EP3093050A2 - Appareil de sécurité - Google Patents

Appareil de sécurité Download PDF

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Publication number
EP3093050A2
EP3093050A2 EP16166359.6A EP16166359A EP3093050A2 EP 3093050 A2 EP3093050 A2 EP 3093050A2 EP 16166359 A EP16166359 A EP 16166359A EP 3093050 A2 EP3093050 A2 EP 3093050A2
Authority
EP
European Patent Office
Prior art keywords
movement
blocking
cable
pulley
cable receiving
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.)
Granted
Application number
EP16166359.6A
Other languages
German (de)
English (en)
Other versions
EP3093050A3 (fr
EP3093050B1 (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 present invention relates to a belay device comprising a braking device and a blocking device.
  • the present invention has been made in view of the above-described problems, and has an object to provide a belay device which enhances safety in handling.
  • a belay device comprising a braking device and a blocking device
  • the blocking device comprises a movable cable receiving element which is adapted to be moved by a cable received thereon, wherein the blocking device is adapted to in a Blocking state to block a movement of the cable receiving element, wherein the blocking device in a fuse state in the blocking state, wherein the fuse case exists when a movement parameter of the movement of the cable receiving element from a movement parameter amount outside of the respective movement parameter associated predetermined safety range of the movement parameter, characterized in that the braking device is adapted to decelerate a movement of the rope independently of a direction of cable movement.
  • the movement of the cable receiving element is preferably coupled to the movement of the cable received therein.
  • the cable receiving element be designed such that the rope moves in a case of security only slightly opposite to the cable receiving element before the movement of the cable receiving element is prevented.
  • the movement of the rope is prevented.
  • the rope receiving member has a protruded structure (protrusion structure) in the portions with which it can contact the rope to increase the friction between the rope and the rope receiving member.
  • a belayer can provide the necessary for example for lowering Seilabbremsung with the belay device regardless of which end of the climbing climber has hooked or involved.
  • the belay device includes a first through the Brake device formed safety device with which the movement of the rope can be controlled controlled, a second safety device, which is responsible for safety in a fallback, for example, in a fall of the climber.
  • Such a two-stage safety system increases the safety of the climber and the independence of the braking effect of a cable movement direction reduces the risk due to the choice of the wrong end of the fuse.
  • Such a belay device also allows the user to deflate on a rope, the braking device allowing control of the deflation rate, while the blocking device is responsible for the safety of the user in the event of a fall. Both functions are combined in a single belay device, while, for example, the Abseilachter a second separate safety device in the form of a Prusikknotens to fulfill both functions was necessary.
  • the movement parameter set preferably comprises a speed and / or an acceleration as a movement parameter of the movement of the cable receiving element. If a speed is an element of the amount of movement parameter, then the movement of the cable-receiving element is blocked if the speed is outside a safety range associated with the speed of the cable-receiving element, for example too high, so that the movement of the cable is prevented before the person to be secured reaches too high a speed, which could cause injury if hit by a stone or the ground.
  • an acceleration of the cable receiving element is an element of the movement parameter quantity
  • the movement of the cable receiving element is blocked if the acceleration lies outside a predetermined safety range associated with the acceleration, for example the acceleration is too great in magnitude. If the acceleration is outside the predetermined safety range associated with the acceleration, then this is an indication of a fall of the person to be secured, so that the belay device prevents the movement of the rope before the person to be protected can absorb a speed which would lead to serious injuries in the event of an impact.
  • a second modification of the belay device according to the first aspect of the invention is characterized in that the blocking state occurs independently of an influence of a belayer. In this way, the movement of the cable receiving element is blocked regardless of whether the belayer of the securing activity pays the necessary attention, if necessary is in panic, has lost consciousness or the brake device is not operated so that the movement of the rope is braked.
  • the belay device further comprises a base element, wherein the cable receiving element is designed as a pulley rotatably mounted relative to the base element, and wherein the blocking device comprises a rotor, a clamping element and a coupling element comprehensive centrifugal clutch, wherein the pulley is formed or coupled to the rotor such that rotation of the pulley causes rotation of the rotor, and wherein in the blocking state, a coupling of the rotor by means of the clamping element is present on the coupling element and / or wherein in the blocking state there is a blocking of a movement of the coupling element relative to the base element.
  • a centrifugal clutch is a reliable element with which the blocking device according to the invention can be realized.
  • the belay device assigns at least one motion parameter from the motion parameter set a predetermined safety range comprising values of the at least one motion parameter, which comprises a movement of the cable receiving member in a first direction, and the values of the at least one movement parameter, which characterize a movement of the cable receiving member in a second direction, wherein the second direction is different from the first direction. If such a predetermined safety area is assigned to a movement parameter of the cable receiving element, then the cable receiving element can move in two directions that are different from one another without a safety case being present.
  • the cable receiving element is adapted to be moved by a cable received thereon, such a safety device allows both the use of the braking device regardless of a cable movement direction for braking the rope, as well as the use of the blocking device, which allows a cable movement in two directions.
  • a misuse of the belay device is prevented by integrating or hooking the climber in a wrong end of the rope to a particularly strong extent.
  • the belay device can be characterized in a fifth modification of the belay device according to the first aspect of the invention in that the braking device is formed separately from the blocking device.
  • both the braking device and the blocking device can be formed independently of each other on the respective function, so that a particularly good braking of the rope and a particularly reliable blocking of the cable receiving element is made possible.
  • the braking device may be formed separately from the cable receiving element or the pulley, so that the raised by a mobility of the cable receiving element design constraints do not affect the most optimal design of the braking device.
  • Blocking device is adapted to allow in a freewheeling state, the movement of the cable receiving member, wherein in the freewheeling state, the braking device is adapted to decelerate the movement of the rope regardless of the cable movement direction.
  • the belayer In the freewheeling state, the belayer can either rappel the climber or himself and control the speed through the use of the braking device so that a safe output speed can be set without jamming the rope receiving element.
  • the braking device may be arranged substantially stationary in a securing state of the belay device to a coupling point of the belay device provided for coupling to an external securing point. If the brake device does not move substantially opposite a coupling point of the belay device to which, for example, the belayer's harness or a strap loop fastened to a climbing hook is attached, the likelihood of the belayer engaging a part of the hand or clothing in the braking device during operation decreases the backup device, since the position of the braking device relative to the coupling point does not change significantly and the belayer does not always have to check the position of the braking device when backing up again.
  • the braking device may have at least one friction surface, preferably two friction surfaces, for braking the cable.
  • the braking device may have at least one friction surface, preferably two friction surfaces, for braking the cable.
  • the braking device is designed as a ring-like element. As a result, slipping out of the rope from the brake device can be prevented.
  • a ring-like element to be understood in the context of this application elements that enclose a cavity portion such that a cavity portion penetrating rope is prevented by the annular element from being easily moved in a direction transverse to the direction of extension of the rope from the cavity portion.
  • a simple movement out of the cavity portion is to be understood as meaning at all times the possibility of arranging the cable in a direction transverse to the direction of extension of the cable, for example through a gap in the annular element, without arranging the cable in a particular, curved shape. to move outward from the cavity portion of the ring-like member.
