AU2017272254B2 - Guard Rail Scaffolding System - Google Patents
Guard Rail Scaffolding System Download PDFInfo
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- AU2017272254B2 AU2017272254B2 AU2017272254A AU2017272254A AU2017272254B2 AU 2017272254 B2 AU2017272254 B2 AU 2017272254B2 AU 2017272254 A AU2017272254 A AU 2017272254A AU 2017272254 A AU2017272254 A AU 2017272254A AU 2017272254 B2 AU2017272254 B2 AU 2017272254B2
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- bracket
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- members
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Abstract
A guard rail scaffolding system for a building structure, comprising:
brackets securable to frame members of the building structure, each bracket
presenting, when the frame members are erected to define the frame of the building structure,
a fastening point for an upright support member;
a plurality of upright support members, each fastened at a lower portion thereof to a
corresponding bracket for supporting a guard rail; and
at least one guard rail extending between upright support members.
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5 30
75
Figure 2
Description
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Figure 2
P10029AU Specification - Marked Up(1) 29 Mach 2023
Guard Rail Scaffolding System
Field of the invention The present invention relates to a guard rail scaffolding system which provides fall protection in relation to a building structure. The present invention also relates to brackets for use in the system and a method of installing such a system.
Background In the construction of multistorey building structures, guard rail scaffolding is commonly used to support workers and to protect them from falling from an elevated height. However, the erecting of such scaffolding typically occurs in stages which are staggered with the actual construction of the building structure. For example, wooden frame members might first be erected to form a building frame, or a part thereof, before corresponding scaffolding can be installed. This approach can delay or prolong the time required to construct a building structure, and thus increase the costs associated therewith.
Examples of the present invention seek to solve, or at least ameliorate, one or more disadvantages associated with of previous guard rail scaffolding.
Summary There is provided a guard rail scaffolding system for a building structure, comprising: upright support members, each comprising an upwardly extending support arm for supporting one or more guard rails, and a bottom arm extending generally perpendicularly to the support arm; brackets, each comprising a planar portion configured to engage and be secured to an upper end of a planar face of a respective upright frame member of the building structure, and an opening extending perpendicular to the upright frame member
P10029AU Specification - Marked Up(1) 29 Mach 2023
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configured for receiving therethrough the bottom arm of a respective support member such that the bottom arm extends away from the upright frame members and the support arm extends vertically upward of and is generally parallel to the upright frame members; and at least one guard rail extending between and supported by respective support arms of adjacent upright support members.
In another aspect, there is provided a method of installing a guard rail scaffolding system for a building structure, comprising the steps of: securing brackets according to any one of claims 4 to 8 to frame members of a building structure; erecting the frame members so as to define the frame of the building structure; securing an upright support member to each bracket via insertion of the bottom arm of each support member into the opening of respective brackets such that the bottom arm of each support member extends outwardly from the building structure and the corresponding support arm extends upwardly of and parallel to the erected frame member to which the bracket is secured; and installing at least one guard rail between two or more secured upright support members.
Preferably, the frame members have a narrower face and a wider face and each bracket is secured to the wider face of a respective frame member. In this embodiment, it is envisaged that each bracket is secured to a side of a respective frame member that defines an inner side of the building frame.
There is also provided a bracket for use in a guard rail scaffolding system according to the first aspect of the present invention.
Preferably, the bracket comprises a planar portion configured for engaging with and being secured to a respective frame member, and an opening for receipt of a lower end of a respective upright support member. The planar portion may be formed of
P10029AU Specification - Marked Up(1) 29 Mach 2023
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multiple parts separate from each other. The bracket can also comprise side support members at sides of the planar portion, the side support members each having an aperture formed therein to define the opening for receiving the lower end of a respective upright support member. The side support members can align with sides of the frame members.
In certain embodiments, the bracket comprises a spring-loaded fastening means for releasably fastening a respective upright support member to the bracket.
There is also provided a method of installing a guard rail scaffolding system for a building structure, comprising the steps of: securing brackets to frame members of a building structure, each bracket presenting, when the frame members are erected, a mounting point for an upright support member; erecting the frame members so as to define the frame of the building structure; securing an upright support member to each bracket; and installing at least one guard rail between two or more secured upright support members.
Preferably, each bracket is secured to respective frame members prior to delivery of the frame members to a building site. Each upright support member can then be secured to a respective secured bracket prior to or after delivery of the frame members to the building site.
In certain embodiments, the frame members have a narrower face and a wider face and each bracket is secured at the wider face of a respective frame member. In this embodiment, it is envisaged that each bracket is secured to a side of a respective frame member that defines an inner side of the building frame.
