US20070228351A1 - Modular stackable fence apparatus - Google Patents
Modular stackable fence apparatus Download PDFInfo
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- US20070228351A1 US20070228351A1 US11/746,791 US74679107A US2007228351A1 US 20070228351 A1 US20070228351 A1 US 20070228351A1 US 74679107 A US74679107 A US 74679107A US 2007228351 A1 US2007228351 A1 US 2007228351A1
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- United States
- Prior art keywords
- fence
- horizontal member
- fence module
- vertical member
- module
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K3/00—Pasturing equipment, e.g. tethering devices; Grids for preventing cattle from straying; Electrified wire fencing
- A01K3/001—Portable, temporary, and collapsible fencing for pastures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
- E04H17/18—Corrals, i.e. easily transportable or demountable enclosures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1447—Details of connections between rails and posts
- E04H17/1452—Details of connections between rails and posts the ends of the rails are fixed on the lateral sides of the posts
Definitions
- the invention relates to fence structures formed from modular assemblies and more particularly to modular fence assemblies that can be stacked for transport.
- perimeter fence structures around installations such as an oilfield drilling site or wellhead.
- the perimeter fence must effectively prevent animal encroachment, particularly by cattle, as many of these installations are found on agricultural range land.
- Cattle are known to rub against conventional fencing, such as wire or wire mesh panels having vertical posts. Over time, the constant rubbing results in damage and disruption of the integrity of the fence.
- modular fence structures are typically moved from site to site such as when drilling ends or wells no longer produce.
- the perimeter fence structures are modular and are easily transported in conventional pickup trucks or on towed trailers.
- Onsite access to the enclosed installation may be required by large equipment such as service rigs. It is advantageous if the fence assemblies are readily connected and disconnected from each other to provide access when required.
- U.S. Pat. No. 5,533,714 to St. John teaches a modular fence apparatus for use in constructing a perimeter fence to prevent entry of animals and cattle into the fenced area.
- the fence apparatus comprises flat panels with span members.
- the flat panels are connected to discrete corner assemblies that are angled so as to set each panel at an angle.
- the panels are angled inward along a top edge.
- the corner assemblies have span members connected between frame members to form triangular angled corner panels. While the flat panels are easily stacked for transport, the corner assemblies, which comprise three upright posts, 2 angled top members and the span members, are awkward and not readily stacked.
- Each flat panel must be connected at each end to a corner assembly using fasteners when the perimeter is assembled and similarly, fasteners must be removed to gain access for large equipment or for disassembly. If the perimeter fence is required to be other than rectangular, separate corner assemblies would be required having various preset angles.
- Canadian patent 1,091,968 to Hillman teaches a perimeter fence having generally vertically disposed rigid post members which have a lower portion that engages the ground and an upper, inwardly inclined portion to which the rails are attached. At least one of the rails is disposed at the height of the average bovine knee to prevent leaning or rubbing. Rails, extending at right angles to the corner posts, are welded or otherwise fastened to the corner posts. The rails are split mid-span and connected by welding, by removable fasteners or the like. Clearly, assembly on site requires significant time and effort. If formed as modules having the rails pre-welded to the corner posts, each module is relatively large and cumbersome. Transport of the modules would be awkward and the number of modules that could be transported at any one time may be limited. As with the perimeter fence of St. John, changes in the shape of the fence would require welding the rails to the corner posts at a variety of angles, necessitating on-site assembly or stocking of a number of different modules.
- a modular fence assembly that can be readily stacked for transport in a truck bed.
- the modules should require a minimum of assembly on site and allow for forming a perimeter fence of whatever shape is required for each unique location.
- the fence should be easily opened for access to large equipment such as a service rig.
- a fence module for forming a perimeter fence has two end assemblies connected by span members.
- the end assemblies comprise a vertical member connected at a lower end to a first end of a horizontal member and an angle arm connected between an upper end of the vertical member and a second end of the horizontal member.