  • a simple movement of the gap is twice as wide, preferably 1.5 times as wide, most preferably 1.1 times as wide as the suitable for use with the belay device rope.
  • the annular element may have a gap or opening, each provided with a device to close the gap such that the rope penetrating the cavity inside the annular element does not move sideways in a direction Direction transverse to the direction of extension of the rope from the ring-like element can be moved out.
  • the ring-like element may consist of a plurality of sub-elements, which only when assembled, for example, in an operative state of the belay device, form a ring-like element. It may be thought that assemblies of a ring-like element may be arranged to be movable relative to each other. In particular, assemblies of a ring-like element for it be arranged to close by a movement gaps or openings in the ring-like element.
  • a belay device can be distinguished in a tenth modification of the belay device according to the first aspect of the invention in that the braking device is adapted to open for insertion of a cable on the belay device. As a result, the insertion of the rope is facilitated.
  • a belay device which may comprise the features of a belay device according to the first aspect and its modifications, comprising a braking device and a blocking device, wherein the braking device is adapted to decelerate a movement of a rope the blocking device comprises a movable cable receiving element adapted to be moved by the cable received thereon, wherein the blocking device is adapted to block a movement of the cable receiving element in a blocking state and to allow the movement of the cable receiving element in a free running state, characterized in that the blocking device is designed in such a way that a load change at one end of the cable causes a transition from the blocking state to the free-running state.
  • the blocking device is designed in such a way that, starting from a position of the cable receiving element at a transition from the blocking state to the freewheeling state, the blocking device is adapted to block the movement of the cable receiving element before the cable receiving element passes through a predetermined movement section Has.
  • the load change at a securing end of the rope may be effected by pulling on the securing end away from the belay device.
  • the load change is effected at a load end of the rope by pulling the load end towards the belay device.
  • the belayer can also make the transition from the locked condition to the free running condition by pulling on a load portion of the rope to shorten the time that a possibly injured person to be secured attaches to a blocked rope. Again, it is not necessary to completely relieve the rope to cause a transition from the blocking state in the freewheeling state, which in turn is possible only with a high expenditure of force.
  • the belay device may be characterized in that the blocking device comprises a centrifugal clutch comprising a coupling element, wherein the coupling element is arranged in the belay device such that the coupling element can execute a movement within the belay device , and that the Movement of the coupling element can be blocked, the load change of the rope causes a solution of a blocking of the coupling element.
  • the blocking device comprises a centrifugal clutch comprising a coupling element, wherein the coupling element is arranged in the belay device such that the coupling element can execute a movement within the belay device , and that the Movement of the coupling element can be blocked, the load change of the rope causes a solution of a blocking of the coupling element.
  • the centrifugal clutch may further comprise a rotor and a clamping element, wherein in the blocking state a coupling of the rotor by means of the clamping element is present on the coupling element, and wherein the release of the blocking of the coupling element releases the coupling of the rotor to the coupling element.
  • centrifugal clutch which preferably couples in the presence of a speed outside a predetermined safety range assigned to the speed or in the presence of an acceleration outside a predetermined safety range of the cable receiving element associated with the acceleration, ensures that the release of the blocking of the coupling element controls the coupling of the rotor releases the coupling element, whereby the rotor in the centrifugal clutch can rotate again and thus a dangerous movement of the cable receiving element can be detected.
  • the coupling element is able to move, which preferably results in a relief of the clamping element result, which is preferably in contact with the rotor and the coupling element in the coupling of the rotor and in presence the discharge is released from the system, which triggers the coupling of the rotor to the coupling element.
  • the blocking device further comprises a control which is adapted to assume a blocking position, wherein the coupling element comprises a stop element, wherein in the blocking position in the blocking state, the stop member cooperates with the control element in that the movement of the coupling element in the belay device is blocked, and in the case of a movement of the control from the blocking position from the blocking state, the stop element interacts with the control in such a manner that the blocking of the movement of the coupling element relative to the belay device is released.
  • stop element on the coupling element and a control element, which cooperates with the stop element, preferably in the form of a system or in the form of a cam-guide surface interaction, a particularly simple control concept for blocking the movement of the coupling element and solution of this blockage implemented in the backup device.
  • the blocking device comprises a centrifugal clutch comprising a clamping element, wherein the clamping element is arranged in the belay device such that the clamping element can perform a movement within the belay device, and that the movement of the clamping element is lockable, wherein the load change of the rope causes a solution of a blocking of the clamping element.
  • the centrifugal clutch may further comprise a rotor, wherein in the blocking state there is a coupling of the rotor by means of the clamping element to a control, and wherein releasing the blocking of the clamping element, the coupling of the Rotor on the control triggers.
  • the belay device in an eighth modification of the belay device according to the second aspect of the invention, it is further possible for the belay device to be characterized in that the control element is adapted to assume a blocking position, wherein the clamping element has a stop element, wherein in the blocking position in the blocking state the stop element cooperates with the control such that the movement of the clamping element is locked in the belay device, and wherein upon movement of the control from the blocking position from the blocking state, the stop element cooperates with the control such that the blocking of the clamping element is achieved within the belay device.
  • stop element on the clamping element and a control element, which interacts with the stop element, preferably in the form of a system or in the form of a cam-guide surface interaction, a particularly simple control concept for blocking the movement of the clamping element and solving this blockage implemented in the backup device.
  • a ninth modification of the belay device according to the second aspect of the invention which also comprises the features of the fifth modification of the belay device according to the second aspect, can be attached thereto be thought to attach the brake device to the control.
  • the braking device may be formed integrally with the control or the braking device may be mounted on the control means via a hinge, such as a hinge. If the brake device is mounted on the control means, then the control is moved by an actuation of the braking device, whereby the blocking of the coupling element is released, however, can act on the rope during the solution already a braking force, so that a cable movement can be slowed down.
  • a belay device which may have the features of a belay device according to the first or second aspect, including all modifications, comprising a blocking device, wherein the blocking device comprises a movable cable receiving element arranged therefor is to be moved by a rope received thereon, wherein the blocking device is adapted to block a movement of the cable receiving element in a blocking state and to allow the movement of the cable receiving element in a freewheeling state, wherein the blocking device transitions from the freewheeling state to the blocking state in a locking state wherein the blocking device further comprises a control whose operation causes the blocking device in the free-wheeling state in the blocking state, characterized in that as soon as the fuse case before is, the blocking device, the blocking state regardless of an actuation of the control, in particular by a belay, occupies before the rope receiving element has passed through a predetermined movement section.
  • the blocking device assumes the blocking state before the cable receiving element has passed through a predetermined movement section. This also takes place when the belayer uses the control to effect the transition from the blocking condition to the free-running condition, whereby an excessive speed recording of the security can be prevented.
  • the belayer depends on the climber in the rope and the belayer causes a transition of the blocking device from the blocking state in the freewheeling state, without worrying about a sufficient deceleration of the safety rope, that is, the fuse case occurs substantially instantaneously after the transition to the freewheeling state, so by the rope moves the rope-receiving element and after the rope-receiving element has passed through a predetermined movement section, the blocking device passes into the blocking state due to the presence of the safety case. This transition occurs regardless of whether the control has been operated or is being operated.
  • the blocking device assumes an inactive state in which the blocking device can not block a movement of the cable receiving element, which is only canceled by a further actuation of the control.
