EP3233218B1 - Structure de mini-trampoline - Google Patents

Structure de mini-trampoline Download PDF

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Publication number
EP3233218B1
EP3233218B1 EP15817152.0A EP15817152A EP3233218B1 EP 3233218 B1 EP3233218 B1 EP 3233218B1 EP 15817152 A EP15817152 A EP 15817152A EP 3233218 B1 EP3233218 B1 EP 3233218B1
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EP
European Patent Office
Prior art keywords
locking
leg
stop
locking element
frame structure
Prior art date
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Active
Application number
EP15817152.0A
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German (de)
English (en)
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EP3233218A1 (fr
Inventor
Christian Mehr
Erwin BISANG
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Angehrn AG Umformtechnik
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Angehrn AG Umformtechnik
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Publication of EP3233218A1 publication Critical patent/EP3233218A1/fr
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B5/00—Apparatus for jumping
    • A63B5/11—Trampolines
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2210/00—Space saving
    • A63B2210/50—Size reducing arrangements for stowing or transport
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B5/00—Apparatus for jumping
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B5/00—Apparatus for jumping
    • A63B5/08—Spring-boards
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B5/00—Apparatus for jumping
    • A63B5/12—Bolster vaulting apparatus, e.g. horses, bucks, tables
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B5/00—Apparatus for jumping
    • A63B5/16—Training devices for jumping; Devices for balloon-jumping; Jumping aids

Definitions

  • the present invention relates to a frame construction for a mini trampoline and a mini trampoline comprising such a frame construction.
  • trampoline offers two fundamentally different types of equipment, which differ greatly in terms of their requirements, application and construction. These are on the one hand leisure, garden and sports trampolines and on the other hand health, rehab or mini trampolines (also called rebounders).
  • Mini trampolines in the sense of the present invention are usually offered with a diameter of 100 centimeters to 150 centimeters. Your jumping mat is positioned 20 centimeters to 35 centimeters above the solid floor. Such devices are used to achieve positive impulses for personal health promotion, relaxation and for physiotherapeutic exercises. The type of use can be described as seesawing, swinging and light jumping. Usually the feet stay close to the mat level - i.e. Mini trampolines are designed for maximum jumping heights of 10 centimeters to 40 centimeters. During normal use, peak loads in the range of 2.5 to 3.5 times the gravitational acceleration result.
  • Mini trampolines are mostly used at home or in rooms. They are often set up or moved several times a day. This application requirement results in the need for lightweight, yet stable constructions. The weight of mini trampolines should not exceed 10-15 kg, otherwise the customer benefit is clearly limited. Mini trampolines are almost always delivered assembled. Optimal benefit would mean that the devices function practically noiselessly because noises distract from the focus on the posture and thus weaken the preventive-therapeutic benefit.
  • the chassis frames of mini trampolines with legs have been constructed in the same way for decades: a ring is bent from a steel tube, the end sections are cut to length and firmly connected with an orbital weld seam. To assemble the legs, elements of screw or plug connections or folding mechanisms are attached to the ring.
  • Mini trampolines are known today in which the legs are attached by means of screw connections.
  • threaded sockets are welded onto the frame and corresponding threads are cut into the leg tubes.
  • constructions of this type are susceptible to damage (experience has shown that users often drop legs when screwing in and unscrewing, which leads to damage to the threads on the leg tube). Damaged threads lead to even faster wear of the connection and thus to wobbling and rattling of the legs.
  • Design variants with screwed-on instead of welded-on connection elements for the legs tend to wear out more quickly in the connection zones when used as intended.
  • the connection of the interlocked elements deteriorates with increasing use and the legs wiggle under load. Such devices lose their original vibration quality after a short time and thus a large part of their usefulness.
  • Another common construction form uses upside-down U-shaped elements, for example two legs connected with an integrated web, whereby two legs come to stand next to each other and are joined together to form a 4- to 8-sided structure.
  • the webs then form the frame for the jumping mat.
  • sockets are usually welded to the frame tube. These are slotted in the middle.
  • a guide rod is mounted in the slot on an axis of rotation. The opposite end of the guide rods is anchored in the tube of the leg with the help of a snap ring.
  • a spring is used to press or pull the leg against the frame or the connecting piece when folded or unfolded.
  • the slotted sockets usually have extremely sharp edges due to the manufacturing method. This product characteristic has already resulted in several serious cuts and property damage to floors and furniture.
  • the US 2010/240496 A1 shows a frame construction for a trampoline of usual size with nodes, internodes and legs according to the preamble of claim 1.
  • the WO 2008/029170 A1 shows a further frame construction for a trampoline of usual size with a safety net.
  • the US 2012/289379 A1 shows a further frame construction for a trampoline of usual size with a safety net.
  • the WO 2009/098324 shows another frame construction for a trampoline of usual size with a comprehensive safety net.
  • outward folding legs are proposed and, on the other hand, legs connected in one piece to the nodes, which are provided with cover plates on their outside and on their inside for stabilization.
  • the frame construction should be stable, material-saving and cost-efficient. It should be quiet during use and reduce the risk of personal injury and property damage when operating / clearing away.
  • a frame construction for a mini trampoline which comprises at least three nodes, at least three elongated internodes and a multiplicity of legs, two of the internodes each being associated with end sections and firmly connected to one another via one of the nodes, so that one is preferably round at least in sections , closed and essentially in a main plane frame is formed. Each leg is attached directly to one of the nodes. All nodes are designed as wide-leg nodes.
  • Breitbein nodes are deformed in such a way that they extend outwards from the internodes or from the frame construction parallel to the main plane and preferably towards the respective leg, so that the legs, which are attached to the nodes, are positioned outwards with respect to the frame , This results in a wider stand of the mini trampoline, which reduces the risk of tipping particularly advantageously for exercises with high transverse forces and also enables the mini trampoline to be stacked with the legs attached
  • the invention is based on the knowledge that a modular structure of nodes and internodes with legs, which are attached to the nodes, enables an optimal frame construction for a mini trampoline, which offers efficient assembly and a sustained high vibration quality. So that's the one here proposed construction superior to conventional frames due to greater user comfort and it also has a significantly higher stability.
  • nodes is to be understood to mean functional connecting elements or nodes on which frame segments, i.e. the internodes, and the legs are attachable.
  • the nodes are part of the trampoline frame.
  • the nodes can have different shapes, from spherical to ellipsoidal to deformed convex bodies.
  • the node, in particular the simple ball knot can be manufactured inexpensively as an injection molded, turned or forged part. This enables the production of a stable, low-cost device.
  • internodes are to be understood as elongated frame segments which can be straight, curved or angled.
  • the frame elements can be solid or hollow profiles. Pipe sections are preferred.
  • Cross-sections of the internodes can be round, preferably circular, or polygonal, preferably regularly polygonal.
  • the internodes define the frame shape and span the main level.
  • the shape of the frame can be circular, oblong-oval, polygonal or a mixture of these. It goes without saying that internodes of various shapes can be put together to form a frame according to customer requirements.
  • the length of the internodes can be kept relatively short.