P10029AU Specification - Marked Up(1) 29 Mach 2023
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Brief description of the drawings In order that the invention may be more easily understood, an embodiment will now be described, by way of example only, with reference to the accompanying drawings, in which: Figure 1: is a front view of a guard rail scaffolding system in which two adjacent upright support members support two guardrails between them, each upright support member being fastened to respective brackets which are themselves are fastened to respective frame members of a building frame; Figure 2: is a side view of the system of Figure 1; Figure 3: is a front view of the bracket of the system; Figure 4: is a top view of the bracket of Figure 3; Figure 5: is a cross-sectional side view of a bracket; Figure 6: is a perspective view of another bracket for use with the scaffolding system; Figure 7: is a front view of the bracket of Figure 6, the bracket being rotated 90 degrees counter clockwise; Figure 8: is a side view of the bracket of Figure 6, the bracket being rotated 90 degrees counter clockwise; Figure 9: is a perspective view of another guard rail scaffolding system; Figure 10: is a front view of the system of Figure 9; and Figure 11: is an end view of the system of Figure 9.
Detailed description Figures 1 and 2 illustrate the present guard rail scaffolding system 1 installed in respect of a building structure comprising frame members 75 and floor joists 60; the building structure could, for example, be that of a house or a commercial building. The system 1 includes a plurality of support brackets 5, each bracket 5 being preferably metallic and secured to respective frame members 75 via known securing means 30 such as screws for example. While building frame members 75 are often wooden, it is envisaged that the present system would also be adaptable to non-wooden frame
P10029AU Specification - Marked Up(1) 29 Mach 2023
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members. For example, the brackets 5 could be secured to steel frame members via welding.
With reference to Figures 4 to 6, each bracket 5 includes a substantially rectangular planar portion 15 which is securable to a frame member 75, and a central raised portion 20 defining an opening 80 for slidingly receiving the bottom arm 40 of an upright support member 10. In the example depicted in Figure 6, it is envisaged that the raised portion 20 of the bracket 5 can accommodate a spring-loaded pin 25 which can be located against the upright support member 10 for releasably fastening it to the bracket 5. In another example, the spring-loaded pin 25 can be received through a corresponding hole in the upright support member 10, thereby securing the upright support member 10 to the bracket 5. Of course, other common fastening means (e.g. screws, bolts, welding) may be used to fasten an upright support member 10 to a corresponding bracket 5.
While it is envisaged that the bracket 5 is substantially metallic and can be galvanised and/or formed of mild steel, it can of course be formed from other suitably strong and secure materials. As such, the bracket, which is generally a flush plate having a square hollow section welded thereon, provides a simple and cheap connection point to which an upright support member 10 can be secured.
Referring to Figures 1 to 3, each upright support member 10 comprises a support arm 35 extending upwardly from the bottom arm 40, the support arm 35 having one or more supports 45 for supporting a wooden guard rail 50. In the depicted example, each support 45 comprises a flanged ledge for accommodating a guard rail 50. In this way, one or more guard rails 50 can be supported by and extend between adjacent upright support members 10. It is envisaged that each guard rail 50 can be fastened to corresponding upright support members 10 via common fastening means 55 such as screws or bolts. Of course, characteristics such as the positioning and configuration of the guard rails 50 can be varied so as to optimise their ability to protect workers from falling from elevated heights.
P10029AU Specification - Marked Up(1) 29 Mach 2023
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It will be appreciated that wooden frame members 75 which make up a building frame are often rectangular in cross-section and thus present two opposed narrower faces, each adjacent to two opposed wider faces. In these cases, it is preferred that each bracket 5 is secured to the wider face of a respective frame member 75 - the wider face typically defining an inner side of the building frame.
In order to reduce the construction time required at the building site of the building structure, it is envisaged that the brackets 5 can each be secured to respective frame members 75 before the frame members 75 are actually delivered to the building site.
In this way, once the frame members 75 are delivered to the building site, their very erection to form the building frame also amounts to simultaneously forming at least part of the guard rail scaffolding system. As such, once the frame members 75 with pre secured brackets 5 are erected, only the upright support members 10 and/or guard rails 50 need to be installed to complete the guard rail scaffolding, thereby reducing the time required to erect a building frame and install a scaffolding system at a building site, while still providing a system that meets the requisite safety requirements.
It is also envisaged that each upright support member 10 can be secured to the pre-secured brackets prior to or after delivery of the frame members 75 to the building site. For example, each upright support member 10 could be connected to a respective bracket 5 via a hinged connection. As such, once the frame members 75 with pre-secured brackets 5 and upright support members are erected at a building site, only the guard rails 50 need to be installed to complete the guard rail scaffolding, thereby reducing the time required to erect a building frame and install a scaffolding system at a building site.