  • the movement of the rope is thus preferably limited in the belay device in the presence of a security case, preferably limited to a rope travel length of less than 1 m, more preferably less than 0.5 m, most preferably less than 0.2 m.
  • a braking device according to the third aspect of the present invention in all its modification, a braking device and such a belay device through the Modify features of the modification five to ten of the belay device according to the first aspect of the present invention, without including further features of the belay device according to the first aspect of the present invention.
  • a belay device which can have the features of a belay device of the first, second or third aspect in all modifications, comprising a braking device and a blocking device, wherein the blocking device comprises a centrifugal clutch, and wherein the brake device is formed separately from moving parts of the centrifugal clutch.
  • the brake device is formed as a ring-like member. In such a design of the braking device slipping out of the rope from the brake device is prevented.
  • the blocking device may comprise a movable cable receiving element adapted to be moved by the cable received thereon, the cable receiving element being coupled to the centrifugal clutch, the centrifugal clutch comprising a first and a second portion of the Centrifugal clutch comprises, wherein the centrifugal clutch is adapted to block a movement of the cable receiving element in a blocking state and decelerate a movement of the rope, wherein the centrifugal clutch in a fuse case in the blocking state, wherein the fuse case is present, if a movement parameter of the movement of the cable receiving element one Movement parameter set is outside a predetermined safety range of the motion parameter associated with the respective motion parameter, wherein the first portion of the centrifugal clutch is adapted to block movement of the cable receiving member in the case of securing, when the cable receiving member moves in a first direction, and is adapted to Allowing movement of the cable receiving member when the cable receiving member moves in a second direction opposite the first direction, the second
  • the individual sections of the centrifugal clutch can be particularly well matched to the task.
  • the belay device may be used for securing, with the load end and the belay end of the cable being selected according to the undamaged portion of the centrifugal clutch. As a result, this is equipped with a redundancy, which allows further use of the belay device in case of malfunction.
  • the blocking device of the securing device may comprise a latch mechanism.
  • the latch mechanism is preferably adapted to allow at least a stepwise movement of the cable receiving element.
  • the blocking device if not already set forth, a centrifugal clutch, preferably with a, in particular movable, coupling element and / or a, in particular movable, control and / or a rotor and / or a clamping element.
  • the coupling element may have the function of a ratchet wheel of the latch mechanism.
  • the control may have the function of a latch in the latch mechanism.
  • the latch mechanism is adapted to allow a movement of the coupling element stepwise.
  • the latch mechanism is adapted to restrict the movement of the coupling element to movement sections.
  • the latch mechanism is formed symmetrically with respect to the possible directions of movement of the cable receiving element.
  • the rope receiving element may be formed as a pulley.
  • the pulley is rotatably mounted, whereby the outputting and / or the pulling of the rope on the belay device is particularly comfortable.
  • the pulley can be rotatably mounted friction, wherein the storage of the pulley is preferably realized by a sliding bearing.
  • a sliding bearing allows a cost-effective, low-friction, rotatable mounting of the pulley.
  • the rotatable mounting of the pulley is realized with the aid of a ball bearing.
  • the latch mechanism is formed symmetrically with respect to the forward and reverse rotation of the pulley. It is also possible that the latch mechanism is adapted to restrict the movement of the cable receiving element, preferably in cooperation with the coupling element, particularly preferably in cooperation with the centrifugal clutch, most preferably in the presence of a coupling of the rotor to the coupling element, on movement sections.
  • the coupling of the rotor to the coupling element comes about by a latching of the clamping element in the coupling element in a predetermined structure.
  • the centrifugal clutch and / or the latch mechanism is adapted to cause in a case of safety, a transition of the blocking device in the blocking state when the cable receiving element moves in a first direction and to cause in a case of security, no transition of the blocking device in the blocking state when the cable receiving element itself moved in a direction different from the first direction, preferably opposite, the second direction and wherein the second portion of the centrifugal clutch and / or the latch mechanism is adapted to cause in a fuse, a transition of the blocking device in the blocking state when the cable receiving member is in the second Moved direction and to cause in a fuse case no transition of the blocking device in the blocking state when the cable receiving member moves in the first direction.
  • the securing device may further comprise a base member and a coupling point provided for coupling to an external securing point
  • the blocking device comprising a movable cable receiving member adapted to be moved by a cable received thereon, the cable receiving member is formed as a relative to the base member rotatably mounted pulley, the coupling point is stationary with respect to the base member is formed and the axis of rotation of the pulley stationary with respect to the base member is formed.
  • the belay device is particularly simple, on the base member is a coupling point, in particular an opening for threading a carabiner, stationary and formed on the same base member is a rotation axis of the pulley stationary with respect to the base member, for example, by a stationary relative to the base member arranged rotary shaft.
  • a housing of the belay device can be formed as a base element of the belay device, in particular in multi-part housings in which a plurality of mutually displaceable and / or rotatable sections have coupling points or coupling point sections, the above-described embodiment of the present invention is to be understood as relating to a section of the housing, the axis of rotation of the pulley is formed stationary and that the coupling point is stationary with respect to this housing portion is formed.
  • a portion of the housing (housing portion) may be formed as a base member.
  • the belay device may be configured such that the braking device is configured as a ring-like element which is adapted to be unfolded, wherein preferably the ring-like element comprises a first sub-element and a second sub-element, and when the ring-like element comprises a first sub-element and a second sub-element, in a particularly preferred embodiment, the ring-like Element adapted to be unfolded by the first sub-element and the second sub-element are shifted from each other and / or rotated.
  • the ease of use of the belay device is increased, since an insertion of a rope in the belay device is particularly comfortable by the unfolded ring-like element.
  • the belay device is not only suitable for use in climbing, but can also be used for releasing a climber, for releasing the belayer itself or for securing the solo climbing. Furthermore, the belay device is not limited to the use in the climbing area, but can be used wherever a load or a person must be secured to a rope, such areas are, for example, industrial climbing, mountain rescue, as well as the police or the To look at the fire department. For this reason, terms such as the climber, the climber or the belayer are used as synonyms in the context of this application.
  • FIG. 1 a shows a first embodiment of a belay device 2 according to the invention, wherein a housing 4 (see FIG FIG. 2 ) in FIG. 1a has been omitted.
  • the locking device comprises a braking device 6 and a blocking device 8.
  • the blocking device 8 preferably comprises a centrifugal clutch 10. It is also possible that the blocking device comprises a movable cable receiving element 12, which is formed in a preferred embodiment as a pulley 14.
  • the cable receiving element 12 can be moved by the cable 16 when the cable 16 is received on the cable receiving element 12. The movement of the cable is transmitted to the cable receiving element 12, for example, by a friction of the cable 16 on a receiving surface 20 preferably provided with a projection structure 18.
  • the receiving surface 20 at the Inside a Seilabilitynut 22 of the pulley 14 is provided.
  • the protrusion structure 18 is preferably provided in the Seilabilitynut 22 and can taper towards the center of the Seilabilitynut 22 towards.
  • ropes 16 having different diameters can be used in the belay device 2, since the rope 16 used can be wedged according to its diameter at a suitable conical portion of the protrusion structure 18 under load.
