CA2635557A1 - Roofing safety rail system - Google Patents
Roofing safety rail system Download PDFInfo
- Publication number
- CA2635557A1 CA2635557A1 CA002635557A CA2635557A CA2635557A1 CA 2635557 A1 CA2635557 A1 CA 2635557A1 CA 002635557 A CA002635557 A CA 002635557A CA 2635557 A CA2635557 A CA 2635557A CA 2635557 A1 CA2635557 A1 CA 2635557A1
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- Canada
- Prior art keywords
- roof
- pin
- rafter
- vertical
- attached
- 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.)
- Abandoned
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/22—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by roofs or ceilings
-
- 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
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
- E04G21/3214—Means for working on roofs
-
- 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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/26—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons specially adapted for working on roofs
-
- 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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/26—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons specially adapted for working on roofs
- E04G3/265—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons specially adapted for working on roofs with means to adapt it to a variable pitch of the roof
-
- 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
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
-
- 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
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/041—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffolds on roof frameworks or on roofs
-
- 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
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/041—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffolds on roof frameworks or on roofs
- E04G5/043—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffolds on roof frameworks or on roofs for fastening scaffolds on gutters
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Emergency Lowering Means (AREA)
Abstract
A rafter pin that can be used to support different roofing safety apparatuses individually and in combination. The rafter pin has a roof cleat for fastening to a roof of a building, a hinge attached to an end of the roof cleat extending beyond an edge of the roof, a vertical pin connected to and suspended from the hinge with a base portion extending downwards. Attached to the bottom of the base portion is a bottom housing with a horizontally adjustable member extensible therefrom towards a vertical exterior surface of the building for engagement of the adjustable member thereto for pivotal positioning of the vertical pin. The vertical pin has an upper portion directed upwards from the base portion for mounting roofing safety apparatus components, either individually or in combination. Roofing safety apparatus assemblies used with the rafter pin include a support assembly for a hanging scaffold having guard rails, a guard rail support for a safety guard rail running parallel to the edge of the roof, a roof jack for supporting a plank on an installed triangular brace, and a skid platform support for inclined roofs.
Description
ti Roofing Safety Rail System BACKGROUND OF THE INVENTION
(i) Field of the Invention This invention relates to a rafter pin for supporting roofing safety apparatus, and more particularly, to a rafter pin for a roofing safety system for use on sloped roofs.
(ii) Description of the Related Art Worker safety while working at heights is an important aspect of productivity and regulation in the construction. industry in recent years. Traditional safety equipment including safety belts, lanyards and tube scaffolding erected from the ground up are often not satisfactory. And also, when working at heights, ladders and tube scaffolding often lack utility.
U.S. Pat. No. 1,558,425 issued October 20, 1925 describes a hanging staging bracket for supporting a staging. The staging bracket has a vertical member with an upper end in the form of a gooseneck having an angularly adjustable attaching front for anchoring to a roof. The vertical member is connected to a horizontal member adapted to receive the staging thereon. The horizontal member has an adjustable arm projecting from it for engaging a wall of a building.
U.S. Pat. No. 1,926,207 issued September 12, 1933 discloses a safety gutter bracket for roofers. The safety bracket has an anchor plate for anchoring to a roof that has an end projecting beyond the roof with an aperture, a hook for engaging the aperture and a vertical bracket to which the hook is fastened. The bottom of the vertical bracket has an adjustable horizontal bracket for resting against the side of a house. The top of the vertical bracket supports a stage flooring to which a toe board and hand rail support are attached.
U.S. Pat. No. 2,308,142 issued January 12, 1943 is for a portable scaffold having a vertical member suspended from a roof and having a number of horizontal members extending therefrom.
U.S. Pat. No. 3,158,223 issued November 24, 1964 describes a scaffold support having an elongated element with a straight body portion and a curved portion at the top that ends in means for gripping a roof. The elongated element bottom end has a spacing arm attached thereto and extending laterally therefrom to engage the side of a building.
Scaffolding support elements are also attached to the lower part of the elongated element.
Elements for attaching a guard rail extend from the middle of the elongated member and from the scaffolding support elements.
U.S. Pat. No. 4,957,185 issued September 18, 1990 describes a hanging roof scaffold.
The roof scaffold has a roof cleat and bracket supported therefrom by an angle member that is attached to an upright member. The bottom of the upright member is attached to a horizontal member that supports a plank. The horizontal member also has an extension leg for contacting a wall and a rail support upright mounted on it.
Canadian Pat. No. 2,150,578 issued February 7, 2006 discloses a building roof eave mounting guard structure. The guard structure comprises a roof cleat hingedly connected to an elongated support member for retaining a toe board. The elongated support member has a back rail support member mounted on it for the retention of back rail supports.
U.S. Pat. No. 3,901,481 issued August 26, 1975 is for a safety barricade for a roof that can be used as a safety railing. The barricade includes a series of spaced supports each comprising a tubular support pivotably and lockably connected to a secured plate. Pipes are inserted in the tubular supports and horizontal rails are connected to the pipes.
U.S. Pat. No. 5,113,971 issued May 19, 1992 describes an adjustable roofing jack having a frame for engaging the surface of a roof. An adjustable scaffold support is attached to the frame for supporting a scaffold board of a selected width.
U.S. Pat. No. 3,526,296 issued September 1, 1970 discloses a portable staging.
The portable staging comprises a plurality of inclined braces disposed against a slant roof, the upper end of each brace being hook-shaped for overlying the roof peak and having a pad pivotably connected at the end for securing the brace. Vertical braces are attached to the inclined braces. Horizontal cross braces attached at one end to the tops of the vertical braces and at the other end to the hook end of an associated inclined brace. A
platform is positioned across the parallel cross braces.
SUMMARY OF THE INVENTION
It is an object of the invention to provide for a rafter pin that can be used to support different roofing safety apparatus individually and in combination.
It is a further object of the invention to provide a number of roofing safety apparatus assemblies for use with the rafter pin.
In its simplest embodiment, the invention provides a rafter pin for supporting roofing safety apparatus. The rafter pin has a roof cleat and fastening means for fastening said roof cleat to a roof of a building. An extended end of the roof cleat extends beyond an edge of the roof and has a hinge attached thereto. A vertical pin is connected to and suspended from the hinge and the hinge is pivotable about an axis parallel to the edge of the roof. The vertical pin has a base portion extending downwards from the hinge when the vertical pin is in a vertical operative position and a bottom housing is attached to the bottom of the base portion. The rafter pin has a horizontally adjustable member extensible from the bottom housing towards a vertical exterior surface of the building for engagement of a contact end of the adjustable member thereto such as to pivotally position the vertical pin and means to secure the adjustable member end when the vertical pin is in the vertical operative position whereby the vertical pin can be held fixed in the vertical operative position. The vertical pin has an upper portion directed upwards from the base portion for mounting a roofing safety apparatus component.
The invention further provides the roof cleat being a metal plate that defines openings therethrough for receiving fasteners. More particularly, the metal plate has an upper end opposite and elevated relative to the extended end, and the openings comprise at least two parallel slots extending at a selected angle inwards from a side of the metal plate and upwards to the upper end. It is preferred that the slots be of two alternating lengths such that a plurality of fasteners can be set in a staggered lengthwise pattern.
