EP0829598A1 - Überdachungskonstruktion - Google Patents

Überdachungskonstruktion Download PDF

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Publication number
EP0829598A1
EP0829598A1 EP97202803A EP97202803A EP0829598A1 EP 0829598 A1 EP0829598 A1 EP 0829598A1 EP 97202803 A EP97202803 A EP 97202803A EP 97202803 A EP97202803 A EP 97202803A EP 0829598 A1 EP0829598 A1 EP 0829598A1
Authority
EP
European Patent Office
Prior art keywords
rod
rods
canopy structure
structure according
tensioned
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP97202803A
Other languages
English (en)
French (fr)
Inventor
Aart Johan Willem V.D. Stigchel
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.)
Werner BV
Original Assignee
Werner BV
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 Werner BV filed Critical Werner BV
Publication of EP0829598A1 publication Critical patent/EP0829598A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B19/00—Special folding or telescoping of umbrellas
    • A45B19/02—Inflatable umbrellas; Umbrellas without ribs
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00—Other umbrellas
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/28—Umbrella type tents
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
    • E04H15/58—Closures; Awnings; Sunshades
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B19/00—Special folding or telescoping of umbrellas
    • A45B19/02—Inflatable umbrellas; Umbrellas without ribs
    • A45B2019/023—Umbrellas with stretchers only
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00—Other umbrellas
    • A45B2023/0012—Ground supported umbrellas or sunshades on a single post, e.g. resting in or on a surface there below
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00—Other umbrellas
    • A45B2023/0093—Sunshades or weather protections of other than umbrella type