  • the cable receiving element 12 is formed such that the cable 16 causes a slip of the cable receiving element 12 substantially slip-free and in a particularly advantageous embodiment, a blocked cable receiving element due to friction, the slip of the cable 16 on the cable receiving element 12, and thus a movement of the cable 16 , can prevent. Is like in FIG. 1a shown the protrusion structure 18 formed on the side walls of the Seilabilitynut 22, so the cable 16 jammed in the converging walls of the Seilabilitynut 22 and a slip of the rope 16 is prevented under load of the cable 16.
  • 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 in particular formed separately from the moving parts of the centrifugal clutch 10.
  • the braking device 6 may be partially, in particular completely, made of metal in order to be able to dissipate the heat generated during braking of the cable 16. If the braking device 6 is partially or completely made of metal, then it has a high resistance to abrasion and is therefore designed to be particularly resistant to wear.
  • the housing 4 of the belay device 2 may have a receptacle or a bearing of a first rotation shaft 24, wherein the first rotation shaft 24 may be configured to receive the cable receiving element 12.
  • the braking device is formed as a ring-like element 26 which completely encloses an opening (an inner space of the ring-like element 26) through which a cable loop of the cable 16 can be threaded and the cable 16 can be received on the cable receiving element 12.
  • the first embodiment as in FIG. 1 b, to the extent that the ring-like element 26 is provided with a gap 28 (to improve clarity, see Figs FIG. 1b the rear wall of the annular element 26 is not shown behind the gap 28), so that the cable 16 can pass through the gap in the interior of the annular element 26 to facilitate the cable receptacle on the cable receiving element 12.
  • a preferably lockable and dearretierbares closure member 30, whereby both the insertion of the cable 16 can be simplified in the interior of the annular element 26, and with locked locking element 30, the sliding out of the cable 16 through the gap 28 can be prevented.
  • 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 may be partially, in particular completely, made of metal, in order to be able to dissipate the heat arising during the braking of the cable 16.
  • the friction surfaces 32r, 32l are able to decelerate the cable 16 independently of the direction of movement, for this it is usually sufficient to change the position of the cable section at which the belayer controls the cable movement with respect to the belay device 2, as in a tuber.
  • such a friction surface 32r, 32l is concave, so that the cable 16 in the concave friction surface 32r, 32l is deformed and a deceleration of the cable 16 by friction to a greater extent on the side walls 34r, 34l of the concave friction surface 32r, 32l takes place.
  • the side walls 34r, 34l and / or the bottom portion 34r and 34l lying between two side walls may be provided with ribs 36, or otherwise formed projections (not shown) to increase the friction of the cable 16 in the braking device 6, and thus the deceleration to support the rope 16.
  • the unfolding is realized by a partially in FIG. 1a indicated hinge 38, which connects the ring-like element 26 with a control 40.
  • a rope loop of the rope 16 may be inserted through the opening of the ring-like member 26 to be wrapped around the pulley 14.
  • the ring-like element 26 can be folded back in the direction K2.
  • the opening of the annular element 26 is substantially aligned with the cable receiving groove 22.
  • the blocking device 8 comprises the cable receiving element 12 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, by means of the receiving surface 20, the movement of the cable pulley 14 couples to the movement the cable 16.
  • the pulley 14 may in a preferred embodiment, as shown in the first embodiment, a first half roll 42v and a second half roll 42h include, which are preferably arranged to each other stationary, but it is also possible to form the pulley 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-rotatable with the pulley 14, for example by the rotor 44 and the pulley 14 are fixedly connected to the first rotary shaft 24 or with each other, but rotatably on the rotary shaft 24, are fixedly connected. However, it may also be thought to attach the rotor 44 rotatably to a first rotational portion of a friction clutch, not shown, and the pulley 14 rotatably attached to a second rotational portion of the friction clutch, not shown, so that when the rotation of the rotor 44 is blocked, not shown Friction clutch cushioning a stop operation of the pulley 14, whereby the case of a security to be secured is cushioned.
  • the rotor 44 preferably has at least one recess 50 for weight reduction. 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) is guided for retaining the at least one clamping element 46.
  • the elastic element is an elastic band, wherein a guidance 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 may be formed 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 a plurality, preferably two clamping elements 46 are provided, it is also alternatively possible to form an elastic element as a spring arrangement for retaining at least two clamping elements 46, which preferably couples the two clamping elements 46 together.
  • the at least one clamping element 46 is preferably by the spring arrangement or the elastic element in the direction of the rotor 44th 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 has a cylindrical shape.
  • the coupling element 48 is preferably arranged movably in the housing 4.
  • the coupling element 48 is annular.
  • the coupling element 48 has an inner surface on which the at least one clamping element 46 can couple in interaction with the rotor 44, so that the rotor 44 is not rotatable relative to the coupling element 48 in at least one direction of rotation of the rotor 44, ie with the 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, this is thought of a toothing.
  • the inner surface of the coupling element 48 has a toothing, in which the interdental spaces are formed as subsections of a round, preferably cylindrical, opening wall.
  • the coupling element 48 is rotatably mounted with respect to the pulley 40, in particular rotatable on the first rotary shaft 24.
  • the coupling element 48 is preferably in turn provided with at least one recess 60 for weight reduction.
  • the coupling element 48 is provided on its outer circumference with at least one stop element 62, preferably with a plurality of stop elements 62, which is preferably formed as a projection.
  • the stop member 62 has a first contact surface 64r and a second contact surface 64l, see FIG. 1 c.
  • the stop member 62 has a cam portion 66.
  • the Stop element 62 interacts with control element 40 in a preferred embodiment.
  • the control element 40 is preferably rotatably arranged on the housing 4.
  • first portion 68 to which a belayer can directly or indirectly engage to move it and a second portion 70 which is adapted to cooperate with the stop member 62.
  • the second portion 70 in a particularly preferred embodiment has a left stop surface 72l and a right stop surface 72r, a left 741 and a right 74r delimiting projection, and an intermediate cam guide surface 76.
  • the cable receiving element 12 designed, for example, as a cable pulley 14 can move freely in a freewheeling state.
  • the direction-independent braking effect of the brake device 6 on the cable 16 is independent of the presence of the freewheeling state, for example, this is achieved by the pulley 14 is formed separately from the brake device 6.
  • the housing 4 or a part of the housing 4 may be formed as a base member, opposite which the pulley 14 can rotate.
  • the belay device 2 In order to couple the belay device to an external securing point, for example a climbing harness or a band loop, the belay device 2, preferably the housing 4, has a coupling point, preferably in the form of an opening 78.
  • the housing 4 has a first half 80h and a second half 80v, wherein in particular the control element 40 is 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 rotary shaft 24 is preferably stationary, in particular also rotationally fixed, formed 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 such that the axis of rotation of the pulley 14 defined by the rotation shaft 24 can not move with respect to the first half 80h of the housing 4.
  • the first half 80h of the housing 4 may also be considered alone as a base member.
  • 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 annular element 26 and the opening 78.
  • the closure member 30 may be integrally formed with the second half 80v of the housing 4.
  • the second half 80v of the housing 4 may have a recess 82 which, depending on the position of the second half 80v of the housing 4 relative to the first half 80h of the housing 4, may release the opening 78.