The invention further provides the bottom housing defining an internally threaded bore having an open end opposed to the vertical exterior surface or side of the building and the adjustable member having a shaft with at least a threaded lengthwise portion correspondingly and externally threaded for fit within the internally threaded-bore such that an installed adjustable member has the threaded lengthwise portion engage the internally threaded bore. The installed adjustable member is mounted for axial travel concentric within the internally threaded bore in direction perpendicular to the vertical exterior surface. A projecting portion of the adjustable member projects from the threaded bore towards the vertical exterior surface of the building. A grip is attached to the adjustable member for rotational movement thereof, whereby the contact end can be moved towards or away from the vertical exterior surface. The contact end of the adjustable member has a foot plate that is rotatable with respect to the adjustable member.
The foot plate can define apertures for receiving fasteners.
Broadly stated, the rafter pin for supporting roofing safety apparatus comprises a metal plate roof cleat and means for fastening it onto the roof of a building, an extended end of the roof cleat extending beyond an edge of the roof and having a hinge attached thereto and the hinge being pivotable about an axis parallel to the edge of the roof. An upper end of the roof cleat is opposite and elevated relative to the extended end. At least two parallel slots for receiving fasteners extend inwards and upwards towards the upper end from a side of the roof cleat plate. A vertical pin is connected to and suspended from the hinge, the vertical pin having a base portion extending downwards from the hinge when the vertical pin is in a vertical operative position and a bottom housing attached to the bottom of the base portion. The bottom housing defines an internally threaded bore having an open end opposed to a vertical exterior surface of a building. The bottom housing has a horizontally adjustable member providing a shaft with at least a threaded segment externally threaded for fittingly mounting the threaded segment within the bore. The adjustable member is mounted within the bore with a projecting portion of the adjustable member projecting from the threaded bore towards the vertical exterior surface of the building. An end of the projecting portion closest to the vertical exterior surface provides a contact end having a foot plate. A grip is attached to the shaft for rotating the adjustable member to result in movement of the contact end relative to the vertical exterior surface, whereby the projecting portion can be extended for engagement of the foot plate against the vertical surface to pivotally position the vertical pin. The vertical pin has an upper portion directed upwards from the base portion for mounting a roofing system safety component.
Another aspect of the invention provides support assembly for a hanging scaffold. The support assembly has the rafter pin as previously set forth and further comprises a collar slidingly installable on the upper portion of the vertical pin and an intermediate member connecting the collar to a downwardly directed front vertical member that is spaced apart from a side of the building when the vertical member is vertically orientated.
The bottom end of the front vertical member is attached to a top surface of a horizontal base member, preferably by an inverted T-joint. The horizontal base member has an extensible adjustment arm extending therefrom towards the side of the building and the adjustment arm has an end distal from the horizontal base member with a bearing foot attached thereto for contacting the side of the building. The support assembly has means for securing the adjustment arm relative to the horizontal base member. The horizontal base member has a back end distal from the side of the building with a back upright extending upwards therefrom. The front vertical member and the back upright are spaced apart such that the horizontal base member can transversely receive a scaffold thereupon. The back upright has a loop attached thereto for receiving and supporting a guard rail running parallel to the edge of the roof. It is also provided that the front vertical member has a hoop attached thereto for receiving and supporting a guard rail running parallel to the edge of the roof. The back end of the base member has an upwardly directed base pin upon which the back upright is removably mountable and means for securing a mounted back upright. The support assembly further provides that the adjustment arm has a plurality of longitudinally spaced arm apertures, the base member has a base aperture for selectively aligning with the arm apertures, and an arm retaining pin is receivable by the base aperture and an aligned arm aperture to secure the adjustment arm whereby an arm aperture can be selected for leveling the base member.
In another aspect, the invention provides a guard rail support for a safety guard rail. The safety guard rail support has the previously disclosed rafter pin and further comprises a guard rail post that is removably mountable upon the vertical pin upper portion and the guard rail post has a hoop attached thereto for receiving and supporting a guard rail running parallel to the edge of the roof. The vertical pin upper portion has an aperture for aligning with a corresponding post aperture in a mounted post to, form aligned apertures. A post retaining pin is receivable by the aligned apertures for securing the post.
In yet another aspect the invention provides a roof jack for supporting a plank. The roof jack has the rafter pin as previously set forth and further comprises a jack bar collar rotatably attached to a collar end of a jack bar and slidingly installable on the vertical pin upper portion. The jack bar is disposed against the sloped roof above the rafter pin and secured by the collar. The roof jack has means to install and attach a generally triangular brace to a top surface of the jack bar, and an installed triangular brace has an approximately horizontal top support member. The top support member has an upper surface for receiving and supporting a plank. The roof jack further provides that the triangular brace and the jack bar have alignable corresponding apertures for receiving a triangular brace retaining pin for securing the triangular brace to the jack bar.
It is further provided the roof jack has a hollow receiving end opposite to the collar end and higher in elevation when installed. A stanchion bar has a narrow end portion for mounting within the hollow receiving end. The stanchion bar is disposed against the top of the roof and received by the hollow receiving end of the jack bar. The roofjack has means to attach and install a generally triangular brace to a top surface of the stanchion bar and an installed triangular brace has a top support member with an approximately horizontal upper surface for transversely receiving and supporting a plank thereupon.
In still yet another aspect, the invention provides a skid (or pallet) platform support for an inclined roof. The skid platform support has the rafter pin previously disclosed and further comprises a platform post that is removably mountable upon the vertical pin upper portion and has a platform post hoop attached to a top end thereof for receiving a horizontal rafter. The horizontal rafter runs perpendicular to the edge of the roof and extends from the platform post hoop towards the top surface of the roof. The skid platform has a roof plate that has a hoop base attached thereupon, a rafter hoop attached to the hoop base and a means for selectively attaching the roof plate to the roof to align the rafter hoop with the platform post hoop for receiving the horizontal rafter such that the horizontal rafter can be received and supported by both the platform post hoop and the rafter hoop. The horizontal rafter has a top surface for supporting a skid.. As is obvious, the skid platform support is not limited to supporting skids (or pallets) and could be used to support other things. The invention further provides the roof plate is a longitudinal roof cleat that has a roof cleat higher end and that at least two parallel slots for receiving fasteners and that extend inwards and upwards towards the roof cleat higher end from a side of the longitudinal roof cleat.
The present invention embodies a roofing safety system that has the disclosed rafter pin and that further comprises the support assembly for a hanging scaffold installed in combination with the guard rail support for a safety guard rail.
The present invention also embodies a roofing safety system having the disclosed rafter pin and that further comprises the support assembly for a hanging scaffold installed in combination with the roof jack for supporting a plank.
The present invention also embodies a roofing safety system having the disclosed rafter pin and further comprising the guard rail support for a safety guard rail installed in combination with the roof jack for supporting a plank.
BRIEF DESCRIPTION OF THE DRAWINGS
Preferred embodiments of the present invention will now be described by way of example only, having reference to the accompanying drawings in which:
FIG. 1 is an isometric view of a rafter pin being installed;
FIG. 1A is an isometric view of an installed rafter pin;
FIG. 2 is an isometric view of the support assembly for a hanging scaffold;
FIG. 3 is an isometric view of a pair of installed guard rail supports with safety guard rail extending between them;
FIG. 4 is an isometric view showing a combination of installed hanging scaffold support assemblies and guard rail supports;
FIG. 5 is an isometric view of a roof plate with a hoop base and a rafter hoop;
FIG. 6 is an isometric view of a skid platform support; and FIG. 7 is a side elevation view of the roofjack for supporting a plank.
DESCRIPTION OF THE PREFERRED EMBODIMENT
FIGS. 1 and 1A show an embodiment of rafter pin 10 for supporting roofing safety apparatus. The rafter pin has roof cleat 12 and fastening means for fastening said roof cleat to roof 11 of a building. An extended end 14 of the roof cleat extends beyond edge 20 of the roof and has hinge 16 attached thereto. Vertical pin 18 is connected to and suspended from hinge 16 which is pivotable about an axis parallel to edge 20 of the roof.
