EP0236983B1 - Vorrichtung zum Abdecken von Tennisplätzen - Google Patents

Vorrichtung zum Abdecken von Tennisplätzen Download PDF

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Publication number
EP0236983B1
EP0236983B1 EP87103248A EP87103248A EP0236983B1 EP 0236983 B1 EP0236983 B1 EP 0236983B1 EP 87103248 A EP87103248 A EP 87103248A EP 87103248 A EP87103248 A EP 87103248A EP 0236983 B1 EP0236983 B1 EP 0236983B1
Authority
EP
European Patent Office
Prior art keywords
supports
tarpaulin
track rails
carriages
tennis court
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP87103248A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0236983A2 (de
EP0236983A3 (en
Inventor
Manfred Köster
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hespe & Woelm & Co KG GmbH
Original Assignee
Hespe & Woelm & Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hespe & Woelm & Co KG GmbH filed Critical Hespe & Woelm & Co KG GmbH
Priority to AT87103248T priority Critical patent/ATE75626T1/de
Publication of EP0236983A2 publication Critical patent/EP0236983A2/de
Publication of EP0236983A3 publication Critical patent/EP0236983A3/de
Application granted granted Critical
Publication of EP0236983B1 publication Critical patent/EP0236983B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • A63C19/12—Removable protective covers for courts, rinks, or game pitches or the like