  • the brake device 6 designed as a ring-like element 26 is arranged substantially stationary during securing with the belay device 2 with respect to the opening 78.
  • the rocking movement of the brake device 6, which occurs upon rotation of the control element 40 about the second rotation shaft 86, is small and hardly affects the arrangement of the brake device 6 with respect to the opening 78.
  • the recess 82 may be configured to insert the cable 16 into the pulley 14.
  • a cable loop is inserted into the belay device 2 by the ring-like element 26 is hinged on the hinge 38 in the direction of K1, the cable loop is placed around the pulley 14 and the ring-like element 26 is then again on the hinge 38 in the in FIG. 1 a position shown folded back towards K2. Furthermore, it may be thought to form one of the half rollers 42v, 42h smaller than the other half roller 42h, 42v, so that an insertion of the cable loop of the cable 16 is simplified.
  • the recess 82 is disposed in the second half 80v of the housing 4 such that when the opening 78 is exposed through the recess 82, the closure member 30 integrally formed on the second half 82v of the housing 4 seals the gap 28 covers.
  • a carabiner, belt loop, or rope may be inserted into the opening 78 for coupling to an external securing point only when the gap 28 is covered by the closure member 30, so that the rope 16 once it is passed around the pulley 14, no longer accidentally slip out of the backup device 2 to the side.
  • first rotary shaft 24 together with the annular element 26 and the two halves 80v and 80h of the housing 4 form a substantially continuous structure, so that the cable loop of the cable 16, even if it pops out of the cable receiving groove 22, is prevented by this structure from entering the interior of the ring-like member 26, whereby a slip-out of the cable loop is prevented from the belay device 2.
  • the belay device 2 is symmetrical with respect to the use of the two cable ends 84a, 84b as a load end and a securing end.
  • a load end is meant a portion of the rope which lies between the belay device 2 and the climber.
  • the load end is the rope section which can be loaded by the weight of the solo climber or the self descender.
  • 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 is a misuse of the belay device 2, for example, by integrating the climber in a wrong end of the rope, prevented.
  • the belaying cable 16 can enter by pulling away from the belay device 2 at the load end of the cable 16 without pressing the securing end of the cable 16 against one of the friction surfaces 32l, 32r.
  • the pulley 14 then rotates along with the rotor 44 within the housing 4 due to the friction of the cable 16 on the projection structure 18. Since the speed of the rotor 44 is low, the centrifugal force due to the rotation is not great enough to release the at least one clamping element 46 from engagement 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 of 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 on the coupling element 48 can by 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 are set to 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 backward direction whose amount is smaller than the limit speed belong to a safety range of the speed. Likewise, all accelerations in the forward and reverse directions, the amount of which is smaller than the limit acceleration, 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 at a predetermined acceleration, this can be achieved by the movement of the at least one clamping element 46, for example by a guide groove, on a movement in the Essentially only one radial component is restricted.
  • the centrifugal clutch thus detects when a movement parameter, for example the speed or the acceleration, is outside a predetermined parameter range and couples in this case the rotor 44, and thus also the pulley 14, to the coupling element 48.
  • This coupling can make a transition to the blocking state , Preferably from the freewheeling state, in which the cable receiving element 12 can move freely cause.
  • a safety case is thus present when a movement parameter of the movement of the cable receiving element 12, here the cable pulley 14, outside of a predetermined, the movement parameter associated safety area.
  • a fuse case is detected by the centrifugal clutch and is not limited to the detection of a motion parameter, but a fuse case is detected in particular when the speed and / or acceleration of the pulley 14 is outside the respectively assigned predetermined safety range of the respective motion parameter.
  • the rotational speed of the pulley and the acceleration of the rotational movement of the pulley can be detected using electronic components.
  • Such electronic Components are preferably coupled to an electronic processing device such that when a motion parameter of the movement of the pulley from a motion parameter set is outside a predetermined safety range of the motion parameter associated with the respective motion parameter, the electronic processing means a correspondingly configured blocking device blocks movement of the pulley. This can be carried out, for example, by an electrically operable brake of the pulley.
  • FIG. 3a is shown when engaging a force in the direction W on the pulley 14 of the blocking state, wherein a rotational movement in the direction W of the pulley 14 is blocked.
  • This is preferably done via a power transmission from the pulley 14 to the centrifugal clutch 10, further to the control element 40 and further to the housing 4.
  • a blocked cable receiving element 12 prevents movement of a rope 16 received thereon.
  • the locked state there is a coupling of the rotor 44 on the coupling element 48 by means of the at least one clamping element 46 before.
  • the force applied to the pulley 14 by the cable force is transmitted to the rotor 44.
  • the rotor 44 transmits this force via the at least one clamping element 46 to the coupling element 48 on. This in turn
  • This force is transmitted to the control element 40 via 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 locked in this state.
  • a blocking of the movement of the coupling element 48 in the present exemplary embodiment should only be mentioned if a force which acts on the cable pulley 14 causes the contact surface 64l to bear against the stop surface 72r.
  • the movement of the cam portion 66 along the cam guide surface causes the right limiting projection 74r to approach the outer circumference of the coupling element 48 as soon as the coupling element 48 has executed at most a first predetermined movement section.
  • the length of the first predetermined moving section when a stopper member 62 is provided, is limited by 360 °; If there are a plurality of stop elements 62, the length of the first predetermined movement section is determined by Angular arrangement of the stop elements 62 determined.
  • the coupling element 48 is coupled due to the present coupling of the rotor 44 to the coupling element 48 to the movement of the pulley 14, so that the movement of the cam portion 66 along the cam guide surface 76 causes an approximation of the right boundary projection 74r to the outer periphery of the coupling element, once the pulley 12th has executed at most the first predetermined movement section.
  • the belay device 2 assumes the position as shown in FIG. 3a is shown. This happens at the latest after the coupling element 48, and due to the present coupling also the pulley 14, has passed through a second predetermined movement section whose length is smaller than 360 ° or if several stop elements 62 are present, determined by the angular arrangement of the stop elements 62.
  • the movement of the pulley 14 is in the presence of a fuse before the blocking state is taken by the movement of the coupling element 48 is limited, thus, in the presence of the fuse case, the pulley 14 rotate so far until a stop element 62 performs a rotational movement, which is less than 720 ° is in the presence of a plurality of stop elements 62 in the presence of the fuse case, the pulley 14 to rotate until an angular range is exceeded, which is smaller than twice the maximum intermediate angle ⁇ between two stop elements 62nd
  • the rotor 44 can be coupled back to the coupling element 48 in the detection of a fuse case, so that the case FIG. 3a or FIG. 3b Depending on the direction of rotation is present and blocking the movement of the pulley 14 may be present at the latest after passage of the predetermined movement section, in particular an angular interval.
  • the movement of the pulley 14 is thus in the presence of a security case limited to the predetermined movement portion, which is smaller than the combination of the first and second predetermined movement portion. This is ensured by the interaction of the stop element with the control.
  • the provision of a cam portion 66 on the stop member 62 and a cam guide surface 76 on the control member 40 guarantees that the control member 40 the locking position at the latest after passing through the first predetermined movement portion of the coupling element 48, and thus the pulley 14 in the presence of the coupling of the rotor 44 at the coupling element 48 via the at least one clamping element 46, occupies.
