EP3478119B1 - Collapsible supporting frame for a hammock - Google Patents

Collapsible supporting frame for a hammock Download PDF

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Publication number
EP3478119B1
EP3478119B1 EP17740605.5A EP17740605A EP3478119B1 EP 3478119 B1 EP3478119 B1 EP 3478119B1 EP 17740605 A EP17740605 A EP 17740605A EP 3478119 B1 EP3478119 B1 EP 3478119B1
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Prior art keywords
struts
hammock
foot
plug
tetrahedron
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EP17740605.5A
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German (de)
French (fr)
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EP3478119A1 (en
Inventor
Max KITZBERGER
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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
    • A45F3/22—Hammocks; Hammock spreaders
    • A45F3/24—Stands; Supports

Definitions

  • the invention relates to a collapsible support frame for a hammock with a frame body made of straight struts symmetrical to a longitudinal center plane and the struts connecting the struts together, which form plug-in receptacles for the struts.
  • the support frame can be adapted to different support lengths for the hammock
  • the two frame parts are connected by a longitudinal strut which engages on the node pieces and which are composed of two partial struts which can be adjusted in relation to one another in order to be able to set different support lengths for the hammock.
  • the node pieces must support the weight and torque loads of the struts, so that welded connections between the struts and the node pieces must be provided.
  • DE7517899U also describes a support frame for a hammock.
  • the invention is therefore based on the object of designing a collapsible support frame for a hammock in such a way that, despite a light construction, the weight and torque loads which occur can be safely absorbed without impairing the handling of the frame body during assembly or disassembly.
  • the invention solves this problem by the features of claim 1.
  • the invention achieves the object in that the frame body comprises two node pieces with plug-in receptacles for three struts spanning a tetrahedron, two of which act as foot struts and the third strut extending in the plane of symmetry between the two foot struts as Support arm for the hammock are designed so that between the two knot pieces on the side facing away from the tetrahedron a longitudinal strut engaging in aligned plug-in receptacles of the knot pieces is provided and that both the struts forming a tetrahedron and the foot struts of the opposing knot pieces are connected to one another at the strut ends attacking traction devices are connected.
  • the struts Due to the additional mutual tensioning of the struts starting from a node piece, spanning a tetrahedron with each other and the foot struts of the opposing tetrahedra, the struts are essentially stressed as compression rods, so that the node pieces remain largely free of bending moment loads. This means that the main task of the plug-in receptacles is to form an abutment for pressure support for the struts attacking the node pieces.
  • the length of the support arms for the hammock at least twice the length of the foot struts. If the longitudinal strut between the two node pieces is formed from two partial struts which can be plugged together, the space required for the folded support frame is reduced, which is then determined not by the longitudinal strut but by the length of the support arms.
  • the support frame shown has a frame body 1 with two node pieces 2, 3 defining a longitudinal axis of the frame, which are separated by a Longitudinal strut 4 are interconnected.
  • the longitudinal strut 4 which can preferably be composed of two partial struts 5, 6, engages in a plug receptacle 7 of the node pieces 2, 3.
  • the node pieces 2, 3 are also provided with plug-in receptacles 8, 9 for three struts, namely two foot struts 10 and a support arm 11, which span a tetrahedron.
  • Spherical bodies which are provided with radial openings for the plug-in receptacles 7, 8 and 9 are preferably used as the node pieces 2, 3.
  • the support arms 11 for the hammock 12 lie in the plane of symmetry forming a longitudinal center plane of the frame body 1 between the foot struts 10.
  • the foot struts 10 and the support arm 11 are each braced against one another by traction means 13, preferably ropes. which run along the rest of the tetrahedron edges, so that the traction means 13 suspended between the ends of the foot struts 10 and the support arm 11 prevent the tetrahedra spanned by the foot struts 10 and the support arm 11 from spreading apart.
  • the foot struts 10 of the mutually opposite node pieces 2, 3 are mutually connected by traction means 14, as is the case in particular Fig. 3 can be removed.
  • the traction means 14 connecting the foot struts 10 of the opposite node pieces 2, 3 can also run crosswise, because it is only the task of these traction means 14 to avoid spreading the foot struts 10 in the direction of the longitudinal axis of the frame.