Vertical pin 18 has base portion 22 extending downwards from hinge 16 when the vertical pin is in a vertical operative position (FIG. 2) and bottom housing 24 is attached to the bottom of base portion 22. The rafter pin has horizontally adjustable member 26 extensible from bottom housing 24 towards vertical exterior surface 28 of the building for engagement of contact end 30 of adjustable member 26 thereto such as to pivotally position vertical pin 18. In general terms, the invention includes means to secure adjustable member 26 when vertical pin 18 is in the vertical operative position whereby vertical pin 18 can be held fixed in the vertical operative position. The vertical pin has upper portion 32 directed upwards from base portion 22 for mounting a roofing safety apparatus component. Upper portion 32 extends above the level of edge 20.
It is preferable that roof cleat 12 comprises a metal plate that has openings therethrough for receiving fasteners. More particularly, the metal plate has upper end 36 opposite and elevated relative to extended end 14, and the openings comprise at least two parallel slots 34 extending inwards from a side of the metal plate and upwards to upper end 36. It is envisioned that rafter pin 10 will be used on roofs that slope at different angles and possibly with some flat roofs. It is preferred that roof cleat 12 be installed above a roof rafter. The slots 34 are of two alternating lengths such that a plurality of fasteners 38 can be set in a staggered lengthwise pattern. The fasteners could possibly be nails, screws or spikes.
Rafter pin 10 is installed from the bottom before the worker has to go on roof 11, unlike some prior art safety systems that require a worker to go to the peak of roof 11 for installation.
The invention further includes the bottom housing defining internally threaded bore 40 having an open end (not shown) opposed to vertical exterior surface 28 of the building and adjustable member 26 having shaft 42 with at least a threaded lengthwise portion correspondingly and externally threaded for fit within internally threaded bore 40 such that installed adjustable member 26 has the threaded lengthwise portion engage internally threaded bore 40. Installed adjustable member 26 is mounted for axial travel concentric within internally threaded bore 40 in a direction perpendicular to vertical exterior surface 28. A projecting portion of adjustable member 26 projects from threaded bore towards vertical exterior surface 28 and ends with contact end 30. Adjustable member 26 can be rotated using attached grip 44, whereby contact end 30 can be moved towards or away from vertical exterior surface 28. Contact end 30 of adjustable member 26 has foot plate 46 that preferably is rotatable and pivotable with respect to adjustable member 26. Foot plate 46 can define foot apertures 48 for receiving fasteners. Foot apertures 48 are preferably 1/8 of an inch in diameter.
In the illustrated embodiment, the means to secure adjustable member 26 comprise the engaging threads of threaded base 40 and the threaded lengthwise portions of shaft 42. It is possible for adjustable member 26 to have something other than a threaded shaft and for the means to secure to vary. In its preferred embodiment, the dimensions of rafter pin 10 allow it to be installed at the edge 20 of some roofs that have eaves troughs, but the dimensions can vary.
Different roofing safety apparatus that can be installed on rafter pin 10 will now be described.
Making reference to FIG. 2, the invention includes support assembly 50 for a hanging scaffold. The support assembly has rafter pin 10 as previously set forth and further comprises collar 52 slidingly installable on upper portion 32 of vertical pin 18.
Intermediate member 53 connects collar 52 to downwardly directed front vertical member 54 that is spaced apart from side 55 of the building with bottom end 56 of front vertical member 54 being attached to a top surface of horizontal base member 58 by an inverted T-joint. Horizontal base member 58 has extensible adjustment arm 60 extending therefrom towards vertical exterior surface 28 or the side of the building and adjustment arm 60 has an end distal from the horizontal base member with bearing foot 62 attached thereto for contacting the side of the building. Support assembly 50 has means for securing adjustment arm 60 relative to horizontal base member 58. Horizontal base member 58 has a back end distal from vertical exterior surface 28 with back upright 64 extending upwards therefrom. Back upright 64 has loop 68 attached thereto for receiving and supporting a guard rail (not shown) running parallel to edge 20 of roof 10. The back end of base member 58 has upwardly directed base pin 72 upon which back upright 64 is removably mountable and means for securing a mounted back upright. Front vertical member 54 and back upright 64 are spaced apart such that base member 58 can transversely receive scaffold 66 thereupon. It is also provided that the front vertical member has hoop 68 attached thereto for receiving and supporting a guard rail 70 running parallel to edge 20 of the roof.
Support assembly 50 further provides that adjustment arm 60 has a plurality of equidistant longitudinally spaced arm apertures 74, the base member has a base aperture (not shown) for selectively aligning with arm apertures 74, and arm retaining pin 76 is receivable by base aperture 74 and an aligned arm aperture to secure adjustment arm 60.
An aperture 74 can be selected for leveling base member 58.
Making reference to FIG. 3, the invention includes guard rail support 80 for safety guard rail 70. Safety guard rail support 80 has previously disclosed rafter pin 10 and further comprises guard rail post 82 that is removably mountable upon vertical pin upper portion 32. Guard rail post 82 has hoop 68 attached thereto for receiving and supporting guard rail 70 running parallel to edge 20 of the roof. Guard rail support 80 also provides that vertical pin upper portion 32 has an aperture (not shown) for aligning with corresponding post aperture 84 in mounted post 82 to form a pair of aligned apertures. Post retaining pin 86 is received by the aligned apertures to secure post 82.
Making reference to FIG. 7, the invention includes roofjack 90 for supporting plank 92 on an inclined roof. Roof jack 90 has rafter pin 10 as previously set forth and further comprises jack bar collar 94 rotatably attached to a collar end ofjack bar 96.
Collar 94 is slidingly installable on vertical pin upper portion 32. Jack bar 96 is disposed against inclined roof 11 above rafter pin 10 and secured by collar 94, such that the end of jack bar 96 opposite to the collar end is elevated. Roof jack 90 has means to install and attach generally triangular brace 98 to a top surface ofjack bar 96, and installed triangular brace 98 has approximately horizontal top support member 100. Top support member 100 has an upper surface for receiving and supporting plank 92. It is preferred that triangular brace 98 and jack bar 96 have alignable corresponding apertures for receiving a retaining pin for triangular brace 98 for securing triangular brace 98 to jack bar 96.
Roof jack 90 has a hollow receiving end 102 opposite to the collar end and higher in elevation when installed. Stanchion bar 104 has narrow end portion 106 for mounting within hollow receiving end 102. An installed stanchion bar 104 is disposed against the top of roof 11 relatively closer to the peak and received by hollow receiving end 102 of the jack bar. Roof jack 90 has means to attach and install triangular brace 98 to top surface of stanchion bar 104 and installed triangular brace 98 has top support member 100 with approximately horizontal upper surface for transversely receiving and supporting plank 92 thereupon.
Making reference to FIGS. 5 and 6, the invention includes skid platform support 110 for inclined roof 11. Skid platform support 110 has rafter pin 10 previously disclosed and further comprises platform post 112 that is removably mountable upon vertical pin upper portion 32 and has platform post hoop 114 attached to a top end thereof for receiving horizontal rafter 116. Horizontal rafter 116 runs perpendicular to edge 20 of the roof and extends horizontally from platform post hoop 114 towards a top surface of roof 11. Skid platform support 110 has roof plate 118 that has hoop base 120 attached thereupon, rafter hoop 122 attached to hoop base 120 and means for attaching roof plate 118 to roof 11 whereby rafter hoop 122 is aligned with platform post hoop 114 for receiving horizontal rafter 116. Horizontal rafter 116 has a top surface for supporting a skid (not shown) or some other suitable platform.