  • the individual internodes can be 1/4 to 1/8, in particular 1/5 to 1/6, of the total circumference of the frame.
  • pipe segments in particular can be produced with minimal loss of material.
  • a mini trampoline preferably has a maximum inner diameter of the frame structure in the main plane in the range from 80 centimeters to 200 centimeters, preferably in the range from 100 centimeters to 160 centimeters. This inner diameter allows a swing mat, which is optimal for intended swinging on the mini trampoline.
  • Val devices ideally 140 x 220 centimeters - they are preferably used to allow severely handicapped patients to experience relaxing, muscular stimulation during therapy, e.g. paraplegics, quadriplegics).
  • the legs are preferably essentially straight cylinder sections, preferably with a circular cross section. However, the cross section can also be round, oval, partially round or polygonal.
  • the ends of the legs preferably each have a foot, for example made of rubber, in order to avoid slipping on the floor and noise during use.
  • the length of the legs of a mini trampoline perpendicular to the main plane is preferably in the range from 15 centimeters to 40 centimeters, in particular from 20 Centimeters to 30 centimeters. This leg length allows sufficient swing cloth movement for the intended swinging on the mini trampoline and helps to keep the total weight of the mini trampoline low.
  • Dimensions and materials of the frame structure are preferably selected so that a weight of the frame structure is less than 18 kg, preferably less than 16 kg, in particular less than 15 kg (ideally 10-12 kg). Since a mini trampoline should be set up easily and stowed away again after use, such a limitation in dimensions and / or weight is advantageous.
  • the nodes are essentially solid bodies. Due to the size of the mini trampoline and the associated frame construction, the massive design offers optimal stability.
  • the internodes are preferably designed as tube sections. This allows simple and inexpensive production.
  • a maximum node diameter perpendicular to the main surface is preferably larger than a maximum internode diameter perpendicular to the main surface.
  • the nodes are therefore preferably nodes, which stand out slightly above the internodes when the frame is assembled.
  • the nodes are preferably designed as convex bodies, particularly preferably as rotational bodies, in particular essentially spherical.
  • the nodes are preferably provided with a first part of a fastening device and the legs with a second part of the fastening device for fastening one of the legs to one of the nodes.
  • the fastening device can include an integrated screw, bayonet, plug-in and / or other coupling options.
  • the fastening device is preferably designed in such a way that a connecting axis of the fastening device, along which said leg and sodium can be connected, runs essentially perpendicular to the main plane. As a result, transverse forces acting on the fastening device can be minimized, since a main force direction runs essentially parallel to the direction of gravity, which improves the longevity of the mini trampoline while optimally maintaining the vibration quality.
  • the fastening device is an engagement connection and the one of the first or second parts of the fastening device comprises a distally tapered cone section with a free one End, the other of the first or second parts comprises a corresponding depression or depression widening conically outwards.
  • An engagement recess preferably a threaded hole, is let into the free end of the cone section.
  • An engagement element preferably a threaded bolt, corresponding to the engagement recess is arranged in the depression.
  • the engaging element and the engaging recess are thus complementarily shaped and designed for mutual engagement.
  • the engaging element that is to say in particular the threaded bolt, is preferably completely sunk into the recess.
  • the engagement element can extend as far as a mouth surface of the depression or can be completely sunk in the depression. Because of this arrangement in the recess, the engaging element is surrounded on all sides by a wall of the cone section and is optimally protected against damaging mechanical effects, for example against impact or falling damage.
  • the cone geometry also ensures optimal alignment of the legs and optimal pressure absorption during use, since an axis of the cone connection is parallel to the use-related force effect between the frame and legs.
  • the cone of the cone connection can be covered by means of an additional material layer, in particular by means of a cap.
  • the material layer is an intermediate layer between the cone surface and the walls of the nodium forming the recess for the cone. The material layer prevents the cone from biting into the walls, making the cone connection optimally detachable. The material layer also secures the connection against unintentional loosening and minimizes noise during use.
  • the material layer can cover the entire outer surface of the cone.
  • a top surface of the cone is also covered by this material layer.
  • the cap has an additional flange structure and is designed such that the entire contact area between the node and the leg is covered by the cap.
  • the material layer can in particular consist of plastic.
  • the material layer is preferably a one-piece element.
  • the nodes preferably each have two protrusions which protrude opposite one another and run in the main plane.
  • These neck-shaped projections are cylindrical and can be straight or curved be trained.
  • the nozzles are preferably angled or curved in such a way that they are adapted to any curvature of the corresponding internode section into which the nozzles are respectively inserted.
  • This is advantageous because with an adapted curvature, that is to say when the connecting piece and the associated internode section have the same curvature, a contact area between the two components is maximized and an optimal and, in particular, precisely fitting connection is possible.
  • a precisely fitting connection optimizes, for example, a possible adhesive connection between the sodium and the internode, in particular this leads to a harmonization of the adhesive layer thickness over the adhesive surface.
  • the contact area between the sodium and the folding leg can be improved by applying at least one layer of material.
  • a plastic coating can be applied to the protrusions or pressed into the recess in the leg for receiving the protrusions.
  • the leg is thus guided on a sliding position, which optimizes the rotary movement, the bearing precision and the durability of the pivot bearing.
  • an improved pivot bearing function and protection of the respective contact surfaces can be achieved.
  • the material layer results in greater blocking precision when the folding leg is folded in and out, so the blocked folding leg does not rattle.
  • the material layer can consist of plastic or metal.
  • the material layer is preferably provided as a molded part.
  • the internodes can each be provided with a recess on the associated end sections, which recesses are now designed such that one of the said projections can be inserted there with a precise fit. It is particularly advantageous if each projection engages with a precise fit in the corresponding internode over at least a maximum frame thickness, in particular over at least 2 centimeters, preferably over at least 3 centimeters or more, with preferably flat contact. Deep contact increases the contact area between the two elements, which further stabilizes the connection. In addition, the internode can then be pushed over the nozzle to the nodule body, which reduces the risk of injury and looks optically appealing.
  • a preferred embodiment variant provides for the lateral connecting pieces on the node to be designed in a geometric shape that is unambiguous Positioning is made easier and any material or processing-related irregularities on the internode end pieces are caught.
  • preformed adapter pieces can be inserted into the internodes on both sides in the radius of the internodes and fixed in place by gluing, welding, deforming or combinations of these fastening techniques in the interior of the internode end sections assigned to the sodium.
  • the adapter pieces can be made longer than the lateral connecting pieces of the node.
  • the interior of the adapter parts has cutouts that correspond to the selected geometric shape of the lateral connecting pieces.
  • Spigots and recesses can be designed, for example, as harmonic triangular, quadrangular or polygonal polygons, as multi-tooth profiles or spline profiles.
  • the nodes and internodes are preferably firmly, preferably areally connected to one another by means of gluing, welding, clamping, deforming or riveting or a combination of gluing, welding, clamping, deforming and riveting.
  • the internodes are therefore preferably placed on the projections.
  • the projections can also have receptacles into which the end sections of the internodes can be inserted.
  • This connector can also be formed by conical counterparts.
  • This node-internode structure results in a cost-effective frame construction with increased stability, which has an optimal effect on the vibration quality of the mini trampoline.
  • the fast assembly process and the variability of the nodes (leg and operating forms) and the internodes facilitate just-in-time production according to the customer's configuration requirements. Compared to the current situation, substantial cost and storage space savings can be achieved.
  • the trampoline legs are designed as folding legs.
  • Such a construction offers the advantage that the folding legs can be pivoted from a folded-out position into a folded-in position, which advantageously reduces the storage space requirement.
  • the folding legs can be set outwards in relation to the frame in the unfolded position, so have a wide-leg design.
  • the folding leg can be bent in the area close to the frame, which enables a wider stand. Due to the pivotability of the folding leg, an expansion of the frame construction along the main plane can be reduced essentially to the frame diameter by folding the legs in spite of the wide leg geometry.
  • the folding option offers a quick alternative to removing the screwed-on trampoline legs by lifting the attachment between the sodium and the leg to stow the trampoline.
  • the legs do not have to be stored separately and cannot be lost.
  • all legs are pivotally mounted about a pivot axis along a pivoting movement between a fold-out and a fold-in position on the node.
  • the node has a first outer rotation stop and the leg has a corresponding second outer rotation stop.
  • the first and second outer rotation stops define the fold-out position of the leg when they strike each other.
  • each node additionally has a first inner rotation stop and the corresponding leg preferably has a corresponding second inner rotation stop, the first and second inner rotation stops defining the folding position of the leg when struck against one another.
  • the fold-out position is advantageously selected such that the trampoline leg at least in the region of the free end of the leg, i.e. of the bottom end, essentially perpendicular to the main plane of the trampoline frame.
  • a retracted position is ideally chosen so that the free end of the leg is folded inwards and is close to the fly mat, which is essentially in the main plane.
  • a folding mechanism in which the pivot axis runs through a frame cross-sectional center of the pivotable leg is particularly preferred.
  • the pivot point of the folding leg can thus be integrated into the frame to save space, preferably placed in the center of the node and internode cross-section.
  • a leg element that is continuous in the longitudinal direction can be used, which has an advantageous effect on stability, vibration quality and operational safety, in particular also with regard to the risk of crushing.
  • the nodes can be designed as swivel joints. This also avoids annoying rattling noises that occur during the use of conventional devices and with the Total wobbling movements due to a multi-part leg. Disturbing noises and instability particularly impair the focus on the user's posture and thus reduce the therapeutic benefits.
  • the rotating nodine proposed here thus enables a particularly low-noise folding solution with a stable stand and space-saving clearing properties.
  • the ease of use of the folding mechanism is optimized for one-handed use, at the same time the frame construction is quiet during use and the risk of personal injury and property damage when operating / clearing away is minimized.
  • the frame construction can therefore comprise a locking element which is mounted displaceably on the leg or on the nod along a locking movement running essentially perpendicular to the pivot axis between a release position and a locking position.
  • This locking element is designed to securely lock the trampoline leg at least in the unfolded position.
  • the locking element blocks the pivoting movement in the locking position and releases it again in the release position.
  • the locking element thus acts on the relative mobility between the leg and the sodium and is arranged such that the leg remains stable in the locking position even when used as intended.
  • the locking element is preferably held in the locking position under pretension and can be pressed out of the locking position against the pretension using force.
  • a mechanical compression spring or another pressure medium can be used to generate the preload.
  • tension springs or traction means are also conceivable.
  • a first locking stop is preferably arranged on the node, the first locking stop preferably being the first outer rotational stop of the node. Furthermore, a second locking stop is arranged on the locking element, a contact or pressure surface between the first and the second locking stop being essentially parallel to the locking movement. For example, it can be inclined from 0 ° to 10 ° to the radial direction with respect to the pivot axis. As a result of this orientation, the two stops collide essentially head-on without any transverse forces triggering the movement occurring.
  • an actuating element that can be actuated manually from the outside is provided, which, when actuated, acts on the locking element in such a way that the locking element can be transferred from the locking position into the release position.
  • the actuating element can, in particular, provide a control cam which bears against a pin on the locking element.
  • the arrangement is then preferably designed such that by moving the actuating element, which is preferably designed as a push button, alternatively as a lever or similar, the control cam is pressed along the pin, whereupon the pin makes a movement between the locking and in the direction of the Release position, i.e. away from the swivel axis.
  • the actuating element can itself be preloaded, so that it automatically returns to the starting position after the actuating action and the curve releases the pin.
  • the first locking stop can be arranged on the node and the second locking stop on the locking element in such a way that a mutual contact or pressure surface between the first and the second locking stop is arranged at an angle to the locking movement in such a way that the locking element is pivoted by hand from the locking position can be pushed into the release position.
  • the angular position of the contact surface can be 8 ° to 20 °, in particular 10 ° to the direction of travel of the locking element, that is to say it can be made just below the self-locking slope.
  • These angular pressure surfaces have the effect that part of the torque exerted on the leg is transformed into a force component on the locking element, so that the locking element can be pressed from the locking position into the release position.
  • the leg acts as a lever.
  • a securing element can now be provided in order to secure the locking.
  • a first securing stop on the securing element and a second securing stop on the locking element can be provided.
  • the securing element is then designed and arranged in such a way that it can be moved along a securing movement between a securing position and a release position, the first securing stop being present in the locking movement on the second securing stop when the securing element is in the securing position such that the locking element blocks in the locking position is.
  • the securing element can be moved manually from the outside into the release position, so that Locking element can be released.
  • the securing element can also be pre-tensioned, preferably by a compression spring, so that the securing element automatically moves into the securing position and is held there until the next actuation.
  • the locking element is tapered toward the front, that is to say against the pivot axis, and in the locking position is surrounded by a free space at the end, that is to say against the axis.
  • the locking element is always readjusted automatically in the event of use-related structural damage by the action of pressure to the optimal locking position, so that locking without play is ensured even after prolonged use.
  • the cone or wedge shape has a centering effect on the locking element.
  • the locking mechanism therefore further comprises self-adjusting components which guarantee a largely play-free fixation over a long period of use, when they are folded out, and function silently.
  • the locking mechanisms proposed here thus provide a locking mechanism and offer a high level of operating and user convenience. In particular, they also allow one-handed operation.
  • the present invention further relates to a mini trampoline according to claim 12 with a frame construction as described above, wherein the mini trampoline further comprises essentially in the main plane jumping mat, which is stretched on the frame.
  • the mini trampoline according to the invention is characterized by a persistently high vibration quality due to the long-term freedom from play of the connection points of the stable frame construction.
  • FIG. 1a schematically shows an example of a frame construction 1.
  • the frame construction 1 comprises nodes 2, internodes 4 and legs 5.
  • the internodes 4 are bent tube segments, wherein a node 2 is arranged between two end sections 41, 42 of two internodes 4 assigned to each other is.
  • the nodes 2 are inserted and fastened in an exact fit into the internodes 4, so that an essentially circular frame 10 with legs 5 projecting downwards is formed.
  • the frame 10 defines a main plane H.
  • a frame diameter D R is between 100 centimeters and 200 centimeters.
  • a tube diameter D I of the internodes 4 is 2.5 centimeters to 4 centimeters, preferably about 3 centimeters.
  • One leg 5 is attached to each of the nodes 2.
  • the frame structure 1 has five nodes 2, five internodes 4 and five legs 5. It is understood that 3, 4, 6, 7, 8 or more nodes 2 and internodes 4 can be combined to form a frame 10. Internodes 4 differently curved or shaped can also be used.
  • Figure lb shows an oval embodiment with four quarter-circle internodes 4, two straight internodes 4 and six nodes 2, each with one leg 5.
  • This embodiment is particularly suitable for lying use (ie the person lying down is passively swung by a second person).
  • FIG. 2 shows in perspective an example of a node 2, not according to the invention, in detail.
  • a nodule body 20 of the nodium 2 wraps around a solid cylinder, so that two connecting pieces 21, 22 protrude laterally of the nodium body 20.
  • the nozzles protrude over 2 centimeters to 6 centimeters from the node body 20 and have a diameter of about 2 centimeters to 3.5 centimeters.
  • the connecting pieces 21, 22 are shaped in such a way that they can be inserted into corresponding recesses 43 at free ends of the internodes 4 with a precise fit and completely.
  • the recesses 43 on the internodes 4 are therefore preferably so deep that the respective connector 21, 22 can be completely accommodated.
  • a maximum contact area between connecting piece 21, 22 and internode 4 is possible, which allows a secure connection of the two elements 2, 4.
  • adapter pieces 44 are inserted into the recesses 43 at the free end sections 41, 42 of the internodes 4.
  • An outer surface 440 of the adapter pieces 44 contacts a contact surface 430 delimiting the recess 43.
  • the outer surface 440 and the contact surface 430 are preferably firmly glued.
  • These adapter pieces 44 have at least outwardly open recesses 45 which are shaped corresponding to the sockets 21, 22 to be received.
  • the connecting pieces 21, 22 can be inserted into the cutouts 45 with a precise fit.
  • These cutouts 45 or connecting pieces 21, 22 are preferably shaped in such a way that a non-rotatable and well-defined connection between internode 4 and sodium 2 is made possible.
  • the cutouts 43 or connecting pieces 21, 22 can furthermore have a harmonic triangular, quadrangular or polygonal polygonal shape, a multi-tooth profile or a spline profile as a cross-sectional shape.
  • the cutouts 43 are preferably deeper in the longitudinal direction of the internode 4 than the connecting pieces 21, 22 are long, so that the connecting pieces 21, 22 are completely accommodated in the cutouts.
  • the body 20 after Fig. 2 is elongated downwards and there has a first part 61 of a fastening 6 for fastening the leg 5.
  • the first part 61 has the same cross section as the leg 5 at the free end facing the leg 5. This cross section is preferably circular. Alternatively, it can also be partially round, round or polygonal.
  • a conical depression 66 is provided in the free, lower end of the node body 20.
  • the recess 66 has a circular cross section and tapers towards its depth in such a way that a counter cone 64 of the leg 5 can be inserted with a precise fit.
  • An angle of inclination of the cone 64 can be 5 ° to 10 ° to the longitudinal axis of the cone.
  • An engagement element 67 here a threaded bolt, is countersunk centrally in a center of the recess 66 and is surrounded by the protective body 20 on all sides.
  • the nodal body 20 projects beyond the threaded bolt 67 by 1 millimeter to 5 millimeters, so that the bolt 67 is optimally protected from falling and impact damage from all sides.
  • the threaded bolt 67 with a diameter of 5 millimeters to 12 millimeters runs perpendicular to the longitudinal extension of the connecting pieces 21, 22 and through a central axis A of the connecting pieces 21, 22.
  • the free end of the stud 67 is preferably chamfered.
  • Figures 3 and 4 show a perspective view and a frontal view of the node Fig. 2 with the corresponding leg 5.
  • the leg 5 is a straight piece of pipe and preferably has a stand for ground contact at one end and a second part 62 of the attachment 6 at the other end.
  • the second part 62 of the attachment 6 is provided by the free cone section 64, which is shaped with a precise fit in relation to the recess 66 and thus tapers in the distal direction towards the node 2.
  • an offset 642 is also provided, which is designed such that an edge or an end face 670 of the nodal body 20 can be flush with the outside.
  • the offset 642 and the end face 670 thus have essentially the same outside and the same inside diameter and lie essentially transversely to the longitudinal axis of the leg 5. This ensures an outward transition from the node 2 to the leg 5 to the outside and an optimal lateral movement on the inside Support is needed for good stability.
  • An engagement recess 641 protruding in the longitudinal direction of the leg 5 is recessed at a free end 640 of the cone section 64.
  • the engagement recess 641 runs from the outside in the proximal direction, essentially parallel to the longitudinal direction of the leg 5 in its depth.
  • a wall of the engagement recess 641 or of the cone section 64 preferably has a thickness of at least 2 millimeters to 5 millimeters near its free end 640, increases in the proximal direction and is provided with a thread which corresponds to the thread of the threaded bolt 67.
  • the leg 5 can now be screwed onto the node 2 by a rotary movement, the threaded bolt 67 being screwed into the engagement recess 641 and at the same time pushing the cone section 64 into the recess 66 until Butt the outer surfaces of the sodium body 20 and the leg 5 together.
  • connection axis of the fastening 6 runs parallel to the longitudinal extension of the leg 5, which enables an optimal force transmission and centering between the node 2 and the leg 5 with minimal transverse loading of the threaded connection 67, 641.
  • an encircling groove can be provided on an outer surface of the cone section 64, into which an O-ring 59 is inserted, which protrudes laterally beyond the groove.
  • the outer surface of the cone 64 is covered with an additional material layer. This is in the Figures 23 and 24 shown.
  • Figure 23 shows leg 5 with the cone section 64, the O-ring 59 being inserted into a groove in the upper end region of the cone 64 and the lateral cone surface of the cone 64 being covered with a cap 644.
  • Cap 644 (right in Fig. 23 shown in isolation) has a circumferential flange 645 at the lower end and is designed in such a way that it can be simply plugged or pushed onto the cone 64.
  • the flange 645 facing outward in the manner of a brim is designed in such a way that it comes to rest on the shoulder 643 of the leg 5 and covers it. If the conical connection is now established, the material layer of the cap 644 lies between the leg 5 and the first part 61 of the fastening device 61 (see, for example, Figs. 3, 4 ).
  • Figure 24 shows a cap 644 in a further embodiment without the flange 645.
  • the cap 644 can be used as an alternative or in addition to the O-ring 59 in all embodiments.
  • further surfaces such as the distal end surface at the free end 640, can be covered with a material layer of the cap 644.
  • a cover can be realized, for example, by means of a further flange which is directed inwards like a brim.
  • the material layer of the cap 644 locally prevents direct contact between sodium 2 and leg 5. Due to micro-vibrations during use, sodium 2 can and leg 5, especially if the two elements are of identical material, bite onto one another when no cap 644 is inserted. This could result in high static friction, which is disadvantageous for the dismantling of the legs 5. Material layer 644 can avoid such locally increased static friction between node 2 and leg 5. Such micro-vibrations occur, for example, if the leg 5 is only insufficiently tightened during use of the trampoline. In addition, the material layer 644 can counteract an unwanted loosening of the screw connection, with which the screw connection is secured. Rattling noises can also be reduced by means of the cap 644.
  • the material layer 644 can be molded from plastic, for example.
  • the cap 644 is preferably a one-piece molded part.
  • Figures 5 and 6 show a perspective view and a frontal view of a first embodiment of a node 2, namely a wide-leg node 2, according to the invention.
  • Figure 6 also shows leg 5, as shown in Fig. 4 is shown.
  • the Breitbein-Nodium 2 after Figures 5 and 6 has the same function and structure as the Nodium 2 according to the Figures 3 and 4 with the exception that the free end of the node body 20 is now offset laterally. The lower, free end of the sodium body 20 is thus laterally displaced.
  • the threaded bolt 67 thus no longer runs through the longitudinal axis of the connecting piece 21, 22, but offset by 1 to 8 centimeters, but still essentially perpendicular to the main plane H.
  • the legs 5 are placed outwards with respect to the frame 10 due to the wide-leg design.
  • the status of the frame structure 1 is thus increased, thereby reducing the tendency of the frame structure 1 to tilt.
  • the frame construction 1 can be stacked by raising the legs 5 with the legs 5 mounted, since the legs 5 run offset to the frame 10.
  • Figures 7 and 8 show a perspective view and a frontal view of an example of a spherical sodium 2, not according to the invention.
  • Figure 8 also shows leg 5, as shown in Fig. 4 is shown.
  • the ball-Nodium 2 after Figures 7 and 8 has the same function and structure as the Nodium 2 according to the Figures 3 and 4 with the exception that the nodule body 20 is now essentially spherical.
  • the ball 20 is of course flattened by the material that is removed.
  • a mouth surface of the recess 66 forms the flat side of the ball 20.
  • a diameter D N of the ball 20 is approximately one and a half to twice as large as a diameter of the connecting pieces 21, 22.
  • Figures 9 to 14 show a second embodiment of a node 2 with a pivotable leg 5, according to the invention.
  • Figure 9 shows the leg 5 in a folded-out position and blocked by a locking element 7 according to a first embodiment in a locking position.
  • Figure 10 shows a perspective view of the node 2 with the leg 5 in the situation after Fig. 9 .
  • the swivel leg 5 after Figures 9 to 14 has two parallel leg legs 50.
  • the leg legs 50 are bent in the upper region, so that the leg 5 in the extended position Fig. 9 is placed outwards, which increases the standing width of the frame structure 1 and results in a significantly enlarged total standing area.
  • the legs 50 are mounted rotatably about the connecting pieces 21, 22 on the Node 2 and between an unfolded position Fig. 9 and a collapse position Fig. 14 pivotable inwards against the main plane H.
  • the sockets 21, 22 meanwhile remain rotationally fixed in the respective internodes 4.
  • the locking element 7 is slidably held in a bearing 70 fixedly attached to the legs 50.
  • the locking element 7 is designed as a bolt which is displaceably mounted perpendicular to the pivot axis A of the connecting pieces 21, 22.
  • the locking element 7 is guided in a locking recess 780 which is mounted in the bearing 70 and feeds directly onto the central axis A of the connecting pieces 21, 22.
  • the bolt recess 780 opens into an almost semicircular rotation recess 54 which extends around the connection piece 21, 22 and which is approximately 1 centimeter deep in the radial direction with respect to the central axis A of the connection piece 21, 22 and is also located in the bearing 70.
  • the locking element 7 now lies in the locking recess 780, which is locked away from the sodium, so that a compression spring 78 can be inserted between the locking element 7 and the bottom of the locking recess 780, which partially moves the locking element 7 out of the locking recess 780 into the rotating recess 54 into the locking position to Fig. 9 suppressed.
  • the locking element 7 is thus biased by spring 78.
  • the locking element 7 has an end section 71 which tapers distally towards the free end on the connecting piece side. Links in Fig. 9 this end section 71 has a first locking stop 79, which in Fig. 9 stands to the left in the rotation recess 54.
  • Node 2 also has a cam 23 protruding into partial annular space 54, which approximately fills space 54 in the radial direction.
  • the stop cam 23 which is non-rotatably connected to the connecting pieces 21, 22, moves in the rotation space 54.
  • the cam 23 has a radially in the space 54, to the left in FIG. 9 aligned first inner rotation stop 28.
  • a first outer rotation stop 25 directed to the right is arranged.
  • the partial annular space 54 introduced in the bearing 70 has a second inner rotation stop 58 and the outside has a second outer rotation stop 55.
  • the inner rotational stops 28, 58 define the unfolded position by abutment against one another Fig. 9 and the outer rotation stops 25, 55 by abutting one another after the folding position Fig. 14 ,
  • the folding positions are thus defined by the stop of the cam 23 on the bearing 70, which is part of the leg 5.
  • a circumferential length of the cams 23 and the inner half of the partial annular space 54 are now dimensioned such that the cam 23 present at the first inner stop 58 is also present on the first locking stop 79 of the locking element 7 which is in the locking position.
  • the contact surface between 25 and 79 runs essentially radially, so that the cam 23, even when force is exerted on the leg 5, cannot press the locking element 7 against the force of the compression spring 78 into the locking recess 780.
  • the folding leg 5 is behind Fig. 9 locked securely in the unfolded position.
  • the cam 23 is enclosed, preferably in a cap 230.
  • Figure 25 shows the enclosed cam 23 in a perspective view of the nodule 2
  • Figure 26 shows the Node 2 with the cap 230 in a side view.
  • This cap 230 can be used to optimize the sliding and / or wear properties of the cam 23 moved in the partial annular space 54.
  • the cap 230 can cover a side flank of the cam 23 directed in the running direction of the cam 23.
  • the side flank which is in contact with the locking element 7 when the folding leg 5 is open, can be covered.
  • the cap 230 preferably covers both side flanks in the running direction of the cam 23. It is particularly preferred if the upper side of the cam 23, which is perpendicular to the running direction of the cam 23, is also covered by the cap, as in FIGS Figures 25, 26 shown.
  • the cap 230 can cover the entire cam 23.
  • the cap 230 is preferably shaped in such a way that it can be clamped onto the cam 23 and is stuck there for the intended use.
  • the clamp cap 230 can be pushed onto the cam 23 and is designed such that it clamps on the cam 23 in the end position via a clamping force.
  • the cap 230 can be made of a resilient material, for example.
  • the cap 230 can be made from metal, in particular from steel, preferably from spring steel or spring bronze.
  • Such a cap 230 prevents the cam 23 and its counterpart from jamming on the sodium 2, which is preferably made of aluminum.
  • this counterpart is given by the wall sections of the leg 5 delimiting the partial annular space 54, along which the cam 23 runs.
  • jamming can be caused, for example, by the micro-vibrations that occur during use of the trampoline. In extreme cases, such a jamming can block the mechanics in such a way that normal finger pressure is no longer sufficient to pull the locking cam 23 back at the push of a button in order to enable the folding leg 5 to be folded in or out.
  • the cap 230 helps prevent such jamming.
  • the premature wear of the cam 23 can be avoided by the edging and the sliding properties can be optimized.
  • a material layer 211 (see FIG. Fig. 25 ) be provided.
  • the leg sections 50 (see e.g. Fig. 27, 28 ) can then be pushed onto this material layer 211 and move during the folding processes on the material layer 211.
  • This material layer 211 preferably serves simultaneously as an axial and radial bearing and improves the pivot bearing of the folding leg 5 in several ways. Optimization of the rotary movement, the bearing precision and / or durability of the bearing can be achieved.
  • the material layer 211 can be pressed into both half-shells of the leg 5 or, in another embodiment, can be applied to the connecting pieces 21, 22.
  • the material layer 211 can consist of plastic or metal. It is preferably provided as a one-piece molded part.
  • the material layer 211 has a protective function for the contact surfaces.
  • a leg section 50 which is made of metal, in particular aluminum, can be protected from compression deformation.
  • the material layer 211 also brings about greater blocking precision in the folded-in as well as in the unfolded state of the leg 5, thus reducing the play when the leg 5 is folded in or out.
  • actuating element 8 with a push button 80 is provided.
  • the push button 80 projects through an upper region of the leg 50 (not shown) and can thus be pressed from the outside in the direction of the central axis A of the connecting pieces 21, 22 into a recess 72 of the locking element 7 against the middle of the leg. This is the folding mechanism easy to use with one hand. As in Fig.
  • the actuating element 8 is configured as a beveled cylinder remote from the pushbutton, with a tip of the cylinder lying on the side of the central axis A, so that the inclined surface provides a control curve 81 which engages on a laterally projecting pin 74 of the locking element 7. If the push button 80 is now pressed in the A direction, the curve 81 runs onto the pin 74 and presses it against the force of the spring 78 into the depth of the locking recess 780. As a result, the locking element 7 is pulled out of the rotation space 54, the rotation space 54 is released as in Figures 11 and 12 shown, and the leg 5 can be pivoted.
  • the actuating element 8 can provide two curves 81, which grip two pins 74 arranged opposite one another, so that an inclination of the locking element 7 for jamming when moving is minimized.
  • the locking element 7 springs again against the rotation space 54 and abuts with a distal end 76 (see FIG. Fig. 11 ) on the cam 23, as in Fig. 13 shown.
  • the cam 23 has released the mouth area of the locking recess 780 on its way to the second outer rotational stop 55 and contacts the second outer rotational stop 55 with its first outer rotational stop 25, the locking element 7 can again engage in the partial annular space 54.
  • the push button 80 moves outward along the pin 74 and is ready for a new actuation.
  • the folding leg 5 is rotatable about a center M of the connecting piece 21, 22 or the frame cross section through which the pivot axis A runs.
  • a locking element 7 is presented according to a further type, wherein a securing element 9 is further provided for securing the locking position.
  • an outward pivot leg 5 with legs 50 is proposed. Again, only one leg 50 is shown and the bearing 70 is arranged between the legs 50. In the bearing 70, the bolt recess 780 is provided, which must be correspondingly wider due to the stronger bolt 7.
  • the connecting pieces 21, 22 are again connected in a rotationally fixed manner to the cam 23 engaging in the rotation space 54 of the bearing 70.
  • the inner rotation stops 28, 58 define the fold-out position in an analogous manner by abutment against one another Fig. 15 and the outer rotation stops 25, 55 by abutting one another after the folding position Fig. 21 , Again, the locking element 7 is in the locking position Fig. 15 biased by a compression spring (not shown).
  • the compression spring is now not under the locking element 7 as in Figures 9 to 14 , but in a spring recess 781 in the locking element 7 Figures 15 to 21 accommodated.
  • the compression spring presses again with one end on the bearing 70 and with the other end from the inside against the locking element 7, so that the latter is held in the locking position.
  • the locking element 7 can be brought into the locking recess 780 against the spring force of the compression spring, so that the cam 23 or the leg 5 moves between the positions Figures 15 and 21 is movable.
  • the contact surfaces 25, 79 and 28, 75 are inclined so strongly to the radial direction that the intended, manual pivoting of the leg 5 of the cams 23 is able to build up a transverse force against the pressure direction of the compression spring, so that the leg 5 does not Push button 80 in the sense of Figures 9 to 14 is pivotable as a lever.
  • a securing element 9 is provided.
  • This securing element 9 again comprises a push button (here 90) which projects through the leg 50 (not shown) on one side and can thus be actuated from the outside and engages on a securing plate 91 on the other side.
  • the push button 90 is still in position Fig. 15 biased by a further compression spring and pushable in the A direction to the other leg 50, whereby the plate 91 is displaceable against the middle of the leg.
  • a recess 782 is provided at the end of the locking element 7 remote from the connecting piece, where the opening into the compression spring opening 781 lies.
  • two further locking legs 783, 784 protrude near the leg to the side of the mouth of the compression spring recess 781 and delimit the recess 782 on the leg side.
  • the bolt leg 783 near the push button now acts as a second securing stop 785 with a first securing stop 93 directed against the locking element 7 on the securing plate 91.
  • the locking plate 91 is in the locking position after Fig. 15
  • the locking element 7 is in the locking position on the locking plate 91. So that the locking element 7 can not be moved and the fold-out position after Fig. 15 is save.
  • the securing plate 91 is pressed against the middle of the leg as in FIG Fig. 18 shown displaced, the mutual stop of the first and second securing stops 93, 785 is released and the locking element 7 can be moved by pivoting the leg 5 against the position Fig. 21 about the intermediate position Figure 19 to the retracted position Fig. 21 to be brought.
  • the locking plate 91 then engages in the recess 782, which gives the locking element 7 the necessary travel space.
  • the embodiment according to Figures 9 to 14 can also with another fuse in the sense of the embodiment Figures 15 to 21 be equipped.
  • the leg 5 then has two push buttons 80, 90 (one each in the upper region of the two legs 50).
  • the push button 80 on one side actuates the retraction of the locking element 7, the button 90 on the other side releases the safety mechanism with the first safety stop 93 and thus releases the retraction option.
  • buttons When both buttons are pressed in with thumb and forefinger at the same time, one button 90 (securing component) immediately presses the locking bar 91 with the first securing stop 93 out of the sliding area of the locking element 7. About 2 millimeters to 3 millimeters of press travel should be sufficient here.
  • the first 2 millimeters to 3 millimeters of press travel are preferably "freewheeling" - that is to say the control cam 81 is designed such that the locking element 7 does not yet move on the freewheeling distance.
  • buttons 80, 90 are no longer pressed in, the buttons 80, 90 and the elements of the control and securing mechanism connected to them move back automatically into their starting position due to the action of suitably placed compression springs.
  • both buttons / systems are equipped with smooth-running compression springs.
  • an insert 500 can be inserted into the locking recess 780 in which the locking element 7 runs, which optimizes the movement of the locking element 7 in the locking recess 780.
  • the sliding resistance and the abrasion of the locking element 7 can be reduced, for example, by an insert sheet or a sliding band, the insert at least partially lining the locking recess 780.
  • the insert 500 preferably covers the bottom of the bolt recess 780. However, it is also conceivable that the insert 500 lines the entire transom recess 780 or only its walls without a floor.
  • FIGs 27 and 28 Preferred embodiments of the insert 500 are shown.
  • the leg leg 50 has been shown with broken lines and the Figures 27, 28 show the insert 500 in the installed position in this leg leg 50.
  • This insert 500 after Fig. 27 is inserted into the locking recess 780, in which recess the locking element 7 is moved.
  • This insert 500 can be made from metal, in particular hardened metal, for example from a sliding band made from hardened metal, or from plastic and, as in FIG Figures 27 and 28 shown, contacting the narrow side of the locking element 7, that is to say lying on the bottom side in the channel 780, can be inserted into the channel 780.
  • an extension 786 can be provided in the lower region of the channel 780, which is also provided in the insert 500 as a thickening 501, so that a positive fit is achieved between the thickening 501 of the insert 500 and the leg leg 50, which prevents that the insert 500 moves when the locking element 7 is moved. This is exemplified in Fig. 27 shown.
  • the insert 500 according to the embodiment according to Fig. 27 only extends in channel 780. In a further training after Fig. 28 This insert 500 can extend with first sections 502 into the partial annular space 54 and can be provided there for contacting the axial surfaces of the cam 23.
  • the insert 500 can have second sections 503 adjoining the first sections 502, which limit the partial annular space 54 in the circumferential direction and thus form the rotation stops 55, 58 for the cam 23, as in FIG Fig. 28 shown.
  • second sections 503 adjoining the first sections 502, which limit the partial annular space 54 in the circumferential direction and thus form the rotation stops 55, 58 for the cam 23, as in FIG Fig. 28 shown.
  • the insert 500 can have a further third section 504, as in FIG Fig. 28 shown, extend into the recess in the leg leg 50 for receiving the node 2.
  • the third section 504 preferably connects the first sections 502. It is particularly preferred if the insert 500 completely lines the recess in the leg leg 5 with the first and third sections 502, 504, so that the node 2 is completely surrounded by the insert 500. Depending on the embodiment, the insert 500 can then rest on the material layer 211.
  • the locking element 7, particularly preferably also the cam 23 and advantageously also the node 2 (or the connecting pieces 21, 22) are guided in each case on the insert 500 when the folding leg 5 is opened or folded.
  • the insert 500 optimizes both sliding and wear properties of the folding leg 5.
  • the Figures 29 and 30 show a further embodiment of the locking element 7 and the push button 80.
  • the locking element 7 again has a tapered end section 71 with the oblique stop surfaces 75, 79.
  • the recess 72, into which the push button 80 can be pressed against spring force, is present centrally in the longitudinal direction in the locking element 7.
  • the body of the locking element 7 is made thinner in the region of the recess 72.
  • This thin region 720 is designed in such a way that an inclined support surface 740 is provided on both sides of the locking element 7, which cooperates with an inclined counter surface 81 of the push button 80 (see FIG. Figures 29, 30 ) that the movement of the push button 80 running transversely to the longitudinal direction of the leg 5 is deflected into a movement of the locking element 7 running along the leg 5.
  • the inclined support surface 740 as in FIG Fig. 29 shown, i.e. represents a ramp or inclined sliding surface on which the linear in and out of the recess 72 runs push button 80 along and so moves the locking element 7 over the inclined surface 740 in the longitudinal direction of the leg 5, as in connection with the Figures 10 and 12 has been described.
  • the push button 80 has a slot-shaped recess 82 into which the counter surfaces 81 are incorporated.
  • the Fig. 30 directed.
  • the in Fig. 30 the section of the slot 82 located at the top is so wide that the push button 80 clings to the thin region 720 on both sides, the in FIG Fig. 30 the section of the slot 82 located at the bottom is widened via a step 81 such that this lower part of the slot 82 can be pushed over the lower thick area 721 of the locking element 7.
  • the flat inclined surface 81 comes to lie on the oppositely shaped ramp-like support surface 740 when the pushbutton 80 is linearly displaced via the locking element 7, which causes said movement deflection.
  • the Figures 31 and 32 show a further embodiment of the locking element 7 and the push button 80.
  • the locking element 7 is again provided with a recess 72, with the central area no longer being a thin area 720 as in FIG Figures 29 and 30 is provided, but the ramp 740 is formed laterally and on both sides on the locking element 7 or placed.
  • the part of the slot 82 of the push button 80 lying at the top in the figures is so wide that this slot section can be pushed over the locking element 72 in the depth of the recess 72.
  • the slot 82 in the push button 80 according to the embodiment of the Figures 31 and 32 is therefore wider at least in the upper area than that in the Figures 29 and 30 is shown.
  • the lower part of the slot 82 of the push button 80 according to the Figures 31 and 32 is again wider than the upper part, so that a step 81 is formed, which is opposite to the ramp 740, so that the push button 80 runs onto the ramp 740 during linear displacement.
  • the push button 80 and the locking element 7 are designed such that when the push button 80 is linearly displaced against the locking element 7, the latter is pressed downward.
  • springs 78 as in Figures 9-14 shown, are used to reset the locking element 7 after releasing the push button 80 by pushing back the push button 80 against the cam 23.
  • a flat Contact is formed between the push button 80 and the counter surface 740 of the locking element 7 and the movement conversion from a horizontal movement of the push button 80 into a vertical movement of the locking element 7 is thus converted via an inclined sliding track.
  • the compared to the embodiment Figures 10 and 12 Increased area contact leads to less stress on the contact surfaces.
  • the contact between the push button 80 and the locking element 7 is better defined.

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Claims (12)

  1. Structure de cadre (1) de mini-trampoline, dans laquelle la structure de cadre (1) comprend au moins trois nœuds (2), au moins trois entre-nœuds allongés (4) et une pluralité de pieds (5), dans laquelle deux des entre-nœuds (4) sont respectivement associés à des parties terminales (40) et sont reliés fermement les uns aux autres par un des nœuds (2), afin de former un cadre fermé (10) situé essentiellement dans un plan principal (H), et chaque pied (5) étant fixé directement à l'un des nœuds (2), caractérisé en ce que tous les nœuds (2) sont conçus comme de nœuds de pied large et s'étendent depuis la structure de cadre (1) parallèlement au plan principal (H) déformé vers l'extérieur et vers le pied associé respectif (5), de sorte que tous les pieds (5) sont placés respectivement à l'extérieur du cadre (10).
