The present invention relates to the field of shelters and, more particularly, to a self-draining canopy.
Portable shelters like the “pop-up” or portable canopy 105 shown in illustration 100 of
Many support structures 115 are configured to produce a quadrilateral (e.g., square or rectangular) frame. This results in the covering 110 being formed into the shape of a square or rectangular pyramid (i.e., a square or rectangular base with triangular sides having a common vertex). The corners of the square or rectangular base typically correspond with the vertical supports or legs of the support structure, as shown in illustration 100.
When rain 130 falls on the portable canopy 105, as shown in illustration 120, the natural contour of the covering 110 directs the rain 130 towards the base of the triangular side. Over time, the rain 130 accumulates into a water pool 140 and the weight of the water pool 140 creates a depressed area 135 in the covering 110. Eliminating the water pool 140 requires a person to be able to be under the depressed area 135 and push against the depressed area 135 (i.e., return the depressed area 135 to its original contour). Over time, exposure to the weight of the water pool 140 deforms the contour of the covering 110, reducing the overall life of the canopy 105.
What is needed is a solution that allows the water pool 140 to drain off of the canopy's 105 covering 110. Such a solution would modify the natural contour of the covering 110 to utilize gravity.
One aspect of the present invention can include a self-draining canopy that includes a covering, an orthogonal support structure, and a drainage system. The covering can be made from a water-resistant material and can have a substantially quadrilateral shape in a horizontal plane. The orthogonal support structure can be coupled to the covering. The orthogonal support structure can vertically position edges of the covering at a first height and can vertically lift a center point of the covering to a second height that is higher than the first height to form a canopy. The orthogonal support structure (at a 90 degree angle) represents a modification of a conventional canopy support structure (at a 45 degree angle) described in the prior art and detailed in the background and in
Thus, unlike conventional canopy structures, the disclosed improved canopy ensures no uncontrolled depressed area 135 exists where water is able to pool (140). Instead, water run-off is directed to a drain (e.g., 410) built onto the top portion of the canopy structure, which mitigates the formation of depressed areas due to water pooling on a top of a canopy. Water (that would otherwise pool) is directed and controlled using an interior channel (e.g., 417) linked to the top drain (e.g., 410), so that humans entering/exiting the canopy do not get wet from water run-off. Further, the drain that prevents a creation of a depressed area on a top of the canopy due to water weight extends the life of the canopy itself by minimizing the weight-induced distortions of conventional designs.
Another aspect of the present invention can include a drainage system for a canopy having an orthogonal support structure (e.g., rotated approximately 45 degrees from a conventional canopy structure) that is comprised of multiple drainage apparatuses. The drainage apparatuses can transport environmental substances from a top surface of the canopy to an outlet location. Transportation of the environmental substances can be provided by a force of gravity in conjunction with a natural contour of the canopy. The natural contour of the canopy can be created by the orthogonal support structure and can automatically direct environmental substances deposited upon the top surface toward the drainage apparatuses. Each drainage apparatus can prevent the accumulation of the environmental substances on the top surface of the canopy and deformation of the canopy due to such accumulations. Each drainage apparatus can include a drain and a transport element. The drain can establish one or more apertures through the canopy to allow passage of the environmental substances. The transport element can be connected to the drain and can permit the environmental substances to move from the drain to the outlet location through an enclosed space.
Yet another aspect of the present invention can include a method that begins by supporting a canopy with an orthogonal support structure. The non-vertical elements of the orthogonal support structure that the canopy rests upon can be positioned substantially orthogonally within a horizontal plane. Upon exposure of the canopy to rain, rain that has fallen on a top surface of the canopy can be directed toward an installed drainage system using a natural contour of the canopy in conjunction with a force of gravity. The natural contour of the canopy can be induced by the orthogonal support structure. The rain can then be transported from the top surface of the canopy to an outlet location by the drainage system. The outlet location can be proximate to ground level. The drainage system can introduce one or more apertures through the canopy. Further, the drainage system can prevent the accumulation of the rain on the top surface of the canopy and deformation of the canopy due to a weight of such accumulations.
As will be appreciated by one skilled in the art, aspects of the present invention can be a system and/or method that embodies a solution for draining water and other environmental substances from the top surface of a canopy. Such a solution can form the canopy using an orthogonal support structure (rotated 45 degrees from a conventional canopy structure, such as shown in
The covering 205 of the self-draining canopy 200 can be of a size, shape, and materials that is similar to the variety of existing canopies and compatible with the size, shape, and bearing capacity of the support structure 210. It can be preferred that the covering 205 be of a water-resistant material as rain or water accumulation is of concern.
The covering 205 can be coupled to the support structure 210 using conventional means. The support structure 210 of the self-draining canopy 200 can orthogonally support the covering 205; a conventional support structure 115, as shown in
The orthogonal support structure 210 can include multiple legs 215, a perimeter frame 220, and canopy support 225. As is known in the Art, the legs 215 can be the vertical supports of the canopy 200 with the perimeter frame 220 laterally connecting the legs 215 to provide stability. For simplicity in discussion, the self-draining canopy 200 can have four legs 215 whose positions are the corners of a square in the horizontal plane. In various embodiments orthogonal structure 210 can vary in angle (from 90 degrees) by five degrees, ten degrees, fifteen degrees, twenty degrees, twenty five degrees and angles in between. Additional measures to aid in directing/controlling a flow of water are contemplated for angles that vary from the ninety degree baseline detailed herein.
It should be noted that the self-draining canopy 200 can utilize different quantities of legs 215 that are positioned to define other geometrical shapes in the horizontal plane without deviating from the spirit of the present invention.
The canopy support 225 can be the component of the self-draining canopy 200 that direct supports (i.e., comes into contact with) the covering 205. The canopy support 225 of the self-draining canopy 200 can include a vertical support member 230, angled support members 235, and planar support members 240. While similar components are used in the support structures of conventional canopies, the orientation of the non-vertical components 235 and 240 can be unique to the self-draining canopy 200.
As in conventional canopies, the vertical support member 230 can lift a center point of the covering 205 a predetermined height above the height established by the legs 215. The planar support members 240 can connect the bottom of the vertical support member 230 to the perimeter frame 220. Unlike similar components of conventional canopies, the planar support members 240 of the self-draining canopy 200 can be orthogonally connected to the perimeter frame 220 with respect to the horizontal plane. Though difficult to visualize, this key point can be graphically illustrated in subsequent Figures.
The angled support members 235 can be elements that comprise the hypotenuses of the right triangles that they form with the vertical support member 230 and planar support members 240. That is, the angled support members 235 can connect the top of the vertical support member 230 to the perimeter frame 220 at a point where the planar support members 240 connect to the perimeter frame 220. The covering 205 can directly rest upon the angled support members 235.
The orthogonal support of the canopy support 225 can allow the covering 205 to naturally direct rain/water down towards the corners. Conventional canopies with diagonal support of the covering 205 have support components or a natural contour that directs rain/water away from the corners towards the middle of the lateral face where the rain/water accumulates.
The components of the orthogonal support structure 210 can be connected to each other using suitable means and can utilize approaches and/or techniques taught by conventional canopies. For example, the collapsible diagonal support structure 115 of
Near the corners where the rain/water is directed, the self-draining canopy 200 can have a drainage system 245. The drainage system 245 can include drains 250 and transport elements 255. The drain 250 can be an element that introduces one or more apertures in the covering 205 that allow rain/water to pass through to a connected transport element 255.
The transport element 255 can be the means that allows the rain/water to flow from the drain 250 to a designated outlet location. For example, the transport element 255 can be a piece of tubing connected to the drain 250 with the outlet location being the opposite end of the tubing. As another example, the transport element 255 can be integrated into the legs 215. That is, the legs 215 can have an interior channel that is connected to the drains 250.
It should be noted that the drainage system 245 can handle substances other than rain/water, including, but not limited to, sand, soil particulates, snow, ice particulates, sleet, dust, ash, liquid solutions, other non-hazardous or non-detrimental liquids, and combinations thereof.
The example of the self-draining canopy presented in views 305 and 330 can have an orthogonal support structure with a square base; the legs 325 can represent the corners of the square and the perimeter frame 322 can comprise the sides by laterally connecting the legs 325, as is typical of conventional canopies, see
As shown in the isometric side view 305, the vertical support member 315 can lift the center point of the covering 310, also like conventional canopies. However, unlike conventional canopies, angled support members 320 can be connected to the midpoints of each side of the perimeter frame 322 and the top of the vertical support member 315. In a conventional canopy, the angled support members 320 can be omitted or connected to the top of the legs 325 to form a regular square pyramid.
The connection of the angled support members 320 to the perimeter frame 322 can be aligned with the planar support members 335, as shown in the top view 330. In the top view 330, the canopy support comprised of the vertical support member 315, angled support members 320, and planar support members 335 can be fully appreciated. Essentially, the vertical support member 315, angled support members 320, and planar support members 335 can represent two king post trusses that orthogonally intersect at the vertical support member 315.
Again, if such a configuration is used in a conventional canopy, the angled support members 320 and planar support members 335 can be positioned on the diagonal of the square base. It is this diagonal alignment that directs rain/water away from the corners of the base towards the middle of the side where it can accumulate and deform the canopy.
Since the position of the angled support members 320 are orthogonal and not diagonal, the expected pyramidal shape of the covering 310 can be thought of having been rotated 90° in the horizontal plane. That is, the edges of the pyramid, represented by the angled support members 320, do not align with the corners of the square base as in a square pyramid. Additionally, the lateral sides of the expected pyramidal shape cannot be completely flat due to the legs 325 pulling the midpoint of the base edge of the lateral side to the corner of the square base. As a result, the covering 310 can have a natural contour 312 on the diagonal that slopes downward towards the legs 325. The force of gravity can direct rain/water that falls on the covering 310 along the natural contour 312 towards the legs 325.
The purpose for having this diagonally-directed the natural contour 312 can be better seen in the isometric top view 330. Since rain/water is naturally directed towards the corners of the square base, the drainage system 340 can be positioned at the corners to remove the rain/water from the covering 310. Therefore, rain/water cannot accumulate on top of the covering 310 and deformation to the covering 310 by the weight of accumulated water can be prevented, which can extend the overall life of the self-draining canopy.
Illustration 400 can show an embodiment of the drainage system that utilizes the leg of the orthogonal support structure as the transport element 415. In such an embodiment, the drain 410 can be installed in the covering 405 above or proximate to the leg 415. The drain 410 can be as simple as a hole made with a grommet (to keep the edges of the hole from fraying and/or tearing) and can include mesh or other means for preventing debris from passing into, and potentially blocking, the transport element 415.
The legs 415 of the orthogonal support structure can have an interior channel 417 for rain/water to flow through. Thus, the leg can act as the transport element 415 of the drainage system. This embodiment can be particularly suited for orthogonal support structures that are already designed to use hollow legs 415 (e.g., pipes and tubes).
The interior channel 417 can be of a diameter to provide a flow rate that reduces the possibility for the rain/water to back-up and accumulate on the covering 405. The interior channel 417 can run the entire height of the leg 415 with the rain/water exiting at the bottom of the leg and into the surrounding ground. In this case, the bottom end of the leg 415 can be the outlet location 420 of the transport element 415 for the rain/water.
Alternately, the outlet location 420 can exist at a point above the bottom of the leg. For example, a hole or spout can pierce through the sidewall of the leg 415 to the interior channel 417 three inches above the bottom of the leg 415. In such a configuration, it can be preferred that the outlet location 420 include additional means to further transport the rain/water away from the immediate area.
For example, a threaded hose connector can be integrated into the outlet location 420. A standard garden hose can then be connected to the outlet location 420 of the transport element 415 to empty the rain/water at a further distance, reducing the amount of rain/water discharged to the area around the self-draining canopy.
Illustration 425 can present a more complex implementation of the drainage system. In this embodiment, the drain 430 can be installed within the covering 405 near to the leg 440 of the orthogonal support structure. Since the leg 440 is not being used as a component of the drainage system, the drain 430 need not be positioned directly above or very close to the top of the leg 440. Additionally, the leg 440 need not be hollow as in illustration 400.
The transport element 435 can be a length of tubing that is attached to the drain 430 at one end and the open end that can act as the outlet location 450. As shown in illustration 425, the end of the transport element 435 that attaches to the drain 430 can require a gradation in size like a funnel. The amount of gradation can depend on the size of the drain 430.
The transport element 435 can be coupled to the leg 440 using one or more securement means 445 to prevent the transport element 435 from being inadvertently moved. The securement means 445 can be implemented in a variety of ways that are commensurate with the leg 440 and transport element 435. The securement means 445 should not exert undue force upon the transport element 435 that the transport element 435 is deformed or its functionality compromised.
In another embodiment, the securement means 445 can be integrated into the leg 440.
The transport element 435 can vary in length, but should be of a length that positions the outlet location 450 near to the ground. An advantage of this embodiment can be the ability to connect the outlet location 450 of the transport element 435 to a suitable container 455. The container 455 can be of any size or shape, providing it has an opening that allows the outlet location 450 to connect to or be placed within.
The use of a container 455 to collect the rain/water from the drainage system can have many benefits. Firstly, the saturation of the ground in the immediate area of the self-draining canopy can be reduced because the rain/water is collected and not discharged. The container 455 can be removed and remotely emptied when full.
Secondly, the collected rain/water can be used. In a camping setting, the collected rain can be treated to become potable drinking water. In a backyard setting, the collected rain can be used to water plants and trees, reducing the amount of water paid for to perform that task.
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