The invention further provides roof plate 118 is a longitudinal roof cleat 12 that has roof cleat higher end 124 and that at least two parallel slots 34 for receiving fasteners and that extend inwards and upwards towards roof cleat higher end 124 from a side of longitudinal roof cleat 12. It is preferred that installed longitudinal roof cleat 12 be located above a rafter. An alternative embodiment is to replace roof plate 118 with a base or plate that could attach to the top ofjack bar 96 or stanchion bar 104.
In the illustrated embodiment of the invention, upper portion 32 of rafter pin 10 has a constant diameter that allows for it to receive collar 52 of support assembly 50, jack bar collar 94, mountable guard rail post 82 and platform post 112 either individually or in combination. It would also be possible for upper portion 32 to be narrower at the top and still receive more than one component.
As seen in FIG. 4, the present invention also embodies a roofing safety system that has disclosed rafter pin 10 and that further comprises support assembly 50 for a hanging scaffold installed in combination with guard rail support 80 for safety guard rail 70.
The present invention further embodies a roofing safety system having disclosed rafter pin 10 and that further comprises support assembly 50 for a hanging scaffold'installed in combination with roof jack 90 for supporting plank 92. Another possibility is a roofing safety system having rafter pin 10 and guard rail support 80 for safety guard rai170 installed in combination with roof jack 90 for supporting plank 92.
It will be understood, of course, that modifications can be made in the embodiment of the invention described herein without departing from the scope and purview of the invention as defined by the appended claims.
(i) Field of the Invention This invention relates to a rafter pin for supporting roofing safety apparatus, and more particularly, to a rafter pin for a roofing safety system for use on sloped roofs.
(ii) Description of the Related Art Worker safety while working at heights is an important aspect of productivity and regulation in the construction. industry in recent years. Traditional safety equipment including safety belts, lanyards and tube scaffolding erected from the ground up are often not satisfactory. And also, when working at heights, ladders and tube scaffolding often lack utility.
U.S. Pat. No. 1,558,425 issued October 20, 1925 describes a hanging staging bracket for supporting a staging. The staging bracket has a vertical member with an upper end in the form of a gooseneck having an angularly adjustable attaching front for anchoring to a roof. The vertical member is connected to a horizontal member adapted to receive the staging thereon. The horizontal member has an adjustable arm projecting from it for engaging a wall of a building.
U.S. Pat. No. 1,926,207 issued September 12, 1933 discloses a safety gutter bracket for roofers. The safety bracket has an anchor plate for anchoring to a roof that has an end projecting beyond the roof with an aperture, a hook for engaging the aperture and a vertical bracket to which the hook is fastened. The bottom of the vertical bracket has an adjustable horizontal bracket for resting against the side of a house. The top of the vertical bracket supports a stage flooring to which a toe board and hand rail support are attached.
U.S. Pat. No. 2,308,142 issued January 12, 1943 is for a portable scaffold having a vertical member suspended from a roof and having a number of horizontal members extending therefrom.
U.S. Pat. No. 3,158,223 issued November 24, 1964 describes a scaffold support having an elongated element with a straight body portion and a curved portion at the top that ends in means for gripping a roof. The elongated element bottom end has a spacing arm attached thereto and extending laterally therefrom to engage the side of a building.
Scaffolding support elements are also attached to the lower part of the elongated element.
Elements for attaching a guard rail extend from the middle of the elongated member and from the scaffolding support elements.
U.S. Pat. No. 4,957,185 issued September 18, 1990 describes a hanging roof scaffold.
The roof scaffold has a roof cleat and bracket supported therefrom by an angle member that is attached to an upright member. The bottom of the upright member is attached to a horizontal member that supports a plank. The horizontal member also has an extension leg for contacting a wall and a rail support upright mounted on it.
Canadian Pat. No. 2,150,578 issued February 7, 2006 discloses a building roof eave mounting guard structure. The guard structure comprises a roof cleat hingedly connected to an elongated support member for retaining a toe board. The elongated support member has a back rail support member mounted on it for the retention of back rail supports.
U.S. Pat. No. 3,901,481 issued August 26, 1975 is for a safety barricade for a roof that can be used as a safety railing. The barricade includes a series of spaced supports each comprising a tubular support pivotably and lockably connected to a secured plate. Pipes are inserted in the tubular supports and horizontal rails are connected to the pipes.
U.S. Pat. No. 5,113,971 issued May 19, 1992 describes an adjustable roofing jack having a frame for engaging the surface of a roof. An adjustable scaffold support is attached to the frame for supporting a scaffold board of a selected width.
U.S. Pat. No. 3,526,296 issued September 1, 1970 discloses a portable staging.
The portable staging comprises a plurality of inclined braces disposed against a slant roof, the upper end of each brace being hook-shaped for overlying the roof peak and having a pad pivotably connected at the end for securing the brace. Vertical braces are attached to the inclined braces. Horizontal cross braces attached at one end to the tops of the vertical braces and at the other end to the hook end of an associated inclined brace. A
platform is positioned across the parallel cross braces.
SUMMARY OF THE INVENTION
It is an object of the invention to provide for a rafter pin that can be used to support different roofing safety apparatus individually and in combination.
It is a further object of the invention to provide a number of roofing safety apparatus assemblies for use with the rafter pin.
In its simplest embodiment, the invention provides a rafter pin for supporting roofing safety apparatus. The rafter pin has a roof cleat and fastening means for fastening said roof cleat to a roof of a building. An extended end of the roof cleat extends beyond an edge of the roof and has a hinge attached thereto. A vertical pin is connected to and suspended from the hinge and the hinge is pivotable about an axis parallel to the edge of the roof. The vertical pin has a base portion extending downwards from the hinge when the vertical pin is in a vertical operative position and a bottom housing is attached to the bottom of the base portion. The rafter pin has a horizontally adjustable member extensible from the bottom housing towards a vertical exterior surface of the building for engagement of a contact end of the adjustable member thereto such as to pivotally position the vertical pin and means to secure the adjustable member end when the vertical pin is in the vertical operative position whereby the vertical pin can be held fixed in the vertical operative position. The vertical pin has an upper portion directed upwards from the base portion for mounting a roofing safety apparatus component.
The invention further provides the roof cleat being a metal plate that defines openings therethrough for receiving fasteners. More particularly, the metal plate has an upper end opposite and elevated relative to the extended end, and the openings comprise at least two parallel slots extending at a selected angle inwards from a side of the metal plate and upwards to the upper end. It is preferred that the slots be of two alternating lengths such that a plurality of fasteners can be set in a staggered lengthwise pattern.
The invention further provides the bottom housing defining an internally threaded bore having an open end opposed to the vertical exterior surface or side of the building and the adjustable member having a shaft with at least a threaded lengthwise portion correspondingly and externally threaded for fit within the internally threaded-bore such that an installed adjustable member has the threaded lengthwise portion engage the internally threaded bore. The installed adjustable member is mounted for axial travel concentric within the internally threaded bore in direction perpendicular to the vertical exterior surface. A projecting portion of the adjustable member projects from the threaded bore towards the vertical exterior surface of the building. A grip is attached to the adjustable member for rotational movement thereof, whereby the contact end can be moved towards or away from the vertical exterior surface. The contact end of the adjustable member has a foot plate that is rotatable with respect to the adjustable member.
The foot plate can define apertures for receiving fasteners.