Definitions

  • the invention relates to a device for covering tennis courts with a stretched tarpaulin, the tarpaulin being slidably suspended on the long sides of the tennis court.
  • Tennis is now practiced mainly on open air courts.
  • the game is played on tennis courts with a blanket made of red brick powder or ground red natural stone, plastic, asphalt or concrete or lawn.
  • Such tennis courts have drainage, they are usually unplayable for a long time after rainfall. This is particularly noticeable with the first and the last-mentioned blankets.
  • As tennis is becoming increasingly popular there is a great need for effective coverage that is easy to use. This applies in particular to tournament events where the competitions have to be carried out on time.
  • a device for covering tennis courts has also become known, in which a tarpaulin is stretched out on a rope which is stretched between masts on the end faces of the tennis court.
  • the tarpaulin is fixed on the long sides of the tennis court, so that there is a tent-shaped roof on which the rainwater runs off to the side.
  • This device is particularly complex to handle.
  • the network must be dismantled so that the rope can be laid over the court and then the tarpaulin can be rolled out from the long sides over the tennis court.
  • Several people are required just to roll out the tarpaulin.
  • the tarpaulin must be fixed on the long sides of the tennis court.
  • the rope is hung in the masts, the boxes are erected and the tarpaulin is pulled up by actuating a crank mechanism on one of the masts. It is understandable that even a well-rehearsed team needs almost half an hour to set up this device. It is also disadvantageous that the moisture cannot escape from the rolled-up tarpaulin, which means that it becomes unsightly and rots after a short time.
  • the invention has for its object to provide a device for covering tennis courts, on which the water drains out, which can be assembled and dismantled more easily and quickly and which dries quickly, even if it does not cover the tennis court.
  • the tarpaulin is in the ready position on the front sides of the tennis court, it being folded in a meandering manner between adjacent carriages and the ground. In the standby position, it takes up little space, but it does Surface for drying is exposed. When it starts to rain, the tarpaulin can be pulled out over the tennis court with little effort, since it is guided on the running rails with little friction on the running rails. The running rails are in turn so spaced from the surface of the square that the somewhat sagging tarpaulin does not drag on the floor and the network can be easily overcome.
  • the tarpaulin As soon as the tarpaulin completely covers the tennis court, it is raised with the supports until it no longer forms troughs in which rainwater collects. This is achieved when the tarpaulin is arranged at all points between longitudinally offset supports above the carriage. Then the rainwater can run laterally between the longitudinal supports in the direction of the running rails and it runs between the supports and the front sides of the tennis court, both laterally towards the running rails and towards the front sides.
  • a device according to the invention can be handled easily and effectively drains off precipitation, it being possible to move it back to the ready position immediately after precipitation, since it dries quickly there.
  • the device is inexpensive because the tarpaulin practically does not rot.
  • it can be attached organically and inconspicuously to a tennis court, especially if the running tracks are integrated into the side fences.
  • the tarpaulin is formed in two parts, so that it can be pulled over the two halves of the space with little effort.
  • An overlap area must be provided in the middle of the tennis court for sealing.
  • the tarpaulin remains in the ready position as well as in the extended position, because of its great weight and that of the supports applied tension resists the influence of wind forces.
  • the tarpaulin is fixed to the end faces of the tennis court, since it is then forced everywhere into a shape that cannot be destroyed even by strong gusts of wind. This can be done in a particularly simple manner with ground anchors. If the tarpaulin can also be fixed on the running rails, it can be prevented that it closes or opens automatically for the aforementioned reasons.
  • the supports are spindled down so that they sag everywhere between the running rails. If the tracks are only aligned horizontally, the covering tarpaulin in the ready position between adjacent carriages and the tracks takes the form of troughs that sag in the middle. This can cause rainwater to collect in the middle of the tarpaulin.
  • the front view of the tennis court is obstructed. This can be avoided if the running rails at the front of the tennis court run out in bends that point towards the court surface. This means that in the ready position the tarpaulin lies everywhere on the floor between the running rails, and is fanned out on the lowered carriages.
  • the arch pieces are expediently fastened and closed on the tennis court with base plates.
  • all the carriages are arranged outside the curved pieces when the tarpaulin is completely spread out over the tennis court. This prevents the tarpaulin from being thrown up in the region of the curved pieces.
  • the supports are arranged on the two T-points of the tennis court and have a convex contact surface to the tarpaulin.
  • the supports are height adjustable, they can be set up on the tennis court before the tarpaulin is extended and the tarpaulin can be raised more easily. If the supports can be screwed up, lifting the tarpaulin is made even easier.
  • the supports have a lower punch with an external thread on the top, an elongated hole which is arranged in the external thread in the longitudinal direction of the support, a clamping device which can be screwed onto the external thread, an upper stamp with bores inserted into the lower stamp and a fixing bolt which extends into the elongated hole and is inserted into the bore and rests on the clamping device.
  • the running rails can have a C-profile with inner shoulders adjacent to the longitudinal slot, which is protected against the ingress of rainwater when the longitudinal slots are facing the tennis court and are arranged horizontally or inclined to the horizontal.
  • the carriages are supported on the inner shoulders with rollers so that the clamping force is evenly distributed in the running rails.
  • four rollers are preferably mounted on the housing of the carriage.
  • the carriages have guide rollers, which preferably engage on the two end faces of the housing, which engage in the longitudinal slot of the rails.
  • eyes can be welded to the end faces of the housing, into which bearing bolts are inserted, which carry guide rollers.
  • the carriages with the housing protrude from the running rails and the cover tarpaulin is attached to the protruding section of the housing, as a result of which the cover tarpaulin can be attached particularly easily.
  • the clamping force is introduced particularly evenly into the tarpaulin if the housing has a flange and the tarpaulin is screwed between this and a plate. It is particularly cheap To provide the flange and the plate with four aligned holes.
  • the running rails are fastened to supports and the supports are inserted into guide tubes which, encased in a layer of concrete, are embedded in the ground.
  • These supports absorb high bracing forces and can be assembled or disassembled at any time.
  • they are attached to the supports with brackets.
  • the guide tube lies on the lower end face on a T-beam, so that it rests on a concrete layer on this end face.
  • the supports are expediently designed as double-T beams, which have a particularly high strength and low weight.
  • the supports preferably lie with elevations on their outer jacket on the guide tubes so that they can be inserted easily and are nevertheless guided with little play. If the supports in the guide tubes rust, they can easily be separated from them, since only the elevations rust with the guide tubes.
  • the running rails are inserted into sleeves which are fastened to the supports.
  • the sleeves enclose the running rails on the outer jacket, so that the running rails are practically not deformed by holding forces.
  • the running rails are free of weld seams, which would result in increased thermal distortion.
  • the rails can be easily fixed in the sleeves with clamping screws.
  • the running rails are welded to reinforcing rails, as a result of which larger distances can be bridged between adjacent supports without overloading the running rails with tensioning forces.
  • the reinforcement rails are preferably welded to the supports or the brackets.
  • FIG. 1 shows a tennis court 1 with a playing field 2 and a device according to the invention, the tarpaulin 3 of which is in the extended position, spanning the tennis court 1.
  • the tarpaulin 3 is fixed to the end faces 6.7 of the tennis court 1 with ground anchors 8.9.
  • the running tracks 4, 5 are mounted on supports 14, 14 ', so that the tarpaulin 3 is held on the long sides at a vertical distance from the tennis court 1.
  • the running rails 4, 5 end on the sides in curved pieces 15, 16, 17, 18, which will be explained further below.
  • FIGS. 4 and 5 are cross sections through the device in the central region 19. It is also noteworthy that the central region 19 is suspended above the network 20 so that it does not need to be dismantled.
  • the rainwater runs off both on the long side and on the front side.
  • the tarpaulin 3 is arched downward (FIGS. 3 and 6), so that the rainwater is forcibly diverted from these areas to the end faces 6, 7 .
  • 7 to 12 show the device in the ready position, in which the two-part tarpaulin 3 is stowed on the end faces 6, 7 of the tennis court and in which the supports 12, 13 are removed from the playing field 2.
  • 7 and 11 show, the space requirement of the device is extremely small.
  • the width of the tennis court that can be walked on is practically not restricted by the device, since it can be integrated into side fences which are present anyway.
  • the tarpaulin 3 is stored in a meandering manner in the region of the arch pieces 15 to 18, the longitudinal openings 25 being fanned out between adjacent loops 26.
  • the cover tarpaulin is delimited by the ground anchors 8.9 on the end faces 6.7. Because of its own weight, the tarpaulin 3 normally remains in the ready position.
  • FIG. 13 shows details of the lateral suspension of the tarpaulin 3. This has a sinusoidal side 27 on the running rail 5, the maxima 28 of which are in the running rails 5 used, carriages 29 are suspended. In the case of the running rail 4, the tarpaulin 3 is designed accordingly because the maxima are directly opposite on both sides.
  • the running rail 5 On its underside, the running rail 5 has drain holes 30 for rainwater. It is held by sleeves 31, which in turn are attached to supports 14. Between the sleeves 31, the running rail 5 carries reinforcing rails 32 with which it is fastened together on supports 14 '.
  • the running rail 5 is fixed in the sleeves 31 by clamping screws 33.
  • the sleeves 31 are welded to brackets 34 in such a way that the longitudinal slot 35 of the running rail 5 is slightly inclined to the horizontal. This enables an optimal introduction of force from the tarpaulin 3 via the carriage 29 into the running rail 5.
  • the console 34 is in turn fastened to the support 14, which is designed as a double-T beam.
  • the support 14 is inserted into a guide tube 36 which, surrounded by a concrete layer 37, rests in the ground 38. In order to also coat the guide tube 36 on the underside with the concrete layer, a T-beam 39 is placed there.
  • the support 14 has elevations 40 on the crossbeams, which in particular prevent the entire surface from rusting in the guide tube.
  • FIG. 17 shows a running rail 5 which is welded to a bracket with a reinforcing rail 32 with a box profile.
  • the console 41 is on a support 14 ' attached, which is supported like the support 14 in the ground.
  • FIG. 19 shows the carriage 29 in the running rail 5.
  • the carriage 29 has been shown together with the lower edge 42 of the rail.
  • the carriage 29 has a housing 43 which is extended to form a flange 44 which protrudes from the longitudinal slot 35 of the running rail 5.
  • Four rollers 45 are rotatably mounted on the housing 43 and roll on the inner shoulders 46 of the running rail 5.
  • Eyes 47 are welded to the end faces of the housing 43, into which bearing bolts 48 are inserted, which carry rotatable guide rollers 49.
  • the guide rollers 49 engage in the longitudinal slot 35 of the running rail 5 and absorb lateral forces by rolling on the inner shoulders 46.
  • the tarpaulin 3 is screwed between the flange 44 and a plate 50.
  • the flange 44 and the plate 50 have four bores 51 and 52 aligned with one another.
  • the upper edge 53 of the plate 50 is rounded in accordance with the side 27 of the tarpaulin 3.
  • 21 and 22 show an arc piece 16 which extends with a radius 54 to the tennis court 1.
  • the arch piece 16 is welded to a base plate 55, a reinforcing rib 56 being welded between the arch piece 16 and the base plate 55.
  • the base plate 55 has a bore 57.
  • the arc piece 16 is the same in cross section of the running rail 5, so that carriages 29 can roll in it.
  • the lower punch 59 of the support 13 has a base plate 60 at the lower end and an external thread 61 at the upper end, on which a screwable clamping device 62 is guided.
  • a fixing bolt 63 can be inserted within an elongated hole 64 in bores 65 of the upper punch 66, wherein it rests on the upper edge of the clamping device 62. At inserted fixing bolt 63, the upper punch 66 is also moved in accordance with the displacement of the clamping device 62.
  • the ground anchor 9 shows a ground anchor 9, which is hammered into the tennis court 1, in two views, which are shifted by 90 °.
  • the ground anchor 9 consists of a T-profile which is chamfered on one side to a tip 67 and has a striking head 68 on the other side. On its central web, the ground anchor 9 has an eyelet 69 near the striking head 68, to which a tension cable 70 is fastened for lashing the tarpaulin 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Road Repair (AREA)
  • Golf Clubs (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Tents Or Canopies (AREA)
EP87103248A 1986-03-12 1987-03-06 Vorrichtung zum Abdecken von Tennisplätzen Expired - Lifetime EP0236983B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87103248T ATE75626T1 (de) 1986-03-12 1987-03-06 Vorrichtung zum abdecken von tennisplaetzen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863608188 DE3608188A1 (de) 1986-03-12 1986-03-12 Vorrichtung zum abdecken von tennisplaetzen
DE3608188 1986-03-12

Publications (3)

Publication Number Publication Date
EP0236983A2 EP0236983A2 (de) 1987-09-16
EP0236983A3 EP0236983A3 (en) 1990-06-06
EP0236983B1 true EP0236983B1 (de) 1992-05-06

Family

ID=6296140

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87103248A Expired - Lifetime EP0236983B1 (de) 1986-03-12 1987-03-06 Vorrichtung zum Abdecken von Tennisplätzen

Country Status (4)

Country Link
EP (1) EP0236983B1 (es)
AT (1) ATE75626T1 (es)
DE (2) DE3608188A1 (es)
ES (1) ES2031082T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602006006447D1 (de) 2006-09-01 2009-06-04 Bernard Hansez-Gonne Mehrzweck-Schutzüberzug für ein Sportfeld
DE112013006317T5 (de) * 2012-12-30 2015-09-10 Nutcracker Solutions As Stadion mit einem austauschbaren Spielfeld
US9126093B1 (en) * 2013-02-07 2015-09-08 Atlantic Recreation, Inc, ; System for retractable tennis court shade device
ES2676666B1 (es) * 2016-12-23 2019-04-29 Dealba Pastor Patents S L Cobertor de protección y conservación del cesped para campos de uso deportivo

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8419656U1 (de) * 1984-10-31 Wund, Josef, 7990 Friedrichshafen Abdeckvorrichtung für Spielfelder, Schwimmbecken od. dgl.
DE7912026U1 (de) * 1979-08-23 2000 Hamburg Schutzeinrichtung für im Freien liegende Flächen
FR581409A (es) * 1923-05-18 1924-11-28
GB253704A (en) * 1925-05-28 1926-06-24 Sidney Charles Packer Improvements in or relating to protective coverings for cricket pitches, tennis courts, bowling greens and the like
ES311341A1 (es) * 1965-04-02 1966-04-16 Manosalbas Gallardo Manuel Una instalaciën plegable para cubrir el terreno de juego de los campos de deportes
US3534511A (en) * 1968-04-08 1970-10-20 Michael Cappella Retractable cover for outdoor areas
GB1214798A (en) * 1969-07-24 1970-12-02 Herbert Alexander Adam Inflatable canopy for outdoor areas
AT303588B (de) * 1971-03-11 1972-11-27 Hans Thoeni Ing Einrichtung zum vorübergehenden Abdecken von großen Plätzen, insbesondere Sportplätzen
DE2447185A1 (de) * 1974-10-03 1976-04-08 Janssen Remmer Dipl Volkw Abdeckvorrichtung fuer sportplaetze
FR2495482A1 (fr) * 1980-12-10 1982-06-11 Villain Charles Dispositif destine a proteger les terrains de sport, tennis ou autres, ainsi que les piscines, contre vent, pluies, gelees afin de permettre leur utilisation des que les perturbations atmospheriques ont cesse
DE3130858A1 (de) * 1981-08-04 1983-05-26 Uwe 4950 Minden Müller Abdeckung fuer einen tennisplatz

Also Published As

Publication number Publication date
DE3778740D1 (de) 1992-06-11
EP0236983A2 (de) 1987-09-16
EP0236983A3 (en) 1990-06-06
DE3608188C2 (es) 1990-05-03
ES2031082T3 (es) 1992-12-01
DE3608188A1 (de) 1987-10-01
ATE75626T1 (de) 1992-05-15

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