- the angle arm is connected to a side edge of the vertical and horizontal members to permit sufficient space to allow successive fence modules to be stacked for transport and storage.
- a spacer means is positioned between the angle arm and the vertical and horizontal members to provide additional tolerance resulting in the ability to stack large numbers of fence modules without restriction.
- Attachments means are spaced along the vertical members of the end assemblies.
- the loops on a second end support of a first fence module are spaced to co-operate with the loops on a first end support of a subsequent fence module to permit vertical alignment of the loops to allow passage of a pin therethrough.
- the fence modules are pivotally attached to one another and rotation about the pin allows the fence modules to be arranged at infinite angles permitting forming perimeter fences having a number of polygonal shapes.
- FIG. 1 a is a perspective view of one embodiment of a fence module of the present invention assembled into a rectangular perimeter fence;
- FIG. 1 b is a perspective view of one embodiment of a fence module of the present invention assembled into a triangular perimeter fence;
- FIG. 2 a is a partial side view of a fence module according to FIG. 1 a
- FIG. 2 b is a close up view of the detail of the connection between a right angle corner brace and an angle arm according to FIG. 2 a;
- FIG. 3 is a partial perspective view of a first fence module pivotally attached to a subsequent fence module illustrating the attachment detail
- FIGS. 4 a - c are front schematic views of a plurality of fence modules according to FIG. 1 a, illustrating the stackability of the modules, more particularly, FIG. 4 a is a plurality of modules prior to stacking, FIGS. 4 b and FIG. 4 c illustrate the relationship between modules as the modules are stacked; and
- FIGS. 5 a - b are side schematic views of a plurality of fence modules according to FIG. 1 a, more particularly, FIG. 5 a is a plurality of modules prior to stacking and FIG. 5 b illustrates the relationship between successive right angle corner braces and angle arms as the modules are stacked.
- FIG. 1 a a perimeter fence 1 , formed using unitary stackable fence modules 2 of one embodiment of the present invention, is shown.
- each fence module 2 comprises two delimiting end supports 3 spaced by a plurality of span members 4 attached therebetween.
- Each end support 3 has a substantially vertical member 5 , a horizontal member 6 connected at a first end 7 to a lower end 8 of the substantially vertical member 5 and an angle arm 9 connected between an upper end 10 of the substantially vertical member 5 and a second end 11 of the horizontal member 6 .
- the end supports 3 act as braces to support the span members 4 .
- the span members 4 are connected at each end to the angle arms 9 creating an upwardly and inwardly inclined fence module 2 , suitable for preventing intrusion and damage by animals and livestock.
- the span members 4 are spaced so as to have at least one span member 4 positioned at about the height of the average bovine knee and at lest one span member positioned at about the height of the chest. In this way, livestock are discouraged from attempting to step over the fence 1 and, because of the inward incline, are not inclined to lean or rub against the span members 4 .
- FIGS. 1 a - b and 3 when a first fence module 20 is attached to a subsequent fence module 21 , the adjacent end supports 3 act to form a corner 22 .
- the perimeter fence 1 is shown having a square shape ( FIG. 1 a ), however, it will be appreciated by those skilled in the art that adjacent modules 20 , 21 can be pivoted at the corner 22 and the perimeter fence 1 can be formed in any number of polygonal shapes using three or more fence modules 2 ( FIGS. 1 a - b ).
- the angle arm 9 is connected to the vertical member and to the horizontal member at inside side edges 12 , 13 adjacent the span members 4 .
- This arrangement of vertical members 5 , horizontal members 6 and angle arms 9 permits stacking of a plurality of fence modules 2 .
- a spacer means 14 is positioned between both the substantially vertical member 5 and the horizontal member 6 , and the angle arm 9 at points of connection 15 to provide additional dimensional tolerance, permitting a large number of substantially identical modules 2 to be stacked without restriction.
- attachment means such as and preferably loops 16 , are attached to each substantially vertical member 5 to permit pivotal attachment of the first module 20 to the subsequent module 21 .