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  • Invalid Beds And Related Equipment (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Tents Or Canopies (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Description

Technisches GebietTechnical field

Die Erfindung bezieht sich auf ein zusammenlegbares Traggestell für eine Hängematte mit einem zu einer Längsmittelebene symmetrischen Gestellkörper aus geraden Streben und die Streben miteinander verbindenden Knotenstücken, die Steckaufnahmen für die Streben bilden.The invention relates to a collapsible support frame for a hammock with a frame body made of straight struts symmetrical to a longitudinal center plane and the struts connecting the struts together, which form plug-in receptacles for the struts.

Um ein einfaches zusammenlegbares Traggestell für eine Hängematte zu erhalten, ist es bekannt ( DE 343 872 ) DEN Gestellkörper aus zwei zu einer Längsmittelebene symmetrischen, im Wesentlichen U-förmigen Rahmenteilen zusammenzusetzen, die zur Aufnahme der Hängematte an ihren freien Enden miteinander verbunden und je für sich aus geraden Streben zusammengesetzt sind. Nachteilig bei diesen bekannten Gestellkörpern ist, dass die Streben und die die Streben aufnehmenden Steckverbindungen zwischen den Streben der Rahmenteile auf Biegung beansprucht werden, was vergleichsweise schwere Konstruktionen bedingt, was der Forderung nach einem leichtgewichtigen Traggestell entgegensteht.In order to obtain a simple collapsible support frame for a hammock, it is known ( DE 343 872 ) Assemble the frame body from two, essentially U-shaped frame parts that are symmetrical to a longitudinal center plane, which are connected to each other at their free ends to accommodate the hammock and are each composed of straight struts. A disadvantage of these known frame bodies is that the struts and the plug-in connections between the struts of the frame parts are subjected to bending, which necessitates comparatively heavy structures, which contradicts the requirement for a lightweight support frame.

Damit das Traggestell an unterschiedliche Abstützlängen für die Hängematte angepasst werden kann, ist es darüber hinaus bekannt ( DE 24 47 696 A ), den Gestellkörper aus zwei Gestellteilen zusammenzusetzen, die je drei durch ein Knotenstück miteinander verbundene, ein Tetraeder aufspannende Streben umfassen, von denen zwei als Fußstreben und die dritte in der Symmetrieebene zwischen den beiden Fußstreben verlaufende Strebe als Tragarm für die Hängematte ausgebildet sind. Die beiden Gestellteile sind durch eine an den Knotenstücken angreifende Längsstrebe verbunden, die aus zwei gegeneinander längsverstellbaren Teilstreben zusammengesetzt sind, um unterschiedliche Abstützlängen für die Hängematte einstellen zu können. Auch bei dieser Konstruktion müssen die Knotenstücke die Gewichts- und Drehmomentbelastungen der Streben aufnehmen, sodass Schweißverbindungen zwischen den Streben und den Knotenstücken vorgesehen werden müssen. DE7517899U beschreibt auch ein Traggestell für eine Hängematte.So that the support frame can be adapted to different support lengths for the hammock, it is also known ( DE 24 47 696 A ) to assemble the frame body from two frame parts, each comprising three struts connected to each other by a knot, spanning a tetrahedron, two of which are designed as foot struts and the third strut running in the plane of symmetry between the two foot struts as a support arm for the hammock. The two frame parts are connected by a longitudinal strut which engages on the node pieces and which are composed of two partial struts which can be adjusted in relation to one another in order to be able to set different support lengths for the hammock. This one too Construction, the node pieces must support the weight and torque loads of the struts, so that welded connections between the struts and the node pieces must be provided. DE7517899U also describes a support frame for a hammock.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt somit die Aufgabe zugrunde, ein zusammenlegbares Traggestell für eine Hängematte so auszugestalten, dass trotz einer leichten Konstruktion die auftretenden Gewichts- und Drehmomentbelastungen sicher aufgenommen werden können, ohne die Handhabung des Gestellkörpers beim Zusammenbau oder beim Zerlegen zu beeinträchtigen. Die Erfindung löst die gestellte Aufgabe durch die Merkmale des Anspruchs 1.The invention is therefore based on the object of designing a collapsible support frame for a hammock in such a way that, despite a light construction, the weight and torque loads which occur can be safely absorbed without impairing the handling of the frame body during assembly or disassembly. The invention solves this problem by the features of claim 1.