  • the control 40 acts like a latch with the stop element 62: the control element 40 is made of the in FIG. 3a rotated position shown counterclockwise, so that can in FIG. 3a in abutment with the stop surface 72r lying stop member 62 rotate together with the coupling element 48 in the counterclockwise direction.
  • the blocking device thus comprises a latch mechanism. The rotation of the coupling element 48 stops at the latest at the stop of the following stop element 62, since the control, due to the interaction of the cam portion 66 of the stop element with the cam guide surface 76, has again assumed its blocking position.
  • a blockage of the pulley 12 in the locked state, as in FIG. 3a can also be solved by pulling on a fuse end of the cable 16 away from the belay device 2 in direction F, causing a load change at the fuse end of the cable.
  • a rotation of the control element 40 in the direction K3 which is in the blocking position, about the second rotary shaft 86 due to a lever effect of an attacking by the cable 16 on the annular element 26 force causes.
  • the coupling element 48 is rotated clockwise.
  • the function of the belay device 2 has been described with respect to the direction of rotation W of the pulley 14. Due to the symmetrical construction of the belay device 2, the function of the belay device 2 in the direction of rotation opposite to the direction of rotation W corresponds to the function of the belay 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 belay device 102.
  • the first portion 168 of the control element has a separate from the braking device 106 operating portion 192.
  • the actuating portion 192 is adapted to be actuated by a belayer to move the control.
  • the brake device 106 is formed as a ring-like element 126 having a slot 128 through which a cable loop can be inserted into the interior of the annular element 126.
  • a first end of the rope 184a protrudes upward from the annular member 126, while the second end 184b of the user is passed around the pulley 114 and then inserted through the slot 128 into the interior of the annular member 126.
  • One of the half rollers 142v may have a radially oriented recess 194 so that the second cable end 184b may be inserted into the cable receiving groove.
  • a closure element 130 which is preferably displaceably mounted relative to the housing 104.
  • the closure member 130 is preferably configured to close the slot 128.
  • the closure member 130 is configured to divide the interior of the ring-like member 126 into two substantially closed eyelets, each of which passes through the first cable end 184a or the second cable end 184b.
  • the braking device 106 is arranged stationary with respect to a coupling point designed as an opening 178.
  • FIGS. 5 to 7 which is characterized in that at least one stop element 262 is disposed directly on at least one clamping element 246, whereby in the third embodiment of the present invention, the clamping element 246 contiguous, preferably in one piece, with a coupling element is trained.
  • the clamping element 246 may be both a clamping element and a coupling element in the sense of or some claims.
  • FIG. 7 the non-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 includes a ring-like member 226, a brake device 206, a rope receiving member 212 formed as a pulley 214, and a base member 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 capable of decelerating a rope, not shown, independently of the direction of movement of the rope.
  • Each of the friction surfaces 232r, 232l may be analogous to one of the friction surfaces 32r, 32l of the first embodiment.
  • the stop element 262 has a first contact surface 264r, a second contact surface 264l and a cam portion 266.
  • the ring-like element 226 may comprise two sub-elements 226l, 226r, which in a preferred embodiment are rotatably mounted on a common rotational shaft 286 on the base element 204.
  • One of the partial elements 226 r of the annular element 226 is formed integrally with a control element 240, wherein the partial element 226 r may comprise elements of the braking device 206.
  • the control member 240 includes, in a preferred embodiment, a cam guide surface 276, stop surfaces 272l, 272r, and restricting projections 274l, 274r.
  • the pulley 214 may include a first half roll 242v and a second half roll 242h.
  • a surface element 296 of the second half roller 242h at least one receiving groove 298, more 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 may be a rotor in the sense of or some claims.
  • the surface element 296 may be integrally formed with the second half roller 242h, but it is also possible that the surface element 296 is manufactured separately and 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 rotatably connected to each other.
  • the belay device 202 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 adapted to the configuration of an associated receiving groove 298.
  • 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 peripheral region 298out, which preferably extends along a circular section about an axis of rotation 224 of the surface element 296.
  • the outer peripheral region 298out is preferably bounded in each rotational direction by a blocking region 298rb, 298lb. Between the blocking regions 298b, 298lb, a support arrangement 302 may be provided on the side of the receiving groove 298 opposite the outer peripheral region 298out.
  • the support assembly 302 preferably includes a left pin seat 2981s and a right pin seat 298rs.
  • the portion of the support assembly 302 between the left 298ls pinsitz and the right 298rs pinsitz comprises a left 298lf and a right 298lf guide surface.
  • the at least one receiving groove 298 has a mirror-symmetrical structure, wherein the mirror plane passes through the rotation axis 224.
  • the clamping element 246 is biased 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 together.
  • 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 belay device 202.
  • the braking device 206, in particular the friction surfaces 232r, 2321, is / are separate from elements of the centrifugal clutch and / or the blocking device 208, in particular spaced and / or separately formed by movable elements of the centrifugal clutch and preferably stationary with respect to a formed as a through hole coupling point 278.
  • 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 supports the rotation axis 224 or a shaft defining the rotation axis 224 such that the rotation axis 224 is stationary with respect to the base element 204.
  • This can be achieved in particular by virtue of the fact that the shaft defining the axis of rotation 224 is stationary and / or rotationally fixed relative to the base element 204.
  • Under a rotationally fixed relative to a base member formed shaft is a shaft to understand, which can not rotate with respect to the base member.
  • the shaft defining the axis of rotation 224 preferably supports the pulley 214 rotatably.
  • the axis of rotation 224 or the shaft defining the axis of rotation 224 is arranged stationarily with respect to the base element 204.
  • the blocking device 208 is in a freewheeling state in which it allows the movement of the pulley 214.
  • the pin 300r slides along the right guide surface 298rf toward the outer periphery of the surface element 296.
  • the coupling element 246 moves substantially opposite 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 assisted by an interaction of the at least one stop element 262 with the control element 240.
  • the inertial force drives the pin 300r to the outer peripheral region 298out (possibly assisted by the interaction of the at least one stop element 262 with the control element 242), so that there is substantially a state in which both Pins 300l, 300r abut the outer peripheral portion 298out and the pin 300r in a radial direction above the flattening 306 is located.
  • a centrifugal force drives the at least one clamp member 246 toward the outer periphery of the planar member 296 until both the pins 300l, 300r at the outer peripheral portion 298out of the receiving groove 298 attacks.
  • This centrifugal force counteracts the force exerted by the spring arrangement force, so that both pins 3001, 300r abut only at the outer peripheral portion 298out of the receiving groove 298 when the rotational speed of the pulley 214 exceeds a limit speed, and thus outside of the rotational speed (as a movement parameter of the pulley) assigned predetermined safety range of the rotational speed is (whereby a fuse case is present).
  • the pin 300l is moved in the blocking portion 298lb, so that there is substantially a state in which both the pins 300l, 300r abut on the outer peripheral portion 298out and the pin 300r in a radial direction above the Flattening 306 is located.
  • the process of abutting the first contact surface 264r (an interaction) with the stop surface 272l may be as in FIG Fig. 7 indicated position of the pins 300l, 300r with respect to the blocking region 298lb and the Ensure flattening 306.
