the pulley rope
621 extends anticlockwise around pulley 612, anticlockwise around pulley 613, anticlockwise around pulley 611 and anticlockwise around pulley 614.
Pulley rope 621 then extends to the third pulley subassembly 605 where it is wound clockwise around pulley 615, clockwise around pulley 618, clockwise around pulley 616 and clockwise around pulley 617 for its other end to be secured at the second securing loop 623.
Figure 6 According to the preferred operation, the upper support section 122 to is physically secured to a structure, such as a scaffold. When secured in this way, it is possible for the lower support section 121 to be released, contracted, and secured again, followed by a release of the upper support section 122 so that it may again be extended. At all times, the upper support section 122 or the lower support section 121 is attached to the 1 scaffold thereby maintaining the integrity of the safety device.
In some situations, an extension of the support system may be required when a structure for receiving attachments from the upper support section 122 may not be available. Thus, under these circumstances, it would be desirable to use the safety support without the upper support 20 section 122 being secured to the scaffold or other structure.
In theory, it would be possible to increase the size and therefore strength of the safety mechanism overall such that it would be strong enough to operate without the upper support section 122 being secured to the scaffold or other apparatus. However, it should also be appreciated that 2s in terms of manually adjusting the system and transporting the system significant additional weight would be highly undesirable. Furthermore, in most applications the upper support section 122 would be securable to a b . _. :. _ .
scaffold or similar structure thereby introducing unnecessary weight to the system overall. Furthermore, additional weight also creates further problems in that more operatives would be required in order to assemble and manoeuvre the support mechanism.
Figure 7 An alternative preferred embodiment is illustrated in Figure 7 for situations in which it is not possible to secure the upper support section 122 to a scaffold or other structure. As an alternative to increasing the overall to weight of the upper support section 122, for all applications, the preferred embodiment is configured such that the overall strength of the upper support section 122 may be increased by the provision of a strengthening arm 701. Thus, in operation, the upper support section 122 is extended to a higher position which, under normal circumstances would then result in it s being secured firmly to the structure. However, in this particular situation there is no structure available for an attachment of this type to occur. An operative therefore introduces the strengthening arm 701 such that the totality of the safety apparatus is now sufficiently strong for it to provide the requisite level of support without the upper support section 122 being so physically secured to the scaffold. However, it should be appreciated that the component parts have been introduced individually therefore it is relatively easy for a single operative to perform this necessary step of extending the upper support section 122 and then introducing the relatively light weight strengthening arm 701.
The strengthening arm 701 includes a first arm section 702 and a second arm section 703. The two sections are connected together by means of a thread (similar to that provided by a collapsible snooker cue)
such that the strengthening arm 701 may be unscrewed to facilitate transportation. The strengthening arm 701 required for support 112, differs slightly from that required for support 111 so as to provide an appropriate 5 connection for the supporting cables 113, 114. The strengthening arm for support 112 is illustrated in Figure 7.
An extension plate 704 extends from the upper first arm section 702.
A locating insert 705 extends downwards from the extension plate 704 for location within the top of the upper support section 122. The extension 10 plate 704 also includes a first upper cable tube 706 for receiving cable 113 and a second upper cable tube 707 for receiving cable 114.
The lower second arm section 703 of the strengthening arm includes a first lower cable tube 711 for receiving cable 113 and a second lower cable support section 712 for receiving cable 114.
In order to position the strengthening arm 7017 the support cables 113, 114 are released and are threaded through their respective upper cable tube and lower cable tube. The cables 113, 114then enter respective cable securing support sections 713 supported by carriage 714.
The lower support section 121 has a vertical slot running 20 therethrough allowing carriage 713 to be secured to the upper support section 122. In this way, the upper support section may be extended with respect to the lower support section without requiring adjustments to the length to the supporting cables 113, 114.
Having threaded the support cables 113, 114 through their z respective cable tubes, an operative locates a side wall of the first arm section 702 against an upper arm support 715. This allows the locating Insert 7C5 to be positioned in the top of the upper support section i22.
