EP3093050B1 - Appareil de sécurité - Google Patents

Appareil de sécurité Download PDF

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Publication number
EP3093050B1
EP3093050B1 EP16166359.6A EP16166359A EP3093050B1 EP 3093050 B1 EP3093050 B1 EP 3093050B1 EP 16166359 A EP16166359 A EP 16166359A EP 3093050 B1 EP3093050 B1 EP 3093050B1
Authority
EP
European Patent Office
Prior art keywords
rope
movement
coupling
belay device
belay
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.)
Active
Application number
EP16166359.6A
Other languages
German (de)
English (en)
Other versions
EP3093050A2 (fr
EP3093050A3 (fr
Inventor
Egon Resch
Christoph Baumgartner
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.)
Oberalp SpA
Original Assignee
Oberalp SpA
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 Oberalp SpA filed Critical Oberalp SpA
Priority to EP20175467.8A priority Critical patent/EP3721950B1/fr
Priority to EP20175459.5A priority patent/EP3725383B1/fr
Publication of EP3093050A2 publication Critical patent/EP3093050A2/fr
Publication of EP3093050A3 publication Critical patent/EP3093050A3/fr
Application granted granted Critical
Publication of EP3093050B1 publication Critical patent/EP3093050B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • A63B29/02—Mountain guy-ropes or accessories, e.g. avalanche ropes; Means for indicating the location of accidentally buried, e.g. snow-buried, persons
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/0048—Training appliances or apparatus for special sports for mountaineering, e.g. climbing-walls, grip elements for climbing-walls
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/0064—Attachments on the trainee preventing falling
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/30—Speed
    • A63B2220/34—Angular speed

Definitions

  • the belay device comprises a braking device, the belay case being present when a movement parameter of the movement of the cable receiving element is from a movement parameter set outside of the respective one Predetermined safety range of the movement parameter assigned to movement parameters, the braking device being set up to brake movement of the rope independently of a rope movement direction.
  • Such a two-stage safety system increases the safety of the climber and the independence of the braking action from a direction of rope movement reduces the risk due to the choice of the wrong safety end.
  • Such a safety device also allows the user to lower himself on a rope, the braking device allowing control of the lowering speed, while the locking device is responsible for the safety of the user in safety cases. Both functions are combined in a single belay device, while for the abseiling figure, for example, a second separate safety device in the form of a Prusik node was necessary to perform both functions.
  • the blocking device is set up to allow the movement of the cable receiving element in a free-running state, the braking device being set up in the free-running state to brake the movement of the cable independently of the cable movement direction.
  • the belayer In the freewheeling state, the belayer can either abseil or abseil and control the speed by using the braking device, so that a safe output speed can be set without blocking the rope take-up element.
  • a safety device according to the invention can be characterized in a further modification of the fact that the braking device is set up to open up a rope on the safety device for inserting a rope. This makes it easier to insert the rope.
  • a belay device further comprises a braking device, the braking device being set up to brake movement of a rope, the blocking device being designed in such a way that a change in load at a rope end causes a transition from the blocked state to the freewheeling state. If the person to be secured hangs in the rope and the rope receiving element is blocked, this blocking will impair, preferably block, a movement of the rope.
  • a load change on the rope is an easy and comfortable operation of the belay device by the belayer, even with heavy climbers hanging in the rope, with little effort, so that the belay device can be safely brought into the freewheeling state.
  • the load change at one end of the rope it is possible for the load change at one end of the rope to be brought about by pulling the end of the load towards the belay device.
  • the belayer can also pull the load section of the rope to switch from the locked state to the freewheeling state in order to shorten the time that a possibly injured belayer is attached to a blocked rope.
  • the centrifugal clutch can further comprise a rotor and a clamping element, wherein in the blocking state there is a coupling of the rotor by means of the clamping element to the coupling element, and the release of the locking of the coupling element releases the coupling of the rotor to the coupling element.
  • An embodiment of the securing device can be characterized in that the blocking device comprises a centrifugal clutch comprising a clamping element, the clamping element being arranged in the securing device such that the clamping element can execute a movement within the securing device and that the movement of the clamping element can be blocked, wherein the load change of the rope brings about a release of a locking of the clamping element.
  • the blocking device comprises a centrifugal clutch comprising a clamping element, the clamping element being arranged in the securing device such that the clamping element can execute a movement within the securing device and that the movement of the clamping element can be blocked, wherein the load change of the rope brings about a release of a locking of the clamping element.
  • the belay device in a further embodiment, it is also possible for the belay device to be characterized in that the control element is set up to take a blocking position, the clamping element having a stop element, the stop element interacting with the control element in the blocked state in the blocked state, that the movement of the clamping element is blocked in the belay device, and wherein when the control element moves from the blocking position out of the blocking state, the stop element interacts with the control element in such a way that the blocking element within the belay device is released.
  • stop element on the clamping element and a control element which interacts with the stop element makes a particularly simple control concept for blocking the movement of the clamping element and releasing this blocking realized in the belay device.
  • a belay device further comprises a braking device, the blocking device comprising a centrifugal clutch, and the braking device being formed separately from moving parts of the centrifugal clutch.
  • a belay device in which the blocking device comprises a centrifugal clutch and a braking device, which is formed separately from the moving parts of the centrifugal clutch, forms a simple and safe embodiment of a belay device.
  • the braking device is designed as a ring-like element. With such a design of the braking device, the rope is prevented from slipping out of the braking device.
  • the individual sections of the centrifugal clutch can be matched particularly well to the respective task. Furthermore, in the event of a malfunction of one of the sections of the centrifugal clutch, caused for example by an accident, the belay device can be used for securing, the load end and the belay end of the rope being selected in accordance with the undamaged section of the centrifugal clutch. As a result, this is equipped with redundancy, which enables the safety device to be used further in the event of malfunctions.
  • the locking device of the belay device may include a latch mechanism.
  • the pawl mechanism is preferably set up to allow at least a gradual movement of the cable receiving element.
  • the blocking device can, if not already explained, a centrifugal clutch, preferably with a, in particular movable, coupling element and / or a, in particular movable, control element and / or a rotor and / or a clamping element, include.
  • the coupling element can have the function of a ratchet wheel of the ratchet mechanism.