  • the at least one clamping element (coupling element) 246 is blocked in its movement. If the blocking of the pulley 214 or of the surface element 296 is released, the blocking of the movement of the at least one clamping element (coupling element) 246 is also released. If the limiting projection 274l moves toward the surface element 296 so far that the contact surface 264r abuts against the stop surface 272l, then the control element 240 moves into its blocking position as soon as the contact surface 264r abuts the stop surface 272l and the blocking device 208 then enters the blocking position Blocking position passes.
  • a blocking state of the blocking device 208 is present.
  • the blocking state becomes at the latest during the movement of the second stop element in the area influenced by the control element 240 is taken, so that the blocking device assumes the blocking state regardless of an operation of the control element 240 before the cable receiving member 114 has passed through a predetermined movement section.
  • the movement of the clamping member 246 with respect to the base member 204 is disabled since the control member 240 preferably establishes a force connection between the clamping member 246 and the base member 204 in the blocking condition via the shaft 286.
  • the blocking state occurs after a security case has occurred.
  • the function of the blocking device in the third embodiment can be interpreted such that the control element 240 has the function of a pawl, and accordingly the blocking device comprises a pawl mechanism.
  • the sub-element 226r of the ring-like element 226 is rotated in the direction of the arrow Z about the second axis 286 (opened), whereby a shutter 308 between the right portion 226r and the left portion 226l is opened.
  • a shutter 310 is opened on the other side between the left 226l and right 226r part of the ring-like member 226.
  • the backup device 202 may be in a ready for backup state and the brake device 206 is preferably disposed substantially stationary to the coupling point 278.
  • the axle 286 prevents the cable loop from sliding out of the interior of the ring-like element 226, which has jumped out of the cable pulley 214.
  • An inserted rope can set the pulley 214 in motion.
  • a reduction in force in the force transmission chain from the blocking portion 298lb to the pin 300l is achieved by the at least one clamping member 246, its stop member 262, and limiting projection 274l such that the clamping member 246 is moved by the spring assembly 304 such that the pins 300l, 300r slide back into the respective Pinsitze 298ls, 298rs, whereby the power transmission chain interrupted, the blocking state is released and the blocking device goes into the freewheeling state.
  • the precise abutment surfaces and optional support of pin 300r on flattening 306 have been omitted to increase readability.
  • the already used reference numerals are used in the following also in this embodiment, not shown) may be provided on the base member 204 opposite side of the pulley 2014, a housing portion.
  • the shaft 224 is preferably arranged rotationally fixed to the housing portion and rotatably supported in the base member 204.
  • the two sub-elements 226l, 226r (first and second subelements) of the ring-like member 226 are rotatably supported on respective one of the first and second rotation shafts respectively replacing the rotation shaft 286, and the subelement 226l may be thought of rotatably supporting the first rotation shaft on the base member 204 and the split member 226r rotatably on the housing portion via the second rotation shaft.
  • the axes of rotation defined by the shaft 224 and the second rotary shaft are fixed relative to each other via the housing portion.
  • the base member and the housing portion can be rotated against each other, whereby the first rotational shaft is displaced from the second rotational shaft and the ring-like member 226 unfolded becomes.
  • the ring-like element 226 can be unfolded by displacing and / or twisting the first partial element 226l and the second partial element 226r relative to one another.
  • a rope can be inserted particularly easily, in particular through an opening in the ring-like element 226, which results from the opening of the closure 308 or 310 or through the openings in the ring-like element 226 which the opening of the shutters 308 or 310 arise.
  • the base member 204 may be considered a be considered further housing section and the housing section described above may be considered in the context of this application as a base element.
  • FIGS. 8a to 8e which is characterized in that the centrifugal clutch and the latch mechanism of the belay device 402 comprises two sections, wherein the first portion of the centrifugal clutch, a coupling of elements, which leads to a blockage of the pulley, when an acceleration or a speed of a pulley in a first direction of rotation of the pulley (present a safety case) causes and causes no blocking of the pulley leading coupling of elements when the pulley has a second direction of rotation opposite to the second direction of rotation, even if there is a backup case upon rotation of the pulley in the second direction ; and the second portion of the centrifugal clutch causes a coupling of elements, which leads to a blockage of the pulley, when an acceleration or a speed of the pulley in the other direction of rotation of the pulley is exceeded (there is a safety case) and no leading to a blockage of the pull
  • Fig. 8a shows a belay device 402, the structure of which is similar to that of the belay device 202, but differs in the centrifugal clutch and the control. Corresponding parts of the belay device 202 are provided with the same reference numerals in the belay device 402. To the operation of the backup device 402 is to emphasize the representation of a housing or a base element in the FIGS. 8a to 8e has been dispensed with.
  • centrifugal clutch and the control element will be discussed, wherein the other elements and functions of the belay device 402 may correspond to those of the belay device 202. Modifications of elements of the belay device 202 of the third embodiment will be discussed separately.
  • Fig. 8a shows a first portion of a centrifugal clutch of the belay device 402.
  • the first section centrifugal clutch of the belay device 402, a locking recess 404 and at least one of a shaft 406 rotatably mounted flyweight 408, which is provided with a switching tooth 410 include.
  • the centrifugal weight 408 can be connected via an elastic element, for example a spring 412 (for clarity only in FIG Fig. 8a indicated) to be biased to a rest position. In the rest position is a free-wheeling condition and the pulley 214 can rotate.
  • the rest position can be defined by a concern of the centrifugal weight 408 on a contact portion 413, which is formed for example as a bolt or a survey.
  • the locking recess 404 and the shaft 406 are each arranged stationary with respect to the cable pulley 214 (the cable receiving element).
  • a blocking device of the belay device 402 includes the centrifugal clutch and pulley 214 as a cable receiving member.
  • the pulley 214 is rotatably mounted on a shaft 224.
  • the first section of the centrifugal clutch preferably has a control element 416 which can be rotatably mounted on the ring-like element 226 on a shaft 414.
  • the control element 416 is preferably in an in Fig. 8a shown biased position, for example by a spring (not shown).
  • the control 416 may be a latch 418 and / or a Control stop surface 420 and / or a cam guide surface 422 and / or a Umschaltiereanschalg Structure 424 have.
  • the annular member 226 may be modified to include a control stop abutment surface 426.
  • the ring-like element 226 is preferably pivotally mounted on the shaft 414. Accordingly, the blocking device may thus comprise a latch mechanism.
  • the second section of the centrifugal clutch is on the in Fig. 8a not shown back of the pulley 214 and is with respect to a plane through the centers of the shaft 414 and the shaft 224, which are mounted relative to each other stationary, preferably mirror-symmetrical to the first portion of the centrifugal clutch constructed to the same functionality (in reverse directions of rotation of the components) at have a W opposite direction of rotation of the pulley 214.
  • the centrifugal force drives the flyweight 408 against the force of the spring 412, preferably by means of a rotation about the shaft 406, in particular in the direction S, into an active position.
  • a Fig. 8b is shown.
  • the inertial force drives the centrifugal weight 408 against the force of the spring 412, preferably through a rotation about the shaft 406, in particular in the direction S, into an in Fig. 8b illustrated active position.
  • the flyweight 408 is applied to a stop element 434, whereby further rotation of the flyweight 408 in the direction S is prevented.
  • the stop member 434 is fixed relative to, and preferably contiguous with, the pulley 214 is formed.
  • centrifugal weight 408 If the centrifugal weight 408 is in the active position, there is a safety case. If the centrifugal weight 408 is in the active position and the pulley 214 continues to rotate in the direction W, then the Switching tooth 410 on the switching tooth surface 424 ( Fig. 8c ), which causes rotation of the control member 416 about the shaft 414 in the direction P, whereby the pawl 418 engages in the locking recess 404.
  • an edge 428 of the locking recess 404 is inclined in the direction W relative to a radial direction of the cable pulley 214, so that upon engagement of the latch 418 in the locking recess 404 a state is reached in which the rotation (movement) of the cable pulley 214 is securely blocked, so that there is a locked condition whereby the rotation of the pulley 214 is blocked (stopped) and the rope movement is stopped.
  • One flank 430 of the pawl 418 is inclined (as viewed in engagement with the blocking recess 404), preferably opposite to the direction W, and in particular complementary to the flank 428 of the blocking recess 404.
  • control abutment surface 420 engages the control abutment mating surface 426, causing rotation of the annular element 226 in the direction P.
  • the flyweight 408 may return to the rest position (FIG. Fig. 8d ).
  • the bias of the control member 416 toward its passive position or rotation of the pulley 214 opposite the direction W may be sufficient to engage the pawl 418 into the locking recess 404, as in Fig. 8e shown. If the engagement of the pawl 418 is released into the locking recess 404, the free-running state is again present.
  • the pulling at the end of the fuse or the reduction / release of the voltage at the end of the fuse can be understood as load changes.
  • the switching tooth 410 strikes the cam guide surface 422 during the course of the rotation.
  • the abutting on the cam guide surface 422 surface of the switching tooth 410 is preferably formed such as inclined or rounded in the direction W, so that the stop of the Umschalttechniks 410 on the cam guide surface 422 a movement of the flyweight 408 from the active position out, preferably a rotation about the shaft 406th opposite to the direction S, whereby the switching tooth 410 can slide under the control element 416 opposite to the direction W.
  • this opposite to the direction of rotation of the pulley 214 W has the same functionality as the first section of the Centrifugal clutch for the direction of rotation W.
  • the movement of the pulley 214 regardless of a direction of rotation and thus the direction of movement of the guided rope, blocked, whereupon movement of the rope is blocked.
  • the movement of the pulley 214 since an interaction of the Umschalttechniks 410 with the Umschalttechnikanschalg Structure 424 preferably moves the pawl 418 directly into the locking recess 404, in the presence of a security case thus at the latest after rotation of the pulley 214 is stopped by 360 °, since then at the latest Blocking device has taken the blocking state.
  • the first portion of the centrifugal clutch and the second portion of the centrifugal clutch are preferably functionally independent of each other.
  • control which is herein by the control preferably the entire one-piece connected to the control material portion of the one (first or second) portion of the centrifugal clutch is missing or defective, the function of the other section the centrifugal clutch remains untouched.
  • the same can apply to the locking recess and / or the centrifugal weight of a portion of the centrifugal clutch, again in particular under the Flyweight is preferably meant the entire one-piece connected to the flyweight material portion.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pulmonology (AREA)
  • Emergency Lowering Means (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
EP16166359.6A 2015-04-22 2016-04-21 Appareil de sécurité Active EP3093050B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20175467.8A EP3721950B1 (fr) 2015-04-22 2016-04-21 Appareil de sécurité
EP20175459.5A EP3725383B1 (fr) 2015-04-22 2016-04-21 Appareil de sécurité

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015207363.7A DE102015207363A1 (de) 2015-04-22 2015-04-22 Sicherungsgerät

Related Child Applications (2)

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EP20175467.8A Division EP3721950B1 (fr) 2015-04-22 2016-04-21 Appareil de sécurité
EP20175459.5A Division EP3725383B1 (fr) 2015-04-22 2016-04-21 Appareil de sécurité

Publications (3)

Publication Number Publication Date
EP3093050A2 true EP3093050A2 (fr) 2016-11-16
EP3093050A3 EP3093050A3 (fr) 2017-03-22
EP3093050B1 EP3093050B1 (fr) 2020-06-17

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WO2022036814A1 (fr) * 2020-08-18 2022-02-24 中际联合（北京）科技股份有限公司 Appareil de verrouillage de câble
DE102021102673A1 (de) 2021-02-04 2022-08-04 Edelrid Gmbh & Co. Kg Tragbares Seilsicherungsgerät für die Partnersicherung beim Klettern

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JP5860001B2 (ja) * 2013-04-18 2016-02-16 藤井電工株式会社 ランヤードとそのランヤードを備えた安全帯
US10583315B2 (en) * 2015-04-07 2020-03-10 Harken, Incorporated High load descender with adaptive release linkage
CA2982124C (fr) * 2015-04-07 2023-04-25 Harken, Incorporated Descendeur de charge elevee avec liaison de liberation adaptative
US11660475B2 (en) 2015-04-07 2023-05-30 Harken, Incorporated High load descender with adaptive release linkage
US9968804B2 (en) * 2016-01-14 2018-05-15 Reliance Industries, Llc Nozzle for retractable fall arrest
CN109107057B (zh) * 2018-10-23 2023-08-29 应急管理部上海消防研究所 一种具有自适应性的绳索横渡装置
USD939938S1 (en) * 2019-11-01 2022-01-04 Honeywell International Inc. Fall protection sleeve
US11833376B2 (en) 2019-11-01 2023-12-05 Honeywell International Inc. Horizontal lifeline shuttle apparatus
CN111135488A (zh) * 2020-01-21 2020-05-12 珠海索奇电子科技有限公司 一种高楼火灾救生装置的刹车系统
US11141621B2 (en) * 2020-03-02 2021-10-12 T2 Fitness Products, Inc. Combined friction resistance and elastic resistance exercise device
US12115395B2 (en) 2021-06-21 2024-10-15 William Burke Controlled descender and/or ascender device
FR3125971A1 (fr) 2021-08-03 2023-02-10 Zedel Dispositif d’assurage et procédé d’utilisation
WO2024118200A1 (fr) * 2022-11-30 2024-06-06 William Burke Dispositif de descente et/ou de montée commandé

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Publication number Priority date Publication date Assignee Title
WO2022036814A1 (fr) * 2020-08-18 2022-02-24 中际联合（北京）科技股份有限公司 Appareil de verrouillage de câble
DE102021102673A1 (de) 2021-02-04 2022-08-04 Edelrid Gmbh & Co. Kg Tragbares Seilsicherungsgerät für die Partnersicherung beim Klettern

Also Published As

Publication number Publication date
EP3725383A1 (fr) 2020-10-21
US20160310767A1 (en) 2016-10-27
EP3725383C0 (fr) 2024-07-03
EP3725383B1 (fr) 2024-07-03
EP3093050A3 (fr) 2017-03-22
EP3093050B1 (fr) 2020-06-17
EP3721950B1 (fr) 2021-06-23
DE102015207363A1 (de) 2016-10-27
EP3721950A1 (fr) 2020-10-14

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