Once the guard rail scaffolding system is no longer required, the guard rails 50 can be unfastened from the upright support members 10, the upright support members 10 can be unfastened from the brackets 5, and the brackets 5 can be unfastened from the frame members 75; the guard rails 50, upright support members 10 and brackets 5
P10029AU Specification - Marked Up(1) 29 Mach 2023
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all being reusable. Alternatively, the brackets 5 can remain fastened to the frame members 75. The embodiments have been described by way of example only and modifications are possible within the scope of the invention disclosed.
Figures 9 to 11 illustrate another guard rail scaffolding system 101. The system can also be installed in respect of a building structure comprising frame members and floor joists, the building structure could, for example, be that of a house or a commercial building. Each bracket 105 is preferably metallic and secured to respective frame members (not shown) via known securing means such as screws which extend through apertures 122 (refer Figure 7). While the building frame members are often wooden, it is envisaged that the present system would also be adaptable to non-wooden frame members. For example, the brackets 5 could be secured to steel frame members via welding.
With reference to Figures 6 to 8, each bracket 105 includes a substantially rectangular planar portion, which in the illustrated embodiment is formed as two parts of brackets 115a and 115b. The planar portion is securable to a frame member, in particular a long side face of the frame member. Each bracket 105 also includes side support members 118, which define an opening 180 for slidingly receiving a bottom arm 140 of an upright support member 110 and provide a face which can rest against the frame member to strengthen the connection of the bracket 105 to the frame member and avoid disengagement upon extreme loading. The side support members 118 extend from and are perpendicular to sides of the planar portions 115a, 115b.
Each of brackets 115a and 115b have an upturned portion with an aperture 130 which can accommodate a fastener for securing the bracket 105 to the upright support member 110. In the illustrated example, the fastener is a spring-loaded pin 125 (see Figure 6). Of course, other common fastening means (e.g. screws, bolts, welding) may be used to fasten an upright support member 110 to a corresponding bracket 105.
P10029AU Specification - Marked Up(1) 29 Mach 2023
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While it is envisaged that the bracket 105 is substantially metallic and can be galvanised and/or formed of mild steel, it can of course be formed from other suitably strong and secure materials. As such, the bracket, which is generally a flush plate having a square hollow section welded thereon, provides a simple and cheap connection point to which an upright support member 110 can be secured.
Referring to Figures 9 10 11, each upright support member 110 comprises a support arm 135 extending upwardly from the bottom arm 140, the support arm 135 having one or more supports 145 for supporting a wooden guard rail (not shown). In the depicted example, each support 145 is in the form of a surround, though could also be in the form of a flanged ledge for accommodating the guard rail. In this way, one or more guard rails can be supported by and extend between adjacent upright support members 110. It is envisaged that each guard rail can be fastened to corresponding upright support members 110 via common fasteners received in apertures 55. The fasteners may be screws or bolts, though could also be spring loaded bolts or other similar quick connecting fasteners. Of course, characteristics such as the positioning and configuration of the guard rails can be varied so as to optimise their ability to protect workers from falling from elevated heights.
It will be appreciated that wooden frame members which make up a building frame are often rectangular in cross-section and thus present two opposed narrower faces, each adjacent to two opposed wider faces. In these cases, it is preferred that each bracket 105 is secured to the wider face of a respective frame member - the wider face typically defining an inner side of the building frame. Side support members 118 can then lie near or against and generally alight with the narrower face of a respective frame member.
In order to reduce the construction time required at the building site of the building structure, it is envisaged that the brackets 105 can each be secured to respective frame members before the frame members are delivered to the building site.
P10029AU Specification - Marked Up(1) 29 Mach 2023
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In this way, once the frame members are delivered to the building site, their very erection to form the building frame also amounts to simultaneously forming at least part of the guard rail scaffolding system. As such, once the frame members with pre-secured brackets 105 are erected, only the upright support members 110 and/or guard rails need to be installed to complete the guard rail scaffolding, thereby reducing the time required to erect a building frame and install a scaffolding system at a building site, while still providing a system that meets the requisite safety requirements.
It is also envisaged that each upright support member 110 can be secured to the pre-secured brackets prior to or after delivery of the frame members to the building site. For example, each upright support member 110 could be connected to a respective bracket 105 via a hinged connection. As such, once the frame members with pre-secured brackets 105 and upright support members are erected at a building site, only the guard rails need to be installed to complete the guard rail scaffolding, thereby reducing the time required to erect a building frame and install a scaffolding system at a building site.
Once the guard rail scaffolding system is no longer required, the guard rails can be unfastened from the upright support members 110, the upright support members 110 can be unfastened from the brackets 105, and the brackets 105 can be unfastened from the frame members; the guard rails, upright support members 110 and brackets 105 all being reusable. Alternatively, the brackets 105 can remain fastened to the frame members.