  • the control element can have the function of a pawl in the pawl mechanism.
  • the pawl mechanism is preferably set up to move the Allow coupling element step by step.
  • the pawl mechanism is set up to restrict the movement of the coupling element to movement sections.
  • the ratchet mechanism is preferably designed symmetrically with respect to the possible directions of movement of the cable receiving element.
  • the rope receiving element can be designed as a rope pulley.
  • the rope pulley is advantageously rotatably mounted, as a result of which the delivery and / or retraction of the rope on the belay device is particularly convenient.
  • the centrifugal clutch and / or the ratchet mechanism it is possible to divide the centrifugal clutch and / or the ratchet mechanism into two sections, the first section of the centrifugal clutch and / or the ratchet mechanism being set up to bring about a transition of the blocking device into the blocked state in a securing case when the cable receiving element is in moved in a first direction and in a fuse case not to cause a transition of the blocking device into the blocking state if the Rope receiving element moves in a second direction, preferably opposite, from the first direction, and wherein the second section of the centrifugal clutch and / or the ratchet mechanism is set up to bring about a transition of the blocking device into the blocking state in a securing case when the rope receiving element is in moved in the second direction and in a securing case not to cause the blocking device to transition into the blocking state when the cable receiving element moves in the first direction.
  • the belay device may further comprise a base element and a coupling point provided for coupling to an external securing point, the blocking device comprising a movable rope receiving element which is designed to be moved by a rope received thereon, the rope receiving element as one Rope pulley is rotatably mounted relative to the base element, the coupling point is designed to be stationary with respect to the base element and the axis of rotation of the rope roller is designed to be stationary with respect to the base element.
  • the belay device is designed to be particularly simple, a coupling point, in particular an opening for threading a karabiner, is designed to be stationary on the base element and an axis of rotation of the cable pulley is designed to be stationary with respect to the base element, for example by a fixed position with respect to the base element arranged rotating shaft.
  • a coupling point in particular an opening for threading a karabiner
  • an axis of rotation of the cable pulley is designed to be stationary with respect to the base element, for example by a fixed position with respect to the base element arranged rotating shaft.
  • a housing of the belay device can be designed as a basic element of the belay device, in particular in the case of multi-part housings in which several mutually displaceable and / or rotatable sections have coupling points or coupling point sections, the above-described embodiment of the present invention should be understood to mean that of a section of the housing, the axis of rotation of the cable pulley is designed to be stationary and that the coupling point is designed to be stationary with respect to this housing section.
  • a section of the housing (housing section) can be designed as a base element.
  • the belay device is not only suitable for use when climbing, but can also be used to lower a climber, to lower the belayer himself or to secure when climbing solo. Furthermore, the belay device is not limited to use in the climbing area, but can be used wherever a load or a person must be secured on a rope, such areas are, for example, industrial climbing, mountain rescue, as well as police or police operations Fire department to look at. For this reason, terms such as the climber, the climber or the person to be secured are used as synonyms in the context of this application.
  • FIG 1a shows a first embodiment of a security device 2 according to the invention, wherein a housing 4 (see Figure 2 ) in Figure 1a has been omitted.
  • the belay device comprises a braking device 6 and a blocking device 8.
  • the blocking device 8 preferably comprises a centrifugal clutch 10.
  • the blocking device comprises a movable cable receiving element 12, which in a preferred embodiment is designed as a cable pulley 14.
  • the rope receiving element 12 can be moved by the rope 16 when the rope 16 is received on the rope receiving element 12.
  • the movement of the rope is transmitted to the rope receiving element 12, for example, by friction of the rope 16 on a receiving surface 20 which is preferably provided with a projection structure 18.
  • the braking device 6 is preferably formed separately from the blocking device 8, in particular separately from moving parts of the blocking device 8.
  • the blocking device comprises a centrifugal clutch 10
  • the braking device 6 is especially formed separately from the moving parts of the centrifugal clutch 10.
  • the braking device 6 can be made partially, in particular completely, of metal in order to be able to dissipate the heat generated when braking the cable 16. If the braking device 6 is partially or completely made of metal, it has a high resistance to abrasion and is therefore particularly wear-resistant.
  • the housing 4 of the belay device 2 can have a receptacle or a bearing of a first rotation shaft 24, the first rotation shaft 24 can be set up for receiving the cable receiving element 12.
  • the braking device is designed as a ring-like element 26 which completely surrounds an opening (an interior of the ring-like element 26) through which a rope loop of the rope 16 can be threaded and the rope 16 can be received on the rope receiving element 12.
  • the first embodiment, as in Figure 1b shown to modify to the extent that the ring-like.
  • Element 26 is provided with a gap 28 (in order to improve the overview, see Figure 1b the rear wall of the ring-like element 26 behind the gap 28 is not shown), so that the cable 16 can pass through the gap into the interior of the ring-like element 26 in order to facilitate the cable reception on the cable reception element 12.
  • a preferably lockable and unlockable closure element 30, whereby both the insertion of the rope 16 into the interior of the ring-like element 26 can be simplified and, when the closure element 30 is locked, the rope 16 can be prevented from sliding out through the gap 28.
  • the braking device 6 has at least one friction surface 32r, 32l, preferably two friction surfaces 32r and 32l.
  • the at least one friction surface 32r, 32l can be made partially, in particular completely, of metal in order to be able to dissipate the heat generated when the cable 16 is braked.
  • the friction surfaces 32r, 32l are able to brake the cable 16 regardless of the direction of movement; for this purpose, it is usually sufficient to change the position of the cable section, at which the belayer controls the cable movement, relative to the belay device 2, as in the case of a tuber.
  • such a friction surface 32r, 32l is concave, so that the cable 16 is deformed in the concave friction surface 32r, 32l, and braking of the cable 16 by friction to an increased extent also on the side walls 34r, 34l of the concave friction surface 32r, 32l takes place.
  • the side walls 34r, 34l and / or the bottom section lying between two side walls 34r or 34l can be provided with ribs 36 or projections of different design (not shown) in order to increase the friction of the cable 16 in the braking device 6, and thus the braking to support the rope 16.
  • the braking device 6 is preferably as in FIG Figure 1a shown in the first embodiment, arranged on the security device 2 hinged.
  • the opening is realized by a partially in Figure 1a indicated hinge 38, which connects the ring-like element 26 with a control element 40. If the ring-like element 26 on the hinge 38 is opened in the direction K1, a rope loop of the rope 16 can be inserted through the opening of the ring-like element 26 in order to be placed around the rope pulley 14.
  • the ring-like element 26 can be folded back in the direction K2.
  • the opening of the ring-like element 26 is preferably substantially aligned with the cable receiving groove 22.
  • the blocking device 8 comprises the cable receiving element 12, which is designed as a cable pulley 14 in the first embodiment, and blocks a movement of the cable receiving element 12, in this case the rotation of the cable pulley 14, in a blocking state to be described later.
  • the movement of the cable pulley 14 is coupled to the movement of the rope 16.
  • the rope pulley 14 can comprise a first half-roller 42v and a second half-roller 42h, which are preferably arranged fixed to one another, but it is also possible to form the rope roller 14 in one piece.
  • the blocking device 8 preferably comprises the centrifugal clutch 10.
  • the centrifugal clutch preferably comprises a rotor 44, at least one clamping element 46 and a coupling element 48.
  • the rotor 44 is preferably non-rotatably connected to the cable pulley 14 connected, for example in that the rotor 44 and the cable pulley 14 are fixedly connected to the first rotation shaft 24 or are firmly connected to one another, but rotatably on the rotation shaft 24.
  • the rotor 44 preferably has at least one recess 50 for reducing weight. Furthermore, the rotor 44 has at least one contact surface 52 for interaction with the at least one clamping element 46.
  • the contact surface 52 preferably has a notch 54 which defines a neutral position of the at least one clamping element 46. It is possible for the contact surface 52 to have a guide groove 56 in which an elastic element (not shown) for retaining the at least one clamping element 46 is guided.
  • the elastic element is an elastic band, wherein guiding of the at least one clamping element 46 on the elastic band is ensured by means of a further guide groove in the at least one clamping element 46.
  • an elastic element can alternatively be designed as a spring arrangement for retaining the at least one clamping element 46, which preferably couples both to the at least one clamping element 46 and the rotor 44. If several, preferably two, clamping elements 46 are provided, there is alternatively also the possibility of designing an elastic element as a spring arrangement for retaining at least two clamping elements 46, which preferably couples the two clamping elements 46 to one another.
  • the at least one clamping element 46 is preferably in the direction of the rotor 44 through the spring arrangement or the elastic element biased.
  • the centrifugal clutch 10 preferably comprises a plurality of contact surfaces 52 and preferably a plurality of clamping elements 46.
  • the at least one clamping element 46 preferably has a cylindrical shape.
  • the coupling element 48 is preferably arranged movably in the housing 4.
  • the coupling element 48 is preferably of annular design.
  • the coupling element 48 has an inner surface to which the at least one clamping element 46 can couple in cooperation with the rotor 44, so that the rotor 44 cannot be rotated relative to the coupling element 48, i.e. with the rotor, at least in one direction of rotation of the rotor 44 Coupling element 48 is coupled.
  • the coupling of the at least one clamping element 46 can be achieved in that the inner surface of the coupling element 48 has a structure adapted to the shape of the at least one clamping element 46, in which the at least one clamping element 46 can engage. In particular, a toothing is intended here.
  • the inner surface of the coupling element 48 has a toothing in which the interdental spaces are designed as partial sections of a round, preferably cylindrical, opening wall.
  • the coupling element 48 is preferably mounted rotatably with respect to the cable pulley 40, in particular rotatably on the first rotation shaft 24.
  • the second section 70 has a left stop surface 72l and a right stop surface 72r, a left 74l and a right 74r limiting projection and a cam guide surface 76 lying in between.
  • the cable receiving element 12 can move freely in a freewheeling state.
  • the direction-independent braking effect of the braking device 6 on the cable 16 is independent of the presence of the freewheeling state, for example this is achieved by the cable pulley 14 being formed separately from the braking device 6.
  • the housing 4 or a part of the housing 4 can be designed as a base element, against which the cable pulley 14 can rotate.
  • the belay device 2 In order to couple the belay device to an external belay point, for example a climbing harness or a sling, the belay device 2, preferably the housing 4, has a coupling point, preferably in the form of an opening 78.
  • the housing 4 preferably has a first half 80h and a second half 80v, the control element 40 in particular being rotatably mounted on the first half 80h of the housing 4 and the opening 78 preferably also in the first half 80h of the housing 4 is formed.
  • the first rotation shaft 24 is preferably stationary, in particular also non-rotatable, with respect to the first half 80h of the housing 4.
  • the rotation shaft 24 is connected to the first half 80h of the housing 4 in such a way that the axis of rotation of the cable pulley 14 defined by the rotation shaft 24 cannot move with respect to the first half 80h of the housing 4.
  • the first half 80h of the housing 4 can also be viewed alone as a base element.
  • the second half of the housing 80v is preferably rotatably mounted on the first rotary shaft 24 such that it can be pivoted relative to the ring-like element 26 and the opening 78.
  • the closure element 30 can be formed integrally with the second half 80v of the housing 4.
  • the second half 80v of the housing 4 can have a cutout 82 which, depending on the position of the second half 80v of the housing 4, can open the opening 78 with respect to the first half 80h of the housing 4.
  • the braking device 6, which is designed as a ring-like element 26, is arranged substantially stationary with respect to the opening 78 during the securing with the belay device 2.
  • the rocking movement of the braking device 6, which occurs when the control element 40 is rotated about the second rotating shaft 86, is slight and hardly affects the arrangement of the braking device 6 with respect to the opening 78.
  • the recess 82 can be designed to insert the rope 16 into the rope pulley 14.
  • a rope loop is inserted into the belay device 2 by the ring-like element 26 on the hinge 38 being opened in the direction K1, the rope loop being placed around the rope pulley 14 and the ring-like element 26 is then again attached to the hinge 38 in FIG Figure 1a position shown folded back towards K2. Furthermore, it can be considered to make one of the half-rollers 42v, 42h smaller than the other half-roller 42h, 42v, so that inserting the rope loop of the rope 16 is simplified.
  • the recess 82 is arranged in the second half 80v of the housing 4 such that when the opening 78 is exposed through the recess 82, the closure element 30 integrally formed on the second half 82v of the housing 4, the gap 28 covers.
  • a carabiner, a strap loop or a rope can only be inserted into the opening 78 for coupling to an external securing point if the gap 28 is covered by the closure element 30, so that the rope 16, as soon as it is passed around the rope pulley 14, can no longer accidentally slide out of the belay device 2.
  • the belay device 2 is symmetrical with regard to the use of the two rope ends 84a, 84b as a load end and a belay end.
  • a load end is to be understood as a section of the rope that lies between the belay device 2 and the climber.
  • the end of the load is the rope section, which can be loaded by the weight of the solo climber or the abseiler.
  • the securing end is the cable section separated from the load end by the belay device, by means of which the belayer preferably controls the use of the braking device. Due to the symmetry, incorrect operation of the belay device 2, for example by binding the climber in a wrong rope end, is prevented.
  • the belayer can give rope 16 by pulling away from the belay device 2 at the load end of the rope 16 without pressing the belay end of the rope 16 against one of the friction surfaces 32l, 32r.
  • the rope pulley 14 then rotates together with the rotor 44 within the housing 4 due to the friction of the rope 16 on the projection structure 18. Since the speed of the rotor 44 is low, the centrifugal force occurring due to the rotation is not large enough to release the at least one clamping element 46 from the contact with the notch 54 against the restoring force of the elastic band.
  • the centrifugal is large enough so that there is a sufficient distance of the at least one clamping element 46 from the notch 54 and the at least one clamping element 46 engages in the internal toothing of the coupling element 48.
  • the limit speed or the limit acceleration, from which there is a coupling of the rotor 44 via the at least one clamping element 46 to the coupling element 48 can be selected through a suitable selection of the elastic properties of the elastic element used, in particular the elastic band or the spring arrangement, or the distance of the notch 54 can be set for the internal toothing of the coupling element 48.
  • the limit speed and / or the limit acceleration are absolute value values, so that, for example, all speeds in the forward and reverse directions, the amount of which is smaller than the limit speed, belong to a safety range of the speed.
  • all accelerations in the forward and reverse direction, the amount of which is smaller than the limit acceleration can belong to a safety range of the limit acceleration.
  • a coupling of the rotor 44 to the coupling element 48 is desired only when a predetermined speed is exceeded and not when a predetermined acceleration is exceeded, this can be achieved by moving the at least one clamping element 46, for example by means of a guide groove, to move with the Is essentially restricted to only one radial component.
  • the centrifugal clutch thus detects when a movement parameter, for example the speed or the acceleration, lies outside a predetermined parameter range and in this case couples the rotor 44, and thus also the rope pulley 14, to the coupling element 48.
  • This coupling can transition into the locked state , preferably from the freewheeling state in which the cable receiving element 12 can move freely.
  • a safety case is therefore present when a movement parameter of the movement of the cable receiving element 12, here the cable pulley 14, lies outside a predetermined safety area assigned to the movement parameter.
  • a safety case is detected by the centrifugal clutch and is not limited to the detection of a movement parameter, but a safety case is detected in particular when the speed and / or the acceleration of the rope pulley 14 lies outside the respectively assigned predetermined safety range of the respective movement parameter.
  • the rotational speed of the rope pulley and the acceleration of the rotational movement of the rope pulley can be recorded using electronic components.
  • Such electronic Components are preferably coupled to an electronic processing device, so that if a movement parameter of the movement of the rope pulley from a movement parameter set lies outside a predetermined safety range of the movement parameter assigned to the respective movement parameter, the electronic processing device blocks an appropriately designed blocking device the movement of the rope pulley. This can be done, for example, by an electrically actuated brake of the rope pulley.
  • FIG 3a the blocking state is shown when a force in the direction W is applied to the cable pulley 14, wherein a rotational movement in the direction W of the cable pulley 14 is blocked. This is preferably done via a power transmission from the rope pulley 14 to the centrifugal clutch 10, further to the control element 40 and still further to the housing 4.
  • a blocked rope receiving element 12 preferably prevents movement of a rope 16 received thereon.
  • the rotor is coupled in the locked state 44 on the coupling element 48 by means of the at least one clamping element 46.
  • the blocking device is in Figure 3a in the locked state: the control element 40, which is rotatably mounted on the housing 4 on a second rotation shaft 86, bears on the outer circumference of the coupling element 48 with the right limiting projection 74r. Furthermore, there is contact between the right stop surface 72r and the left contact surface 64l of a stop element 62. In this case, the force acting on the rope pulley 14 through the rope is transmitted to the rotor 44.
  • the rotor 44 transmits this force to the coupling element 48 via the at least one clamping element 46. This in turn transfers this force to the control element 40 via the contact of the contact surface 64l with the stop surface 72r.
  • the movement of the coupling element 48, in particular with respect to the base element 4, is blocked in this state. In the present exemplary embodiment, however, the movement of the coupling element 48 should only be blocked if a force which acts on the cable pulley 14 causes the contact surface 64l to contact the stop surface 72r.
  • the movement of the cam section 66 along the cam guide surface brings the right limiting projection 74r closer to the outer circumference of the coupling element 48 as soon as the coupling element 48 has carried out at most a first predetermined movement section. If a stop element 62 is provided, the length of the first predetermined movement section is limited by 360 °; if a plurality of stop elements 62 are present, the length of the first predetermined movement section is determined by the Angular arrangement of the stop elements 62 determined.
  • the coupling element 48 is coupled to the movement of the cable pulley 14, so that the movement of the cam section 66 along the cam guide surface 76 brings the right limiting projection 74r closer to the outer circumference of the coupling element as soon as the cable pulley 12 has carried out at most the first predetermined movement section.
  • the belay device 2 assumes the position as shown in FIG Figure 3a is shown. This happens at the latest after the coupling element 48, and due to the present coupling also the rope pulley 14, has passed through a second predetermined movement section, the length of which is less than 360 ° or, if a plurality of stop elements 62 are present, is determined by the angular arrangement of the stop elements 62.
  • the movement of the rope pulley 14 is limited by the movement of the coupling element 48 in the presence of a securing case before the blocking state is reached, thus the rope pulley 14 can rotate so far when a securing case is present until a stop element 62 performs a rotary movement which is less than 720 ° and in the presence of a plurality of stop elements 62, if the securing case is present, the cable pulley 14 can rotate until an angular range is covered which is smaller than twice the maximum intermediate angle ⁇ between two stop elements 62.
  • the rotor 44 can be coupled to the coupling element 48 again when a fuse is detected, so that the case ends Figure 3a or Figure 3b depending on the direction of rotation, and the movement of the cable pulley 14 can be blocked at the latest after passing through the predetermined movement section, in particular an angular interval.
  • the movement of the pulley 14 is thus in the presence of a backup case limited to the predetermined moving section which is smaller than the combination of the first and second predetermined moving sections. This is ensured by the interaction of the stop element with the control element.
  • a cam section 66 on the stop element 62 and a cam guide surface 76 on the control element 40 guarantees that the control element 40 at the latest after passing through the first predetermined movement section of the coupling element 48, and thus the rope pulley 14, when the coupling of the rotor 44 is present the coupling element 48 via the at least one clamping element 46.
  • the control element 40 interacts with the stop element 62 like a pawl: the control element 40 becomes the one in FIG Figure 3a shown position rotated counterclockwise, so that in Figure 3a stop element 62 lying in contact with the stop surface 72r rotate together with the coupling element 48 counterclockwise.
  • the blocking device thus comprises a ratchet mechanism.
  • the rotation of the coupling element 48 stops at the latest when the following stop element 62 stops, since the control element has returned to its locked position due to the interaction of the cam section 66 of the stop element with the cam guide surface 76.
  • a blockage of the pulley 12 in the blocking state, as in Figure 3a can also be solved by pulling away from the securing device 2 in the direction F at a securing end of the cable 16, as a result of which a change in load is brought about at the securing end of the cable.
  • This causes a rotation of the control element 40 in the direction K3, which is in the blocking position, about the second rotation shaft 86 due to a leverage effect of a force acting on the ring-like element 26 through the cable 16.
  • the coupling element 48 is rotated clockwise by the contact of the stop surface 72r with the contact surface 64l.
  • the function of the belay device 2 has been described in relation to the direction of rotation W of the pulley 14. Due to the symmetrical structure of the security device 2, the function of the security device 2 in the direction of rotation opposite to the direction of rotation W corresponds to the function of the security device 2 in the direction of rotation W in an analogous manner.
  • a brake device 106 is integrally formed on a housing 104 to reduce the weight of the securing device 102.
  • the first section 168 of the control element has an actuation section 192 that is separate from the braking device 106.
  • the actuating section 192 is preferably configured to be actuated by a belayer to move the control element.
  • the braking device 106 is designed as a ring-like element 126 with a slot 128, through which a rope loop can be introduced into the inner region of the ring-like element 126.
  • a first rope end 184a preferably protrudes upward from the ring-like element 126, while the second rope end 184b is guided around the rope pulley 114 by the user and then inserted through the slot 128 into the interior of the ring-like element 126.
  • One of the half-rollers 142v can have a recess 194 oriented in the radial direction, so that the second cable end 184b can be inserted into the cable-receiving groove.
  • closure element 130 which is preferably slidably mounted with respect to the housing 104.
  • the closure element 130 is preferably set up to close the slot 128.
  • the closure element 130 is set up to subdivide the interior of the ring-like element 126 into two essentially closed eyelets, the first rope end 184a or the second rope end 184b running through each of these eyelets.
  • the braking device 106 is arranged stationary with respect to a coupling point designed as an opening 178.
  • FIG. 5 to 7 A third embodiment of the present invention will now be described with reference to FIG Figures 5 to 7 described, which is characterized in that at least one stop element 262 is arranged directly on at least one clamping element 246, whereby in the third embodiment of the present invention, the clamping element 246 connected, preferably in one piece, with a coupling element is trained.
  • the clamping element 246 can be both a clamping element and a coupling element in the sense of the or some claims.
  • the not visible edge of the receiving groove 298 is shown in dashed lines.
  • a belay device 202 of the third embodiment is constructed symmetrically with respect to a direction of use of a threaded rope.
  • the belay device 202 of the third embodiment of the present invention has a ring-like element 226, a braking device 206, a cable receiving element 212 designed as a cable roller 214, and a base element 204.
  • the braking device 206 has at least one friction surface 232r, 232l, preferably two friction surfaces 232r and 232l.
  • the friction surfaces 232r, 232l are able to brake a rope, not shown, regardless of the direction of movement of the rope.
  • Each of the friction surfaces 232r, 232l can be designed analogously to one of the friction surfaces 32r, 32l of the first exemplary embodiment.
  • the stop element 262 has a first contact surface 264r, a second contact surface 264l and a cam section 266.
  • the ring-like element 226 can have two sub-elements 226l, 226r, which in a preferred embodiment are rotatably mounted on a common rotation shaft 286 on the base element 204.
  • One of the partial elements 226r of the ring-like element 226 is integrally formed with a control element 240, wherein the partial element 226r can comprise elements of the braking device 206.
  • the control element 240 has a cam guide surface 276, stop surfaces 272l, 272r and limiting projections 274l, 274r.
  • the pulley 214 may include a first half-roller 242v and a second half-roller 242h.
  • At least one receiving groove 298 is preferably provided in a surface element 296 of the second half-roller 242h, particularly preferably two receiving grooves 298 are provided.
  • the surface element 296 of the second half-roller 242h can also be regarded as a rotor.
  • the surface element 296 can be a rotor in the sense of the or some claims.
  • the surface element 296 can be formed contiguously with the second half-roller 242h, but it is also possible that the surface element 296 is manufactured separately and is mounted on the second half-roller 242h by means of screws and / or rivets, so that the second half-roller 242h and the surface element 296 are non-rotatably connected.
  • the securing device 202 preferably comprises two clamping elements 246. Each of these clamping elements is equipped with at least one, preferably two, guide pins 300l, 300r.
  • the shape of a pin 300l, 300r is preferably adapted to the configuration of an assigned receiving groove 298. It is further preferred that at least one of the pins 300l, 300r, preferably both pins 300l, 300r, protrude into the associated receiving groove 298.
  • the at least one receiving groove 298 has an outer circumferential region 298out, which preferably extends along a circular section around an axis of rotation 224 of the surface element 296.
  • the outer peripheral region 298out is preferably delimited in each direction of rotation by a blocking region 298rb, 298lb.
  • a support arrangement 302 can be provided between the blocking areas 298rb, 298lb on the side of the receiving groove 298 opposite the outer peripheral area 298out.
  • the support assembly 302 preferably includes a left pin seat 298ls and a right pin seat 298rs.
  • the area of the support assembly 302 between the left 298ls pin seat and the right 298rs pin seat includes one left 298lf and one right 298lf guide surface.
  • the at least one receiving groove 298 preferably has a mirror-symmetrical structure, the mirror plane running through the axis of rotation 224.
  • the clamping element 246 is preferably pretensioned by means of a spring arrangement 304 such that the pins 300l, 300r rest in the respective pin seats 298ls, 298rs. If two clamping elements 246 are provided, the spring arrangement 304 preferably couples the two clamping elements 246 to one another.
  • the surface element 296, the at least one clamping element 246 and the control element 240 are elements of a centrifugal clutch and a blocking device of the securing device 202.
  • the braking device 206, in particular the friction surfaces 232r, 232l, is / are separate from elements of the centrifugal clutch and / or the blocking device 208, in particular spaced apart and / or separately from movable elements of the centrifugal clutch and preferably stationary with respect to a coupling point 278 designed as a through hole.
  • the coupling point 278 is preferably formed in the base element 204, and thus stationary with respect to the base element 204, which also preferably carries the axis of rotation 224 or a shaft defining the axis of rotation 224 such that the axis of rotation 224 is stationary with respect to the base element 204.
  • This can be achieved in particular in that the shaft defining the axis of rotation 224 is designed to be stationary and / or non-rotatable with respect to the base element 204.
  • a shaft designed to be non-rotatable with respect to a base element is to be understood as a shaft which cannot rotate with respect to the base element.
  • the shaft defining the axis of rotation 224 preferably rotatably supports the cable pulley 214.
  • the axis of rotation 224 or the shaft defining the axis of rotation 224 is preferably arranged stationary with respect to the base element 204.
  • the pin 300r slides along the right guide surface 298rf towards the outer circumference of the surface element 296.
  • the coupling element 246 moves essentially counter to the direction of rotation W until the pin 300l strikes in the blocking region 298lb. This movement of the clamping element 246 can be supported by an interaction of the at least one stop element 262 with the control element 240.
  • the inertia force drives the pin 300r to the outer peripheral area 298out (possibly supported by the interaction of the at least one stop element 262 with the control element 242), so that essentially a state exists in which both Pins 300l, 300r rest on the outer circumferential region 298out and the pin 300r in a radial direction above which the flat 306 lies.
  • a centrifugal force drives the at least one clamping element 246 in the direction of the outer circumference of the surface element 296 until both pins 300l, 300r on the outer circumferential region 298out of the receiving groove 298 attacks.
  • This centrifugal force is counteracted by the force exerted by the spring arrangement, so that both pins 300l, 300r only strike the receiving groove 298 at the outer circumferential region 298out when the speed of rotation of the rope pulley 214 exceeds a limit speed, and thus outside of that assigned to the speed of rotation (as a movement parameter of the rope pulley) predetermined safety range of the rotational speed is (which is a backup case).
  • the pin 300l is moved in the blocking area 298lb, so that there is essentially a state in which both pins 300l, 300r are in contact with the outer circumferential area 298out and the pin 300r in a radial direction above that Flattening 306 lies.
  • the control element 240 changes to its blocking position as soon as the contact surface 264r abuts the stop surface 272l and the blocking device 208 then into the Blocking position passes.
  • a blocking state of the blocking device 208 is present both at the end of the process described in case 1) and in case 2).
  • the blocking state becomes at the latest during the movement of the second stop element in the area influenced by the control element 240 assumed that the blocking device assumes the blocking state independently of an actuation of the control element 240 before the cable receiving element 114 has passed through a predetermined movement section.
  • the locked state the movement of the clamping element (coupling element) 246 relative to the base element 204 is blocked, since the control element 240 preferably establishes a force connection between the clamping element 246 and the base element 204 in the locked state via the shaft 286.
  • the blocking state occurs after a backup event has occurred.
  • the function of the blocking device in the third embodiment can be interpreted in such a way that the control element 240 has the function of a pawl and accordingly the blocking device then comprises a pawl mechanism.
  • the partial element 226r of the ring-like element 226 is rotated (opened) in the direction of the arrow Z about the second axis 286, as a result of which a closure 308 between the right partial area 226r and the left partial area 226l is opened.
  • a closure 310 is opened on the other side between the left 226l and right 226r partial element of the ring-like element 226.
  • the belay device 202 can be in a state ready for belaying and the braking device 206 is preferably arranged essentially stationary to the coupling point 278.
  • the axis 286 preferably prevents a rope loop from sliding out of the interior of the ring-like element 226, which has jumped out of the rope pulley 214.
  • At least the closure 308, preferably the closures 308 and 310 serves to transmit force to the left-hand partial element 226l of the ring-like element 226. If the left-hand partial element 226l on the Pivoting the axis of rotation 268 downward, at least the closure 310, preferably the closures 308 and 310, serves to transmit the force to the right sub-element 226r.
  • An inserted rope can set the pulley 214 in motion.
  • a housing section can be provided on the side of the cable pulley 2014 opposite the base element 204.
  • the shaft 224 is preferably arranged in a rotationally fixed manner on the housing section and is rotatably mounted in the base element 204.
  • the base element and the housing section can be rotated relative to one another, as a result of which the first rotation shaft is displaced with respect to the second rotation shaft and the ring-like element 226 is expanded becomes.
  • the ring-like element 226 can in particular be opened apart by displacing and / or rotating the first partial element 226l and the second partial element 226r.
  • a rope can be inserted particularly easily into this opened or more generally opened ring-like element 226, in particular through an opening in the ring-like element 226, which is created by the opening of the closure 308 or 310, or through the openings in the ring-like element 226, which through opening the closures 308 or 310 arise.
  • the base member 204 can be as one further housing section can be viewed and the housing section described above can be regarded as a basic element in the sense of this application.
  • FIG Figures 8a to 8e which is characterized in that the centrifugal clutch and the pawl mechanism of the securing device 402 comprise two sections, the first section of the centrifugal clutch coupling elements which leads to a blocking of the rope pulley when an acceleration or a speed of a rope pulley in one is exceeded first direction of rotation of the rope pulley (there is a securing case), and does not cause coupling of elements leading to a blocking of the rope pulley, if the rope pulley has a second direction of rotation opposite to the first direction of rotation, even if there is a securing case when the rope pulley rotates in the second direction of rotation ; and the second section of the centrifugal clutch causes a coupling of elements, which leads to a blocking of the rope pulley, when an acceleration or a speed of the rope pulley in the other direction of rotation of the rope pulley is exceeded (in the event of a securing
  • Fig. 8a shows a belay device 402, the construction of which is similar to that of belay device 202, but differs in the centrifugal clutch and the control element.
  • Corresponding parts of the security device 202 are provided with the same reference symbols in the security device 402. How the belay works 402 is to be emphasized on the representation of a housing or a base element in the Figures 8a to 8e been waived.
  • the rest position can be defined by the fact that the centrifugal weight 408 bears against a abutting section 413, which is designed, for example, as a bolt or an elevation.
  • the blocking recess 404 and the shaft 406 are each arranged in a stationary manner with respect to the rope pulley 214 (the rope receiving element).
  • a locking device of the securing device 402 comprises the centrifugal clutch and the rope pulley 214 as a rope receiving element.
  • the rope pulley 214 is rotatably mounted on a shaft 224.
  • the control element 416 can be a jack 418 and / or one Control element stop surface 420 and / or a cam guide surface 422 and / or a Umschaltiereanschalg Structure 424.
  • the ring-like member 226 may be modified to have a control abutment mating surface 426.
  • the ring-like element 226 is preferably pivotally mounted on the shaft 414. Accordingly, the blocking device can thus comprise a ratchet mechanism.
  • flyweight 408 If the flyweight 408 is in the active position, there is a safety case. If the centrifugal weight 408 is in the active position and the rope pulley 214 rotates further in the direction of W, it strikes Changeover tooth 410 on the changeover tooth surface 424 ( Fig. 8c ), which causes the control element 416 to rotate about the shaft 414 in the direction P, as a result of which the pawl 418 engages in the locking recess 404.
  • a flank 428 of the blocking recess 404 is inclined in a direction W in relation to a radial direction of the cable pulley 214, so that when the pawl 418 engages in the blocking recess 404, a state is reached in which the rotation (movement) of the cable pulley 214 is securely blocked, so that a locked condition exists, whereby the rotation of the rope pulley 214 is blocked (stopped) and the rope movement is stopped.
  • a flank 430 of the pawl 418 (viewed in engagement with the locking recess 404) is preferably inclined opposite to the direction W, and in particular is complementary to the flank 428 of the locking recess 404.
  • this has the same functionality for the W opposite direction of rotation of the cable pulley 214 as the first section of the Centrifugal clutch for direction of rotation W.

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  • Health & Medical Sciences (AREA)
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  • Physical Education & Sports Medicine (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
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Claims (15)

  1. Dispositif de sécurisation (2 ; 102 ; 202) comprenant un dispositif de blocage (8 ; 108 ; 208),
    dans lequel le dispositif de blocage (8 ; 108 ; 208) comprend un élément de réception de corde mobile (12, 14 ; 112, 114 ; 212, 214) adapté pour être déplacé par une corde (16 ; 116 ; 432) reçue sur celui-ci,
    dans lequel le dispositif de blocage (8 ; 108 ; 208) est adapté pour bloquer un mouvement de l'élément de réception de corde (12, 14 ; 112, 114 ; 212, 214) dans un état de blocage et pour permettre le mouvement de l'élément de réception de corde (12, 14 ; 112, 114 ; 212, 214) dans un état de roue libre, dans lequel le dispositif de blocage (8 ; 108 ; 208) passe de l'état de roue libre à l'état de blocage dans un cas de sécurisation, dans lequel le dispositif de blocage (8 ; 108 ; 208) comporte en outre un élément de commande (40 ; 240) dont l'actionnement à l'état de blocage provoque la transition du dispositif de blocage (8 ; 108 ; 208) à l'état de roue libre,
    caractérisé en ce que, dès que le cas de sécurisation est présent, le dispositif de blocage (8 ; 108 ; 208) prend l'état de blocage indépendamment d'un actionnement de l'élément de commande (40 ; 240), en particulier par une personne effectuant l'opération de sécurisation, avant que l'élément de réception de corde (12, 14 ; 112, 114 ; 212, 214) n'ait parcouru une section de mouvement prédéterminée.
  2. Dispositif de sécurisation (2 ; 102 ; 202, 402) selon la revendication 1, comprenant en outre un dispositif de freinage (6 ; 106 ; 206), dans lequel le cas de sécurisation est présent lorsqu'un paramètre de mouvement du mouvement de l'élément de réception de corde (12, 14 ; 112, 114 ; 212, 214) d'un ensemble de paramètres de mouvement se trouve en dehors d'une plage de sécurité prédéterminée du paramètre de mouvement associé au paramètre de mouvement respectif,
    dans lequel le dispositif de freinage (6 ; 106 ; 206) est adapté pour freiner un mouvement de la corde (16 ; 116) indépendamment d'une direction de mouvement de la corde.
  3. Dispositif de sécurisation (2 ; 102 ; 202 ; 402) selon la revendication 2,
    caractérisé en ce que l'ensemble de paramètres de mouvement comprend une vitesse et/ou une accélération comme paramètre de mouvement du mouvement de l'élément de réception de corde (12, 14 ; 112, 114 ; 212, 214).
  4. Dispositif de sécurisation (2 ; 102 ; 202 ; 402) selon la revendication 2 ou la revendication 3,
    caractérisé en ce que l'état de blocage se produit indépendamment d'une influence d'une personne effectuant l'opération de sécurisation.
  5. Dispositif de sécurisation (2 ; 102) selon l'une quelconque des revendications 2 à 4, comprenant en outre
    un élément de base (4),
    dans lequel l'élément de réception de corde (12, 14 ; 112, 114) est conçu comme une poulie à corde (14 ; 114) montée de manière rotative par rapport à l'élément de base (4), et
    dans lequel le dispositif de blocage (8 ; 108) comprend un embrayage centrifuge (10) comprenant un rotor (44), un élément de serrage (46) et un élément d'accouplement (48),
    dans lequel la poulie à corde (12, 14 ; 112, 114) est adaptée ou accouplée sur le rotor (44) de telle sorte qu'une rotation de la poulie à corde (12, 14 ; 112, 114) provoque une rotation du rotor (44), et
    dans lequel, à l'état de blocage, un accouplement du rotor (44) au moyen de l'élément de serrage (46) à l'élément d'accouplement (48) est présent et/ou dans lequel, à l'état de blocage, un blocage d'un mouvement de l'élément d'accouplement par rapport à l'élément de base est présent.
  6. Dispositif de sécurisation (2 ; 102 ; 202 ; 402) selon l'une des revendications 2 à 5, caractérisé en ce qu'à au moins un paramètre de mouvement de l'ensemble des paramètres de mouvement est attribué une plage de sécurité prédéterminée qui comprend des valeurs dudit au moins un paramètre de mouvement qui empêchent le mouvement de l'élément de réception de corde (12, 14 ; 112, 114 ; 212, 214) dans une première direction et qui comprend des valeurs d'au moins un paramètre de mouvement caractérisant un mouvement de l'élément de réception de corde (12, 14 ; 112, 114 ; 212, 214) dans une deuxième direction, la deuxième direction étant différente de la première direction.
  7. Dispositif de sécurisation (2 ; 102 ; 202 ; 402) selon l'une des revendications 2 à 6, caractérisé en ce que le dispositif de freinage (6 ; 106 ; 206) est formé séparément du dispositif de blocage (8 ; 108 ; 208).
  8. Dispositif de sécurisation (2 ; 102 ; 202 ; 402) selon l'une des revendications 2 à 7, dans lequel le dispositif de freinage (6 ; 106 ; 206) est adapté, à l'état de roue libre, pour freiner le mouvement de la corde (16 ; 116 ; 432) indépendamment du sens de déplacement de la corde.
  9. Dispositif de sécurisation (2 ; 102 ; 202 ; 402) selon l'une des revendications 2 à 8, dans lequel, dans un état du dispositif de sécurisation (2 ; 102 ; 202 ; 402) prêt à la sécurisation, le dispositif de freinage (6 ; 106 ; 206) est disposé de manière sensiblement stationnaire par rapport à un point d'accouplement (78 ; 178 ; 278) du dispositif de sécurisation prévu pour l'accouplement à un point de sécurisation externe.
  10. Dispositif de sécurisation (2 ; 102 ; 202 ; 402) selon l'une des revendications 2 à 9, dans lequel le dispositif de freinage (6 ; 106 ; 206) présente au moins une surface de friction (32r, 32l ; 232r, 232l), de préférence deux surfaces de friction (32r, 32l ; 232r, 232l), pour freiner la corde (16 ; 116 ; 432).
  11. Dispositif de sécurisation (2 ; 102 ; 202 ; 402) selon l'une des revendications 2 à 10, le dispositif de freinage (6 ; 106 ; 206) étant formé comme un élément annulaire (26 ; 126; 226).
  12. Dispositif de sécurisation (2 ; 102 ; 202 ; 402) selon l'une des revendications 2 à 11, caractérisé en ce que le dispositif de freinage (6 ; 106 ; 206) est adapté pour s'ouvrir pour l'insertion d'une corde (16 ; 116 ; 432) sur le dispositif de sécurisation (2 ; 102 ; 202; 406).
  13. Dispositif de sécurisation (2 ; 102 ; 202 ; 402), selon l'une des revendications précédentes, comprenant en outre un dispositif de freinage (6 ; 106 ; 206),
    dans lequel le dispositif de freinage (6 ; 106 ; 206) est adapté pour freiner un mouvement d'une corde (16 ; 116 ; 432),
    dans lequel le dispositif de blocage (8 ; 108 ; 208) est adapté de telle sorte qu'un changement de charge à une extrémité de la corde (84r, 84l ; 184r, 184l) provoque une transition de l'état de blocage à l'état de roue libre.
  14. Dispositif de sécurisation (2 ; 102 ; 202 ; 402), selon l'une des revendications précédentes, comprenant en outre un dispositif de freinage (6, 26 ; 106, 126 ; 206),
    dans lequel le dispositif de blocage (8 ; 108 ; 208) comprend un embrayage centrifuge (10), et
    dans lequel le dispositif de freinage (6, 26 ; 106, 126 ; 206) est formé séparément des parties mobiles de l'embrayage centrifuge (10).
  15. Dispositif de sécurisation (2 ; 102 ; 202, 402) selon l'une des revendications précédentes, comprenant en outre
    un élément de base (4) et
    un point d'accouplement (78 ; 178 ; 278) prévu pour l'accouplement à un point de fixation externe,
    dans lequel l'élément de réception de corde (12, 14 ; 112, 114) est formé comme une poulie de corde (14 ; 114, 214) supportée de manière rotative par rapport à l'élément de base (4), et
    dans lequel le point d'accouplement (78 ; 178 ; 278) est formé de manière stationnaire par rapport à l'élément de base (4), et
    un axe de rotation (24, 224) de la poulie de corde (14 ; 114, 214) est formé de manière stationnaire par rapport à l'élément de base (4).
EP16166359.6A 2015-04-22 2016-04-21 Appareil de sécurité Active EP3093050B1 (fr)

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Also Published As

Publication number Publication date
EP3721950A1 (fr) 2020-10-14
DE102015207363A1 (de) 2016-10-27
EP3721950B1 (fr) 2021-06-23
EP3093050A2 (fr) 2016-11-16
EP3093050A3 (fr) 2017-03-22
EP3725383B1 (fr) 2024-07-03
EP3725383A1 (fr) 2020-10-21
US20160310767A1 (en) 2016-10-27

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