Ausgehend von einem Traggestell der eingangs geschilderten Art löst die Erfindung die gestellte Aufgabe dadurch, dass der Gestellkörper zwei Knotenstücke mit Steckaufnahmen für je drei ein Tetraeder aufspannende Streben umfasst, von denen zwei als Fußstreben und die dritte in der Symmetrieebene zwischen den beiden Fußstreben verlaufende Strebe als Tragarm für die Hängematte ausgebildet sind, dass zwischen den beiden Knotenstücken auf der dem Tetraeder abgewandten Seite eine in fluchtende Steckaufnahmen der Knotenstücke eingreifende Längsstrebe vorgesehen ist und dass sowohl die jeweils einen Tetraeder bildenden Streben als auch die Fußstreben der einander gegenüberliegenden Knotenstücke miteinander durch an den Strebenenden angreifende Zugmittel verbunden sind.Starting from a support frame of the type described at the outset, the invention achieves the object in that the frame body comprises two node pieces with plug-in receptacles for three struts spanning a tetrahedron, two of which act as foot struts and the third strut extending in the plane of symmetry between the two foot struts as Support arm for the hammock are designed so that between the two knot pieces on the side facing away from the tetrahedron a longitudinal strut engaging in aligned plug-in receptacles of the knot pieces is provided and that both the struts forming a tetrahedron and the foot struts of the opposing knot pieces are connected to one another at the strut ends attacking traction devices are connected.

Durch die zusätzliche gegenseitige Zugmittelabspannung der von einem Knotenstück ausgehenden, ein Tetraeder aufspannenden Streben untereinander sowie der Fußstreben der einander gegenüberliegenden Tetraeder werden die Streben im Wesentlichen als Druckstäbe beansprucht, sodass die Knotenstücke weitgehend frei von Biegemomentbelastungen bleiben. Dies bedeutet, dass den Steckaufnahmen vor allem die Aufgabe zukommt, für die an den Knotenstücken angreifenden Streben ein Widerlager zur Druckabstützung zu bilden. Da somit eine einseitige Einspannung der Streben in den Steckaufnahmen im Sinne eines Biegeträgers entfällt, werden vorteilhafte Voraussetzungen für nicht zu sichernde Steckverbindungen geschaffen, weil die Streben durch die Zugmittelabspannungen im Steckeingriff gehalten und bei einer durch eine Hängemattenbenützung bedingten Druckbelastung in Richtung des Steckeingriffs belastet werden. Wegen der im Sinne von Druckstäben eingesetzten Streben können diese vergleichsweise leicht ausgebildet werden, was der Handhabung des Gestellkörpers beim Zusammenbau und beim Zusammenlegen zugutekommt, zumal keine hohe Passgenauigkeit zu fordern ist. Die zusätzliche Zugmittelabspannung bringt keine Schwierigkeiten mit sich, weil die Zugmitteltrume lediglich in an den Streben vorbereitete Anschlüsse einzuhängen sind.Due to the additional mutual tensioning of the struts starting from a node piece, spanning a tetrahedron with each other and the foot struts of the opposing tetrahedra, the struts are essentially stressed as compression rods, so that the node pieces remain largely free of bending moment loads. This means that the main task of the plug-in receptacles is to form an abutment for pressure support for the struts attacking the node pieces. Since a one-sided clamping of the struts in the plug-in receptacles in the sense of a flexible beam is thus eliminated, advantageous conditions become for non-securing Plug-in connections created because the struts are held in engagement by the traction means anchoring and are loaded in the direction of the engagement by a pressure load caused by the use of a hammock. Because of the struts used in the sense of compression rods, these can be made comparatively light, which benefits the handling of the frame body during assembly and folding, especially since there is no need for a high accuracy of fit. The additional traction means does not pose any difficulties because the traction means only have to be hooked into connections prepared on the struts.