The embodiments have been described by way of example only and modifications are possible within the scope of the invention disclosed. For example, although the system has been described in relation to a building frame, those skilled in the art will appreciate that the invention could also be used as fall protection for roof trusses.
Throughout this specification and the claims which follow, unless the context requires otherwise, the word "comprise", and variations such as "comprises" and "comprising", will be understood to imply the inclusion of a stated integer or step or
P10029AU Specification - Marked Up(1) 29 March 2023
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group of integers or steps but not the exclusion of any other integer or step or group of integers or steps.
The reference in this specification to any prior publication (or information derived from it), or to any matter which is known, is not, and should not be taken as an acknowledgment or admission or any form of suggestion that that prior publication (or information derived from it) or known matter forms part of the common general knowledge in the field of endeavour to which this specification relates.
Claims (12)
1. A guard rail scaffolding system for a building structure, comprising: upright support members, each comprising an upwardly extending support arm for supporting one or more guard rails, and a bottom arm extending generally perpendicularly to the support arm; brackets, each comprising a planar portion configured to engage and be secured to an upper end of a planar face of a respective upright frame member of the building structure, and an opening extending perpendicular to the upright frame member configured for receiving therethrough the bottom arm of a respective support member such that the bottom arm extends away from the upright frame members and the support arm extends vertically upward of and is generally parallel to the upright frame members; and at least one guard rail extending between and supported by respective support arms of adjacent upright support members.
2. A system according to claim 1, wherein each upright frame member has a narrower planar face and a wider planar face and the planar portion of each bracket is secured to the wider planar face of a respective frame member.
3. A system according to claim 1 or 2, wherein each bracket is secured to a respective upright frame member prior to erection thereof to form the frame of the building structure.
4. A bracket for use in a guard rail scaffolding system according to any one of the preceding claims.
5. A bracket according to claim 4, wherein the planar portion is elongate and configured to extend along a longitudinal direction of the upright frame member to which the bracket is secured.
6. A bracket according to claim 5, comprising side support members at respective sides of the planar portion, the side support members each having an aperture formed therein, the apertures being aligned in a direction that is generally orthogonal to the elongate planar portion so as to define the opening for slidingly receiving the bottom arm of a respective upright support member.
P10029AU Specification - Marked Up(1) 29 Mach 2023
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7. A bracket according to claim 6, wherein in use, each side support member is configured to align with respective planar faces of a frame member adjacent to the planar face to which the planar portion of the bracket is secured.
8. A bracket according to claim 7, comprising a spring-loaded fastening means for releasably fastening the bottom arm of a respective upright support member within the opening of the bracket.
9. A method of installing a guard rail scaffolding system for a building structure, comprising the steps of: securing brackets according to any one of claims 4 to 8 to frame members of a building structure; erecting the frame members so as to define the frame of the building structure; securing an upright support member to each bracket via insertion of the bottom arm of each support member into the opening of respective brackets such that the bottom arm of each support member extends outwardly from the building structure and the corresponding support arm extends upwardly of and parallel to the erected frame member to which the bracket is secured; and installing at least one guard rail between two or more secured upright support members.
10. A method according to claim 9, wherein each bracket is secured to an upper end of a planar face of respective frame members prior to delivery of the frame members to a building site.
11. A method according to claim 10, wherein each upright support member is secured to a respective secured bracket prior to or after delivery of the frame members to the building site.
12. A method according to any one of claims 9 to 11, wherein the frame members have a narrower face and a wider face and each bracket is secured at the wider face of a respective frame member.
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Figure 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2016905056 | 2016-12-08 | ||
| AU2016905056A AU2016905056A0 (en) | 2016-12-08 | Guard rail scaffolding system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2017272254A1 AU2017272254A1 (en) | 2018-06-28 |
| AU2017272254B2 true AU2017272254B2 (en) | 2023-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2017272254A Active AU2017272254B2 (en) | 2016-12-08 | 2017-12-07 | Guard Rail Scaffolding System |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU2017272254B2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1287186A (en) * | 1970-03-11 | 1972-08-31 | E St John Holt And Associates | Guard rail support |
| US20090095947A1 (en) * | 2007-10-11 | 2009-04-16 | Brad Supples | Fall protection assembly |
-
2017
- 2017-12-07 AU AU2017272254A patent/AU2017272254B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1287186A (en) * | 1970-03-11 | 1972-08-31 | E St John Holt And Associates | Guard rail support |
| US20090095947A1 (en) * | 2007-10-11 | 2009-04-16 | Brad Supples | Fall protection assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2017272254A1 (en) | 2018-06-28 |
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| FGA | Letters patent sealed or granted (standard patent) |