Broadly stated, the rafter pin for supporting roofing safety apparatus comprises a metal plate roof cleat and means for fastening it onto the roof of a building, an extended end of the roof cleat extending beyond an edge of the roof and having a hinge attached thereto and the hinge being pivotable about an axis parallel to the edge of the roof. An upper end of the roof cleat is opposite and elevated relative to the extended end. At least two parallel slots for receiving fasteners extend inwards and upwards towards the upper end from a side of the roof cleat plate. A vertical pin is connected to and suspended from the hinge, the vertical pin having a base portion extending downwards from the hinge when the vertical pin is in a vertical operative position and a bottom housing attached to the bottom of the base portion. The bottom housing defines an internally threaded bore having an open end opposed to a vertical exterior surface of a building. The bottom housing has a horizontally adjustable member providing a shaft with at least a threaded segment externally threaded for fittingly mounting the threaded segment within the bore. The adjustable member is mounted within the bore with a projecting portion of the adjustable member projecting from the threaded bore towards the vertical exterior surface of the building. An end of the projecting portion closest to the vertical exterior surface provides a contact end having a foot plate. A grip is attached to the shaft for rotating the adjustable member to result in movement of the contact end relative to the vertical exterior surface, whereby the projecting portion can be extended for engagement of the foot plate against the vertical surface to pivotally position the vertical pin. The vertical pin has an upper portion directed upwards from the base portion for mounting a roofing system safety component.
Another aspect of the invention provides support assembly for a hanging scaffold. The support assembly has the rafter pin as previously set forth and further comprises a collar slidingly installable on the upper portion of the vertical pin and an intermediate member connecting the collar to a downwardly directed front vertical member that is spaced apart from a side of the building when the vertical member is vertically orientated.
The bottom end of the front vertical member is attached to a top surface of a horizontal base member, preferably by an inverted T-joint. The horizontal base member has an extensible adjustment arm extending therefrom towards the side of the building and the adjustment arm has an end distal from the horizontal base member with a bearing foot attached thereto for contacting the side of the building. The support assembly has means for securing the adjustment arm relative to the horizontal base member. The horizontal base member has a back end distal from the side of the building with a back upright extending upwards therefrom. The front vertical member and the back upright are spaced apart such that the horizontal base member can transversely receive a scaffold thereupon. The back upright has a loop attached thereto for receiving and supporting a guard rail running parallel to the edge of the roof. It is also provided that the front vertical member has a hoop attached thereto for receiving and supporting a guard rail running parallel to the edge of the roof. The back end of the base member has an upwardly directed base pin upon which the back upright is removably mountable and means for securing a mounted back upright. The support assembly further provides that the adjustment arm has a plurality of longitudinally spaced arm apertures, the base member has a base aperture for selectively aligning with the arm apertures, and an arm retaining pin is receivable by the base aperture and an aligned arm aperture to secure the adjustment arm whereby an arm aperture can be selected for leveling the base member.
In another aspect, the invention provides a guard rail support for a safety guard rail. The safety guard rail support has the previously disclosed rafter pin and further comprises a guard rail post that is removably mountable upon the vertical pin upper portion and the guard rail post has a hoop attached thereto for receiving and supporting a guard rail running parallel to the edge of the roof. The vertical pin upper portion has an aperture for aligning with a corresponding post aperture in a mounted post to, form aligned apertures. A post retaining pin is receivable by the aligned apertures for securing the post.
In yet another aspect the invention provides a roof jack for supporting a plank. The roof jack has the rafter pin as previously set forth and further comprises a jack bar collar rotatably attached to a collar end of a jack bar and slidingly installable on the vertical pin upper portion. The jack bar is disposed against the sloped roof above the rafter pin and secured by the collar. The roof jack has means to install and attach a generally triangular brace to a top surface of the jack bar, and an installed triangular brace has an approximately horizontal top support member. The top support member has an upper surface for receiving and supporting a plank. The roof jack further provides that the triangular brace and the jack bar have alignable corresponding apertures for receiving a triangular brace retaining pin for securing the triangular brace to the jack bar.
It is further provided the roof jack has a hollow receiving end opposite to the collar end and higher in elevation when installed. A stanchion bar has a narrow end portion for mounting within the hollow receiving end. The stanchion bar is disposed against the top of the roof and received by the hollow receiving end of the jack bar. The roofjack has means to attach and install a generally triangular brace to a top surface of the stanchion bar and an installed triangular brace has a top support member with an approximately horizontal upper surface for transversely receiving and supporting a plank thereupon.
In still yet another aspect, the invention provides a skid (or pallet) platform support for an inclined roof. The skid platform support has the rafter pin previously disclosed and further comprises a platform post that is removably mountable upon the vertical pin upper portion and has a platform post hoop attached to a top end thereof for receiving a horizontal rafter. The horizontal rafter runs perpendicular to the edge of the roof and extends from the platform post hoop towards the top surface of the roof. The skid platform has a roof plate that has a hoop base attached thereupon, a rafter hoop attached to the hoop base and a means for selectively attaching the roof plate to the roof to align the rafter hoop with the platform post hoop for receiving the horizontal rafter such that the horizontal rafter can be received and supported by both the platform post hoop and the rafter hoop. The horizontal rafter has a top surface for supporting a skid.. As is obvious, the skid platform support is not limited to supporting skids (or pallets) and could be used to support other things. The invention further provides the roof plate is a longitudinal roof cleat that has a roof cleat higher end and that at least two parallel slots for receiving fasteners and that extend inwards and upwards towards the roof cleat higher end from a side of the longitudinal roof cleat.
The present invention embodies a roofing safety system that has the disclosed rafter pin and that further comprises the support assembly for a hanging scaffold installed in combination with the guard rail support for a safety guard rail.
The present invention also embodies a roofing safety system having the disclosed rafter pin and that further comprises the support assembly for a hanging scaffold installed in combination with the roof jack for supporting a plank.
The present invention also embodies a roofing safety system having the disclosed rafter pin and further comprising the guard rail support for a safety guard rail installed in combination with the roof jack for supporting a plank.
BRIEF DESCRIPTION OF THE DRAWINGS
Preferred embodiments of the present invention will now be described by way of example only, having reference to the accompanying drawings in which:
FIG. 1 is an isometric view of a rafter pin being installed;
FIG. 1A is an isometric view of an installed rafter pin;
FIG. 2 is an isometric view of the support assembly for a hanging scaffold;
FIG. 3 is an isometric view of a pair of installed guard rail supports with safety guard rail extending between them;
FIG. 4 is an isometric view showing a combination of installed hanging scaffold support assemblies and guard rail supports;
FIG. 5 is an isometric view of a roof plate with a hoop base and a rafter hoop;
FIG. 6 is an isometric view of a skid platform support; and FIG. 7 is a side elevation view of the roofjack for supporting a plank.
DESCRIPTION OF THE PREFERRED EMBODIMENT
FIGS. 1 and 1A show an embodiment of rafter pin 10 for supporting roofing safety apparatus. The rafter pin has roof cleat 12 and fastening means for fastening said roof cleat to roof 11 of a building. An extended end 14 of the roof cleat extends beyond edge 20 of the roof and has hinge 16 attached thereto. Vertical pin 18 is connected to and suspended from hinge 16 which is pivotable about an axis parallel to edge 20 of the roof.
Vertical pin 18 has base portion 22 extending downwards from hinge 16 when the vertical pin is in a vertical operative position (FIG. 2) and bottom housing 24 is attached to the bottom of base portion 22. The rafter pin has horizontally adjustable member 26 extensible from bottom housing 24 towards vertical exterior surface 28 of the building for engagement of contact end 30 of adjustable member 26 thereto such as to pivotally position vertical pin 18. In general terms, the invention includes means to secure adjustable member 26 when vertical pin 18 is in the vertical operative position whereby vertical pin 18 can be held fixed in the vertical operative position. The vertical pin has upper portion 32 directed upwards from base portion 22 for mounting a roofing safety apparatus component. Upper portion 32 extends above the level of edge 20.
It is preferable that roof cleat 12 comprises a metal plate that has openings therethrough for receiving fasteners. More particularly, the metal plate has upper end 36 opposite and elevated relative to extended end 14, and the openings comprise at least two parallel slots 34 extending inwards from a side of the metal plate and upwards to upper end 36. It is envisioned that rafter pin 10 will be used on roofs that slope at different angles and possibly with some flat roofs. It is preferred that roof cleat 12 be installed above a roof rafter. The slots 34 are of two alternating lengths such that a plurality of fasteners 38 can be set in a staggered lengthwise pattern. The fasteners could possibly be nails, screws or spikes.
Rafter pin 10 is installed from the bottom before the worker has to go on roof 11, unlike some prior art safety systems that require a worker to go to the peak of roof 11 for installation.
The invention further includes the bottom housing defining internally threaded bore 40 having an open end (not shown) opposed to vertical exterior surface 28 of the building and adjustable member 26 having shaft 42 with at least a threaded lengthwise portion correspondingly and externally threaded for fit within internally threaded bore 40 such that installed adjustable member 26 has the threaded lengthwise portion engage internally threaded bore 40. Installed adjustable member 26 is mounted for axial travel concentric within internally threaded bore 40 in a direction perpendicular to vertical exterior surface 28. A projecting portion of adjustable member 26 projects from threaded bore towards vertical exterior surface 28 and ends with contact end 30. Adjustable member 26 can be rotated using attached grip 44, whereby contact end 30 can be moved towards or away from vertical exterior surface 28. Contact end 30 of adjustable member 26 has foot plate 46 that preferably is rotatable and pivotable with respect to adjustable member 26. Foot plate 46 can define foot apertures 48 for receiving fasteners. Foot apertures 48 are preferably 1/8 of an inch in diameter.
In the illustrated embodiment, the means to secure adjustable member 26 comprise the engaging threads of threaded base 40 and the threaded lengthwise portions of shaft 42. It is possible for adjustable member 26 to have something other than a threaded shaft and for the means to secure to vary. In its preferred embodiment, the dimensions of rafter pin 10 allow it to be installed at the edge 20 of some roofs that have eaves troughs, but the dimensions can vary.
Different roofing safety apparatus that can be installed on rafter pin 10 will now be described.
Making reference to FIG. 2, the invention includes support assembly 50 for a hanging scaffold. The support assembly has rafter pin 10 as previously set forth and further comprises collar 52 slidingly installable on upper portion 32 of vertical pin 18.
Intermediate member 53 connects collar 52 to downwardly directed front vertical member 54 that is spaced apart from side 55 of the building with bottom end 56 of front vertical member 54 being attached to a top surface of horizontal base member 58 by an inverted T-joint. Horizontal base member 58 has extensible adjustment arm 60 extending therefrom towards vertical exterior surface 28 or the side of the building and adjustment arm 60 has an end distal from the horizontal base member with bearing foot 62 attached thereto for contacting the side of the building. Support assembly 50 has means for securing adjustment arm 60 relative to horizontal base member 58. Horizontal base member 58 has a back end distal from vertical exterior surface 28 with back upright 64 extending upwards therefrom. Back upright 64 has loop 68 attached thereto for receiving and supporting a guard rail (not shown) running parallel to edge 20 of roof 10. The back end of base member 58 has upwardly directed base pin 72 upon which back upright 64 is removably mountable and means for securing a mounted back upright. Front vertical member 54 and back upright 64 are spaced apart such that base member 58 can transversely receive scaffold 66 thereupon. It is also provided that the front vertical member has hoop 68 attached thereto for receiving and supporting a guard rail 70 running parallel to edge 20 of the roof.
Support assembly 50 further provides that adjustment arm 60 has a plurality of equidistant longitudinally spaced arm apertures 74, the base member has a base aperture (not shown) for selectively aligning with arm apertures 74, and arm retaining pin 76 is receivable by base aperture 74 and an aligned arm aperture to secure adjustment arm 60.
An aperture 74 can be selected for leveling base member 58.
Making reference to FIG. 3, the invention includes guard rail support 80 for safety guard rail 70. Safety guard rail support 80 has previously disclosed rafter pin 10 and further comprises guard rail post 82 that is removably mountable upon vertical pin upper portion 32. Guard rail post 82 has hoop 68 attached thereto for receiving and supporting guard rail 70 running parallel to edge 20 of the roof. Guard rail support 80 also provides that vertical pin upper portion 32 has an aperture (not shown) for aligning with corresponding post aperture 84 in mounted post 82 to form a pair of aligned apertures. Post retaining pin 86 is received by the aligned apertures to secure post 82.
Making reference to FIG. 7, the invention includes roofjack 90 for supporting plank 92 on an inclined roof. Roof jack 90 has rafter pin 10 as previously set forth and further comprises jack bar collar 94 rotatably attached to a collar end ofjack bar 96.
Collar 94 is slidingly installable on vertical pin upper portion 32. Jack bar 96 is disposed against inclined roof 11 above rafter pin 10 and secured by collar 94, such that the end of jack bar 96 opposite to the collar end is elevated. Roof jack 90 has means to install and attach generally triangular brace 98 to a top surface ofjack bar 96, and installed triangular brace 98 has approximately horizontal top support member 100. Top support member 100 has an upper surface for receiving and supporting plank 92. It is preferred that triangular brace 98 and jack bar 96 have alignable corresponding apertures for receiving a retaining pin for triangular brace 98 for securing triangular brace 98 to jack bar 96.
Roof jack 90 has a hollow receiving end 102 opposite to the collar end and higher in elevation when installed. Stanchion bar 104 has narrow end portion 106 for mounting within hollow receiving end 102. An installed stanchion bar 104 is disposed against the top of roof 11 relatively closer to the peak and received by hollow receiving end 102 of the jack bar. Roof jack 90 has means to attach and install triangular brace 98 to top surface of stanchion bar 104 and installed triangular brace 98 has top support member 100 with approximately horizontal upper surface for transversely receiving and supporting plank 92 thereupon.
Making reference to FIGS. 5 and 6, the invention includes skid platform support 110 for inclined roof 11. Skid platform support 110 has rafter pin 10 previously disclosed and further comprises platform post 112 that is removably mountable upon vertical pin upper portion 32 and has platform post hoop 114 attached to a top end thereof for receiving horizontal rafter 116. Horizontal rafter 116 runs perpendicular to edge 20 of the roof and extends horizontally from platform post hoop 114 towards a top surface of roof 11. Skid platform support 110 has roof plate 118 that has hoop base 120 attached thereupon, rafter hoop 122 attached to hoop base 120 and means for attaching roof plate 118 to roof 11 whereby rafter hoop 122 is aligned with platform post hoop 114 for receiving horizontal rafter 116. Horizontal rafter 116 has a top surface for supporting a skid (not shown) or some other suitable platform.
The invention further provides roof plate 118 is a longitudinal roof cleat 12 that has roof cleat higher end 124 and that at least two parallel slots 34 for receiving fasteners and that extend inwards and upwards towards roof cleat higher end 124 from a side of longitudinal roof cleat 12. It is preferred that installed longitudinal roof cleat 12 be located above a rafter. An alternative embodiment is to replace roof plate 118 with a base or plate that could attach to the top ofjack bar 96 or stanchion bar 104.
In the illustrated embodiment of the invention, upper portion 32 of rafter pin 10 has a constant diameter that allows for it to receive collar 52 of support assembly 50, jack bar collar 94, mountable guard rail post 82 and platform post 112 either individually or in combination. It would also be possible for upper portion 32 to be narrower at the top and still receive more than one component.
As seen in FIG. 4, the present invention also embodies a roofing safety system that has disclosed rafter pin 10 and that further comprises support assembly 50 for a hanging scaffold installed in combination with guard rail support 80 for safety guard rail 70.
The present invention further embodies a roofing safety system having disclosed rafter pin 10 and that further comprises support assembly 50 for a hanging scaffold'installed in combination with roof jack 90 for supporting plank 92. Another possibility is a roofing safety system having rafter pin 10 and guard rail support 80 for safety guard rai170 installed in combination with roof jack 90 for supporting plank 92.
It will be understood, of course, that modifications can be made in the embodiment of the invention described herein without departing from the scope and purview of the invention as defined by the appended claims.
Claims (21)
1. A rafter pin for supporting roofing safety apparatus, said rafter pin comprising:
a roof cleat, fastening means for fastening said roof cleat to a roof of a building, an extended end of said roof cleat extending beyond an edge of said roof and having a hinge attached thereto, a vertical pin connected to and suspended from said hinge, said hinge pivotable about an axis parallel to said edge of said roof, said vertical pin having a base portion extending downwards from said hinge when said vertical pin is in a vertical operative position, a bottom housing attached to the bottom of said base portion, said rafter pin having a horizontally adjustable member extensible from said bottom housing towards a vertical exterior surface of said building for engagement of a contact end of said adjustable member thereto such as to pivotally position said vertical pin, means to secure said adjustable member when said vertical pin is in said vertical operative position whereby said vertical can be held fixed in said vertical operative position, and said vertical pin having an upper portion directed upwards from said base portion for mounting a roofing safety apparatus component.
a roof cleat, fastening means for fastening said roof cleat to a roof of a building, an extended end of said roof cleat extending beyond an edge of said roof and having a hinge attached thereto, a vertical pin connected to and suspended from said hinge, said hinge pivotable about an axis parallel to said edge of said roof, said vertical pin having a base portion extending downwards from said hinge when said vertical pin is in a vertical operative position, a bottom housing attached to the bottom of said base portion, said rafter pin having a horizontally adjustable member extensible from said bottom housing towards a vertical exterior surface of said building for engagement of a contact end of said adjustable member thereto such as to pivotally position said vertical pin, means to secure said adjustable member when said vertical pin is in said vertical operative position whereby said vertical can be held fixed in said vertical operative position, and said vertical pin having an upper portion directed upwards from said base portion for mounting a roofing safety apparatus component.
2. The rafter pin of claim 1 in which said roof cleat comprises a metal plate defining openings therethrough for receiving fasteners.
3. The rafter pin of claim 2 in which said metal plate has an upper end opposite and elevated relative to said extended end, said openings comprise at least two parallel slots extending at a selected angle inwards from a side of said metal plate and upwards to said upper end, and said slots being of two alternating lengths such that a plurality of fasteners can be set in a staggered lengthwise pattern.
4. The rafter pin of claim 1 further comprising, said bottom housing defining an internally threaded bore having an open end opposed to said vertical exterior surface of said building, said adjustable member having a shaft with at least a threaded lengthwise portion correspondingly and externally threaded for fit within said internally threaded bore, an installed adjustable member having said threaded lengthwise portion engage said internally threaded bore, said installed adjustable member mounted for axial travel concentric within said internally threaded bore directionally perpendicular to said vertical exterior surface, a projecting portion of said adjustable member projecting from said threaded bore towards said vertical exterior surface of said building, and a grip attached to said adjustable member for rotational movement thereof, whereby said contact end can be moved towards or away from said vertical exterior surface.
5. The rafter pin of claim 4 in which said contact end of said adjustable member has a foot plate that is rotatable with respect to said adjustable member.
6. A rafter pin for supporting roofing safety apparatus, said rafter pin comprising:
a metal plate roof cleat and means for fastening it onto the roof of a building, an extended end of said roof cleat extending beyond an edge of said roof and having a hinge attached thereto, said hinge pivotable about an axis parallel to said edge of said roof, an upper end of said roof cleat opposite and elevated relative to said extended end, at least two parallel slots for receiving fasteners extending inwards and upwards towards said upper end from a side of said roof cleat plate, a vertical pin connected to and suspended from said hinge, said vertical pin having a base portion extending downwards from said hinge when said vertical pin is in a vertical operative position, a bottom housing attached to the bottom of said base portion, said bottom housing defining an internally threaded bore having an open end opposed to a vertical exterior surface of a building, said bottom housing having a horizontally adjustable member providing a shaft with at least a threaded segment externally threaded for fittingly mounting said threaded segment within said bore, said adjustable member being mounted within said bore with a projecting portion of said adjustable member projecting from said threaded bore towards said vertical exterior surface of said building, an end of said projecting portion closest to the vertical exterior surface providing a contact end having a foot plate, a grip attached to said shaft for rotating said adjustable member for movement of said contact end relative to said vertical exterior surface, whereby said projecting portion can be extended for engagement of said foot plate against said vertical surface to pivotally position said vertical pin, and said vertical pin having an upper portion directed upwards from said base portion for mounting a roofing system safety component.
a metal plate roof cleat and means for fastening it onto the roof of a building, an extended end of said roof cleat extending beyond an edge of said roof and having a hinge attached thereto, said hinge pivotable about an axis parallel to said edge of said roof, an upper end of said roof cleat opposite and elevated relative to said extended end, at least two parallel slots for receiving fasteners extending inwards and upwards towards said upper end from a side of said roof cleat plate, a vertical pin connected to and suspended from said hinge, said vertical pin having a base portion extending downwards from said hinge when said vertical pin is in a vertical operative position, a bottom housing attached to the bottom of said base portion, said bottom housing defining an internally threaded bore having an open end opposed to a vertical exterior surface of a building, said bottom housing having a horizontally adjustable member providing a shaft with at least a threaded segment externally threaded for fittingly mounting said threaded segment within said bore, said adjustable member being mounted within said bore with a projecting portion of said adjustable member projecting from said threaded bore towards said vertical exterior surface of said building, an end of said projecting portion closest to the vertical exterior surface providing a contact end having a foot plate, a grip attached to said shaft for rotating said adjustable member for movement of said contact end relative to said vertical exterior surface, whereby said projecting portion can be extended for engagement of said foot plate against said vertical surface to pivotally position said vertical pin, and said vertical pin having an upper portion directed upwards from said base portion for mounting a roofing system safety component.
