This application incorporates by reference U.S. patent application Ser. No. 15/672,143 entitled EXTENDABLE BEAM filed Aug. 8, 2017, now U.S. Pat. No. 10,280,618.
This disclosure relates generally to an extendable beam, methods, and systems for masonry or construction use in spanning and carrying a load of an opening. These systems relate more specifically to the use of a single beam over two vertical supports to create an opening, such as a window or doorway or other architectural element.
In masonry, forms are often used to create windows, doorways or openings. These forms can be called many different things such as frames, bucks, headers, girders, joists, and the like. These forms are often made of simple wood (e.g., 2×4s or 2×6s) and built to (hopefully) fit within the space needed. Many times the wood frames are not the right size and have to be cut, fit, worked, and reworked until the proper dimensions of the frame is made. After the frame is constructed, a mason or other construction worker may begin building the next layer of block over the frame, the frame maintaining the opening.
These frames are costly and are typically limited to a one-time single use because of the opening size. Often installation and removal of these frames requires block repair and can interrupt a mason's job. A wood frame may also leave rough finishings and limit access through the opening while the frame is in place. Further, wood frames are not considered a very environmentally sensitive (or “green”) practice.
Other devices include lintels. These lintels are supported by other support beams made of wood or metal that extend from the base of an opening to the lintel. These lintels may also include a single extendable portion that slides from a single side of the lintel so that the lintel may be used for different size openings. In one instance a lintel may include a first fixed shoulder that sits on one wall then a second extendable shoulder that sits on a different wall. The lintel rests on the two walls over an opening. These devices are only intended to telescope from a single side and may allow the lintel to nearly double its size.
This disclosure, at least in one aspect, relates to a system or device with a longitudinal housing, which may be comprised of steel, a steel alloy, other metals or alloys, or a strong structure capable of holding significant weight (i.e., carbon fiber). The housing may be elongated with a U-shaped or C-shaped cross-section. The housing may hold, or may be capable of encompassing, at least one extendable member. The at least one extendable member may be two extendable members that each extend from the housing in opposite directions.
The housing may be forged, bent, milled, extruded or the like from a single piece of metal and may be forged with multiple bends (which bends may be 90°). The housing may also be welded with multiple pieces of metal at 90° angles or bends (or nearly 90° angels or bends) as well. The housing may include a first longitudinal wall that extends the length of the housing, a pair of second longitudinal walls that may be perpendicular to the first longitudinal wall and extend the length of the housing. A pair of third longitudinal walls, or pair of lips, that may be perpendicular to the pair of second longitudinal walls. The pair of lips may extend at least partially toward a longitudinal axis of the housing and the pair of lips may be parallel or close to parallel to the first longitudinal wall. At least one cross support post may extend between the pair of lips across a void in the housing securing the one lip to the second lip. The cross support post may be welded, forged or the like.
The system may comprise multiple configurations. In a first configuration the two extendable members may reside entirely within the housing. The two extendable members may be held within the housing by the pair of lips of the housing. Alternatively the two extendable members may be held by at least one support member which may be welded inside the housing. The at least one support member may be a plurality of support members. The plurality of support members may be secured, welded, formed, etc. to the pair of second longitudinal walls. The plurality of support members may be positioned opposite one another on the pair of second longitudinal walls. The plurality of support members may extend longitudinally at least partially along the pair of second longitudinal walls.
Alternatively, a separate retention element may be used to maintain the two extendable members. For instance, apertures may be milled, premanufactured, or drilled into lateral, or side, walls of the housing and allow for passage of a pin or rod. A slot may also be milled, ore premanufactured, into the side walls of the extendable members. Such slots may allow for extension of the extendable members within a range to prevent the complete withdrawal of the extension member from the housing.
The extendable members may be similar in shape and size and may be interchangeable. The extendable members may be forged or welded, and are separate from the housing. The extendable members may be substantially rectangular in shape and from one perspective may resemble a tray or open top box. Each extendable member may comprise a longitudinal axis, a first wall, a pair of second walls opposite each other, which may be parallel to each other, extending from the first wall at a 90° angle, and a pair of third walls opposite each other, and which may be parallel to each other, extending from the first wall at a 90° angle and connected to the pair of second walls.
The pair of second walls may be different lengths extending from the first wall. The distal wall of the pair of second walls, may be shorter in length than the proximal wall. The proximal wall may be longer and may engage the plurality of support members of the housing to act as a stop such that the extendable members may not extend out of the housing beyond a predetermined or predesignated distance or amount. An extendable member flange, or tab, may extend distally from the distal wall of the pair of second walls. The extendable flange may be configured to engage a wall or support for the system to rest on.
The pair of third walls may be substantially parallel and may be substantially the same length and width. The pair of third walls may provide a slide or guide to glide along the plurality of support members while the extendable members are manipulated at different positions relative to the housing.
A second configuration may be both extendable members extending beyond the housing exposing each flange of each extendable member to engage the construction element (e.g., walls or supports) that traverses an opening of the construction element. In a third configuration at least one of the extendable members may extend at least partially beyond the housing, exposing at least one flange from the extendable member to engage a wall or support of the construction while the other extendable member only protrudes from the housing far enough to expose a flange to engage the construction element.
Additionally, the extendable member may further include variable flanges extending from distal ends of the extendable members. Different angles of flanges with different depths are considered and may be utilized for different angles of intersecting walls.
Disclosed systems may also include a coupler to couple, connect, or daisy-chain multiple housings and extendable members together. Such coupling allows the systems to traverse large openings of a structure. In a first configuration, the coupler may be substantially rectangular and linear. In a second configuration, the coupler may include an angle, such as a 90° angle, allowing the coupler and the housings to traverse non-linear openings and/or corners of structures.
The system may comprise or resemble a lintel or header and may be configured to traverse an opening of a structure, such as a door or window for a building that is being constructed.
In the drawings:
The housing 12 may include a first wall 16, which may be substantially planar, extending a length and a width of the housing 12. The first wall 16 may be substantially flat and configured to allow other flat elements (i.e. bricks, blocks, etc.) to easily reside on the first wall 16. The first wall 16 may include bends or curves toward each width end of the first wall 16. A pair of second walls 18, 18′ may extend from the first wall 16, or the bends of the first wall 16, in a direction substantially perpendicular to the first wall 16. Extending from the pair of second walls 18, 18′ are a pair of third walls 20, 20′ that may extend from separate bends in the second walls 18, 18′. The pair of third walls 20, 20′ may extend toward each other and the longitudinal axis 14, or midline, of the longitudinal housing 12. A channel 25 may be positioned between the pair of third walls 20, 20′ and run the length of the housing 12. The third walls 20, 20′ may be substantially parallel to the first wall 16. The channel 25, or passage or void, may run the length of the housing. A cross-sectional shape of the housing 12 may resemble a C-shape or U-shape.
The housing 12 may include a first opening 24 toward one end of the housing 12 and a second opening 26 toward a second, opposing end of the housing 12 with the channel 25 running from the first opening 24 to the second opening 26.
The housing 12 may be comprised of a single piece of metal or steel, and may be forged of a single piece of metal. The single piece of metal can be forged with the bends in the walls as described earlier, which allows for greater strength of the housing 12 rather than welding the walls together at weld points. However, it will be appreciated that the system 10 may be welded together with multiple metal pieces. In the instance of welding, the “bends” may be sharper, more defined, and not as curved. Additionally, and/or alternatively, the welds may be ground or sanded down to form similar bends as though the housing 12 was forged from a single piece of metal.
Referring to
A plurality of support members 30 may be positioned and secured to the housing 12 on the interior of the second walls 18, 18′ and within the channel 25. Securing of the support members 30 may be accomplished by welding the pieces into place. The plurality of support members 30 may be positioned opposite one another on the pair of second walls 18, 18′ and at multiple locations along the pair of second walls 18, 18′. For example, support members 30 may be secured at different longitudinal positions along the interior of the second walls 18, 18′. The plurality of support members 30 may extend longitudinally at least partially along the pair of second walls 18, 18′, provide additional support, and may operate as a guide or track for extendable members. The support members 30 may also be planar, or flat, with the plan of the support members running substantially parallel to the first wall 16 of the housing 12.
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The proximal wall 38 may extend further from the planar first wall 34 than the distal wall 40. The proximal wall 38 may extend further than the extendable member second walls 36, 36′ as well. The proximal wall 38 may provide a stop against a proximal end of the support members 30, so that the first extendable member 32 does not extend too far out of the housing 12. The distal wall 40 may include a distal tip 42 which may include a flange 44, or tab, which extends longitudinally from the distal wall 40 in the same plane or parallel plane as the planar first wall 34. The distal tip 42 may be integrated into the body of the first extendable member 32 or may be a separate piece that may be secured, or welded, to the distal wall 40. The distal tip 42 may include a right angle piece, or elbow, that in one plane sits flush against the distal wall 40. In a separate plane perpendicular to the one plane sitting flush against the distal wall 40, the distal tip 42 may extend in a same plane, substantially the same plane, or a parallel plane to the first planar wall 34, which extension may be the flange 44. The flange 44 engages a construction element 50, which may be a wall or support, and rests on that construction element 50 which holds up the system 10 (see, e.g.,
Each extendable member 32, 31 may extend from the housing 12 at least as far as half of the length of the extendable members 32, 31. Each extendable member 32, 31 may extend just far enough for the flange 44 to protrude from the housing 12 to engage one edge of an opening (see
The first extendable member 32 may be manufactured, or forged, from a single metal piece or it may be welded from multiple metal pieces. Additionally, the first extendable member 32 may complementarily fit within the housing 12, such that the curved edges/corners of the housing 12 (e.g., between the first wall 16 and the second walls 18, 18′) may correspond to similar curvatures in the first extendable member 32 (e.g., between the planar first wall 34 and the extendable member second walls 36, 36′). This complementary fit may allow for ease in sliding the first extendable member 32 out of the housing 12, as well as retracting the first extendable member 32 back into the housing 12.
The second extendable member 31 may be substantially identical to the first extendable member 32. The same elements are utilized in the second extendable member 31 with the same features other than the second extendable member 31 extends from the opposite side of the housing 12 and in an opposing direction than the first extendable member 32.
The extendable members 32, 31 may extend from a fraction of one inch (e.g., ¼, ½, ⅓ inch) to up to 12 inches from the housing 12. The length of the entire system 10 may vary from 1.5 feet (18 inches) up to 42 feet and perhaps even longer. The housing 12 may be the majority of the length of the system 10 while the extendable members 32, 31 remain roughly the same size, regardless of the housing 12 size. However, it is contemplated that the extendable members size or length 32, 31 may increase proportionately to the housing 12 size.
Depending on the length of the system 10 utilized, for the system 10 to traverse an opening in a construction element 50, posts, post shores, or props may be required to engage the system 10 at one or more locations. The posts may engage the system 10 on a bottom side, or within the channel 25 side of the housing 12 at strategic locations in the opening of the construction element 50.
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The housing 112 may include a first wall 116, which may be substantially planar, extending a length and a width of the housing 112. The first wall 116 may be substantially flat and configured to allow other flat elements (i.e. bricks, blocks, etc.) to easily reside on the first wall 116. The first wall 16 may include bends or curves toward each width end of the first wall 116. A pair of second walls 118, 118′ may extend from the first wall 116, or the bends of the first wall 16, in a direction substantially perpendicular to the first wall 116. Extending from the pair of second walls 118, 118′ are a pair of third walls 120, 120′ that may extend from separate bends in the second walls 118, 118′. The pair of third walls 120, 120′ may extend toward each other and the longitudinal axis 114, or midline, of the longitudinal housing 112. A channel 125 may be positioned between the pair of third walls 120, 120′ and run the length of the housing 112. The third walls 120, 120′ may be substantially parallel to the first wall 116. The channel 125, passage, or void, may run the length of the housing 112. A cross-sectional shape of the housing 112 may resemble a C-shape or U-shape.
The housing 112 may include a first opening 124 toward one end of the housing 112 and a second opening 126 toward a second end of the housing 112, with the channel 125 running from the first opening 124 to the second opening 126. A cross-bar 128 may extend from the pair of third walls 120, 120′ across the channel 125.
Rather than support members 30, this embodiment may include a pin 130, or rod, which may pass through a pair of holes 152 in the housing 112. The pair of holes 152 each pass through the pair of second walls 118, 118′, or side walls, as appropriate. The holes 152 may be axially aligned with one another (e.g., aligned on opposing side walls) to allow for easy passage of a pin 130. The pin 130 may at least partially traverse the channel 125. Additionally, and/or alternatively, the pin 130 may traverse the channel 125 entirely.
Similar to the previous extendable members 31, 32 a first extendable member 132 may be substantially rectangular in shape and, from one perspective, may resemble a tray or open top box. The first extendable member 132 includes a body with a planar first wall 134 that may run substantially parallel to the first wall 116 of the housing 112. The first extendable member 132 may also comprise a proximal wall 138 and a distal wall 140, opposite each other, and which may be substantially parallel to each other. Each wall 138, 140 extends from the first planar wall 134 at about a 90° angle and is connected to the pair of extendable member second walls 136, 136′.
The proximal wall 138 may extend further from the planar first wall 134 than the distal wall 140. The proximal wall 138 may extend further than the extendable member second walls 136, 136′ as well. That is, the proximal wall 138 may be taller than the distal wall 140 and/or the extendable member second walls 136, 136′. The proximal wall 138 may provide a stop against the pin 130 (as may be seen in
A second extendable member 131 may be substantially similar and mirror image of the first extendable member 132 with the same elements and features. Each extendable member 132, 131 may extend from the housing 112 at least as far as half of the length of the extendable members 132, 131. Each extendable member 132, 131 may extend just far enough for the flange 144 to protrude from the housing 112 and to engage one edge of an opening (see
Extendable member 132, 131 may include slots 154, or cutouts or elongated apertures, within the second walls 136, 136′, or side walls. The slots 154 may be elongated holes or apertures extending perpendicular to a plane of the second walls 136, 136′. The slots 154 may be axially aligned with each other and may pass through each of the second walls 136, 136′ entirely. The slots 154 may allow for passage and/or movement of the pin 130. The slots 154 may slidably receive the pin 130 so as to allow the elongated members 132, 131 to freely slide into and out of the housing 112. Likewise, the holes 152 may slidably receive the pin 130 and may engage the housing 112 as further described herein. The pin 130 may traverse the holes 152 and the slots 154, and the pin 130 may be secured to the housing 112 with a nut 156 or bolt. Alternatively, the pin 130 may have a transverse aperture that allows for a separate rod to pass through the transverse aperture and secure the pin 130 to the housing. The pin 130 may resemble a screw with threads on at least one end that may engage a nut 156 on one side of the housing, such as on second wall 118, with the head of the screw on the opposite side of the housing, such as on second wall 118′. It will be appreciated that any number of methods and means of securing a rod, pin or screw is contemplated herein.
The slots 154, with the pin 130 passing therethrough, provides a maximum and minimum length of extension for the first extendable member 132. A distal end 158 of the slot 154 may be engaged when the first extendable member 132 is retracted into the housing 112, such as in the first configuration 100. A proximal end 160 of the slot 158 may be engaged when the first extendable member 132 is extended from the housing 112, such as in the second configuration 102, at a maximum distance. The slots 154 may allow for an infinite number of positions between the proximal end of the slot 160 and the distal end of the slot 158.
The first extendable member 132 may further include a window 162, or opening, in the planar wall 134. The window 162 may allow for the first extendable member 132 to be manufactured with less weight for easier use and manipulation. The window 162 may also provide a user with the ability to see through the first extendable member 132 to the traversed opening and the housing 112.
For ease in describing the system 110, the first extendable member 132 may have been utilized and describe, though it will be appreciated that the second extendable member 131 may comprise the same features and elements, and may be a mirror image of the first extendable member 132 when positioned in the housing 112.
Referring to
In this embodiment, the pin 130 may provide the same strength and stability as the support members 30 but with far less weight allowing for easier manipulation of the system 110 or system 210.
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It will be appreciated that any number of angles is contemplated here and specifically between about 5° to 45° and the above examples are simply examples and not limiting herein. For example, the angle may be about 6°, 10°, 15°, 20°, 25°, 30°, 35°, 44°, or an angle within a range defined by any two of the foregoing values.
Referring to
The dimensions of the system may vary as well. The housing 12, 112 may be anywhere from 2 feet (or roughly 0.6 meters) to 42 feet (or roughly 13 meters) in length. The width of the housing 12 may be 4 to 8 inches (or roughly 10 cm to 21 cm). The height of the housing 12 may be 2 to 4 inches (or roughly 5 cm to 11 cm). The length of the extendable members 31, 32, may vary but may be in the range of 12 to 18 inches (or roughly 30 cm to 46 cm), with the extendable members 31, 32 being capable of extending 6 to 9 inches (or roughly 15 cm to 23 cm).
A user may then use building materials, bricks, blocks, etc., to build across and on top of the system 10, utilizing the system 10 to stabilize the building materials. The user may then remove the system 10 by simply retracting the extendable members 31, 32 into the housing 12 at least enough to release the flange(s) from the edges of the construction element 50 opening.
It will be appreciated that the housing 12, 112, or shell, may be comprised of 12-14 Gauge C Channel purlin which is a commonly used beam to extend over a roof or other constructive element. The extendable members 31, 32, 131, 132 (or trays) may be one-quarter inch milled steel (it may also be cast, forged, extruded, welded, etc.). The pin 130, or rod, may be comprised of steel, other metal or metal alloys that provide the strength and rigidity necessary for the functions described herein. Other metals and materials may be used with a similar construct and even wood, plastics and carbon-fiber are contemplated.
In some embodiments, the proximal wall 338 may extend further from the planar first wall 334 than the distal wall 340. In some embodiments, the proximal wall 338 may extend further than the extendable member second walls 336, 336′ as well. That is, the proximal wall 338 may be taller than the distal wall 340 and/or the extendable member second walls 136, 136′. The proximal wall 338 may provide a stop against the pin 330 (as may be seen in
The distal tip 342 may be integrated into the body of the first extendable member 332 or may be a separate piece that may be secured, or welded, to the distal wall 340. For example, referring to
As illustrated in
A second extendable member 331 may be substantially similar and a mirror image of the first extendable member 332 with the same elements and features. Each extendable member 332, 331 may extend from the housing 312 at least as far as half of the length of the extendable members 332, 331. Each extendable member 332, 331 may extend just far enough for the flange 344 to protrude from the housing 312 and to engage one edge of an opening (see
Extendable member 332, 331 may include raised notches 345 within the second walls 336, 336′, or side walls. The notches 345 may be positioned closer to the proximal wall 338 of the extendable members 332, 331. The raised notches 345 enhance the clearance and level attitude of the extendable member 332, 331 when fully extended from the housing 312. Further, the raised notches 345 allow a system 310 of the housing 312 and extendable members 332, 331 (see
Extendable member 332, 331 may include slots 354, or cutouts or elongated apertures, within the second walls 336, 336′, or side walls. The slots 354 may be elongated holes or apertures extending perpendicular to a plane of the second walls 336, 336′. The slots 354 may be axially aligned with each other and may pass through each of the second walls 336, 336′ entirely. The slots 354 may allow for passage and/or movement of a pin 330. In some embodiments, the pin 330 may include two (2) pins 330, each received by a hole 352, or housing hole, in the housing 312, discussed more fully below with respect to
Likewise, the holes 352 may slidably receive the pins 330 and may engage the housing 312 as further described herein. The pin 330 may traverse the holes 352 and the slots 354, and the pin 330 may be secured to the housing 312 with a nut 356 or bolt. The pin 330 may resemble a screw with threads on at least one end that may engage a nut 356 on one side of the housing, such as on second wall 318, with the head of the screw on the opposite side of the housing, such as on second wall 318′. It will be appreciated that any number of methods and means of securing a rod, pin or screw is contemplated herein.
Alternatively, in some embodiments, the pins 330 may resemble rivet nuts (also referred to as “rivnuts”) and the holes 352 of the housing 312 may be ports to receive the rivnuts. The holes 352 may be positioned in or around the four (4) corners of the housing 312, allowing the extendable members 332, 331 to be directly attached or secured to the inside of the housing 312. Such an arrangement allows the extendable members 332, 331 to be secured and attached to the housing 312 with reduced drag or friction. Additionally, the arrangement allows the extendable members 332, 331 to be fully retracted into the housing 312 at both ends of the housing 312, which allows for the connection of multiple housings 312 together to span and cross any width or opening.
For example, an eight-foot housing 312 can be combined with a twelve-foot housing 312 to cross a twenty-foot opening. Any other combinations tailored to specific sized openings are also considered by the present disclosure. This also allows multiple sized housings 312 to be combined “on the fly,” such as when changes in the field necessitates an opening size not anticipated in the original plan specifications.
Inclusion of the pins 330 (e.g., rivnuts) also simplifies service or repair of a system 310 incorporating the housing 312, the pins 330, and the extendable member 332, 331. Specifically, the pins 330 received by the holes 352 can easily be ground down/off with any handheld grinder, allowing the extendable member 332, 331 to be removed and quickly replaced. As damage to the extendable member 332, 331 is the most common form of damage for disclosed systems 310, quick and efficient removal and replacement enhances the overall longevity of the disclosed systems 310.
As discussed more fully below, inclusion of the pins 330 (e.g., rivnuts) allows multiple systems 310 to be quickly and efficiently connected together utilizing a coupler 322 (see
The slots 354 provide a maximum and minimum length of extension for the first extendable member 332. A distal end 358 of the slot 354 may be engaged when the first extendable member 332 is retracted into the housing 312, such as in the first configuration 100. A proximal end 360 of the slot 354 may be engaged when the first extendable member 332 is extended from the housing 312, such as in the second configuration 102, at a maximum distance. The slots 354 may allow for an infinite number of positions between the proximal end of the slot 360 and the distal end of the slot 358.
The first extendable member 332 may further include a window 362, or opening, in the planar wall 334. The window 362 may allow for the first extendable member 332 to be manufactured with less weight for easier use and manipulation. The window 362 may also provide a user with the ability to see through the first extendable member 332 to the traversed opening and the housing 312.
For ease in describing the system 310, the first extendable member 332 may have been utilized and describe, though it will be appreciated that the second extendable member 331 may comprise the same features and elements, and may be a mirror image of the first extendable member 332 when positioned in the housing 312.
The housing 312 may include a first opening 324 toward one end of the housing 312 and a second opening 326 toward a second end of the housing 312, with the channel 325 running from the first opening 324 to the second opening 326. A plurality of cross-bars 328 may extend from the pair of third walls 320, 320′ across the channel 325.
As discussed, this embodiment may include pins 330 which may pass through a pair of holes 352 in the housing 312. The pair of holes 352 each pass through the pair of second walls 318, 318′, or side walls, as appropriate. The holes 352 may be axially aligned with one another (e.g., aligned on opposing side walls) to allow for easy passage of the pins 330. The pins 330 may at least partially extend into the channel 325, where the pins 330 will engage with the slots 354 of the extendable member 332, 331.
The extendable members 332, 331 may extend from a fraction of one inch (e.g., ¼, ½, ⅓ inch) to up to 12 inches from the housing 312. The length of the entire system 310 may vary from 1.5 feet (18 inches) up to 42 feet and perhaps even longer. The housing 312 may be the majority of the length of the system 310 while the extendable members 332, 331 remain roughly the same size, regardless of the housing 312 size. However, it is contemplated that the extendable members size or length 332, 331 may increase proportionately to the housing 312 size.
Depending on the length of the system 310 utilized, for the system 310 to traverse an opening in a construction element 50, posts, post shores, or props may be required to engage the system 310 at one or more locations. The posts may engage the system 310 on a bottom side, or within the channel 325 side of the housing 312 at strategic locations in the opening of the construction element 50. As discussed below, posts, or support beams, may engage a coupler 322 via holes 337, or coupler holes, in a first wall 327 of the coupler 322. The first wall 327 may comprise an inner channel surface 364 and an outer planar surface 366.
The disposition of the coupler ports 335 around the coupler 322 allows the coupler 322 to be aligned with the housing holes 352 of two housings 312. That is, a first housing 312 can be aligned and secured to the coupler 322 via alignment of the housing holes 352 and the coupler ports 335. A second housing can be similarly aligned and secured to the coupler 322, where the second housing 312 will abut the first housing 312 within the coupler 322. As shown in
Alternatively, the coupler 322 may be positioned such that the coupler channel 323 receives the housings 312 first planar wall 334 (as one example) against the inner channel surface 364. The inner channel 364, may face downward, or substantially downward, when engaging each of the housings 312.
The coupler 322 may be comprised of a single piece of metal or steel, and may be forged of a single piece of metal. The single piece of metal can be forged with the bends in the walls as described earlier, which allows for greater strength of the coupler 322 rather than welding the walls together at weld points. However, it will be appreciated that the system 310 may be welded together with multiple metal pieces. In the instance of welding, the “bends” may be sharper, more defined, and not as curved. Additionally, and/or alternatively, the welds may be ground or sanded down to form similar bends as though the housing 12 was forged from a single piece of metal.
A width of the coupler 322 may be sized such that the coupler 322 can receive and be secured to a housing 312. Thus, the width of the coupler 322 may correspond to a width of the housing 312. In some embodiments, the width of the coupler 322 may range from approximately 5 to 12 inches, such as 6, 7, 8, 10 inches or a width within a range defined by any two of the foregoing values. Similarly, a length of the coupler 322 may be sized such that the coupler 322 adequately receives and secures two housings 312 together. In some embodiments, the length of the coupler 322 ranges from 18 inches (or 1.5 feet) to 30 inches (or 2.5 feet), such as 20, 23, 25, 28 inches or a length within a range defined by any two of the foregoing values. A height of the coupler 322 may correspond to a height of the housings 312, such that the housings 312 are substantially flush with the coupler 322 when received by the coupler 322. In some embodiments, the height of the coupler 322 may range from approximately 2 to 8 inches, such as 3, 5, 7 inches or a height within a range defined by any two of the foregoing values.
The ports 335 may be disposed at approximately a middle or center of the walls 329, 329′. For example, a height of the walls 329, 329′ may be about 2.5 inches, with the ports 335 disposed about 1.2 inches from the first wall 327. In some embodiments, the ports 335 are disposed approximately 1.5 inches above the first wall 327. The disposition of the ports 335 may correspond to the placement and disposition of the holes 352 within the housing 312. The coupler holes 337 in the first wall 327 of the coupler 322 may be horizontally and/or vertically offset from each other. In some embodiments, the coupler holes 337 are offset from each other by about 2 to 4 inches, such as about 3.5 inches.
Additionally, the coupler 322 may alternatively have a 90 degree bend in the center. The bend may allow for two housings 312 to be attached, connected or engaged at 90 degrees and may traverse a 90 degree opening thus allowing for an opening on a corner of a building. While 90 degrees may be the most frequently used, it is contemplated that any angled opening or corner is considered herein from 0 to 180 degrees.
Although the foregoing disclosure provides many specifics, these should not be construed as limiting the scope of any of the ensuing claims. Other embodiments may be devised which do not depart from the scopes of the claims. Features from different embodiments may be employed in combination. The scope of each claim is, therefore, indicated and limited only by its plain language and the full scope of available legal equivalents to its elements.