WO2005023631A2 - Systeme de securite ameliore pour cerf-volant a quatre suspentes - Google Patents
Systeme de securite ameliore pour cerf-volant a quatre suspentes Download PDFInfo
- Publication number
- WO2005023631A2 WO2005023631A2 PCT/DE2004/001919 DE2004001919W WO2005023631A2 WO 2005023631 A2 WO2005023631 A2 WO 2005023631A2 DE 2004001919 W DE2004001919 W DE 2004001919W WO 2005023631 A2 WO2005023631 A2 WO 2005023631A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- kite
- line
- ball
- rope
- shackle
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H8/00—Sail or rigging arrangements specially adapted for water sports boards, e.g. for windsurfing or kitesurfing
- B63H8/10—Kite-sails; Kite-wings; Control thereof; Safety means therefor
- B63H8/18—Arrangements for connecting the user to a kite-sail; Kite-safety means, e.g. chicken loops, safety leashes or quick release mechanisms
Definitions
- This system refers to inflatable, pneumatically shaped and stiffened stunt kites (also known internationally as Inflatable or Tube Kite) for locomotion on water (kitesurfing)
- Kite surfing with stunt kites Stunt kites also known internationally as kites (plural: kites) generate propulsion for new sports such as kite surfing on water (also known as kitesurfing), comparable to sailing sailboats. Similar to today's windsurfing or snowboarding or wakeboarding, the driver is connected to a specially shaped board by means of foot straps or bindings. The buoyancy in the water is generated almost exclusively dynamically by the driving speed, comparable to water skiing.
- the stunt kite is connected to hold and steer on the one hand on the stunt kite and on the other hand on a control rod by means of high-strength lines.
- the drivers wear so-called trapeze belts on their bodies - or trousers that are provided with a hook plate, and thus hang in a loop called a trapeze rope, which is attached to the control rod.
- This allows the driver to use his weight and body as a lever to absorb the high holding forces.
- the driver only has comparatively small steering control forces.
- the driver unhooks and may let go of the control rod.
- various safety line systems have been developed. These systems are based on the fact that one or more of the tether lines or control lines are firmly connected to the driver via an additional so-called safety line and that the kite can blow out largely without force when the control rod is released.
- the principle of restarting the stunt kite from the water (described internationally as a "relaunch") by the driver alone and without outside help is possible.
- FIG. 1 and 2 schematically shows a 4-line kite with an additional center line.
- FIG. 1 and 2 show the kite in flight at the zenith at the edge of the wind window, with kite lines and control rod in flight position, without a driver. Explanation of symbols FIG.
- safety line safety line
- a significant advantage of the four lines technology is that with a corresponding design of the attachment of the tether to the handlebar on the so-called De-Power loop by sealing and tightening the handlebar sensitive adjustments of Power of the kite are possible in gusty winds. See FIG. 3.
- L 2 is the stroke distance for sealing and lubrication, which is usually around 150 - 300 mm. This process can be compared to sealing and securing the mainsheet when sailing or the boom when windsurfing.
- a typical commercially available safety device consists of parts 6, a safety line and 15, a belt strap with a Velcro fastener for attachment to the driver's wrist.
- the safety line 6 is connected on the one hand to the kite line 3 and on the other hand to the belt with Velcro fastener 15.
- the driver releases the control rod in an emergency. Since the kite is connected to his wrist via the tether 3, the kite can fly like a flag in the wind and thereby lose almost all power. In theory, the driver can then use appropriate techniques to restart the landed kite.
- an emergency release device also called a quick release
- the safety line which is intended to prevent the loss of the kite and subsequent distress at sea.
- Emergency release device / quick release The sole purpose of the emergency release device is to completely and suddenly separate the driver from the kite in an emergency if he is hooked in with the trapezoidal hook, Figure 8, Part 21, in the de-power loop, Part 13, Figure 3 to 5, drives.
- the driver may not have enough power to unhook, especially if he is involuntarily dragged under water by the kite or is dazed by the impact on the water.
- the regular unhooking from the de - power loop is an extreme effort, because by pushing the control rod down to get out of the loop, the kite is set to maximum performance. In the suspended state, letting go of the control rod to free yourself from the drag of the kite is not the solution. The tractive force is somewhat less because the control rod to the end point of the stroke L 1, FIG. 3 to 5, but it still hangs and is connected to the kite.
- the object of the invention described below is to eliminate the aforementioned deficiencies by means of an optimal device with the highest level of comfort, but also with a device which is slimmed down in terms of cost and comfort, or to bring about considerable improvements in handling and safety.
- the invention relates both to the four-liner mentioned - with a classic safety line as well as to the latest four-liner with additional center line.
- a device which does not need a conventional safety line but nevertheless fulfills the desired function.
- This device does not entangle and bind the kite lines by means of a safety line when the driver or kite rotates.
- All of the solutions shown below are compatible with a stationary emergency release.
- stationary means: it is arranged in a fixed position relative to the driver's body and the trigger does not pivot, nor does it rotate. The following descriptions contain the version optimized for the system presented.
- the solution according to the invention has four main directions: a) To create an emergency release in the area of the connection via the trapeze of the driver, which triggers at all conceivable pull angles and is arranged in such a way that the release mechanism can also be found quickly and easily in panic , b) to supply a control device with a special arrangement of the safety line, where the twisting of the safety line with the rope of the de-power loop, even with a very large number of jump rotations of the driver in any direction of rotation or rollover of the kite, is accepted and without significant effort or without the driver's intervention, even while driving, can be undone so that the driver is not hindered or endangered.
- both the novel control rod in combination with the emergency release according to the invention and the special arrangement of the safety line according to the invention in the overall system should ensure that the kite is not lost in the event of an emergency release or endangers third parties, but allows the driver to relaunch as quickly as possible , The rapid relaunch can only take place if neither the kite nor the lines tangle tangibly after the emergency release.
- I. Type of safety line This option is determined by the individually available kite and line set or according to your preference: • Standard kite with conventional safety line as an extra line with stopper at the end, connected to a holding line at a certain distance from the control rod (see FIG. 3) • Kite with an additional attachment point in the middle of the wing nose and an extra line, so-called 5th line, there (see FIG. 4) Standard kite, by means of the devices described here, converted into an arrangement apparently without a safety line, but with a mini safety line (see explanations for and overview of FIG. 5)
- Autorotation or manual turning back of the turner in leash & lines means here that the athlete only rotates the control rod to turn back the steering lines after rotations; the twisting of depower cables, safety leash and tether lines that usually occur are automatically neutralized, even while driving, without the driver's intervention.
- the centerpiece here is a watertight encapsulated swivel with a ball-bearing hollow shaft. See overview FIG. 8a and 8b and details in FIG. 9b and 12.
- Manual turning back here means that the athlete rotates the control rod to turn back the steering lines after rotations; he then has to manually remove the twisting of depower cables, safety leash and tether lines that occurs, or accept it first.
- the resulting twists can also be neutralized while driving by briefly releasing pressure from the kite and grasping the vertebra with a free hand and turning it back.
- the centerpiece here is a swivel with a hollow shaft with a plain bearing. See overview FIG. 8a and 8b and details in FIG. 9a.
- the solution to a) is achieved with regard to the demand for a trigger mechanism which can be found very quickly even in panic situations and which can be actuated particularly simply and safely, in that the de-power loop 30, 30a is inserted into the eye of the primary quick release shackle 26 and locked.
- the novel the factory release rope must be removed beforehand), extremely smooth and stationary release mechanism (shown in an arrangement for right-handers), which only works under load, is activated by a pulling movement (down, or up, or to the right (to the left or forward, an unnatural pushing movement would be actuated for the right-hander) on the hose 27.
- the trigger mechanism 23 is carried out by a plastic ball 24 and secured there with a stop knot 25.
- the trigger mechanism of the secondary quick release shackle is sufficiently smooth even under load, so that a pulling movement on the ball can actuate the emergency release.
- the actuation of the secondary quick release shackle 22 is only intended for the most extreme emergency, since this completely releases the kite.
- the second aspect, securing the emergency release under all possible pull angles, is achieved by two measures.
- the primary quick-release shackle 26 is latched in the secondary quick-release shackle 22 in a freely movable manner and this is open the hook 21 is pivotally arranged on the hook plate 17, so that the forces of the kite, regardless of whether the kite flies above or below, are always introduced into the quick release shackle in the ideal direction.
- the depower loop 30, 30a is made of round stainless steel material, so that the tendency of conventional plastic loops to get caught on the shackle exits in the horizontal plane when force is applied obliquely does not exist here.
- modified hook plate with swivel hook and primary and secondary quick release see drawings FIG. 6a, 6b and 7.
- FIG. 7 modified hook plate 18 A uglager welded to hook plate 19 hollow shaft 20 axle bolt 21 pivoted hook welded to hollow shaft, part 19 standard snap shackle, z.
- the kite pulls the control rod 9 away from the driver. It slides guided on the safety line 6, 7 along or in the case of the arrangement according to FIG. 5 on the safety line 16 and further on the holding line 2b until it runs against the stop ball 8 and stops.
- the safety line see FIG. 3, 4 and 5.
- the stop ball 8 is secured with stop knots on the lines or special, so-called knotless stop balls are used.
- the respective distance to the stop ball, L 3, L 4 is calculated so that the rest of the kite lines become so loose by rushing out the control rod that the kite can blow out almost without power.
- kite lines are on the upper part of the vertebra and the de-power lines on the lower. Since, according to the teaching of the invention, the safety line is now guided through a hollow shaft in the vertebra 46, 55, this system could avoid any twisting of the lines when the control rod is turned back. This would be the case if the parts which are held on the upper part of the vertebra (the depower loop 30a, 30b, the de-power tow 38, the adjusting tether 10 and the two retaining lines 2 and 3) are connected to the control rod via drivers. Such an arrangement with driver ropes is shown in FIG: 12. However, a vortex with ball bearings is required, shown in FIG.
- FIG. 8a shows an arrangement of elements for a central passage of depower tow 38 and safety line 6, 7b through the control rod 9. Since the control rod 9 is moved on these ropes during flight operation, they wear out with use. In order to minimize wear, these ropes must either have a non-sticky, slippery substance in the wear zone, e.g. B. impregnation with a hot wax mixture or with a plastic coating.
- the balls 36 and washers 37 made of plastic have a pressure distribution function and ensure a clean entry and exit of the ropes with strong steering deflections of the control rod 9.
- FIG. 8b shows an arrangement of elements for a central passage of the power tow 38 and the safety line 6, 7b through the control rod 9.
- the protective hose must have a very slippery surface and be flexible in order not to hinder the steering.
- the hose must be kink-resistant and have a large enough internal width to accommodate the sufficiently large ropes and to let the safety line slide through. All of these requirements lead to an outer hose diameter which has too little play in the central bore of the control rod for practical purposes. A larger hole would weaken the rod too much. Therefore, a clamp device with a corresponding larger eyelet 41 is attached to the center of the control rod for the passage of the protective tube 41.
- the balls 40 and washers 37 made of plastic have a pressure distribution function and ensure a clean entry and exit of the ropes with strong steering deflections of the control rod 9. Furthermore, they fix the protective hose 41. An adjusting device, parts 43, 44, 45 attached which can be retightened to compensate for the expansion of the pad 38. Explanation of symbols FIG. 8b 6/16 safety leash 7b safety line approx. 4 mm 0 rope as an extension of the middle line part 7 9 standard control rod with min.
- FIG. 9a shows the swivel with a hollow axis in the slide bearing, parts 39a, 46, 46, 47 and the integrated connection via shackles 50, 51 to the adjusting tether 10.
- FIG. 10 shows the adjustment tether 10 with a guide eye for the safety line 6, 7b and its course, as well as the connection to the kite lines 2 and 3.
- PTFE - washer as part of the vertebra 48 socket non-positively connected with shackle part 49, rotatable on hollow shaft, part 46, as part of the vertebra 49 shackle non-positively connected with socket, part 48, as part of the vertebra 50 shackle pin 51 U - shackle 52 eyelet, e.g. Stainless steel D-ring sewn onto GBT, part 10
- FIG. 9b shows the watertight encapsulated vertebra with the ball-bearing hollow axis, parts 39b, 53, 54, 55, 56, 57, 58, 59, 60, 61 and the integrated connection via machine screw 62 to the adjusting tether 10.
- GKT belt tether
- FIG. 12 schematically shows the arrangement of the watertightly encapsulated swivel with the ball-bearing hollow axle, parts 39b, 54, ff.
- the arrangement of the catches ropes 63 and their attachment points on the swivel 63a and the rod 63b is also shown.
- the dashed lines show the changes to the ropes when the control rod is pulled tight via path L 1.
- FIG. 13 shows a schematic representation of a blowing, landing std. 4-line stunt kite with conventional safety line 6, the end of the safety line 6, z. B. is attached to the wrist of the driver by means of the Velcro strap 15 (not shown).
- the control rod 9 after being released or after actuation of the emergency release, since it is not being guided, has landed undefined in the middle of the kite lines, far away from the driver.
- a waving kite that lashes with a lot of wind can turn the free control rod along with other kite lines and thus additionally ensures linen salad, which in practice can only be avoided by luck.
- the stop ball 8 is secured with stop knots on the lines or special, so-called knotless stop balls are used.
- the respective distance L 3, L 4 to the stop ball is calculated so that the rest of the kite lines become so loose by rushing out the control rod that the kite can blow out almost without power.
- the safety rules of the kite manufacturers state that the length of the rushing distance L 3, L 4 is at least 70%, better 100 %, which should result in the designed span L 5 of the kite, in order to take the power out of the kite by blowing. So while a regular quadruple kite has to open very far to become power-free, the rush length for quadruple kites with an additional center line 7 is shown in FIG. 5, comparatively reasonably low.
- FIG. 14 shows a schematic representation of a blowing, landing standard. 4-line stunt kite.
- the control rod 9 is replaced after release to the position of the stop ball 8.
- the end of the safety line 6, 16 is attached to the driver's body (not shown). For the relaunch, the driver pulls the control rod towards him by pulling the safety line towards him until he can grip the control rod.
- FIG. 15 shows a schematic representation of a landing 4-line stunt kite with an additional center line.
- the control rod 9 is replaced after release to the position of the stop ball 8.
- the end of the safety line 7 is attached to the driver's body (not shown). Since here the flying lines are only relaxed somewhat and the control rod does not land in the middle, as shown in FIG. 13, the lines have no reason to get tangled.
- the driver pulls the control rod towards him by pulling the safety line towards him until he can grip the control rod. From there on, the relaunch is standard.
- FIG. 11 shows the solution according to the invention. Explanation of symbols FIG. 11 In order to clarify important details, this view is not shown from the front corresponding to FIG. 5 but 180 ° from the rear. Therefore, the kite lines appear reversed.
- kite line 2b which is continuous from the point of attachment on the kite to 16 for connection to the ring 33.
- Bay end of rope part 16 is tied through the loop part 2b to 16a bay knot.
- eyelet e.g. Stainless steel D-ring sewn on GBT, part 10
- U - shackle or sewn-in eyelet (D-ring) 43
- shackle pin 44 plastic sliding ball with hole for kite line part 2b
- the knot 2c in the kite line 2b prevents the kite line 2b from sliding through the plastic ball 44 under load, while this plastic ball 44 is held by the smaller shackle 42.
- This arrangement thus represents a non-positive connection in the pulling direction of the kite under load.
- the control rod 9 can now rush under load on the now tensioned line 16 until it hits the sliding ball 44.
- it must run over the node 2b, which must be slim enough because the depower cord 38 must be pulled past it within the protective tube 41 without getting tangled up. From there, this sliding ball is slid in front of the control rod on the taut kite line 2b until the sliding ball 44 is stopped by the stop ball 8, mounted on the kite line 2b. In this position the kite blows weakly.
- FIG. 8b shows a specially assembled kite line 2b, not previously described.
- the reason for this is that the knot of the connection 16b from the loop 2d to the safety line 16 (see FIG. 11) is too thick to slide smoothly together with the deodorant ropes 38 through the protective tube 41 and does not close in any direction during the entry verkakeln. But since this rushing and resetting process must not be noticeably choppy, this is only possible if the Kite line in one piece from the kite to the connection to the ring 33 is free of additional knots or loops.
- the kite line must be assembled as follows: end loop for the connection by a bay knot to ring 33, followed by a displaceable sheathing to form the knot 2c at any point, a threaded ball, a knotless, displaceable stop ball followed by the end loop or other device for the connection to the kite.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
La présente invention concerne un dispositif de kitesurf à cerf-volant renforcé et pneumatiquement gonflé. Le kitesurf est un sport aquatique comparable à la planche à voile, mais avec un cerf-volant en guise de voile. Les systèmes de sécurité de cerfs-volants à quatre suspentes du commerce présentent de graves défauts. D'autre part, ces systèmes entravent le sportif et le développement de ce sport. L'objet de la présente invention est d'éliminer ces défauts à l'aide d'un dispositif offrant un confort optimal et d'une version plus légère et moins onéreuse du kitesurf. A cet effet, une manille (29, 26, 27) de libération rapide est fixée sur la plaque à crochet (17) de la ceinture de trapèze du sportif. Dans cette manille est suspendu un dispositif de commande (30a/30b, 38, 9, 39, 10, 40) conçu de manière telle que des torsions des suspentes avec la suspente de sécurité provoquées par une rotation du cerf-volant ou des rotations du sportif peuvent être éliminées manuellement ou automatiquement, même pendant la glisse. La suspente de sécurité (4, 7b, 16) empêche la perte du cerf-volant, n'entrave pas le sportif lors de sauts de rotation et permet un nouveau départ immédiat sans enchevêtrement des suspentes et sans bricolage dans l'eau à la suite d'une chute d'urgence du cerf-volant dans l'eau après actionnement de la manille (29) primaire de libération rapide.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10340311A DE10340311A1 (de) | 2003-09-02 | 2003-09-02 | Sicherheitsvorrichtung zum Kitesurfen, insbesondere Steuervorrichtung zum automatischen oder manuellen Freidrehen von Verwicklungen der Drachenleinen mit der Sicherheitsleine, Quickrelease stationär |
DE10340311.6 | 2003-09-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005023631A2 true WO2005023631A2 (fr) | 2005-03-17 |
Family
ID=34223268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2004/001919 WO2005023631A2 (fr) | 2003-09-02 | 2004-08-31 | Systeme de securite ameliore pour cerf-volant a quatre suspentes |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE10340311A1 (fr) |
WO (1) | WO2005023631A2 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTO20120059A1 (it) * | 2012-01-24 | 2012-04-24 | Engimec S R L | Dispositivo di sgancio rapido, in particolare per kite-surf. |
WO2013111169A1 (fr) * | 2012-01-24 | 2013-08-01 | Engimec S.R.L. | Dispositif à déconnexion rapide, en particulier pour planche volante |
DE202019101286U1 (de) | 2019-03-07 | 2019-05-14 | North Kiteboarding Australasia | Safety-Leash und Sicherheitseinrichtung mit einer Safety-Leash |
-
2003
- 2003-09-02 DE DE10340311A patent/DE10340311A1/de not_active Withdrawn
-
2004
- 2004-08-31 WO PCT/DE2004/001919 patent/WO2005023631A2/fr not_active Application Discontinuation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTO20120059A1 (it) * | 2012-01-24 | 2012-04-24 | Engimec S R L | Dispositivo di sgancio rapido, in particolare per kite-surf. |
WO2013111169A1 (fr) * | 2012-01-24 | 2013-08-01 | Engimec S.R.L. | Dispositif à déconnexion rapide, en particulier pour planche volante |
DE202019101286U1 (de) | 2019-03-07 | 2019-05-14 | North Kiteboarding Australasia | Safety-Leash und Sicherheitseinrichtung mit einer Safety-Leash |
Also Published As
Publication number | Publication date |
---|---|
DE10340311A1 (de) | 2005-03-31 |
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