7. A support assembly for a hanging scaffold, said support assembly having the rafter pin as set forth in claim 6 and further comprising:
a collar slidingly installable on said upper portion of said vertical pin, an intermediate member connecting said collar to a downwardly directed front vertical member that is spaced apart from a side of said building when vertically orientated, the bottom end of said front vertical member being attached to a top surface of a horizontal base member, said horizontal base member having an extensible adjustment arm extending therefrom towards said side of said building, said adjustment arm having an end distal from said horizontal base member with a bearing foot attached thereto for contacting said side of said building, means for securing said adjustment arm relative to said horizontal base member, said horizontal base member having a back end distal from said side of said building with a back upright extending upwards therefrom, said front vertical member and said back upright being spaced apart such that said horizontal base member can transversely receive a scaffold thereupon, and said back upright having a loop attached thereto for receiving and supporting a guard rail running parallel to said edge of said roof.
a collar slidingly installable on said upper portion of said vertical pin, an intermediate member connecting said collar to a downwardly directed front vertical member that is spaced apart from a side of said building when vertically orientated, the bottom end of said front vertical member being attached to a top surface of a horizontal base member, said horizontal base member having an extensible adjustment arm extending therefrom towards said side of said building, said adjustment arm having an end distal from said horizontal base member with a bearing foot attached thereto for contacting said side of said building, means for securing said adjustment arm relative to said horizontal base member, said horizontal base member having a back end distal from said side of said building with a back upright extending upwards therefrom, said front vertical member and said back upright being spaced apart such that said horizontal base member can transversely receive a scaffold thereupon, and said back upright having a loop attached thereto for receiving and supporting a guard rail running parallel to said edge of said roof.
8. The support assembly of claim 7 wherein said front vertical member has a hoop attached thereto for receiving and supporting a guard rail running parallel to said edge of said roof.
9. The support assembly of claim 7 further comprising said back end of said base member having an upwardly directed base pin upon which said back upright is removably mountable and means for securing a mounted back upright.
10. The support assembly of claim 7 further comprising said adjustment arm having a plurality of longitudinally spaced arm apertures, said base member having a base aperture for selectively aligning with said arm apertures, an arm retaining pin that is receivable by said base aperture and an aligned arm aperture to secure said adjustment arm whereby an arm aperture can be selected for leveling said base member.
11. A guard rail support for a safety guard rail, said safety guard rail support having the rafter pin as set forth in claim 6 and further comprising:
a guard rail post that is removably mountable upon said vertical pin upper portion, and said guard rail post having a hoop attached thereto for receiving and supporting a guard rail running parallel to said edge of said roof.
a guard rail post that is removably mountable upon said vertical pin upper portion, and said guard rail post having a hoop attached thereto for receiving and supporting a guard rail running parallel to said edge of said roof.
12. The guard rail support of claim 11 further comprising said vertical pin upper portion having an aperture for aligning with a corresponding post aperture in a mounted post to form aligned apertures, and a post retaining pin receivable by said aligned apertures for securing said post.
13. A roof jack for supporting a plank, said roof jack having the rafter pin as set forth in claim 6 and further comprising:
a jack bar collar rotatably attached to a collar end of a jack bar and slidingly installable on said vertical pin upper portion, said jack bar being secured by said collard and disposed against said roof above said rafter pin, means to install and attach a triangular brace to a top surface of said jack bar, an installed triangular brace having a top support member, said top support member having an upper surface for receiving and supporting a plank.
a jack bar collar rotatably attached to a collar end of a jack bar and slidingly installable on said vertical pin upper portion, said jack bar being secured by said collard and disposed against said roof above said rafter pin, means to install and attach a triangular brace to a top surface of said jack bar, an installed triangular brace having a top support member, said top support member having an upper surface for receiving and supporting a plank.
14. The roofjack of claim 13 in which said triangular brace and said jack bar have alignable corresponding apertures for receiving a triangular brace retaining pin for securing said triangular brace to said jack bar.
15. The roofjack of claim 13 further comprising said jack bar having a hollow receiving end opposite to said collar end, a stanchion bar having a narrow end portion for mounting within said hollow receiving end, said stanchion bar being disposed against said top of said roof and received by said hollow receiving end of said jack bar, means to attach and install a triangular brace to a top surface of said stanchion bar, and an installed triangular brace having a top support member with an upper surface for transversely receiving and supporting a plank thereupon.
16. A skid platform support for an inclined roof, said skid platform support having the rafter pin of claim 6 and further comprising:
a platform post removably mountable upon said vertical pin upper portion and having a platform post hoop attached to a top end thereof for receiving a horizontal rafter, said horizontal rafter running perpendicular to said edge of said roof and extending from said platform post hoop towards a top surface of said roof;
said skid platform support also having a roof plate having a hoop base attached thereupon, a rafter hoop attached to said hoop base, a means for selectively attaching said roof plate to said roof to align said rafter hoop with said platform post hoop for receiving said horizontal rafter, said horizontal rafter being received and supported by said platform post hoop and said rafter hoop, and said horizontal rafter having a top surface for supporting a skid.
a platform post removably mountable upon said vertical pin upper portion and having a platform post hoop attached to a top end thereof for receiving a horizontal rafter, said horizontal rafter running perpendicular to said edge of said roof and extending from said platform post hoop towards a top surface of said roof;
said skid platform support also having a roof plate having a hoop base attached thereupon, a rafter hoop attached to said hoop base, a means for selectively attaching said roof plate to said roof to align said rafter hoop with said platform post hoop for receiving said horizontal rafter, said horizontal rafter being received and supported by said platform post hoop and said rafter hoop, and said horizontal rafter having a top surface for supporting a skid.
17. The skid platform support of claim 16 wherein said roof plate is a longitudinal roof cleat having a roof cleat higher end, and at least two parallel slots for receiving fasteners extend inwards and upwards towards said roof cleat higher end from a side of said longitudinal roof cleat.
18. A roofing safety system having the rafter pin of claim 6 and further comprising:
the support assembly for a hanging scaffold of claim 7 installed in combination with the guard rail support for a safety guard rail of claim 11.
the support assembly for a hanging scaffold of claim 7 installed in combination with the guard rail support for a safety guard rail of claim 11.
19. A roofing safety system having the rafter pin of claim 6 and further comprising:
the support assembly for a hanging scaffold of claim 7 installed in combination with the roofjack for supporting a plank of claim 13.
the support assembly for a hanging scaffold of claim 7 installed in combination with the roofjack for supporting a plank of claim 13.
20. A roofing safety system having the rafter pin of claim 6 and further comprising:
the guard rail support for a safety guard rail of claim 11 installed in combination with the roofjack for supporting a plank of claim 13.
the guard rail support for a safety guard rail of claim 11 installed in combination with the roofjack for supporting a plank of claim 13.
21. The rafter pin of claim 5 in which said foot plate defines apertures for receiving fasteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002635557A CA2635557A1 (en) | 2008-06-23 | 2008-06-23 | Roofing safety rail system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002635557A CA2635557A1 (en) | 2008-06-23 | 2008-06-23 | Roofing safety rail system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2635557A1 true CA2635557A1 (en) | 2009-12-23 |
Family
ID=41449612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002635557A Abandoned CA2635557A1 (en) | 2008-06-23 | 2008-06-23 | Roofing safety rail system |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2635557A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014167015A1 (en) * | 2013-04-12 | 2014-10-16 | Peri Gmbh | Lattice girder for a weather protection roof, and weather protection roof having multiple lattice girders |
| US9140022B2 (en) | 2012-07-30 | 2015-09-22 | Eric Gilles Gilbert-Williams | Safety guard rail |
| CN113123589A (en) * | 2021-04-16 | 2021-07-16 | 中国建筑第八工程局有限公司 | Climbing frame attachment support at outer wall cantilever plate |
-
2008
- 2008-06-23 CA CA002635557A patent/CA2635557A1/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9140022B2 (en) | 2012-07-30 | 2015-09-22 | Eric Gilles Gilbert-Williams | Safety guard rail |
| WO2014167015A1 (en) * | 2013-04-12 | 2014-10-16 | Peri Gmbh | Lattice girder for a weather protection roof, and weather protection roof having multiple lattice girders |
| CN113123589A (en) * | 2021-04-16 | 2021-07-16 | 中国建筑第八工程局有限公司 | Climbing frame attachment support at outer wall cantilever plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |