EP1389481B1 - Impact shock absorber - Google Patents

Impact shock absorber Download PDF

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Publication number
EP1389481B1
EP1389481B1 EP03017493A EP03017493A EP1389481B1 EP 1389481 B1 EP1389481 B1 EP 1389481B1 EP 03017493 A EP03017493 A EP 03017493A EP 03017493 A EP03017493 A EP 03017493A EP 1389481 B1 EP1389481 B1 EP 1389481B1
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EP
European Patent Office
Prior art keywords
brake
members
shock absorber
impact shock
rope
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
EP03017493A
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German (de)
French (fr)
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EP1389481A1 (en
Inventor
Franz Wurzer
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Individual
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Individual
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Publication date
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Priority to AT03017493T priority Critical patent/ATE306296T1/en
Publication of EP1389481A1 publication Critical patent/EP1389481A1/en
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Publication of EP1389481B1 publication Critical patent/EP1389481B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/04Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion incorporating energy absorbing means

Definitions

  • the invention relates to a catch shock absorber for reducing a at a Fall occurring impact impact, with a brake body and one with the Brake body cooperating brake cable or brake band.
  • the object of the invention is to provide an improved impact absorber, which also includes children and people with low weight and climbers, heavier than the standard weight of 80 kg, the lowest possible Impact impact be suspended. According to the invention, this is achieved by a capture shock absorber with the features of claim 1.
  • a Fang crucialdämpfer invention serves a part of the frictional resistance the brake cable or brake band for compressing the two Stege. For heavy persons, this is the clamping acting on the rope greater than lighter weight people, resulting in an adjustment of the damping to the weight. Also an adjustment of the impact force to the height of fall is achieved. Also, the braking distance of the brake cable or brake band for people of different weights or different heights be approximately the same length.
  • the embodiment of the invention shown in the figures has a Brake body 1, which has a U-shaped bracket 2.
  • the two at the arcuate portion 7 of the bracket 2 subsequent parallel arms 3, 4th This temple 2 are formed by the two rod-shaped and with their Spanning longitudinal axes of mutually parallel webs 5, 6.
  • the bridge 6 is displaceable along the arms 3, 4, as in Fig. 1 by the double arrow. 8 is indicated.
  • the web 6 shown in Fig. 1 hatched holes 9, which are penetrated by the arms 3, 4.
  • the web 5 can on the side facing away from the arcuate portion 7 ends the arms 3, 4 be rigidly fixed.
  • the bridge 6 could be displaced be mounted on the arms 3, 4, wherein at the free ends of the arms 3, 4 stops are formed to pull down the web 5 of the arms 3, 4th to prevent.
  • FIGS. 3 and 4 The course of the brake cable over the brake body 1 is shown in FIGS. 3 and 4 seen.
  • a loop 14 is provided at a fall protection is set.
  • a via ferrata brake is this usually a rope extension or a band connection, the one to a Carabiner leads.
  • the brake body 1 is connected by means of a connecting element, For example, a sling or a carabiner, which at his arcuate portion 7 is hung on a safety belt of the user attached.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)
  • Vibration Dampers (AREA)
  • Braking Arrangements (AREA)
  • Road Signs Or Road Markings (AREA)
  • Fluid-Damping Devices (AREA)
  • Soil Working Implements (AREA)
  • Control Of Electric Motors In General (AREA)
  • Sink And Installation For Waste Water (AREA)

Abstract

The shock absorber at the brake stop system for a safety rope, used in work and mountaineering applications, has a brake body (1), with a stirrup (2), working with a brake cable (13) or ribbon, to take up the forces (17,18) on a fall. The brake body has at least two bars (5,6), and at least one of them has movement and with a variable gap between them. The brake cable/ribbon is passed through the gap between the bars, to form at least one loop (14) around them.

Description

Die Erfindung betrifft einen Fangstoßdämpfer zur Reduzierung eines bei einem Sturz auftretenden Fangstoßes, mit einem Bremskörper und einem mit dem Bremskörper zusammenwirkenden Bremsseil oder Bremsband.The invention relates to a catch shock absorber for reducing a at a Fall occurring impact impact, with a brake body and one with the Brake body cooperating brake cable or brake band.

Solche Fangstoßdämpfer werden herkömmlicherweise im Arbeitsschutz und im Bergsport eingesetzt. Im Arbeitsschutz werden diese Einrichtungen meist als Falldämpfer und im Bergsport als Klettersteigbremse bezeichnet.Such Fangstoßdämpfer are conventionally used in occupational safety and in Mountaineering used. In occupational safety these facilities are usually called Dampers and referred to in mountain sports as Klettersteigbremse.

Bekannt sind Fangstoßdämpfer mit einem plattenförmigen Bremskörper, welcher Löcher und Schlitze aufweist, durch die das Bremsseil so eingefädelt ist, dass es sich nur unter Überwindung einer entsprechenden Reibung verschieben lässt. Der Bremskörper wird mit einem Verbindungselement, beispielsweise einer Anschlinge oder einem Karabiner am Sicherungsgurt befestigt und das Sicherungsseil zur Absturzsicherung wird am Bremsseil festgemacht. Im Falle eines Sturzes in das Sicherungsseil wird das Bremsseil unter Überwindung seiner Reibung um eine Strecke verschoben, wobei der beim Sturz auftretende Fangstoß reduziert wird. Nachteilig an solchen herkömmlichen Fangstoßdämpfern ist es, dass diese auf ein bestimmtes Körpergewicht des Benutzers ausgelegt werden müssen (wie im Dokument CH 498631), üblicherweise 80 kg. Bei leichteren oder schwereren Benutzern ist die Funktion der Einrichtung beeinträchtigt.Are known Fangstoßdämpfer with a plate-shaped brake body, which Having holes and slots through which the brake cable is threaded so that it can be moved only by overcoming a corresponding friction. The brake body is provided with a connecting element, for example a stop or a carabiner attached to the safety belt and the safety rope for fall protection is fastened to the brake cable. In case of a fall in the safety rope is the brake cable overcoming its friction shifted a distance, which reduces the impact occurring during the fall becomes. A disadvantage of such conventional mufflers is that these must be designed for a specific body weight of the user (as in CH 498631), usually 80 kg. For lighter or heavier users, the function of the Facility impaired.

Im Arbeitsschutz kommen weiters noch genähte Fangstoßdämpfer zum Einsatz, deren Nähte bei einem Sturz hintereinander reißen und dadurch den Fangstoß reduzieren. Solche Fangstoßdämpfer müssen nach jedem Sturz ausgewechselt werden.In occupational safety, sewn-in impact absorbers are still being used, tear their seams in a fall behind the other and thereby the impact to reduce. Such shock absorbers must be replaced after each fall become.

Aufgabe der Erfindung ist es einen verbesserten Fangstoßdämpfer bereitzustellen, bei dem auch Kinder und Personen mit geringem Gewicht sowie Kletterer, die schwerer als das Normgewicht von 80 kg sind, einem geringstmöglichen Fangstoß ausgesetzt werden. Erfindungsgemäß geling dies durch einen Fangstoßdämpfer mit den Merkmalen des Patentanspruchs 1. The object of the invention is to provide an improved impact absorber, which also includes children and people with low weight and climbers, heavier than the standard weight of 80 kg, the lowest possible Impact impact be suspended. According to the invention, this is achieved by a capture shock absorber with the features of claim 1.

Bei einem erfindungsgemäßen Fangstoßdämpfer dient ein Teil des Reibungswiderstandes des Bremsseils oder Bremsbandes zum Zusammendrücken der beiden Stege. Bei schweren Personen ist dadurch die auf das Seil wirkende Klemmung größer als bei leichteren Personen, wodurch eine Anpassung der Dämpfung an das Gewicht erfolgt. Auch eine Anpassung des Fangstoßes an die Fallhöhe wird erreicht. Auch kann der Bremsweg des Bremsseils bzw. Bremsbandes bei unterschiedlich schweren Personen bzw. unterschiedlich hohen Fallhöhen annähernd gleich lang sein.In a Fangstoßdämpfer invention serves a part of the frictional resistance the brake cable or brake band for compressing the two Stege. For heavy persons, this is the clamping acting on the rope greater than lighter weight people, resulting in an adjustment of the damping to the weight. Also an adjustment of the impact force to the height of fall is achieved. Also, the braking distance of the brake cable or brake band for people of different weights or different heights be approximately the same length.

Weitere Vorteile und Einzelheiten der Erfindung werden im folgenden anhand des in der beiliegenden Zeichnung dargestellten Ausführungsbeispiels der Erfindung erläutert. In der Zeichnung zeigen:

  • Fig. 1 und Fig. 2 eine Ansicht und eine Seitenansicht des Bremskörpers allein und
  • Fig. 3 und Fig. 4 eine Ansicht und eine Seitenansicht mit eingefädeltem Bremsseil.
  • Further advantages and details of the invention are explained below with reference to the embodiment of the invention shown in the accompanying drawings. In the drawing show:
  • Fig. 1 and Fig. 2 is a view and a side view of the brake body alone and
  • Fig. 3 and Fig. 4 is a view and a side view with threaded brake cable.
  • Das in den Figuren dargestellte Ausführungsbeispiel der Erfindung weist einen Bremskörper 1 auf, welcher einen U-förmigen Bügel 2 besitzt. Die beiden an den bogenförmigen Abschnitt 7 des Bügels 2 anschließenden parallelen Arme 3, 4 dieses Bügels 2 werden von den beiden stabförmig ausgebildeten und mit ihren Längsachsen parallel zueinander liegenden Stegen 5, 6 überspannt. Der Steg 6 ist entlang der Arme 3, 4 verschiebbar, wie dies in Fig. 1 durch den Doppelpfeil 8 angedeutet ist. Hierzu weist der Steg 6 in Fig. 1 schraffiert dargestellte Bohrungen 9 auf, welche von den Armen 3, 4 durchsetzt werden. Durch eine Verschiebung des Steges 6 gegenüber dem Steg 5 kann die Breite des Spalts 10 zwischen den beiden Stegen 5, 6 verändert werden.The embodiment of the invention shown in the figures has a Brake body 1, which has a U-shaped bracket 2. The two at the arcuate portion 7 of the bracket 2 subsequent parallel arms 3, 4th This temple 2 are formed by the two rod-shaped and with their Spanning longitudinal axes of mutually parallel webs 5, 6. The bridge 6 is displaceable along the arms 3, 4, as in Fig. 1 by the double arrow. 8 is indicated. For this purpose, the web 6 shown in Fig. 1 hatched holes 9, which are penetrated by the arms 3, 4. By a shift of the web 6 opposite the web 5, the width of the gap 10 between the two webs 5, 6 are changed.

    Der Steg 5 kann auf den vom bogenförmigen Abschnitt 7 abgewandten Enden der Arme 3, 4 starr festgelegt sein. Ebenso könnte auch der Steg 6 verschiebbar auf den Armen 3, 4 gelagert sein, wobei an den freien Enden der Arme 3, 4 Anschläge ausgebildet sind, um ein Herunterziehen des Stegs 5 von den Armen 3, 4 zu verhindern.The web 5 can on the side facing away from the arcuate portion 7 ends the arms 3, 4 be rigidly fixed. Likewise, the bridge 6 could be displaced be mounted on the arms 3, 4, wherein at the free ends of the arms 3, 4 stops are formed to pull down the web 5 of the arms 3, 4th to prevent.

    Auf den einander zugewandten Seiten der Stege 5, 6 sind an beiden Stegen 5, 6 paarweise gegenüberliegende Rillen 11, 12 eingebracht, beim gezeigten Ausführungsbeispiels entlang eines Steges 5, 6 jeweils 4 Rillen 11, 12. Durch diese Rillen 11, 12 läuft das Bremsseil 13.On the mutually facing sides of the webs 5, 6 are on both webs 5, 6 pairs opposite grooves 11, 12 introduced, in the illustrated embodiment along a web 5, 6 each 4 grooves 11, 12. Through these grooves 11, 12, the brake cable 13 runs.

    Der Verlauf des Bremsseiles über den Bremskörper 1 ist aus den Fig. 3 und 4 ersichtlich. Am einen Ende des Bremsseiles ist eine Schlaufe 14 vorgesehen, an der eine Absturzsicherung festgelegt wird. Im Falle einer Klettersteigbremse ist dies üblicherweise eine Seilverlängerung oder ein Bandanschluss, der zu einem Karabiner führt. Der Bremskörper 1 wird mittels eines Verbindungselementes, beispielsweise einer Bandschlinge oder eines Karabiners, welches an seinem bogenförmigen Abschnitts 7 eingehängt wird, an einem Sicherungsgurt des Benutzers befestigt.The course of the brake cable over the brake body 1 is shown in FIGS. 3 and 4 seen. At one end of the brake cable a loop 14 is provided at a fall protection is set. In the case of a via ferrata brake is this usually a rope extension or a band connection, the one to a Carabiner leads. The brake body 1 is connected by means of a connecting element, For example, a sling or a carabiner, which at his arcuate portion 7 is hung on a safety belt of the user attached.

    Ausgehend von der Schlaufe 14 des Bremsseils sind zwei Seilstränge zunächst durch den Spalt 10 zwischen den beiden Stegen 5, 6 und in der weiteren Folge in einer Schlingen 15 um die beiden Stege 5, 6 herumgeführt, worauf sie wiederum durch den Spalt 10 zwischen den beiden Stegen 5, 6 verlaufen. Der folgende Abschnitt des Bremsseils dient zur Bremsung im Falle eines Sturzes. Der Endknoten 16 verhindert ein Durchrutschen der Seilenden durch den Spalt 10. Die auf den Fangstoßdämpfer bei einem Sturz einwirkenden Kräfte sind durch die Pfeile 17, 18 angedeutet.Starting from the loop 14 of the brake cable two strands of rope are first through the gap 10 between the two webs 5, 6 and in the further sequence in a loop 15 around the two webs 5, 6 led around, whereupon they turn through the gap 10 between the two webs 5, 6 extend. The following section the brake cable is used for braking in the event of a fall. The end node 16 prevents slipping of the rope ends through the gap 10. The on the Catch shock absorbers in a fall forces are indicated by the arrows 17, 18 indicated.

    Anstelle der beim gezeigten Ausführungsbeispiel zwei gebremsten Seilstränge könnte auch lediglich ein Seilstrang gebremst werden. Weiters könnte anstelle eines Bremsseils auch ein aus einem Bandmaterial bestehendes Bremsband verwendet werden.Instead of two braided cable strands in the illustrated embodiment could also be braked only a rope strand. Furthermore, instead of a brake cable also consisting of a band material brake band be used.

    Anstelle einer Schlinge des Bremsseils 14 oder Bremsbandes um die beiden Stege 5, 6 könnten in einem anderen Ausführungsbeispiel auch zwei oder mehrere solcher Schlingen vorgesehen sein. Denkbar und möglich wäre es auch, dass mehr als zwei Stege 5, 6 vorgesehen sind zwischen denen bzw. um die das Bremsseil oder Bremsband verläuft und von denen ein oder mehrere beweglich am Bremskörper gelagert sind. Für die bewegliche Lagerung wäre es grundsätzlich auch denkbar und möglich anstelle einer linearen Verschiebbarkeit entlang des Bremskörpers wie im gezeigten Ausführungsbeispiels auch eine verschwenkbare Lagerung von mindestens einem Steg vorzusehen. Instead of a loop of the brake cable 14 or brake band around the two webs 5, 6 could in another embodiment, two or more be provided such loops. It would also be conceivable and possible that more than two webs 5, 6 are provided between them or around the Brake cable or brake band runs and one or more of which are movable are mounted on the brake body. For the movable storage it would be basically also conceivable and possible instead of a linear displacement along the brake body as in the embodiment shown also a to provide pivotable storage of at least one web.

    Legende zu den Hinweisziffern:Legend to the reference numbers:

    11
    BremskörperBrakes
    22
    Bügelhanger
    33
    Armpoor
    44
    Armpoor
    55
    Stegweb
    66
    Stegweb
    77
    bogenförmiger Abschnittarcuate section
    88th
    Doppelpfeildouble arrow
    99
    Bohrungdrilling
    1010
    Spaltgap
    1111
    Rillegroove
    1212
    Rillegroove
    1313
    Bremsseilbrake cable
    1414
    Schlaufeloop
    1515
    Schlingeloop
    1616
    Endknotenend nodes
    1717
    Pfeilarrow
    1818
    Pfeilarrow

    Claims (7)

    1. An impact shock absorber for reducing an impact shock arising during a fall, having a brake body (1) and a brake rope (13) or brake tape cooperating with the brake body, characterised in that the brake body (1) has at least two members (5, 6), at least one of which is movably mounted, the width of a gap (10) between the two members (5, 6) beng variable, in that the brake rope (13) or brake tape is guided through the gap (10) between the two members (5, 6), is then looped around the two members (5, 6) in at least one loop (15) and is then again guided through the gap (10) between the two members (5,6), and in that, on the mutually facing sides of the two members (5, 6) between which the brake rope (13) or brake tape is guided through, at least one groove (11, 12) is formed on at least one member (5, 6), through which groove the brake rope (13) or brake tape runs.
    2. An impact shock absorber according to Claim 1, characterised in that the brake body (1) has two parallel arms (3, 4) which penetrate bores (9) in the member (6) displaceable relative to, and bridging, the arms (3, 4).
    3. An impact shock absorber according to Claim 2, characterised in that the two members (5, 6) extend between the parallel arms (3, 4) of the brake body (1).
    4. An impact shock absorber according to Claim 2 or Claim 3, characterised in that the arms (3, 4) are formed from portions of a U-shaped bracket (2) of the brake body (1).
    5. An impact shock absorber according to Claims 1 to 4, characterised in that a plurality of adjacent grooves (11, 12) are formed on at least one member (5, 6), through which grooves the brake rope (13) or brake tape extends.
    6. An impact shock absorber according to any one of Claims 1 to 5, characterised in that pairwise opposing grooves (11, 12) are formed on the two members (5, 6), through which grooves the brake rope (13) or brake tape extends.
    7. An impact shock absorber according to any one of Claims I to 6, characterised in that two strands of the brake rope (13) or brake tape are guided through the gap (10) between the two members, are then looped around the two members (5, 6) in at least one loop (15) and are then again guided through the gap (10) between the two members (5, 6).
    EP03017493A 2002-08-13 2003-08-02 Impact shock absorber Expired - Lifetime EP1389481B1 (en)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    AT03017493T ATE306296T1 (en) 2002-08-13 2003-08-02 SHOCK ABSORBER

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    AT0122902A AT413491B (en) 2002-08-13 2002-08-13 CATCH SHOCK
    AT12292002 2002-08-13

    Publications (2)

    Publication Number Publication Date
    EP1389481A1 EP1389481A1 (en) 2004-02-18
    EP1389481B1 true EP1389481B1 (en) 2005-10-12

    Family

    ID=30449836

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP03017493A Expired - Lifetime EP1389481B1 (en) 2002-08-13 2003-08-02 Impact shock absorber

    Country Status (3)

    Country Link
    EP (1) EP1389481B1 (en)
    AT (2) AT413491B (en)
    DE (1) DE50301341D1 (en)

    Families Citing this family (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB201403754D0 (en) 2014-03-04 2014-04-16 Latchways Plc Anti-connection device for fall protection apparatus
    IT201700011637A1 (en) 2017-02-02 2018-08-02 Aludesign Spa Device for braking the fall of a load

    Family Cites Families (9)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    CH498631A (en) * 1970-01-07 1970-11-15 Larry Penberthy Harvey Device for destroying the energy of a falling body
    FR2553667B3 (en) * 1983-10-21 1986-01-24 Frechin Jean Paul SAFETY ACCESSORY FOR MOUNTAINEERING
    US5145036A (en) * 1991-04-11 1992-09-08 Michael Omalia Self controlled safety descent retarder
    US5295559A (en) * 1992-05-22 1994-03-22 Nutkins Larry L Reversible frictional brake for use with rope or the like
    DE29502632U1 (en) * 1995-02-17 1995-03-30 Meckel GmbH Sicherheitssysteme, 57399 Kirchhundem Band shock absorber
    DE29908404U1 (en) * 1998-05-17 1999-08-12 Brust, Hans-Detlef, 66125 Saarbrücken Fall protection and climbing aid
    US6131697A (en) * 1998-07-01 2000-10-17 Bassett; Carroll C. Rappelling rope controller
    DE29901576U1 (en) * 1999-01-29 1999-05-12 Meckel GmbH Sicherheitssysteme, 57399 Kirchhundem Band shock absorber
    DE10011753C2 (en) * 2000-03-13 2003-10-09 Hubert Kowalewski Climbing device for ascending and descending processes

    Also Published As

    Publication number Publication date
    AT413491B (en) 2006-03-15
    ATE306296T1 (en) 2005-10-15
    ATA12292002A (en) 2005-08-15
    DE50301341D1 (en) 2005-11-17
    EP1389481A1 (en) 2004-02-18

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