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EP4611907A1 - Dispositif de commande de descente - Google Patents

Dispositif de commande de descente

Info

Publication number
EP4611907A1
EP4611907A1 EP23808927.0A EP23808927A EP4611907A1 EP 4611907 A1 EP4611907 A1 EP 4611907A1 EP 23808927 A EP23808927 A EP 23808927A EP 4611907 A1 EP4611907 A1 EP 4611907A1
Authority
EP
European Patent Office
Prior art keywords
control device
brake element
moveable
channel
descent control
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.)
Pending
Application number
EP23808927.0A
Other languages
German (de)
English (en)
Inventor
Morten MONDAHL
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.)
Rapid Rappel Technology AS
Original Assignee
Rapid Rappel Technology AS
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 Rapid Rappel Technology AS filed Critical Rapid Rappel Technology AS
Publication of EP4611907A1 publication Critical patent/EP4611907A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A62B1/14—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brakes sliding on the rope
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A62B1/08—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A62B1/08—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys
    • A62B1/10—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys mechanically operated
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B29/00—Apparatus for mountaineering
    • A63B29/08—Hand equipment for climbers

Definitions

  • the present invention relates to a descent control device. More specifically, the invention relates to a descent control device comprising rotatable and movable brake elements by which the degree of braking can be adjusted independently in relation to the desired rate of descent of a person, user, or load, and/or the weight of the person, user or load subject to descent.
  • Abseiling also known as rappelling
  • a descent control device also referred to as a descender
  • a harness worn by the person such that the passage of the rope around the body or through the device provides sufficient friction to slow the rate of descent to a safe speed.
  • Descent control devices are commonly used for vertical or sloped descent applications in sports, amusement, rescue services, emergency evacuation, and military operations, for example when quick extraction from a dangerous situation is vital. Descent control devices are also used in the workplace, e.g. by persons working at heights on roofs and buildings, and for persons to access difficult-to-reach areas from above for various industrial applications like maintenance, construction, inspection and welding.
  • a descent control device usually comprises a housing defining a path including a braking surface for a rope, a moveable control member pivotally connected to the housing and including a manually operable control handle protruding from the housing and a braking element co-operating with the braking surface to apply a braking force on the rope.
  • a harness of the user can be attached to the housing of the device so that a load is applied to the rope passing through the device. If the user does not operate the handle, the descent control device applies a braking force to the rope which will normally hold the user at a fixed position.
  • the user grips the handle against the housing of the device with a controlled force in order to reduce the degree of braking by a desired amount thus allowing the rope to slip though the device.
  • the user has to release the handle to apply the brake.
  • the user thus has the ability to adjust the braking force to the rope and thereby adjust or decelerate the rate of the descent.
  • this is not possible with descending persons who are not in a condition to operate the descent control device themselves, e.g. children and persons who are unconscious, disabled, injured, awarded, panics and/or in medical shock.
  • a number of descent control devices have been developed to overcome such and related problems, e.g. EP 694317 A2 and WO 2016/131092.
  • the user or load may be stopped during the descent and may be hanging in the rope until the device is unlocked; the braking and stopping may be hard and sudden; the rope may be substantially weakened or damaged by the hard braking and either break in two parts immediately at the stop, or a short time after the stop with a maximum load, which may lead to a serious outcome as the user or load will fall freely to the ground; and the stop itself may hurt the user or load by the harness which attaches the user or load to the rope.
  • GB 2384182 discloses a self-contained emergency escape apparatus in which a predetermined number of friction-based delay mechanisms with harness attachments are attached to an upper end of a rope.
  • the friction-based delay mechanism manipulates the path of the rope to the extent that a person which is allowed to naturally fall will be slowed by the mechanism to a rate considerably less than that of gravity.
  • the internal parts of the friction-based delay mechanism may be adjusted depending upon the rate of the descent required orthe weight of the person.
  • there is no disclosure of a smooth and simple adjustment of rotatable and movable brake elements allowing flexible adjustment of the degree of braking in relation to the desired rate of descent of a person, user, or load, and/or the weight of the person, user or load subject to descent.
  • the present invention relates to a descent control device (100) comprising a housing (110), a moveable handle (120) protruding from the housing and one or more adjustable members (130) protruding from the housing, wherein the housing (110) comprises: an entrance (111) and an exit (112) for a rope, a channel (140) for a rope between the entrance and the exit, a rotatable brake element (150), an internal path (160), and a moveable brake element (170), and wherein
  • the rotatable brake element (150) is adjustable to alter a diameter or cross- sectional area of a first part (141) of the channel (140),
  • the moveable brake element (170) is moveable along the internal path (160) to alter a diameter or cross-sectional area of a second part (142) of the channel (140).
  • the present invention relates to a device (100), e.g. a descent control device (100), comprising a housing (110), a moveable handle (120) protruding from the housing and one or more adjustable members (130) protruding from the housing, wherein the housing (110) comprises: an entrance (111) and an exit (112), e.g. an entrance (111) and an exit (112) for a rope, a channel (140) between the entrance and the exit, e.g. a channel (140) for a rope between the entrance and the exit, a rotatable element (150), e.g. a rotatable brake element (150), an internal path (160), and a moveable element (170), e.g. a moveable brake element (170), and wherein
  • the moveable handle (120) is connected to the rotatable element (150), e.g. the rotatable brake element (150),
  • the rotatable element (150) e.g. the rotatable brake element (150)
  • the rotatable brake element (150) is adjustable to altera diameter or cross-sectional area of a first part (141) of the channel (140),
  • the one or more adjustable members (130) are connected to the moveable element (170), e.g. the moveable brake element (170),
  • the moveable element (170) e.g. the moveable brake element (170
  • the moveable element (170) is moveable along the internal path (160) to alter a diameter or cross-sectional area of a second part (142) of the channel (140).
  • the present invention relates to the use of a descent control device, or a device, according to the invention for descending a person, user or load.
  • the present invention relates to a method of descending a person, user or load which comprises: providing a descent control device, or a device, according to the invention; providing a rope in the channel, whereby the rope extends from the entrance and the exit;
  • the descent control device makes it possible to attain numerous advantages, including the following: rotatable and movable brake elements, which can be adjusted independently of one another; smooth and simple adjustment of the braking force on a rope, and smooth and simple adjustment of the friction applied to the rope, e.g. to increase or slow down the rate of descent, to a safe or desired speed; opportunity to adjust the rate of descent, either before or during the descent, e.g. while descending the person, user or load;
  • the descent control device may be equipped with a scale linked to the braking force / friction applied to the rope, e.g. showing the rate of descent or weight of person, user or load; opportunity to make a smooth and simple adjustment of the scale in relation to an estimated weight of the person, user or load subject to descent, e.g. to achieve a desired rate of descent; simplified descent of persons who are not able to operate the descent control device themselves, e.g.
  • Fig. 1 is a front view of an embodiment of a descent control device, or device, according to the invention in a first orientation, the device being shown in an open or loading state;
  • Fig. 2 is front view of the embodiment of the descent control device, or device, of Fig. 1 but in which a moveable braking element is present in a different position;
  • Fig. 3 is a front view of an embodiment of a descent control device, or device, according to the invention in a second orientation, the device being shown in a closed or working state;
  • Fig. 4 is a side view of an embodiment of a descent control device, or device, according to the invention in a first orientation, the device being shown in an open or loading state;
  • Fig. 5 is a schematic front view illustration of an embodiment of a descent control device, or device, according to the invention in a first orientation, the device being shown in an open or loading state.
  • the present invention relates to a descent control device, or device, comprising rotatable and movable brake elements, by which the degree of braking of a rope can be independently adjusted in relation to the desired rate of descent of a person, user, or load, and/or the weight of the person, user or load subject to descent.
  • the terms “descent control device”, “device”, “descender”, “descendeur” and “controlled descend device”, as used herein, refers to a device that is suitable and/or intended for descending, abseiling or rappelling of a person, user or load; and are used interchangeably herein.
  • the descent control device, or device, according to the invention may be made by any suitable material.
  • suitable materials include metallic materials and alloys, e.g. those made of or comprising one or more of aluminum, steel, stainless steel, and plastic materials.
  • rope refers to any sort of rope, including both static and flexible ropes, cable, cord or other elongate supporting means, suitable for use in and/or together with the descent control device of the invention.
  • the rope has a diameter that may vary within wide limits, and usually the diameter is about 4 mm, or larger.
  • the rope has a rigidness preventing it from getting tangled or forming knots when coiled, and when passing through the descent control device.
  • suitable ropes include braided ropes, such as a 12 strands braided rope, ropes of or comprising nylon, e.g. manufactured from Aramid®, Kevlar® or similar materials, ropes having a nylon core with a woven outer protective layer, etc.
  • Figs. 1 is a front view of an embodiment of a descent control device (100) according to the invention.
  • the descent control device is shown in a first orientation, in an open or loading state, or a state in which a cover of the housing (110) has been removed to better illustrate the components.
  • the descent control device comprises a housing (110) and a moveable handle (120) protruding from the housing.
  • the housing (110) comprises an entrance (111) and an exit (112) for a rope (113), a channel (140) for the rope (113) between the entrance (111) and the exit (112), a rotatable brake element (150), an internal path (160), and a moveable brake element (170).
  • a moveable handle (120) is connected to the rotatable brake element (150) partly rotatable around an axis R (151) being part of the housing (110), and the rotatable brake element (150) is adjustable to alter a diameter or cross-sectional area of at least a first part (141) of the channel (140).
  • the moveable brake element (170) is moveable along the internal path (160) to alter a diameter or cross-sectional area of at least a second part (142) of the channel (140).
  • the moveable braking element (170) is present in the internal path (160) in a position to apply essentially no pressure or braking force on the rope (113).
  • the channel (140) and the internal path (160) have a point of intersection (180).
  • the internal path (160) has two non-parallel walls (161).
  • Fig. 2 is front view of an embodiment of the descent control device of Fig. 1 but in which the moveable braking element (170) is present in the internal path (160) in a different position to apply a significant pressure or braking force on the rope (113).
  • Fig. 2 further shows a moveable handle (120) protruding from the housing and connected to the rotatable brake element (150), an entrance (111) and exit (112) for a rope (113), an internal path (160) comprising protruding locking elements (162), and an element (200) for fastening a harness or the like.
  • Fig. 3 is a front view of an embodiment of a descent control device according to the invention.
  • the descent control device is shown in a second orientation, in a closed or working state, or a state which a cover (114) is attached to the housing by fastening means (115) in the form of bolts and nuts.
  • Fig. 3 further shows an entrance (111) and exit (112) for a rope (113), an adjustable member (130) protruding from the housing, protruding locking elements (162), and a scale (190) related to weight, load and/or rate of descent.
  • Fig. 4 is a side view of an embodiment of a descent control device according to the invention.
  • the descent control device is shown in a first orientation, in an open or loading state.
  • Fig. 4 further shows a housing (110), two adjustable members (130) protruding from the housing (110) and connected to the moveable brake element (170), and an axis A (131) connecting the two adjustable members (130).
  • Fig. 5 is a schematic front view illustration of an embodiment of a descent control device according to the invention.
  • the descent control device is shown in a first orientation, in an open or loading state.
  • Fig. 5 further shows a housing (110), a moveable handle (120) protruding from the housing, protruding locking elements (162) present in the internal path, and an element (200) for fastening a harness or the like.
  • the channel (140) and the internal path (160) preferably have at least one point of intersection (180), usually a point of intersection (180).
  • the point of intersection (180) is preferably adjustable by moving the moveable brake element (170) along the internal path (160).
  • the moveable brake element (170) is preferably moveable along the internal path (160) to alter a length of the channel (140). Further, the moveable brake element (170) is preferably moveable along the internal path (160) whereby the diameter or cross-sectional area of the second part (142) of the channel (140) is more reduced, or smaller, the longer is the channel (140).
  • the internal path (160) preferably has two non-parallel walls (161).
  • the two non-parallel walls (161) are at least partly wedge shaped, or substantially conical or V shaped.
  • the two non-parallel walls define an angle of at least 1 degree, preferably an angle from 1 to 25 degrees, or an angle from 2 to 20 degrees.
  • a distance between the two non-parallel walls (161) varies along the internal path (160).
  • the distance between the two non-parallel walls (161) is smaller the longer is the channel (140).
  • the channel (140) preferably comprises at least two adjustable braking surfaces for the rope (113) comprising at least first and second adjustable braking surfaces.
  • the first part (141) of the channel (140) can be seen as the first adjustable braking surface, whereby the rotatable brake element (150) is adjustable to alter or adjust the first braking surface of the channel (140).
  • the second part (142) of the channel (140) can be seen as the second adjustable braking surface, whereby the moveable brake element (170) is moveable along the internal path (160) to alter or adjust the second adjustable braking surface of the channel (140).
  • the internal path (160) preferably comprises one or more protruding locking elements (162), preferably a plurality of protruding locking elements.
  • the number of protruding locking elements may be at least 2 and up to 15, usually from 3 to 10, or 4 to 7.
  • the internal path (160) allows locking of the moveable brake element (170) between two adjacent protruding locking elements.
  • the internal path (160) comprises protruding locking elements (162) connected to a scale (190) visible on an exterior surface of the cover (114) of the housing (110).
  • the internal path (160) allows locking of the moveable brake element (170) between two adjacent protruding locking elements whereby a reading of the scale (190) is altered when the moveable brake element (170) is locked between two other adjacent protruding locking elements.
  • the scale (190) is related to weight, load and/or rate of descent.
  • the one or more adjustable members (130) comprise two adjustable members (130) which preferably are connected to the moveable brake element (170) by means of an axis A (131), preferably the two adjustable members (130) are protruding in different directions perpendicularly from the housing (110).
  • adjusting or moving the two adjustable members (130) allows locking of the axis A (131) and the moveable brake element (170) between two adjacent protruding locking elements.
  • the rotatable brake element (150) is preferably a partly rotatable brake element, preferably an eccentrically partly rotatable brake element.
  • the rotatable brake element (150) and the moveable brake element (170) are independently adjustable.
  • the channel (140) has at least one curvature of at least 180 degrees, or at least two curvatures of at least 180 degrees.
  • the channel (140) has at least one curvature of at least 270 degrees.
  • the descent control device comprises at least one element (200) for fastening a harness or the like.
  • the moveable handle (120) is preferably independently adjustable in relation to the one or more adjustable members (130) protruding from the housing, preferably manually independently adjustable.
  • the channel (140) preferably comprises a rope (113) which extends from the entrance (111) and the exit (112).
  • the rope has a diameter of at least 4 mm.
  • a descent control device (100) by pulling or releasing the moveable handle (120) connected to the rotatable brake element (150), it is possible to alter the diameter or cross-sectional area of the first part (141) of the channel (140), thus altering the first braking surface of the channel (140), thereby achieving a desired degree of braking and/or allowing the rope (113) to slip though the channel (140).
  • the person or user may release the moveable handle (120), whereby the rotatable brake element (150) will rotate to a position to achieve a significant decrease of the diameter or cross-sectional area of the first part (141) of the channel (140), thereby applying a significant pressure, friction or braking force on the rope (113).
  • the person or user may move the one or more adjustable members (130) and lock the moveable brake element (170) between two other adjacent protruding locking elements up or down the internal path (160), thereby decreasing or increasing the diameter or cross-sectional area of the second part (142) of the channel (140), and thus increasing or decreasing, respectively, the pressure, friction or braking force on the rope (113), whereby the speed will be lower or higher, respectively.
  • the descent control device can be used in many applications.
  • suitable uses according to the invention include vertical or sloped descent applications in sports, amusement, mountaineering, mountain climbing, canyoning, caving, tree felling, rescue services, emergency evacuation, military operations, workplace applications, e.g. for descending persons working at heights on roofs and buildings, industrial applications, e.g. for descending persons to access difficult-to-reach areas from above, e.g. for maintenance, construction, inspection and welding, and applications for descending a load.
  • the method of descending a person, user or load according to the invention comprises: providing a descent control device according to the invention; providing a rope in the channel, whereby the rope extends from the entrance and the exit;
  • the method comprises locking the moveable brake element between two adjacent protruding locking elements.
  • the method comprises moving the one or more adjustable members to move the moveable brake element along the internal path and lock the moveable brake element between two adjacent protruding locking elements.
  • a reading of the scale is altered when the moveable brake element is locked between two other adjacent protruding locking elements.
  • the scale is related to weight, load and/or rate of descent.
  • the method comprises fastening or securing to a surrounding an end of the rope which extends from the exit.
  • the method of the invention leads to simple maneuverability and improved flexibility of the descent control device during the descent, which makes it possible for the person or user to have at least one hand free and available during the descent, thereby enabling the person or user to carry a load and/or support and secure a child or other person not able to operate a descent control device him/herself.
  • the method comprises moving the one or more adjustable members to move the moveable brake element along the internal path to adjust the diameter or cross- sectional area of the second part of the channel, thereby enabling the rope to run through the channel.
  • the method comprises pulling the moveable handle protruding from the housing towards the housing.
  • the method comprises releasing the moveable handle connected to the rotatable brake element to decrease the diameter or cross-sectional area of the second part of the channel, thereby applying a significant pressure, friction or braking force on the rope, and optionally stopping the descent.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Lowering Means (AREA)

Abstract

La présente invention concerne un dispositif de commande de descente (100) comprenant un boîtier (110), une poignée mobile (120) et un ou plusieurs éléments réglables (130) faisant saillie à partir du boîtier, le boîtier (110) comprenant : une entrée (111) et une sortie (112) pour un câble, un canal (140) pour un câble entre l'entrée et la sortie, un élément de frein rotatif (150), un trajet interne (160), et un élément de frein mobile (170), et la poignée mobile (120) étant reliée à l'élément de frein rotatif (150), l'élément de frein rotatif (150) étant réglable pour modifier un diamètre ou une surface de section transversale d'une première partie (141) du canal (140), le ou les éléments réglables (130) étant reliés à l'élément de frein mobile (170), l'élément de frein mobile (170) étant mobile le long du trajet interne (160) pour modifier un diamètre ou une surface de section transversale d'une seconde partie (142) du canal (140). L'invention concerne en outre l'utilisation d'un dispositif de commande de descente selon l'invention pour descendre une personne, un utilisateur ou une charge, et un procédé de descente d'une personne, d'un utilisateur ou d'une charge dans lequel un dispositif de commande de descente selon l'invention est utilisé.
EP23808927.0A 2022-10-31 2023-10-12 Dispositif de commande de descente Pending EP4611907A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20221163A NO347941B1 (en) 2022-10-31 2022-10-31 Descent control device
PCT/NO2023/060072 WO2024096744A1 (fr) 2022-10-31 2023-10-12 Dispositif de commande de descente

Publications (1)

Publication Number Publication Date
EP4611907A1 true EP4611907A1 (fr) 2025-09-10

Family

ID=88839869

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23808927.0A Pending EP4611907A1 (fr) 2022-10-31 2023-10-12 Dispositif de commande de descente

Country Status (3)

Country Link
EP (1) EP4611907A1 (fr)
NO (1) NO347941B1 (fr)
WO (1) WO2024096744A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58188472A (ja) * 1982-04-28 1983-11-02 石岡　繁雄 携帯用脱出具
GB2290852A (en) 1994-06-28 1996-01-10 Gemini Plastics Machinery Ltd Manually operable braking device for a line
GB2384182A (en) 2002-01-17 2003-07-23 Ian Campbell Lyle Emergency escape apparatus
US8348016B2 (en) * 2009-08-26 2013-01-08 Lewis Richard W Descender with fall arrest and controlled rate of descent
US10173081B2 (en) 2015-02-17 2019-01-08 Boris Rogelja Descender
AU2016244823B2 (en) * 2015-04-07 2020-05-14 Harken, Incorporated High load descender with adaptive release linkage
JP6967218B2 (ja) * 2017-06-26 2021-11-17 藤井電工株式会社 安全器
NO345847B1 (en) * 2019-12-19 2021-08-30 Rapid Rappel Tech As Descent control device
WO2021125967A1 (fr) 2019-12-19 2021-06-24 Rapid Rappel Technology As Dispositif descenseur

Also Published As

Publication number Publication date
NO20221163A1 (fr) 2024-05-01
NO347941B1 (en) 2024-05-21
WO2024096744A1 (fr) 2024-05-10

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