When the locating insert has been appropriately positioned, the strengthening arm 701 is brought towards the upper and lower support sections 122, 121 so as to be received within a central arm securing device 716. In addition, the bottom of the strengthening arm 701 is received within 5 a hole 717 within the carriage 713 and is held in place by means of a screw 718. Thus, the bottom of the lower second arm section 703 of the strengthening arm 701 is threaded such that by screwing screw 718 the strengthening arm is held tightly in position, with further support being provided by the central arm securing device 716. Locating insert 705 is 10 tapered, similar to a wedge, such that as screw 718 is screwed tighter tension is introduced into strengthening arm 701.
figure 8 A strengthening arm 801 is shown in Figure 8, appropriate for operation with support 111. Strengthening arm 801 is substantially similar to strengthening arm 701 but does not require cable tubes given that it operates in combination with the support 111 that is required to support the cable connection plate 131.
Thus, in operation, the upper support sections of vertical supports 20 111, 112 are firmly secured to a scaffold, such as scaffold 101, or other structure. This facilitates the removal of the lower support sections of vertical supports 111, 112 such that the safety apparatus may be allowed to ascend up the structure. In other situations where it is not possible to secure an upper support section, such as upper support section 122, the 25 strength of that upper support section may be enhanced significantly by the provision of a strengthening arm, such as strengthening arm 801. Thus, as separate components, strengthening arms 701, 801 do not add weight to
the system when not required but then may be brought to the system, after adjustments have been nnade, in order to provide the requisite strength without the upper support sections of vertical supports 111, 112 requiring attachment to the scaffold or other structure.
U : ..
Claims (14)
1. Safety apparatus for use within a fall arrest system comprising a first support section disposed within a second support section 5 said second support section defining a slot extending along a portion of the length thereof said first support section having a carriage at a first end configured to be movable along said slot such that said first support section is in telescopic relation with said second support section; wherein to said safety apparatus further comprises a strengthening arm having a locating insert at a first end the second end of said first support section is configured to receive said locating insert and said carriage is configured to receive the second end of the strengthening arm
2. Safety apparatus according to claim 1 wherein said strengthening arm connprises multiple sections 20
3. Safety apparatus according to claim 2 wherein said strengthening arm has an extension plate extending substantially perpendicular to said strengthening arm, and said locating insert extends from the extension plate towards the other end of the strengthening arm s
4. Safety apparatus according to claim 3 wherein said locating insert is a substantially circular rim
5. Safety apparatus according to claim 4 wherein said rim tapers inwards
6. Safety apparatus according to any preceding claim wherein 5 said carriage defines an aperture configured to receive the second end of said strengthening arm
7. Safety apparatus according to any preceding claim wherein said strengthening arm further comprises at least one tube configured to 10 receive a cable
8. Safety apparatus according to any preceding claim wherein the second end of said strengthening arm is configured to receive a threaded fastener
9. Safety apparatus according to any preceding claim wherein said first support section comprises an arm support for said strengthening arm To
10. Safety apparatus according to any preceding claim wherein said second support section comprises a securing device for said strengthening arm
11. Safety apparatus according to any preceding claim wherein z said apparatus further comprises a cable connection plate configured to rotate around said first support section and said cable connection plate comprises a cy,,ndricai portion having at least one extension portion
2004-P1 1 3-GB
extending therefrom, said extension portion comprising a connection point.
12. Safety apparatus according to any preceding claim wherein said apparatus further comprises a pulley system configured to provide an 5 operative connection between said first support section and said second support section, said pulley system comprising a first pulley set having a first securing loop, a second pulley set having a second securing loop and a pulley rope, said pulley rope being wound around said pulley system, having a first end secured to said first securing loop and a second end to secured to said second securing loop, such that the length of rope received by said first pulley set and said second pulley set is adjustable according to an inverse relationship
13. Safety apparatus comprising a rigid external strengthener s substantially as herein described with reference to and as shown in Figures 1 to 8
14. Safety apparatus comprising a substantially vertical support wherein said support has a lower section connectable to a structure, an so extending upper section and an additional member for reinforcing said upper section when extended.