  2. Structure de cadre (1) selon la revendication 1, dans laquelle les nœuds (2) sont munis d'une première partie (61) d'un dispositif de fixation (6) et les pieds (5) sont munis d'une deuxième partie (62) du dispositif de fixation (6) pour fixer chacun des pieds (5) à un des nœuds respectifs (2), le dispositif de fixation (6) étant réalisé de telle sorte que l'axe de liaison (V) du dispositif de fixation (6), sur le bord duquel ledit pied (5) et le nœud (2) puissent se relier, soit essentiellement perpendiculaire au plan principal (H).
  3. Structure de cadre (1) selon la revendication 2, dans laquelle le dispositif de fixation (6) est une liaison d'engagement et l'une des première ou deuxième parties (61, 62) du dispositif de fixation (6) comprend une partie conique (64) effilée distalement ayant une extrémité libre (640) et l'autre des première ou deuxième parties (61, 62) comprend un évidement (66) correspondant s'évasant coniquement vers l'extérieur, dans laquelle un évidement d'engagement (641), de préférence un trou fileté, est encastré dans l'extrémité libre (640) de la section conique (64) et un élément d'engagement (67), de préférence un boulon fileté, correspondant à l'évidement d'engagement, est disposé dans l'évidement (66), l'élément d'engagement (67) étant de préférence entièrement noyé dans l'évidement (66).
  4. Structure de cadre (1) selon l'une des revendications précédentes, dans laquelle les nœuds (2) présentent chacun deux saillies (21, 22) s'étendant dans le plan principal (H) qui font saillie de manière opposée et qui sont de préférence cylindriques et droites ou courbes, les entre-nœuds (4) étant munis chacun aux extrémités associées (41, 42) d'un évidement (43) qui est formé de telle manière que chacune desdites saillies (21, 22) est introduite dans l'évidement (43) avec un ajustement précis, dans laquelle chaque saillie (21, 22) s'engage dans l'entre-noyau (4) correspondant de préférence par au moins une épaisseur de cadre maximale, en particulier par au moins 2 centimètres, de préférence par au moins 3 centimètres, de préférence avec contact plan, dans laquelle de préférence dans les évidements (43) dans lesdites sections extrêmes (41, 42), des pièces adaptateurs (44) sont prévues qui présentent des évidements (45) pour recevoir avec un ajustement précis les saillies (21, 22).
  5. Structure de cadre (1) selon l'une des revendications précédentes, dans laquelle tous les pieds (5) sont montés sur le nœud (2) de manière à pouvoir pivoter autour d'un axe de pivotement (A) le long d'un mouvement de pivotement entre une position dépliée et une position repliée,
    dans laquelle le nœud (2) comprend une première butée de rotation externe (25) et le pied (5) ayant une deuxième butée de rotation externe correspondante (55), les première et deuxième butées de rotation externe (25, 55) définissant la position dépliée du pied (5),
    et dans laquelle le nœud (2) présente de préférence une première butée de rotation intérieure (28) et le pied (5) présente de préférence une deuxième butée de rotation intérieure correspondante (58), les première et deuxième butées de rotation intérieure (28, 58) définissant la position replié du pied (5).
  6. Structure de cadre (1) selon la revendication précédente, dans laquelle l'axe de pivotement (A) du pied pivotant (5) s'étend à travers un centre de section transversale de cadre (M).
  7. Structure de cadre (1) selon l'une des deux revendications précédentes, comprenant un élément de verrouillage (7), lequel élément de verrouillage (7) est monté de manière déplaçable sur le pied (5) ou sur le nœud (2) le long d'un mouvement de verrouillage entre une position de libération et une position de verrouillage s'étendant sensiblement perpendiculairement à l'axe de pivotement (A), l'élément de verrouillage (7) empêchant le mouvement de pivotement dans la position de verrouillage et dégageant le mouvement de pivotement dans la position de libération.
  8. Structure de cadre (1) selon la revendication précédente, dans laquelle l'élément de verrouillage (7) est maintenu sous précontrainte dans la position de verrouillage, dans laquelle une première butée de verrouillage est disposée sur le nœud (2), la première butée de verrouillage étant de préférence la première butée de rotation extérieure (25), une seconde butée de verrouillage (79) est disposée sur l'élément de verrouillage (7), dans laquelle une surface de contact entre la première et la deuxième butée de verrouillage (25, 79) est sensiblement parallèle au mouvement de verrouillage, et dans laquelle il est prévu un élément d'actionnement (8) qui peut être actionné manuellement de l'extérieur et qui, lorsqu'il est actionné, transfère l'élément de verrouillage (7) de la position de verrouillage dans la position de libération.
  9. Structuré de cadre (1) selon la revendication 8, dans laquelle une première butée de verrouillage est disposée sur le nœud (2), la première butée de verrouillage étant de préférence la première butée de rotation extérieure (25), une seconde butée de verrouillage (79) étant disposée sur l'élément de verrouillage (7), une surface de contact entre la première et la deuxième butée de verrouillage (25, 79) étant disposée en angle par rapport au mouvement de verrouillage de telle sorte que l'élément de verrouillage (7) puisse être poussé de la position de verrouillage à la position de libération par pivotement manuel du pied (5).
  10. Structure de cadre (1) selon l'une des revendications 8 ou 9, comprenant en outre un élément de fixation (9), dans laquelle une première butée de fixation (93) est prévue sur l'élément de fixation (7) et une seconde butée de fixation (73) est prévue sur l'élément de fixation (9), dans laquelle l'élément de fixation (9) est mobile dans un mouvement de fixation entre une position de fixation et une position de libération, la première butée de sécurité (93) étant dans le mouvement de verrouillage sur la deuxième butée de sécurité (73) de telle sorte que l'élément de verrouillage (7) est bloqué dans la position de verrouillage, et l'élément de verrouillage (9) pouvant être déplacé manuellement de l'extérieur vers la position de libération afin que l'élément de verrouillage (7) soit libéré.
  11. Structure de cadre (1) selon l'une des revendications 7 à 10, l'élément de verrouillage (7) étant conçu pour s'effiler vers l'avant et étant entouré d'un espace libre (77) sur la face frontale dans la position de verrouillage.
  12. Mini-trampoline avec une structure de cadre (1) selon l'une des revendications précédentes, comprenant en outre un tapis de saut qui est tendu sur le cadre (10).
EP15817152.0A 2014-12-16 2015-12-15 Structure de mini-trampoline Active EP3233218B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14198323 2014-12-16
PCT/EP2015/079688 WO2016096784A1 (fr) 2014-12-16 2015-12-15 Structure de cadre pour mini-trampoline

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EP3233218A1 EP3233218A1 (fr) 2017-10-25
EP3233218B1 true EP3233218B1 (fr) 2020-02-12

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US (1) US10617901B2 (fr)
EP (1) EP3233218B1 (fr)
CN (1) CN107106888B (fr)
SG (1) SG11201704855QA (fr)
WO (1) WO2016096784A1 (fr)

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Publication number Publication date
US20170361143A1 (en) 2017-12-21
SG11201704855QA (en) 2017-07-28
CN107106888A (zh) 2017-08-29
CN107106888B (zh) 2020-05-19
US10617901B2 (en) 2020-04-14
WO2016096784A1 (fr) 2016-06-23
EP3233218A1 (fr) 2017-10-25

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