Definitions

  • the invention relates to a canopy structure with a frame supporting a cloth.
  • Suchlike structures can have the shape of a canopy such as an umbrella or a parasol, there then being be a central rod, or can be tent-shaped, in which case there will usually be several support poles at the corners of the tent.
  • An object of the invention is to provide a canopy structure with which this can easily be achieved.
  • a canopy structure for that purpose, comprising a cloth and a frame supporting the cloth, which frame comprises a first rod as well as a number of second rods, which are at least almost all hingedly connected at their one end to central hinge means and which extend from the central hinge means in various substantially radial directions and are directed substantially transversely to the first rod and are connected at their other end by means of a circumferential belt to each other, at least one selected second rod being distinguished from the other second rods in that a first end thereof is separately slidable along the first rod from a position in which the selected second rod is substantially unloaded by normal forces, to a tensioned position which is located nearer but not beyond the dead centre or the collapse or pass-through position, which is, for instance, determined by a plane through the second ends of three of the second rods, in which tensioned position the radial distance between both ends of the selected second rod is increased, in which moreover means are present for fixing the first end of the selected second rod with regard to the first rod
  • the circumferential belt which can be in the shape of a line or can also be integrated in the cloth, or at least bring it to its ultimate location, after which tensioning the circumferential belt can easily take place by sliding the end, which is located there, of the selected second rod which is substantially radially extending from the first rod, along the first rod, which end is finally fixed in the tension position.
  • the final tensioning thus takes place by increasing the circumference of the circumferential belt, by sliding up the first end of the selected second rod in a direction perpendicular to the plane in which the circumferential belt is located.
  • the circumferential belt may be almost free of stretch.
  • the movement of the first end of the selected second rod along the first rod when transferring it from the unloaded to the tension position is - with a view to attaining a certain tension in the circumferential belt - (a number of times) larger than the movement which the second rods would have to undergo if they were all jointly brought into the tension position.
  • the distribution of the second rods in groups makes for a lighter ultimate tensioning action.
  • the selected second rod is arranged for rotation in a plane which encompasses the first rod, during the movement of the first end of the selected second rod to the tensioned position.
  • the latter has the appearance of an umbrella or parasol.
  • the first end of the selected second rod is hingedly connected to the central hinge means.
  • cords extend between a first end of the first rod and the outer ends of the second rods.
  • These cords are flexible and preferably made of almost stretch-free material.
  • the cords serve to transmit pulling forces and are preferably formed by separate threads, but can, if so desired, alternatively be formed by seams in the cloth, if the latter is connected to the first end of the first rod.
  • the selected second rod, the cord connected thereto and a portion of the first rod thus form a tension triangle, an vertex (the first end of the selected second rod) of which is moved to enlarge the side determined by the first rod, but at the same time another vertex (the second end of the said second rod) of which is moved outwards so as to tension the circumferential belt or to pull it taut.
  • the selected second rod on the one hand and the other second rods on the other hand are connected to one or more separate central hinge means, respectively, which are hub-shaped, for instance, and are independently slidable along the first rod and can be fixed thereto.
  • the user can easily engage the first hub or first hubs so as to thereby bring the other second rods into their end position, and then engage the selected second hub to bring this into the tensioned position.
  • the first and the second hub can be fixed with regard to each other by means of a tensioning cord or by means of suitable snap connections.
  • the second hub can be provided with several selected second rods, so that two or three second rods will be brought into the tensioned position after the other second rods have been brought into the tensioned position, for instance.
  • the first rod can be provided at one end, the lower end, with means for support on a base or for connection to a fixed support.
  • the first rod can be kept short. In that case that one second rod can then extend to outside the cloth for attachment to a support, so that an awning-like structure is, for instance, formed.
  • the central hinge means are located between the end of the first rod that supports the cords and the perpendicular projection of the second end of the selected second rod on the first rod.
  • the latter has the shape of a tent, in which the second end of the selected second rod is hingedly connected to the central hinge means.
  • the second rods are preferably connected with their other end to poles, to which the first rod belongs.
  • sliding up the first end of the selected second rod along the first rod takes places on the outer side of the canopy structure.
  • the second rods can form two groups which are connected with a same central hinge means, in which the second rods of the first group extend therefrom in a radially upwardly inclined manner to the poles and the second rods of the second group thereof extending therefrom in a radially downwardly inclined manner to the poles.
  • the said tension triangle is formed by a second rod of the first group, a second rod of the second group (in which one of both rods is the said second rod) and the first rod. From the point of view of ease of operation it is moreover preferable that the said second rod belongs to the second group.
  • the parasol 1 is shown, comprising a cloth 100, and a frame 101.
  • the frame 101 comprises a central rigid tube 2, which can be placed in a conventional parasol holder. At the upper end the tube 2 is provided with a top hood 7 to which cords 6 are attached.
  • the frame 101 further comprises a series of buckle-resistant rods 3 and a series of buckle-resistant rods 4. At their inner, first end the rods 4 are connected by means of conventional hinges 12 to hinge member 11, which are formed as a whole with hub 13. At their second end, their outer end, the rods 4 are attached to a flexible, barely stretchable circumferential thread 5 and to respective cords 6.
  • the rods 3 are connected at their inner one end to hinge member 8, which is formed as a whole with hub 10, which is provided with a handgrip 19, and are attached at their other, outer end to the said circumferential thread 5.
  • the hubs 10 and 13 are slidable over the tube 2.
  • the buckle-resistant rods 3 and 4 which are preferably made of fibre glass, are secured against rotation in tangential direction in their hinge connections with the respective hubs.
  • the cloth 100 is attached in the middle to the top hood 7 and at the circumferential side to the flexible circumferential thread 5, and thus to the outer ends of the rods 3, 4.
  • the hub 10 is provided with a handgrip 20 (see figure 2) with which hub 10 can be pulled downwards, along the tube 2.
  • the hub 10 is further provided with a clamping screw 18, the function of which is explained below.
  • the tube 2 When erecting the parasol the tube 2 will first of all have to be placed in a suitable holder. At the lower end the tube 2 can also be provided with a sharp point, so that the latter can be secured in a stable manner in a ground suited for it. Then the user engages the handgrip 19 in order to pull the hub 10 downwards, at most to the dead centre for the rods 3 extending to either side. There is a stopping edge 17 on the tube 2 to prevent the hub 10 being slid too far down, through the dead centre. With the help of the clamping screw 16 the hub 10 is fixed in position on the tube 2. The described action can be carried out effortlessly by the user, because the circumferential thread 5 will not be or will hardly be tensioned as the rods 4 will still be in the starting position. However, the rods 3 are already positioned in their end position.
  • the tension cord 14 is engaged by the user, which tension cord is attached with one end to the hub 10 and passes upwards towards the hub 13 where it is turned about pulley guide 18 and then passes downward to a position where the tension cord 14 can be reached by the user.
  • the hub 13 will move downwards in the direction A, until the hub 13 reaches the hub 10.
  • a cord clamp 15 can also be utilized to fix the tension cord in a tensioned position. The user can pull down the hub 13 without much difficulty and in a controlled manner.
  • the circumferential thread 5 will be tensioned.
  • the triangles 0 (see figure 3), each formed by a support thread 6, a rod 4 and an upper portion of the tube 2, are enlarged by moving the outer vertex, whilst rotating one side (the rods 4) and enlarging a side (the upper portion of the tube 2).
  • the triangles 0 (see figure 3), each formed by a support thread 6, a rod 4 and an upper portion of the tube 2 are enlarged by moving the outer vertex, whilst rotating one side (the rods 4) and enlarging a side (the upper portion of the tube 2).
  • the second hub 13 will build up tension over a relatively large length - the stroke is longer in other words - whereby the force to be exerted for that purpose can remain relatively low, even approximately half the force which would be necessary if the hubs 10 and 13 were to be formed as a whole.
  • the hub 13 can also be divided, in which case first the one rod 4 and then after that the other rod 4 is brought into the tensioned position. In that case the tensile force does not have to be generated until the latter rod 4 is operated.
  • the rods of every pair 3, 3 and 4, 4 do not have to lie exactly in one plane with the axis of the rod 2. It is possible that the engaging points of two rods are located on both sides of the rod 2 on a same side of that rod, for instance in one tangential plane of the rod 2. Nor is necessary for the vertices of the canopy to lie in one plane: the lengths of the rods 4 can be different, for instance. Furthermore, both the hinge points of a hub can be spaced to some degree, as seen in the direction of the rod 2, in which case the rod has to take up a bending moment.
  • parasol 1 of the figures 1-3 use is made of a simple construction, which can be lightweight, simply erected and which can be brought to a high tension using relatively little force, in which large spans, for example 10 metres, are possible.
  • the rod 2 can be made shorter, even so short that the lower end comes to rest at a (slightly) higher position that the circumferential thread 5.
  • a canopy is then obtained which can be placed on a base with the ends of two rods 3 and 4, for instance.
  • a stable canopy wall can be speedily erected, which can be used in the case of road accidents, for example (figure 8A).
  • suchlike canopies can be coupled to form a tent, with a canopy as upper panel and for instance two canopies as side panels (figure 8B).
  • the canopies which are hingedly connected to one another at the location of their corners, are also connected to one another by means of connecting rods 45 which are hingedly attached with their ends to the central rods 2 of the canopies at the location of hinges 46.
  • the structure can therefore hardly deform.
  • one or more of the rods 3 and 4 can be provided at their outer end with a coupling member, which can be coupled to a complementary coupling member on a rod of an adjacent canopy.
  • the coupling is preferably detachable.
  • the coupling is in addition preferably formed as a hinge connection.
  • the canopy is made more flat, by ensuring a relative small distance between the apex of the canopy and the plane through the vertices in a tensioned position, then passing or collapsing through is made possible in that at least one of the hinges 12 enables a rotation of the rod 4 through an angle much greater that 90°, for example around 180°.
  • the rod 2 can then be tilted into a position shown in figure 8C. Hence the mutual distance between the ends of both rods 4 located at the rod 2 is reduced by S (the mutual distance between the hinge 12), whereby collapsing through is facilitated.
  • the cloth can be tensioned at the side of the hubs facing away from the top.
  • the cloth can then coincide with the plane through the vertices of the canopy and be completely flat, so as to be used as projection screen, for example ( Figure 8D).
  • FIG 4 an alternative embodiment of a parasol according to the invention is shown.
  • the parasol 21, of which only the frame member is shown, does indeed comprise a central tube 22, but the latter is of a length limited to that which is needed for tensioning the parasol.
  • Two rods 63a are hingedly connected to the hub 70 and three rods 64 are hingedly connected to the hub 73.
  • the rods 63a, 63b and 64 are each connected to a circumferential thread 65, and each connected by means of support threads 66 to the top hood 67.
  • the hub 70 is furthermore rigidly connected to an outer end of rigid bar 63b, which is inserted with its other end into a holder 60 attached to a wall 80.
  • the handgrip 79 When erecting the parasol 31 the handgrip 79 is pushed upward, as a result of which the tube 62 slides up in the hub 70 until a predetermined position has been reached, which can, for example, be fixed by means of a snap connection (not shown). Subsequently in the same way in which it is done with the parasol in figures 1-3, the hub 73 can be pulled downward in the direction of A until it arrives against the hub 70, after which the relative position of the hub 73 with regard to the tube 62 can be fixed using suitable means. In that case, too, the circumferential thread 65 will be tensioned, and the cloth, which is here also attached to the top hood 67 and to the circumferential thread 65, will be very taut.
  • FIG 5 the frame 31 for a tent structure is shown.
  • the frame 31 is constructed of a central hinge 41 (see in particular figure 5A), which is in fact built up of two plates forming a whole.
  • the hinge plate 41 is further provided with a central bore 42, into which possibly a central rod can be inserted to lift up the centre of the tent cloth into an apex.
  • the rods 33a are each provided at their outer end with hinge connection 36, for connecting to poles 32, 32a.
  • a first circumferential thread 35a runs through the hinge connections 36, and connects all hinge connections 36 with one another. Approximately halfway along the poles 32, 32a the latter are connected with a second circumferential thread 35b.
  • the rods 33b, 34 are provided at their outer ends with connecting means 37a, 37b, which can cooperate with suitable connecting means on the poles 32, 32a at the location of the attachment thereon of the circumferential thread 35b.
  • the attaching outer end 37b is at the same time, by means of a tension cored 38, which is turned over a pulley 40 at the location of the upper end of the pole 32a and runs downward to a position at which the user can engage the tension cord 38.
  • the user then tightens the cord 38, downwards, as a result of which the attaching end 37b will slide upward along the pole 32, until it reaches close to the connection of the circumferential thread 35b to the pole 32a.
  • This position is then secured by fixing the tension cord 38 in cord clamp 39 which is attached to the pole 32a. In that situation the frame 31 with the circumferential threads 35a and 35b is completely tensioned and forms a stable support for a tent cloth.
  • the tent cloth can be loose, in which case it can then be placed over the frame 31, or already be attached to at least the circumferential thread 35a. It is possible to insert a ridge rod in the hole 42 in the hinge 41, to keep the centre of the cloth up high with a view to drainage.
  • a tension triangle O is thus again formed, by a rod 33a, the rod 34 and the upper portion of the pole 32a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Tents Or Canopies (AREA)
EP97202803A 1996-09-13 1997-09-15 Überdachungskonstruktion Withdrawn EP0829598A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1004026 1996-09-13
NL1004026A NL1004026C2 (nl) 1996-09-13 1996-09-13 Schermconstructie.

Publications (1)

Publication Number Publication Date
EP0829598A1 true EP0829598A1 (de) 1998-03-18

Family

ID=19763513

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97202803A Withdrawn EP0829598A1 (de) 1996-09-13 1997-09-15 Überdachungskonstruktion

Country Status (2)

Country Link
EP (1) EP0829598A1 (de)
NL (1) NL1004026C2 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001035786A1 (en) * 1999-11-17 2001-05-25 Powerbrella Cc An umbrella mechanism
NL1019677C2 (nl) * 2001-12-28 2003-07-01 New Business Initiatives B V Samenstel van een gestel en daardoor op te spannen doek.
EP1410729A1 (de) * 2002-10-18 2004-04-21 Brutsaert Trading, besloten vennootschap met beperkte aansprakelijkheid Vorrichtung zur Befestigung eines Schirmes, zum Beispiel eines Sonnen- oder Regenschirmes oder ähnlichem an einer Halterung
WO2005102098A1 (en) * 2004-04-27 2005-11-03 Vanquaille Amand Martinus Suza Improved shade, more particularly an umbrella and/or sunshade
EP1813740A1 (de) * 2006-01-31 2007-08-01 Société Dalo Frères Unterstand
US7861734B2 (en) 2009-01-13 2011-01-04 Oliver Joen-An Ma Umbrella hub with cord lock feature
US7992581B2 (en) 2005-06-09 2011-08-09 Senz Technologies B.V. Canopy device
US8356613B2 (en) 2009-01-13 2013-01-22 Oliver Joen-An Ma Umbrella hub with cord lock feature
US8555905B2 (en) 2009-01-13 2013-10-15 Oliver Joen-An Ma Umbrella hub with cord lock feature
CN112531349A (zh) * 2020-11-27 2021-03-19 中国科学院空天信息创新研究院 一种天线展开机构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8704106U1 (de) * 1987-03-19 1987-04-30 Lennarz, Hubert, 5138 Heinsberg, De
EP0409639A2 (de) * 1989-07-21 1991-01-23 Fox Design International Limited Schirm
GB2265165A (en) * 1992-03-17 1993-09-22 Anthony James Sheldon Collapsible umbrella-like shelter
GB2297099A (en) * 1995-01-18 1996-07-24 Reginald George Purssord Umbrella-like shelter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8704106U1 (de) * 1987-03-19 1987-04-30 Lennarz, Hubert, 5138 Heinsberg, De
EP0409639A2 (de) * 1989-07-21 1991-01-23 Fox Design International Limited Schirm
GB2265165A (en) * 1992-03-17 1993-09-22 Anthony James Sheldon Collapsible umbrella-like shelter
GB2297099A (en) * 1995-01-18 1996-07-24 Reginald George Purssord Umbrella-like shelter

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001035786A1 (en) * 1999-11-17 2001-05-25 Powerbrella Cc An umbrella mechanism
US6810893B1 (en) 1999-11-17 2004-11-02 Powerbrella Clare Corporation Umbrella mechanism
NL1019677C2 (nl) * 2001-12-28 2003-07-01 New Business Initiatives B V Samenstel van een gestel en daardoor op te spannen doek.
WO2003060258A2 (en) * 2001-12-28 2003-07-24 New Business Initiatives B V Assembly of a frame and a cloth to be stretched thereon
WO2003060258A3 (en) * 2001-12-28 2003-12-11 New Business Initiatives B V Assembly of a frame and a cloth to be stretched thereon
EP1410729A1 (de) * 2002-10-18 2004-04-21 Brutsaert Trading, besloten vennootschap met beperkte aansprakelijkheid Vorrichtung zur Befestigung eines Schirmes, zum Beispiel eines Sonnen- oder Regenschirmes oder ähnlichem an einer Halterung
BE1015149A3 (nl) * 2002-10-18 2004-10-05 Brutsaert Trading Bv Met Beper Inrichting voor het bevestigen van een scherm, bijvoorbeeld een zonnescherm, regenscherm of dergelijke op een steun.
BE1015996A3 (nl) * 2004-04-27 2006-01-10 Anverre Bv Met Beperkte Aanspr Verbeterd scherm, meer speciaal een regen- en/of zonnescherm.
WO2005102098A1 (en) * 2004-04-27 2005-11-03 Vanquaille Amand Martinus Suza Improved shade, more particularly an umbrella and/or sunshade
US7992581B2 (en) 2005-06-09 2011-08-09 Senz Technologies B.V. Canopy device
EP1813740A1 (de) * 2006-01-31 2007-08-01 Société Dalo Frères Unterstand
FR2896815A1 (fr) * 2006-01-31 2007-08-03 Dalo Freres Sarl Soc Abri
US7861734B2 (en) 2009-01-13 2011-01-04 Oliver Joen-An Ma Umbrella hub with cord lock feature
US8356613B2 (en) 2009-01-13 2013-01-22 Oliver Joen-An Ma Umbrella hub with cord lock feature
US8555905B2 (en) 2009-01-13 2013-10-15 Oliver Joen-An Ma Umbrella hub with cord lock feature
CN112531349A (zh) * 2020-11-27 2021-03-19 中国科学院空天信息创新研究院 一种天线展开机构

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