e r i r 2 me,,, ' # C
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0113933.6A GB0113933D0 (en) | 2001-06-08 | 2001-06-08 | Adjustable safety cable |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB0213032D0 GB0213032D0 (en) | 2002-07-17 |
| GB2377965A true GB2377965A (en) | 2003-01-29 |
| GB2377965B GB2377965B (en) | 2005-04-20 |
Family
ID=9916151
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GBGB0113933.6A Ceased GB0113933D0 (en) | 2001-06-08 | 2001-06-08 | Adjustable safety cable |
| GB0213037A Expired - Fee Related GB2377966B (en) | 2001-06-08 | 2002-06-07 | Safety apparatus |
| GB0213032A Expired - Fee Related GB2377965B (en) | 2001-06-08 | 2002-06-07 | Safety apparatus |
| GB0213030A Expired - Fee Related GB2377964B (en) | 2001-06-08 | 2002-06-07 | Safety apparatus |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GBGB0113933.6A Ceased GB0113933D0 (en) | 2001-06-08 | 2001-06-08 | Adjustable safety cable |
| GB0213037A Expired - Fee Related GB2377966B (en) | 2001-06-08 | 2002-06-07 | Safety apparatus |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0213030A Expired - Fee Related GB2377964B (en) | 2001-06-08 | 2002-06-07 | Safety apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (4) | GB0113933D0 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2424466C (en) * | 2003-04-04 | 2010-01-26 | Unique Concepts Ltd. | Fall restraint anchoring post |
| US7537085B2 (en) | 2003-04-07 | 2009-05-26 | Capital Safety Group Winnipeg Ltd. | Fall restraint anchoring post |
| CA2607843C (en) * | 2004-05-07 | 2011-02-15 | Leigh Dowie | Safety apparatus |
| AU2005240671B2 (en) * | 2004-05-07 | 2009-08-06 | Kstrong Holding Uk Limited | Safety apparatus |
| CN113107084B (en) * | 2021-04-28 | 2021-12-21 | 杨笃云 | Safety device for steel frame glass shed |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2696491A1 (en) * | 1992-10-01 | 1994-04-08 | Gellon Jean Francois | Re-usable modular hoarding for building sites - is made of galvanised steel with triangular frame for support and concrete stabilising blocks |
| WO2001027411A1 (en) * | 1999-10-12 | 2001-04-19 | Stephen Murten | Adjustable safety cable |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2600540B2 (en) * | 1986-06-27 | 1991-05-10 | Herlicq Fils Ets Alfred | SAFETY DEVICE FOR HIGH HEIGHT TRAFFIC. |
| US5004071A (en) * | 1990-04-13 | 1991-04-02 | Specialized Shipping Products, Ltd. | Adaptor bracket |
| US5850889A (en) * | 1995-05-12 | 1998-12-22 | Rexroad; John | Single post safety anchor |
| JPH10164739A (en) * | 1996-11-28 | 1998-06-19 | Chiyuuden Koji Kk | Cable protective strut |
| AU722213B3 (en) * | 1999-10-29 | 2000-07-27 | Robert Gordon Richards | Support apparatus |
| WO2002038887A1 (en) * | 2000-11-10 | 2002-05-16 | Robert Gordon Richards | Support apparatus |
-
2001
- 2001-06-08 GB GBGB0113933.6A patent/GB0113933D0/en not_active Ceased
-
2002
- 2002-06-07 GB GB0213037A patent/GB2377966B/en not_active Expired - Fee Related
- 2002-06-07 GB GB0213032A patent/GB2377965B/en not_active Expired - Fee Related
- 2002-06-07 GB GB0213030A patent/GB2377964B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2696491A1 (en) * | 1992-10-01 | 1994-04-08 | Gellon Jean Francois | Re-usable modular hoarding for building sites - is made of galvanised steel with triangular frame for support and concrete stabilising blocks |
| WO2001027411A1 (en) * | 1999-10-12 | 2001-04-19 | Stephen Murten | Adjustable safety cable |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0113933D0 (en) | 2001-08-01 |
| GB2377964B (en) | 2005-04-20 |
| GB2377966B (en) | 2005-04-20 |
| GB0213030D0 (en) | 2002-07-17 |
| GB2377966A (en) | 2003-01-29 |
| GB0213032D0 (en) | 2002-07-17 |
| GB2377964A (en) | 2003-01-29 |
| GB0213037D0 (en) | 2002-07-17 |
| GB2377965B (en) | 2005-04-20 |
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Effective date: 20100607 |