Damit die Höhe der Hängemattenabstützung trotz der unterhalb der Hängematte verlaufenden Längsstrebe niedrig gehalten werden kann, empfiehlt es sich, die Länge der Tragarme für die Hängematte wenigstens entsprechend der doppelten Länge der Fußstreben zu wählen. Wird die Längstrebe zwischen den beiden Knotenstücken aus zwei zusammensteckbaren Teilstreben gebildet, so wird der Platzbedarf für das zusammengelegte Traggestell verringert, der dann nicht durch die Längsstrebe, sondern durch die Länge der Tragarme bestimmt wird.So that the height of the hammock support can be kept low despite the longitudinal strut running underneath the hammock, it is advisable to choose the length of the support arms for the hammock at least twice the length of the foot struts. If the longitudinal strut between the two node pieces is formed from two partial struts which can be plugged together, the space required for the folded support frame is reduced, which is then determined not by the longitudinal strut but by the length of the support arms.

Kurze Beschreibung der ZeichnungBrief description of the drawing

In der Zeichnung ist der Erfindungsgegenstand beispielsweise dargestellt. Es zeigen

Fig. 1
ein erfindungsgemäßes zusammenlegbares Traggestell für eine Hängematte in einer Seitenansicht,
Fig. 2
diese Traggestell in einer stirnseitigen Ansicht in einem größeren Maßstab und
Fig. 3
das Traggestell in einem axonometrischen Schaubild.
The subject matter of the invention is shown in the drawing, for example. Show it
Fig. 1
an inventive collapsible support frame for a hammock in a side view,
Fig. 2
this support frame in a frontal view on a larger scale and
Fig. 3
the support frame in an axonometric diagram.

Weg zur Ausführung der ErfindungWay of carrying out the invention

Das dargestellte Traggestell weist einen Gestellkörper 1 mit zwei eine Gestelllängsachse bestimmenden Knotenstücken 2, 3 auf, die durch eine Längsstrebe 4 miteinander verbunden sind. Die Längsstrebe 4, die vorzugsweise aus zwei Teilstreben 5, 6 zusammensetzbar ist, greift zu diesem Zweck in je eine Steckaufnahme 7 der Knotenstücke 2, 3 ein. Die Knotenstücke 2, 3 sind außerdem mit Steckaufnahmen 8, 9 für drei Streben, nämlich zwei Fußstreben 10 und einem Tragarm 11, versehen, die ein Tetraeder aufspannen. Als Knotenstücke 2, 3 kommen vorzugsweise Kugelkörper infrage, die mit radialen Öffnungen für die Steckaufnahmen 7, 8 und 9 versehen sind.The support frame shown has a frame body 1 with two node pieces 2, 3 defining a longitudinal axis of the frame, which are separated by a Longitudinal strut 4 are interconnected. For this purpose, the longitudinal strut 4, which can preferably be composed of two partial struts 5, 6, engages in a plug receptacle 7 of the node pieces 2, 3. The node pieces 2, 3 are also provided with plug-in receptacles 8, 9 for three struts, namely two foot struts 10 and a support arm 11, which span a tetrahedron. Spherical bodies which are provided with radial openings for the plug-in receptacles 7, 8 and 9 are preferably used as the node pieces 2, 3.

Die Tragarme 11 für die Hängematte 12 liegen in der eine Längsmittelebene des Gestellkörpers 1 bildenden Symmetrieebene zwischen den Fußstreben 10. An den dem Knotenstück 2, 3 abgekehrten Enden sind die Fußstreben 10 und der Tragarm 11 jeweils durch Zugmittel 13, vorzugsweise Seile, gegeneinander abgespannt, die entlang der restlichen Tetraederkanten verlaufen, sodass die jeweils zwischen den Enden der Fußstreben 10 und des Tragarms 11 eingehängten Zugmittel 13 ein Aufspreizen der jeweils durch die Fußstreben 10 und den Tragarm 11 aufgespannten Tetraeder unterbinden. Außerdem sind die Fußstreben 10 der einander gegenüberliegenden Knotenstücke 2, 3 gegenseitig durch Zugmittel 14 verbunden, wie dies insbesondere der Fig. 3 entnommen werden kann. Die die Fußstreben 10 der einander gegenüberliegenden Knotenstücke 2, 3 verbindenden Zugmittel 14 können aber auch über Kreuz verlaufen, weil es lediglich Aufgabe dieser Zugmittel 14 ist, ein Spreizen der Fußstreben 10 in Richtung der Gestelllängsachse zu vermeiden.The support arms 11 for the hammock 12 lie in the plane of symmetry forming a longitudinal center plane of the frame body 1 between the foot struts 10. At the ends facing away from the node piece 2, 3, the foot struts 10 and the support arm 11 are each braced against one another by traction means 13, preferably ropes. which run along the rest of the tetrahedron edges, so that the traction means 13 suspended between the ends of the foot struts 10 and the support arm 11 prevent the tetrahedra spanned by the foot struts 10 and the support arm 11 from spreading apart. In addition, the foot struts 10 of the mutually opposite node pieces 2, 3 are mutually connected by traction means 14, as is the case in particular Fig. 3 can be removed. The traction means 14 connecting the foot struts 10 of the opposite node pieces 2, 3 can also run crosswise, because it is only the task of these traction means 14 to avoid spreading the foot struts 10 in the direction of the longitudinal axis of the frame.

Aufgrund der gegenseitigen Abspannung der Fußstreben 10 und des Tragarms 11 werden die sonst zu einer Biegebelastung des einseitig eingespannten Tragarms 11 führenden Belastungen durch einen Hängemattenbenützer von den Zugmitteln 13 aufgenommen und abgetragen, sodass der Tragarm 11, aber auch die Fußstreben 10 im Wesentlichen nur als Druckstäbe genützt werden, was eine vorteilhafte Voraussetzung für eine einfache, leicht zu handhabende Konstruktion darstellt. Zum Zusammenlegen der Gestellkörpers 1 brauchen zunächst lediglich die Zugmittel 13, 14 abgenommen zu werden, bevor die Streben aus den Steckaufnahmen 7, 8 und 9 der Knotenstücke 2, 3 herausgezogen werden und die Längsstrebe 4 in die Teilstreben 5, 6 zerlegt wird. Der Zusammenbau des zerlegten Gestellkörpers 1 erfolgt in umgekehrter Reihenfolge.Due to the mutual bracing of the foot struts 10 and the support arm 11, the loads that otherwise lead to bending stress on the support arm 11 clamped on one side are absorbed and removed by the traction means 13 by a hammock user, so that the support arm 11, but also the foot struts 10, essentially only as compression rods be used, which is an advantageous requirement for a simple, easy-to-use construction. To fold the frame body 1, only the traction means 13, 14 need to be removed before the struts are pulled out of the plug-in receptacles 7, 8 and 9 of the node pieces 2, 3 and Longitudinal strut 4 is broken down into the partial struts 5, 6. The dismantled frame body 1 is assembled in the reverse order.

Claims (3)

  1. Collapsible support frame for a hammock (12) having a frame body (1) which is symmetrical with respect to a longitudinal centre plane and is made of straight struts and joint pieces (2, 3) connecting the struts to one another and forming plug-in receivers (7, 8, 9) for the struts, wherein the frame body (1) comprises two joint pieces (2, 3) having plug-in receivers (7, 8, 9) for every three struts spanning a tetrahedron, two of the struts being formed as foot struts (10) and the third strut extending in the plane of symmetry between the two foot struts (10) being formed as a support arm (11) for the hammock (12), that, between the two joint pieces (2, 3) on the side facing away from the tetrahedron, a longitudinal strut (4) engaging into aligned plug-in receivers (7) of the joint pieces (2, 3) is provided, characterised in that the struts forming a respective tetrahedron and also the foot struts (10) of the mutually opposing joint pieces (2, 3) are connected to each other by traction means (13, 14) engaging on the strut ends.
  2. Support frame as claimed in claim 1, characterised in that the length of the support arms (11) for the hammock (12) corresponds to at least twice the length of the foot struts (10).
  3. Support frame as claimed in claim 1 or 2, characterised in that the longitudinal strut (4) is formed from two partial struts (5, 6) which can be plugged together.
EP17740605.5A 2016-06-29 2017-06-22 Collapsible supporting frame for a hammock Active EP3478119B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17740605T PL3478119T3 (en) 2016-06-29 2017-06-22 Collapsible supporting frame for a hammock

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50585/2016A AT518829B1 (en) 2016-06-29 2016-06-29 Collapsible support frame for a hammock
PCT/AT2017/050016 WO2018000006A1 (en) 2016-06-29 2017-06-22 Collapsible supporting frame for a hammock

Publications (2)

Publication Number Publication Date
EP3478119A1 EP3478119A1 (en) 2019-05-08
EP3478119B1 true EP3478119B1 (en) 2020-06-03

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ID=59366164

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Application Number Title Priority Date Filing Date
EP17740605.5A Active EP3478119B1 (en) 2016-06-29 2017-06-22 Collapsible supporting frame for a hammock

Country Status (8)

Country Link
US (1) US20190328116A1 (en)
EP (1) EP3478119B1 (en)
AT (1) AT518829B1 (en)
ES (1) ES2805961T3 (en)
HU (1) HUE050207T2 (en)
LT (1) LT3478119T (en)
PL (1) PL3478119T3 (en)
WO (1) WO2018000006A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD925246S1 (en) * 2018-10-24 2021-07-20 Vivere Cacoon Inc. Reclining chair
US11166538B2 (en) * 2020-02-02 2021-11-09 Calvin Fenton Anti-spreader hammock stand
AT17272U1 (en) * 2020-09-02 2021-10-15 Max Kitzberger Mag Collapsible support frame for a hammock

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7517899U (en) * 1975-06-05 1975-11-06 Riesner Rudolf Hammock with self-supporting, dismountable frame
DE4236689C2 (en) * 1992-10-30 1994-08-18 Jan Hansen Device for holding bags for collecting waste with two holding brackets
DE20110262U1 (en) * 2001-06-25 2001-09-20 Mayr, Stefan, 33659 Bielefeld Portable support frame
DE202006006427U1 (en) * 2006-04-21 2006-06-14 Amazonas Gmbh Frame for suspension of hammock has longitudinal bar with two support bars and four base bars whereby all bars are connected with one another and all bars are manufactured from bamboo lamination

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
AT518829A1 (en) 2018-01-15
ES2805961T3 (en) 2021-02-16
WO2018000006A1 (en) 2018-01-04
AT518829B1 (en) 2018-03-15
EP3478119A1 (en) 2019-05-08
US20190328116A1 (en) 2019-10-31
PL3478119T3 (en) 2020-11-16
LT3478119T (en) 2020-09-25
HUE050207T2 (en) 2020-11-30

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