- the loops 16 on each of the first and subsequent module are positioned to be aligned vertically to accept a pin 17 to be passed therethrough.
- the modules 20 , 21 can be rotated about the pin 17 to form a corner 22 having an infinitely variable angle for forming different shaped perimeter fences 1 .
- Pins 17 used to attach subsequent modules 20 , 21 can be of sufficient length to permit penetration into the ground to more securely affix the perimeter fence 1 thereto. While some freezing of the pin 17 into the ground may occur with low ambient temperatures, difficult removal of the pin 17 would result in damage to the pin 17 only and not to the fence modules 2 . This is a significant improvement over prior art fence modules where the leg of the module is inserted into the ground resulting in a need to repair the fence module should damage occur when removing the leg from frozen ground.
- each fence module 2 has a first end support 3 , 23 and a second end support 3 , 24 .
- the second end support 3 , 24 of the first module 20 has loops 16 spaced to co-operate with loops 16 on the first end support 3 , 23 of the subsequent fence module 21 .
- the end supports 3 , 23 , 24 and the span members 4 are formed of tubular steel which are welded to form each fence module 2 .
- At least one fence module 2 is formed having a man-door or gate 30 , intermediate the span members 4 , to permit access by personnel at the site.
- a pair of support posts 31 are positioned intermediate the span members 4 and extend from a top span member 32 to the ground and at an identical angle to that of the angle arms 9 .
- a horizontal base member 33 extends between the support posts 31 at a lower end 34 of each of the support posts 31 .
- the gate 30 is connected to one of the support posts 31 by two or more hinges 33 .
Abstract
A unitary stackable fence module having end assemblies and span members is provided for forming a perimeter fence having an inwardly inclined profile. A right angle end support has vertical and horizontal members and an angle arm, spaced from and attached to a side edge of the vertical and horizontal members adjacent the span members. The unique arrangement permits a plurality of fence modules to be stacked for transport or storage. Loops formed on the vertical members permit pivotal pinning of fence modules together to form perimeter fences of any polygonal shape.
Description
- This application is a continuation application of: U.S. patent application Ser. No. 10/773250, filed Feb. 9, 2004, the entirety of which is incorporated herein by reference.
- The invention relates to fence structures formed from modular assemblies and more particularly to modular fence assemblies that can be stacked for transport.
- It is known to provide perimeter fence structures around installations such as an oilfield drilling site or wellhead. The perimeter fence must effectively prevent animal encroachment, particularly by cattle, as many of these installations are found on agricultural range land.
- Cattle are known to rub against conventional fencing, such as wire or wire mesh panels having vertical posts. Over time, the constant rubbing results in damage and disruption of the integrity of the fence.
- Further, modular fence structures are typically moved from site to site such as when drilling ends or wells no longer produce. Thus, it is of some considerable importance that the perimeter fence structures are modular and are easily transported in conventional pickup trucks or on towed trailers. Onsite, access to the enclosed installation may be required by large equipment such as service rigs. It is advantageous if the fence assemblies are readily connected and disconnected from each other to provide access when required.
- As many drilling sites are located in areas which are subject to below-freezing ambient temperatures, it is also important that the modular assemblies used to create the perimeter fence are not secured to the ground in such a fashion that the fastenings become frozen into the ground. Removal of frozen fastenings often results in damage to both the fastenings and to the fence assemblies.
- U.S. Pat. No. 5,533,714 to St. John teaches a modular fence apparatus for use in constructing a perimeter fence to prevent entry of animals and cattle into the fenced area. The fence apparatus comprises flat panels with span members. The flat panels are connected to discrete corner assemblies that are angled so as to set each panel at an angle. The panels are angled inward along a top edge. Further, the corner assemblies have span members connected between frame members to form triangular angled corner panels. While the flat panels are easily stacked for transport, the corner assemblies, which comprise three upright posts, 2 angled top members and the span members, are awkward and not readily stacked. Each flat panel must be connected at each end to a corner assembly using fasteners when the perimeter is assembled and similarly, fasteners must be removed to gain access for large equipment or for disassembly. If the perimeter fence is required to be other than rectangular, separate corner assemblies would be required having various preset angles.
- Canadian patent 1,091,968 to Hillman teaches a perimeter fence having generally vertically disposed rigid post members which have a lower portion that engages the ground and an upper, inwardly inclined portion to which the rails are attached. At least one of the rails is disposed at the height of the average bovine knee to prevent leaning or rubbing. Rails, extending at right angles to the corner posts, are welded or otherwise fastened to the corner posts. The rails are split mid-span and connected by welding, by removable fasteners or the like. Clearly, assembly on site requires significant time and effort. If formed as modules having the rails pre-welded to the corner posts, each module is relatively large and cumbersome. Transport of the modules would be awkward and the number of modules that could be transported at any one time may be limited. As with the perimeter fence of St. John, changes in the shape of the fence would require welding the rails to the corner posts at a variety of angles, necessitating on-site assembly or stocking of a number of different modules.
- Clearly, what is required is a modular fence assembly that can be readily stacked for transport in a truck bed. Further, the modules should require a minimum of assembly on site and allow for forming a perimeter fence of whatever shape is required for each unique location. Preferably, the fence should be easily opened for access to large equipment such as a service rig.
- A fence module for forming a perimeter fence is provided. The fence module has two end assemblies connected by span members. The end assemblies comprise a vertical member connected at a lower end to a first end of a horizontal member and an angle arm connected between an upper end of the vertical member and a second end of the horizontal member. The angle arm is connected to a side edge of the vertical and horizontal members to permit sufficient space to allow successive fence modules to be stacked for transport and storage.
- In a preferred embodiment of the invention, a spacer means is positioned between the angle arm and the vertical and horizontal members to provide additional tolerance resulting in the ability to stack large numbers of fence modules without restriction.
- Successive fence modules are readily fastened to each other for forming a perimeter fence, without the need for additional structural elements. Attachments means, preferably loops, are spaced along the vertical members of the end assemblies. Preferably the loops on a second end support of a first fence module are spaced to co-operate with the loops on a first end support of a subsequent fence module to permit vertical alignment of the loops to allow passage of a pin therethrough. Thus, the fence modules are pivotally attached to one another and rotation about the pin allows the fence modules to be arranged at infinite angles permitting forming perimeter fences having a number of polygonal shapes.
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FIG. 1 a is a perspective view of one embodiment of a fence module of the present invention assembled into a rectangular perimeter fence; -
FIG. 1 b is a perspective view of one embodiment of a fence module of the present invention assembled into a triangular perimeter fence; -
FIG. 2 a is a partial side view of a fence module according toFIG. 1 a, -
FIG. 2 b is a close up view of the detail of the connection between a right angle corner brace and an angle arm according toFIG. 2 a; -
FIG. 3 is a partial perspective view of a first fence module pivotally attached to a subsequent fence module illustrating the attachment detail; -
FIGS. 4 a-c are front schematic views of a plurality of fence modules according toFIG. 1 a, illustrating the stackability of the modules, more particularly,FIG. 4 a is a plurality of modules prior to stacking,FIGS. 4 b andFIG. 4 c illustrate the relationship between modules as the modules are stacked; and -
FIGS. 5 a-b, are side schematic views of a plurality of fence modules according toFIG. 1 a, more particularly,FIG. 5 a is a plurality of modules prior to stacking andFIG. 5 b illustrates the relationship between successive right angle corner braces and angle arms as the modules are stacked. - Having reference to
FIG. 1 a, a perimeter fence 1, formed using unitarystackable fence modules 2 of one embodiment of the present invention, is shown. - As shown in
FIGS. 1 a-3, eachfence module 2 comprises two delimiting end supports 3 spaced by a plurality ofspan members 4 attached therebetween. Eachend support 3 has a substantiallyvertical member 5, ahorizontal member 6 connected at afirst end 7 to alower end 8 of the substantiallyvertical member 5 and anangle arm 9 connected between anupper end 10 of the substantiallyvertical member 5 and asecond end 11 of thehorizontal member 6. The end supports 3 act as braces to support thespan members 4. Thespan members 4 are connected at each end to theangle arms 9 creating an upwardly and inwardlyinclined fence module 2, suitable for preventing intrusion and damage by animals and livestock. Thespan members 4 are spaced so as to have at least onespan member 4 positioned at about the height of the average bovine knee and at lest one span member positioned at about the height of the chest. In this way, livestock are discouraged from attempting to step over the fence 1 and, because of the inward incline, are not inclined to lean or rub against thespan members 4. - Further, best seen in
FIGS. 1 a-b and 3, when afirst fence module 20 is attached to asubsequent fence module 21, the adjacent end supports 3 act to form acorner 22. The perimeter fence 1 is shown having a square shape (FIG. 1 a), however, it will be appreciated by those skilled in the art thatadjacent modules corner 22 and the perimeter fence 1 can be formed in any number of polygonal shapes using three or more fence modules 2 (FIGS. 1 a-b). - As shown in
FIGS. 2 a, 4 a-c and 5 a-5 b, and in a preferred embodiment of the invention, theangle arm 9 is connected to the vertical member and to the horizontal member atinside side edges span members 4. This arrangement ofvertical members 5,horizontal members 6 andangle arms 9 permits stacking of a plurality offence modules 2. - Preferably, as shown in
FIGS. 2 b and 4 a-c, a spacer means 14 is positioned between both the substantiallyvertical member 5 and thehorizontal member 6, and theangle arm 9 at points ofconnection 15 to provide additional dimensional tolerance, permitting a large number of substantiallyidentical modules 2 to be stacked without restriction. - As shown in
FIG. 3 , attachment means, such as and preferablyloops 16, are attached to each substantiallyvertical member 5 to permit pivotal attachment of thefirst module 20 to thesubsequent module 21. Theloops 16 on each of the first and subsequent module are positioned to be aligned vertically to accept apin 17 to be passed therethrough. Thus themodules pin 17 to form acorner 22 having an infinitely variable angle for forming different shaped perimeter fences 1. -
Pins 17 used to attachsubsequent modules pin 17 into the ground may occur with low ambient temperatures, difficult removal of thepin 17 would result in damage to thepin 17 only and not to thefence modules 2. This is a significant improvement over prior art fence modules where the leg of the module is inserted into the ground resulting in a need to repair the fence module should damage occur when removing the leg from frozen ground. - More preferably, each
fence module 2 has afirst end support 3,23 and asecond end support 3,24. Thesecond end support 3,24 of thefirst module 20 hasloops 16 spaced to co-operate withloops 16 on thefirst end support 3,23 of thesubsequent fence module 21. - In the preferred embodiment, the end supports 3,23,24 and the
span members 4 are formed of tubular steel which are welded to form eachfence module 2. - Additionally, as shown in
FIG. 1 a, at least onefence module 2 is formed having a man-door orgate 30, intermediate thespan members 4, to permit access by personnel at the site. A pair of support posts 31 are positioned intermediate thespan members 4 and extend from atop span member 32 to the ground and at an identical angle to that of theangle arms 9. Ahorizontal base member 33 extends between the support posts 31 at alower end 34 of each of the support posts 31. Thegate 30 is connected to one of the support posts 31 by two or more hinges 33. - Large equipment can readily gain access within the perimeter fence 1 by removing one of the
pins 17 and pivoting one or both of thefence modules 2 to open the perimeter fence 1.
Claims (10)
1. A unitary, stackable fence module comprising:
two end supports, each end support having,
a substantially vertical member connected at a lower end to a first end of a horizontal member, the vertical member and the horizontal member being in the same plane; and
an angle arm extending between an upper end of the substantially vertical member and a second end of the horizontal member;
a plurality of span members connected between the angle arms of the two end supports and spacing apart the two end supports in substantially parallel arrangement for forming an inside space therebetween, the span members being substantially perpendicular to the plane of the vertical member and the horizontal member, the angle arm of each of the end supports being connected at a side of the vertical member adjacent the inside space and at a side of the horizontal member adjacent the inside space so as to extend the inside space between the vertical member and the horizontal member of the two end supports, the inside space being open to permit the span members and angle arms of a similar fence module to fit therein for stacking in nested arrangement; and
connectors at each of the two end supports to permit pivotal attachment to an end support of a similar fence module.
2. The unitary, stackable fence module of claim 1 further comprising:
a first spacer positioned between the angle arm and the vertical member; and
a second spacer positioned between the angle arm and the horizontal member,
the spacers acting to further extend the inside space between the end supports of the fence module.
3. The unitary, stackable fence module of claim 1 wherein the connectors comprise:
loops arranged along the vertical member so as to permit vertical alignment of the loops between similar fence modules; and
a pin for passage through the loops.
4. The unitary, stackable fence module of claim 3 wherein the pin is of sufficient length to engage a ground at the lower ends of the vertical members.
5. The unitary, stackable fence module of claim 1 wherein the end supports and the span members are formed of tubular steel.
6. The unitary, stackable fence module of claim 1 further comprising a man door formed intermediate the span members for permitting access therethrough.
7. A method for stacking fence modules comprising:
providing a plurality of similar fence modules each fence module comprising:
two end supports, each end support having,
a substantially vertical member connected at a lower end to a first end of a horizontal member, the vertical member and the horizontal member being in the same plane; and
an angle arm extending between an upper end of the substantially vertical member and a second end of the horizontal member wherein the horizontal member of each end support is adapted for supporting the fence module on a surface;
a plurality of span members connected between the angle arms of the two end supports and spacing apart the two end supports in substantially parallel arrangement for forming an inside space therebetween, the span members being substantially perpendicular to the plane of the vertical member and the horizontal member, the angle arm of each of the end supports being connected at a side of the vertical member adjacent the inside space and at a side of the horizontal member adjacent the inside space so as to extend the inside space between the vertical member and the horizontal member of the two end supports, the inside space being open to permit the span members and angle arms of a similar fence module to fit therein for stacking in nested arrangement;
reorienting a first of the plurality of similar fence modules for supporting the first fence module on the plurality of span members on a surface; and
inserting the span members and angle arms of a second fence module of the plurality of fence modules into the inside space between the end supports of the first fence module, the first and second fence modules being stacked in nested arrangement.
8. The method of claim 7 wherein when stacked in nested arrangement, the angle arms and the span members of the second fence module rest substantially on the angle arms and span members of the first fence module.
9. The method of claim 7 wherein when stacked in nested arrangement, the vertical member and the horizontal member of the second fence module rest substantially on the vertical member and the horizontal member of the first fence module.
10. The method of claim 7 further comprising:
repeating the inserting with subsequent of the plurality of similar fence modules for stacking the plurality of similar fence modules in nested arrangement.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US11/746,791 US20070228351A1 (en) | 2003-06-27 | 2007-05-10 | Modular stackable fence apparatus |
US12/707,428 US8070136B2 (en) | 2003-06-27 | 2010-02-17 | Modular stackable fence apparatus |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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CA002433743A CA2433743C (en) | 2003-06-27 | 2003-06-27 | Modular stackable fence apparatus |
CA2,433,743 | 2003-06-27 | ||
US10/773,250 US7334778B2 (en) | 2003-06-27 | 2004-02-09 | Modular stackable fence apparatus |
US11/746,791 US20070228351A1 (en) | 2003-06-27 | 2007-05-10 | Modular stackable fence apparatus |
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US10/773,250 Continuation US7334778B2 (en) | 2003-06-27 | 2004-02-09 | Modular stackable fence apparatus |
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US12/707,428 Division US8070136B2 (en) | 2003-06-27 | 2010-02-17 | Modular stackable fence apparatus |
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US20070228351A1 true US20070228351A1 (en) | 2007-10-04 |
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US12/707,428 Expired - Fee Related US8070136B2 (en) | 2003-06-27 | 2010-02-17 | Modular stackable fence apparatus |
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US20120112148A1 (en) * | 2010-11-05 | 2012-05-10 | Russell Hammond | Fire Pen |
CN102817615A (en) * | 2011-06-10 | 2012-12-12 | 北京市电力公司 | Wellhead fence device |
CN112586374A (en) * | 2020-12-10 | 2021-04-02 | 刘飞杨 | Mobile cattle and sheep are bred with readily removable fortune rail |
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WO2019043911A1 (en) * | 2017-09-01 | 2019-03-07 | 株式会社日本育児 | Circle enclosure for pets |
US10900281B1 (en) | 2017-10-20 | 2021-01-26 | Ameristar Perimeter Security Usa Inc. | Gate assembly |
CA3079185A1 (en) * | 2019-04-24 | 2020-10-24 | Cbm Non-Conductive Solutions Llc | Nonconductive, modular barrier assemblies and related methods |
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US4339114A (en) * | 1980-03-17 | 1982-07-13 | Foresight Industries, Inc. | Fencing system |
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US4502564A (en) * | 1982-04-06 | 1985-03-05 | Kuemmerlin Walter | Stepladder |
US4548441A (en) * | 1982-01-22 | 1985-10-22 | Ogg Richard K | Stacking chair |
US5184800A (en) * | 1991-01-22 | 1993-02-09 | The Tensar Corporation | Portable snow fence system |
US5533714A (en) * | 1994-12-27 | 1996-07-09 | St. John; Ross | Modular fence apparatus |
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US4844424A (en) * | 1987-12-21 | 1989-07-04 | Don Knudslien | Fence structure |
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US20040217341A1 (en) * | 2003-05-01 | 2004-11-04 | Gumb Tyler T. | Jack fence |
-
2003
- 2003-06-27 CA CA002433743A patent/CA2433743C/en not_active Expired - Lifetime
-
2004
- 2004-02-09 US US10/773,250 patent/US7334778B2/en not_active Expired - Lifetime
-
2007
- 2007-05-10 US US11/746,791 patent/US20070228351A1/en not_active Abandoned
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2010
- 2010-02-17 US US12/707,428 patent/US8070136B2/en not_active Expired - Fee Related
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US2581318A (en) * | 1949-10-25 | 1952-01-01 | Carl T Bartlett | Portable enclosure |
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US4502564A (en) * | 1982-04-06 | 1985-03-05 | Kuemmerlin Walter | Stepladder |
US4498595A (en) * | 1982-09-28 | 1985-02-12 | Wilson Roland B | Ice block making and storage system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120112148A1 (en) * | 2010-11-05 | 2012-05-10 | Russell Hammond | Fire Pen |
CN102817615A (en) * | 2011-06-10 | 2012-12-12 | 北京市电力公司 | Wellhead fence device |
CN112586374A (en) * | 2020-12-10 | 2021-04-02 | 刘飞杨 | Mobile cattle and sheep are bred with readily removable fortune rail |
Also Published As
Publication number | Publication date |
---|---|
US7334778B2 (en) | 2008-02-26 |
US20100264389A1 (en) | 2010-10-21 |
CA2433743A1 (en) | 2004-12-27 |
US8070136B2 (en) | 2011-12-06 |
US20040262590A1 (en) | 2004-12-30 |
CA2433743C (en) | 2005-10-18 |
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Legal Events
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AS | Assignment |
Owner name: 747379 ALBERTA LTD., CANADA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ALBERTS, MICHAEL J;REEL/FRAME:020668/0849 Effective date: 20050721 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |