EP2385191A1 - Covering tent with foldable tunnel structure - Google Patents

Covering tent with foldable tunnel structure Download PDF

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Publication number
EP2385191A1
EP2385191A1 EP11165053A EP11165053A EP2385191A1 EP 2385191 A1 EP2385191 A1 EP 2385191A1 EP 11165053 A EP11165053 A EP 11165053A EP 11165053 A EP11165053 A EP 11165053A EP 2385191 A1 EP2385191 A1 EP 2385191A1
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EP
European Patent Office
Prior art keywords
bars
arcade
tent
arcades
skeleton
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.)
Withdrawn
Application number
EP11165053A
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German (de)
English (en)
French (fr)
Inventor
Carlo Baldussi
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Individual
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Individual
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Filing date
Publication date
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Publication of EP2385191A1 publication Critical patent/EP2385191A1/en
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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
    • E04H15/00—Tents or canopies, in general
    • E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
    • E04H15/34—Supporting means, e.g. frames
    • E04H15/44—Supporting means, e.g. frames collapsible, e.g. breakdown type
    • E04H15/48—Supporting means, e.g. frames collapsible, e.g. breakdown type foldable, i.e. having pivoted or hinged means

Definitions

  • the present invention concerns a cover tent, typically a camping tent, equipped with a folding skeleton structure.
  • a cover tent typically a camping tent
  • a folding skeleton structure typically a folding tunnel-shaped tent.
  • tents have a typical central symmetry, since the support poles extend from a common central body. Typical examples of such tents are disclosed in US 5,361,794 , US 2,799,286 .
  • the problem at the base of the invention is hence to propose a tent structure not having a central symmetry, which overcomes existing difficulties; in particular, it is wished to provide a very compact tent once folded, having a longitudinal development but at the same time capable of reaching a remarkable size in a deployed condition, without becoming loose or yielding; such tent must be able to house a large number of people and allow changing of state from a folded condition to the deployed condition in a quick and easy manner.
  • a cover tent of the type comprising a bearing skeleton frame, which forms a tunnel-like structure, consisting of a plurality of arcades which develop into parallel vertical planes, and of strut elements or arcade-spacing elements, at least one cover canvas being associated with said skeleton, the skeleton elements consisting of mutually coupled bars, wherein each of the arcades of said skeleton consists of a plurality of arcade bars, mutually connected by arcade hinge means equipped with locking portions, said strut elements consist of a plurality of connecting bars, oriented parallel to the tunnel axis and running between each pair of adjacent arcades, each of said connecting bars consists of a pair of half-bars, hinged one to the other and to the respective arcade bars by articulated hinge means provided with locking portions, and said arcade hinge means allow a rotation around an axis parallel to the longitudinal axis of the tunnel, at least part of said articulated hinge means enabling a rotation around an axis perpendic
  • fig. 1 shows the skeleton of a tent according to the invention, of the well-known type having a generally polygonal-section, tunnel-shaped configuration, extended in a longitudinal direction.
  • the tent consists of three subsequent sections, aligned along a rectilinear ridge line coinciding with the longitudinal axis X-X of the tunnel.
  • the skeleton shown here may form a complete tent, or even a tent "module”, in the sense that the complete tent may consist of several of these modules, aligned along the X-X axis and mutually joined.
  • a cover canvas is applied to the tent skeleton, which canvas can be mounted resting above the skeleton or, preferably (as will be shown in the following), suspended, depending on the specific mounting requirements; it is of course possible to provide - in a manner known per se - a pair of canvases, one anchored suspended within the skeleton and the other one - typically a waterproof cover - applied resting outside the skeleton.
  • the frame skeleton has at least one canvas suspended internally, the generic fastening mode of which will be described below.
  • the skeleton shown in fig. 1 is accomplished by means of bars having high mechanical resistance; in general these are bars consisting of metal tubular elements, for example of aluminium alloy or of plastic material, but any other type of bar may be employed here, for example bars of fibre-reinforced composite material.
  • the bars are divided - according to their functions - into arcade bars 1, 2, 3, 4 and 5, belonging to a same transversal section, and into connecting bars 6, 7, 8, 9 and 10 aligned with the longitudinal axis of the tent.
  • the connecting bars are arranged in correspondence of each vertex of the arcade structure, i.e. where said arcade changes inclination, including the ground touching vertex.
  • Tent section S1 is the longitudinal space between head arcade 1, 2, 3, 4 and 5 and subsequent arcade 1a, 2a, 3a, 4a and 5a, and these two arcades are mutually connected by connecting bars 6, 7, 8, 9 and 10.
  • Tent section S2 is the longitudinal space between arcade 1a, 2a, 3a, 4a and 5a and arcade 1b, 2b, 3b, 4b and 5b, and these two arcades are mutually connected by connecting bars 6a, 7a, 8a, 9a and 10a.
  • tent section S3 is the longitudinal space between arcade 1b, 2b, 3b, 4b and 5b and tail arcade 1c, 2c, 3c, 4c and 5c, and these two arcades are mutually connected by connecting bars 6b, 7b, 8b, 9b and 10b.
  • any reference to arcade bars 1, 2, 3, 4, 5 and to connecting bars 6, 7, 8, 9 and 10 is to be considered valid also for the arcade bars and connecting bars characterised by indexes "a", "b” and "c", unless different specific indication is given.
  • arcade bars are connected one to the other by hinge assemblies, in the following called “arcade hinges”: an arcade hinge 11 is provided for connecting base bar 1 to slope bar 2 and an arcade hinge 12 is provided for connecting second slope bar 3 to second base bar 4; moreover, a pair of arcade hinges 13 and 13a are provided for connecting ridge bar 5 with slope bars 2 and 3, respectively.
  • Ridge bar 5 in actual fact, as can clearly be seen from the drawings, is shaped as a short terminal bridge, suited to determine a connection element between two slope bars 2, 3 of the arcade, extending on the same plane, and a connecting rod 8 extending perpendicularly in the direction of longitudinal axis X-X'.
  • all the arcade hinges provide a horizontal pivot axis, i.e. parallel to longitudinal axis X-X, which allows an outward rotation of the respective bars in a vertical plane (i.e. the arcade plane), as better described in the following also with reference to figs. 4 and 4A .
  • all the connecting bars are divided into two mutually articulated portions, called half-bars.
  • the two half-bars of each connecting bar are articulated to each other as well as - by their other end - to the respective arcade bars.
  • joint hinges These articulation hinges of the bars are referred to in the following as "joint hinges".
  • the bar 6 which connects the first and second arcade, in correspondence of the respective bases, i.e. of the ground foot of base bars 1 and 1a, is equipped with joint hinges 14, 15, at the ends thereof, and with a central joint hinge 16 between the two half-bars.
  • joint hinges except the top ones, have an articulation axis perpendicular to the plane defined by the two adjacent arcade bars connected by the respective connecting bars.
  • joint 16 is articulated along an axis perpendicular to the plane defined by the two arcade bars 1 and 1a which the corresponding connecting bar 16 joins.
  • the bar 10 which connects the first and second arcade at the opposite base i.e. in correspondence of the ground foot of base bars 4 and 4a, is equipped with joint hinges 17, 18 at its ends, and with central hinge 19.
  • bar 7 which connects the first and second arcade in correspondence of arcade hinges 11, has an identical configuration to that of bars 6 and 10 and is equipped with an equal number of joint hinges, at its ends and in the middle, which have a rotation axis perpendicular to the plane defined by bars 2 and 2a.
  • bar 9 which connects the first and second arcade in correspondence of arcade hinges 12, has again an identical configuration to that of bars 6 and 10 and is equipped with an equal number of joint hinges, at its ends and in the middle, which have a rotation axis perpendicular to the plane defined by bars 3 and 3a.
  • This feature causes all the connecting half-bars to be capable of being folded one onto the other (i.e. packwise) between two adjacent arcade bars, without extending outside of the plane defined by these latters (see fig. 7 ).
  • the joint hinges of the top bars or ridge bars are articulated around an axis parallel to the plane defined by the adjacent arcade bars.
  • joint 8' of connecting bar 8 is articulated along an axis parallel to the plane defined by the two arcade bridges 5 and 5a. This causes the ridge half-bars to extend, during folding, out of the plane defined by the pairs of bridges 5-5c, as clearly visible in fig. 3 .
  • This configuration in addition to providing excellent compacting during folding, as will be explained below, also allows to correctly fold the cover canvas in case it is left fastened to the skeleton bars, so as to allow an advantageous folding of the skeleton together with the canvas without determining excessive volume bulges which would prevent the correct folding of the tent.
  • Fig. 6 shows, as stated, the detail A of fig. 1 , i.e. the hinge area corresponding to the ground foot of the tent skeleton. In this position all bars 1 - but, similarly, bars 4 - end below in a block unit 21 mounting a freely rotating wheel 22.
  • An attachment 23 for joint hinge 24, 24a is also associated with block unit 21, which attachment mounts connecting bar 6 (and, on the opposite side, connecting bar 10).
  • this hinge 24, 24a is oriented perpendicularly to the axis of bar 6, and also - according to a precise feature of the present invention - perpendicularly to the plane defined by bars 6, 1 and 1a (or 10, 4 and 4a, respectively).
  • Fig. 6 furthermore shows an original suspension hook for a cover canvas T of the tent.
  • the hook is of the opening type, for example provided with a substantially U-shaped, rigid structure 100 and with an elastic closing ring 101.
  • Hook 100 may be applied with a certain play, on one side, to a fastening ring of block unit 21 and, on the other side, to a buckle sewn on cover canvas T.
  • a plurality of these hooks is provided at least at the ground foot of the arcades, for connecting the base portion of a tent canvas.
  • such hooks are provided also along arcade bars and connecting bars, to keep the cover canvas properly suspended and stretched from the skeleton structure.
  • the hook may be arranged also as shown in fig. 6A , i.e. directly across a skeleton bar instead of being constrained to a special ring.
  • Fig. 7 shows in a perspective view the detail B of fig. 1 , i.e. the hinge area between arcade bars 1b and 2b and between these and connecting bars 7a and 7b. In substance two joint hinges are visible at the ends of connecting bars 7a and 7b and an arcade hinge between arcade bars 1b and 2b.
  • Figs. 8 and 9 show the same hinge area in an axial section.
  • the shape illustrated here applies not only to the hinge area between bars 1b, 2b, 7a and 7b, but also to the entire hinge area equivalent thereto, briefly referred to as 11 and 12.
  • the arcade hinge comprises two elements 25a and 25b, forming terminals for the attachment of bars 1b, 2b, and an articulated joint 26; this joint 26 mounts, at the ends thereof, pins 26a and 26b for pivoting the terminals 25a and 25b.
  • terminals 25a and 25b have a shape suitable for cooperating with the ends of articulated joint 26 so as, on the one hand, to allow the free rotation of bars 1b, 2b, when folding, up to the locking position shown in fig. 9 and, on the other hand, to allow the free rotation thereof, when deploying, only up to the locking position shown in fig. 8 , i.e. the position, briefly angled, which determines the configuration of the skeleton arcades, shown in fig. 1 .
  • the articulation hinges according to the invention are constructed so as to have at least one automatic locking position while deploying. Such position is reached by simply bringing into mutual abutment the mutually articulated components, i.e. the two terminals and the middle joint, with no need to actuate locking pins or other tightening means.
  • This makes tent deploying easier, because it does not require an action on the hinges which - especially for those located in a high position - could be very awkward.
  • the hinges between the arcade bars are configured so as to allow an outward folding of the bars, i.e. in an opposite direction to the concavity defined by the arcades.
  • the central joint of the hinges prevents the arcade bars to be folded toward inner side of the tent, while leaving free the opposite movement, which is instead constrained - once the support skeleton has been deployed - by disengageable retaining means which will be illustrated below.
  • terminals 25a and 25b have a beak portion, within which the articulation pin, 26a and 26b, respectively, is housed.
  • the locking position while deploying is determined by the resting of the outer end surfaces of joint 26 against the flaps 25' of beak terminals 25a and 25b; equally, as can be seen in fig. 9 , the locking position while folding is determined by the resting of the tooth-shaped profiles of the inner surface of joint 26 against the head of terminals 25a and 25b.
  • the two bars 1 and 2 base and slope bars, respectively, rotate upwards around block unit 26 (with reference to the tent mounting orientation), i.e. folding one over the other on its respective outer side.
  • Fig. 10 shows, in a perspective view, the detail C of fig. 1 , i.e. the hinge area - generically referred to as 13 or 13a in fig. 1 - between, on one side, bridge-like bar 5c and arcade bars 2, 3 and, on the other side, between bridge-like bar 5c and the top connecting bar 8 of the tent skeleton.
  • Figs. 11 and 12 show the same detail C, but in an axial section: fig. 11 shows the articulation which accomplishes the articulation between bridge-shaped bar 5 and arcade bar 2 (or 3), and fig. 12 shows the articulation between bridge-shaped bar 5 and connecting half-bar 8.
  • Fig. 11 shows both the terminal portion 27a of bar 2, which has the same shape as the terminal 25a of bar 1, and the terminal portion 27b of bridge-shaped bar 5, which has the same shape of one half of articulation joint 26. Between these two portions a type of articulation is hence accomplished which allows, on the one hand, the free rotation of bar 2, upon deploying, until it takes up the oblique position shown in fig. 1 and, on the other hand, the rotation, upon folding, up to the position visible in fig. 9 , for the function better described in the following.
  • Fig. 12 shows instead half-bar 8, which is equipped with a terminal portion 28a which again has the same shape of the beak-shaped terminal 25a of bar 1.
  • This terminal portion 28a is hinged on bar 5 by means of a block unit 28b, equipped with a hinge pin 28.
  • Block unit 28b has in turn a shape similar to one half of articulation joint 26, which matches with the contour of terminal portion 28a to allow a free rotation thereof around pin 28, on an arc angle limited to about 90°; and precisely a rotation limited between an deployed-tent position wherein half-bars 8 are aligned horizontally, and a folded-tent position, wherein the half-bars 8 are brought into a vertical upright orientation by rotating them upwards with respect to pin 28 (position of fig. 3 ).
  • the block unit is fastened to bar 5 by means of a support tie rod (not shown).
  • fig. 13 shows, in a perspective view, the detail D of fig. 1 , i.e. the central hinge area between connecting half-bars 6, 7, 8, 9, 10; the detail D refers to top bar 8 of the tent skeleton, but it is clear that the arrangement shown here refers to all the top hinges of all half-bars 8.
  • Fig. 14 shows the same hinge as detail D, but in a section view along to the axis of the two half-bars.
  • each of the two half-bars 8 is equipped with fully identical terminals 29a and 29b, but which are mirror-like symmetrical to the terminals 28a of fig. 12 and which are apt to rotate around the pins 30a and 30b of an articulation joint 30.
  • This articulation joint 30 is roughly similar to articulation joint 26; however, it is meant to operate in a substantially opposite way to joint 28a, 28b, in the sense that it also allows a free rotation of half-bars 8 on an arc angle limited to about 90° but, more precisely, a rotation limited between an deployed-tent condition wherein the two half-bars 8 are aligned on the same axis, and a folded-tent condition wherein the two half-bars 8 are brought to be adjacent and parallel (i.e. folded one on top of the other) with downward rotation with respect to pins 30a and 30b, i.e. adjacent on their respective inner side.
  • the stabilisation of the bar structure can be achieved by disengageable retaining means in the shape of tensioning ropes or wires.
  • a main series of tensioning wires is provided for mutually constraining the two base ends or resting ends of each arcade: these ropes prevent the moving away of the base bars and hence a collapsing of the structure in the direction allowed by the hinge means.
  • a second series of tensioning wires is preferably provided in each intermediate section - i.e. between one arcade and the next - for mutually connecting the various intermediate articulation hinges. Hinge connection can be achieved by connecting the wires or ropes to special eyelets or through-holes provided on the block body of each hinge.
  • the tensioning wires are left unattached (or loose) in the folded condition of the skeleton, while they are constrained well after having fully deployed the tent, to avoid an undesired collapsing of the skeleton.
  • the tensioning means may consist of a so-called tent bottom, i.e. a usually waterproof base canvas which acts as insulating barrier to the ground.
  • the tent bottom possibly strengthened by crosswise filaments, is fastened to the base portion of the arcade bars and prevents the outward spreading apart thereof.
  • the tent bottom may be permanently fastened to the arcade bars or it may be of a disengageable and removable type or else be an integral part of the tent canvas.
  • Figure 2 shows a first folding step, with respect to the full unfolding of the tent ( fig. 1 ), wherein the various arcades are brought closer together, with a movement along the X-X' axis.
  • the hinges 11, 12, 13 and 13a of the arcade bars remain fixed in order to preserve the arcade shape, while the hinges of all connecting bars 6, 7, 8, 9, 10 are free to rotate.
  • the moving closer of the various arcades to one another is aided by the presence of the wheels at the base ends, which glide on the ground.
  • the moving closer of the various arcades is produced by folding the connecting half-bars, in particular the top bars, the intermediate hinge of which is lifted upwards ( fig. 15A ): in other words, the arcades are moved closer by folding one on the other the two half-bars of each one of the connecting bars 6, 7, 8, 9 e 10, due to the rotation of the intermediate and terminal hinges thereof.
  • the folding movement occurs around the axes of these hinges which - as already mentioned - are arranged so as to keep the connecting bars 6, 7, 9 and 10 in the same plane defined by the adjacent arcade bars.
  • the pairs of top half-bars 8 fold one on the other, protruding perpendicularly from the plane defined by adjacent bridges 5, in the way visible in figs. 2 and 3 .
  • the arcades are moved closer to each other and the top connecting bars protrude from the contour of the arcades determining a generically Y-shaped figure.
  • the intermediate hinge of the top half-bars 8 is preferably pushed upwards by acting from within the tent with a manoeuvring rod tool.
  • the cover canvas - if kept fastened to the frame - remains also folded, with the forming of loops, between one arcade and the next, which remain flaglike - retained by top bar 8, above the arcade bars.
  • the arcade bars are caused to rotate fully outwards, in the directions shown by the arrows F of figs. 3 and 4 , so as to cause the same to converge towards the central area of top bars 8 (see also fig. 4A ).
  • the arcade bars are rotated upwards - in a clockwise direction for bars 1, 2, and in an anti-clockwise direction for bars 3, 4, with respect to the drawing of figs. 4 and 4A .
  • the second folding step occurs in turn in two steps, first up to an intermediate position (as shown on the left hand side, with respect to the drawing, of figure 4A , as well as in fig. 15E ) and subsequently until the base ends or support ends of bars 4 (i.e. the ends equipped with wheels 22) engage with the space left free between hinges 13 and 13a and the folded half-bars 8 (as clearly visible on the right-hand side of figure 4A ).
  • the deploying step is better illustrated also with reference to an improved embodiment of the invention, illustrated in the sequence of figs. 16A-16K .
  • the folded skeleton pack is placed on the ground ( fig. 16-A ).
  • the connecting half-bars in the proximity of the base of the arcades are kept coupled with the base bars of the adjacent arcades through an engagement bridge 30: thereby the bar pack is more stable.
  • a spreading apart of the pair of mutually associated bars 1-2 and 3-4, respectively, is performed, causing them to rotate all together in opposite directions (for example in a clockwise direction, or arrow F' on the right-hand side of fig. 4 , for bars 3-4); then a further spreading apart of bars 1 from bars 2 and of bars 3 from bars 4, respectively, is performed to move them away from one another (anticlockwise, or arrow F' on the left-hand side of fig. 4 ).
  • Fig. 16B shows an intermediate situation.
  • a facilitation in the reconstruction of the arcades i.e. in the correct positioning of the arcade bars, is given by the special shape of hinges 11, 12, 13 and 13a, which comprise rotation-limiting means.
  • hinges 11, 12, 13 and 13a which comprise rotation-limiting means.
  • the tensioning wires are constrained (retaining means) at the support or base ends ( fig. 16D ), to prevent a closing again of the arcades. Then the arcade group is arranged in an upright position, so that the base ends equipped with wheels 22 rest on the ground.
  • the frame structure is fully deployed and stabilised and can be further constrained to the ground with standard stakes.
  • the tent canvas which is hung below the skeleton.
  • the base or bottom of the canvas is fastened to the base ends of the skeleton ( fig. 16G ).
  • the constraint points of the canvas are fastened to three suspension vertexes, i.e. to the top vertex and to the vertexes between the base bars and the slope bars of each individual arcade ( fig. 16H ), until the entire tent canvas is correctly lifted ( fig. 16K ).
  • a constraint string 40 runs on small pulleys, mounted idle on the arcade bars (with rotation spindles which run through the bars, so that the pulleys are housed, at least partly, within the tubular element of each bar) and descending downwards with respective loops in correspondence of the three arcade vertexes.
  • Rope 40 runs outside a base bar, through the arcade structure running on two small idle guide wheels 41 and 42 and builds a loop on the inside of the arcade, i.e.
  • rope 40 enters again the other slope bar, running on small pulleys 46, 47 and 48, until it comes out with a third vertex loop. Then the rope crosses again the frame structure, running on small pulleys 49 and 50, running again to the outside of the base bar, where it can be easily handled by an operator.
  • At least one small pulley is provided at each end of the bar elements, so as to correctly guide the forming of the three loops, as well as an additional pulley where the rope crosses the frame structure from side to side (i.e. in the proximity of the upper end of the two base bars).
  • the rope is sufficiently long to be able to form wide loops which extend up to a height next to the ground, where an operator can easily fasten the suspension points (for example snap hooks) of the tent canvas.
  • the rope can be mounted by a fixed end to a base bar, while by the opposite end, slackenable or haulable taut with the help of winding bollards or other stopping clamp integral with the frame structure.
  • the small pulleys defining the rope loops be mounted idle on pivoting rotation axes; in other words, the axes of the small pulleys are not rigidly oriented orthogonally to the lying plane of the arcade, but have a freedom of orientation about the longitudinal axis of the bars they are applied to.
  • the small pulleys are mounted on sleeves applied externally to tubular bars, so that each sleeve may rotate freely on the cylindrical surface of the tubular bar.
  • cover structure may be advantageously employed as a shelter for other uses, such as shelter for equipment, gazebo or a greenhouse tunnel for agricultural crops.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Tents Or Canopies (AREA)
EP11165053A 2010-05-06 2011-05-06 Covering tent with foldable tunnel structure Withdrawn EP2385191A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000809A ITMI20100809A1 (it) 2010-05-06 2010-05-06 Tenda di copertura a tunnel ripiegabile.

Publications (1)

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EP2385191A1 true EP2385191A1 (en) 2011-11-09

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EP (1) EP2385191A1 (it)
IT (1) ITMI20100809A1 (it)

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US9637947B2 (en) 2014-09-15 2017-05-02 Shelterlogic Corp. Erectable shelter structures and methods of assembly and disassembly
WO2017127920A1 (en) 2016-01-26 2017-08-03 Weatherhaven Global Resources Ltd. Rapidly deployable modular shelter system
US11746555B2 (en) 2016-01-26 2023-09-05 Weatherhaven Global Resources Ltd. Rapidly deployable modular shelter system
US10794080B2 (en) 2016-01-26 2020-10-06 Weatherhaven Global Resources Ltd. Rapidly deployable modular shelter system
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WO2015075367A1 (fr) * 2013-11-21 2015-05-28 Becher Stp Structure modulaire pliable pour tente ou abris similaire à montage rapide
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