EP3263183A1 - Sicherheitsvorrichtung zur steuerung des abstiegs während des kletterns - Google Patents

Sicherheitsvorrichtung zur steuerung des abstiegs während des kletterns Download PDF

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Publication number
EP3263183A1
EP3263183A1 EP16425065.6A EP16425065A EP3263183A1 EP 3263183 A1 EP3263183 A1 EP 3263183A1 EP 16425065 A EP16425065 A EP 16425065A EP 3263183 A1 EP3263183 A1 EP 3263183A1
Authority
EP
European Patent Office
Prior art keywords
pulley
pin
control
rope
frame
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
EP16425065.6A
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English (en)
French (fr)
Other versions
EP3263183B1 (de
Inventor
Christophe Billon
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.)
Kong SpA
Original Assignee
Kong SpA
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Filing date
Publication date
Application filed by Kong SpA filed Critical Kong SpA
Priority to ES16425065T priority Critical patent/ES2842724T3/es
Priority to EP16425065.6A priority patent/EP3263183B1/de
Publication of EP3263183A1 publication Critical patent/EP3263183A1/de
Application granted granted Critical
Publication of EP3263183B1 publication Critical patent/EP3263183B1/de
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

Definitions

  • the present invention relates to a safety device for the control of the descent, preferably but not exclusively during the activities of sports climbing.
  • These devices are basically made up of an external covering or casing and a mechanism of control of the rope wherefrom the user of the device, i.e. the climber, is hanging.
  • Said control mechanism comprises, usually, two or three pulleys around which a rope passes, at one end whereof the climber is suspended.
  • the end of the rope wherefrom the climber is hanging will henceforth be referred to as first end.
  • the other end of the rope, henceforth referred to as second end is instead controlled by a person or, alternatively, is connected to a system, attached to the ground, which controls the sliding of said rope.
  • control force F c which opposes the weight force F a exerted in the same direction but in an opposite way by the climber.
  • the devices of the prior art provide therefore a control mechanism comprising a set of two or more pulleys, around which the rope is to be passed.
  • the purpose of these pulleys or, more generally, of the control mechanisms, is that of facilitating the operations of braking of the descent of the climber, said braking operations being however always performed by a person who exerts the control force F c .
  • These devices also have a system of blocking of the rope which means that the descent of the climber can be interrupted in the case wherein the person who controls the second end of the rope loses control of the same.
  • the sliding of the rope and, therefore, the descent of the climber are controlled by the resultant of the force exerted by the spring and of the force exerted by the rope on the control pulley which, in turn, depends on the control force F c .
  • the expansion of the spring entails the rotation of the arm which connects the braking/blocking pulley with the control pulley.
  • the rotation of the arm in turn means that the braking/blocking pulley is pushed towards the command pulley so as to brake the sliding of the rope on the latter. Therefore according to the control force F c the rope is varyingly braked and the descent of the climber varyingly slowed down.
  • the control mechanism of the device described in FR2951952A1 comprises a control pulley, a command pulley and a braking/blocking pulley.
  • the device which is the object of the application FR2951952A1 comprises, moreover, a pivoting element, and a support element connected to a spring, whose degree of compression can be regulated by means of a bolt and a screw.
  • the control pulley is placed between the support element and the pivoting element and two contrasting forces act thereon, one directed upwards, exerted by the spring, and a force directed downwards, exerted by the rope on the control pulley.
  • the latter force depends, obviously, on the control force F c exerted on the second end of the rope by the person assigned with control of the latter or on the system attached to the ground whereto said second end is connected.
  • the rope is varyingly braked and the descent of the climber varyingly slowed down.
  • the object of the present invention is, therefore, that of providing a safety device for the control of the descent, preferably during the climbing activities, which does not need any person or attachment system controlling the second end of the rope, said second end being the end of the rope other than the end wherefrom the climber is suspended.
  • a second object of the present invention is, moreover, that of providing a safety device for the control of the descent during the activities of climbing with a reduced number of components, thus diminishing the structural complexity of the assembly of the entire device and making maintenance of the same simpler.
  • a safety device for the control of the descent during the activities of climbing comprising a casing or frame containing the mechanism of control of the descent of the rope.
  • Said control mechanism comprises in turn:
  • the two command pulleys are positioned at the same height, while the control pulley is positioned below the other two, so as to form a triangle.
  • the frame which contains in its interior the control mechanism is, moreover, provided with at least one vertical guide or groove.
  • the pin of the control pulley, and therefore the pulley itself, can translate vertically in said at least one groove.
  • the frame can also be provided with a further two horizontal guides or grooves, inside whereof the pins of the command pulleys can translate.
  • the control pulley is connected to a braking system made up of a spring, a screw and a bolt.
  • the braking system is made up of a spring, screw and bolt, which generates a force directed downwards, said force being applied to the control pulley. Therefore a potential load hanging from the first end of the rope pulls the control pulley upwards while the force exerted by the braking system tends to pull this pulley downwards.
  • the braking effect on the descent of the load i.e. on the descent of the climber who is hanging from the first end of the rope, depends on the resultant of the weight force exerted by the load and of the force exerted by the braking system. In order to guarantee a safe descent of the climber the application of any force to the second end of the rope is not therefore necessary, so that there is no need for a person who controls this first end.
  • the safety device (1) for the control of the descent during the activities of climbing comprises:
  • Said control mechanism (3, 3', 4, 5, 6, 7) comprises:
  • Said braking system (5, 6, 7) is connected to the pin (14) of the third pulley (4) and comprises in turn a spring (5), a bolt (6) and a screw (7).
  • the first pulley (3) and the second pulley (3') are to be denoted henceforth, respectively, by the expressions "first command pulley (3)” and “second command pulley (3')” and the third pulley (4) to be denoted, henceforth, also by the expression "control pulley (4)".
  • the two command pulleys (3, 3') are positioned at the same height, while the control pulley (4) is positioned below said command pulleys (3, 3') so as to form a triangle at whose vertices said pulleys (3, 3', 4) are positioned. Said triangle is preferably isosceles.
  • the braking system (5, 6, 7) is placed below the control pulley (4).
  • Said casing or frame (2) comprises:
  • Both faces (9, 9') of the frame (2) are provided with a vertical groove (13) inside of which the pin (14) of the control pulley (4) can translate, so that the same control pulley (4) translates.
  • Both faces (9, 9') of the frame (2) are moreover provided with a first horizontal groove (18) and with a second horizontal groove (19), inside of which the pin (16) of the first command pulley (3) and the pin (16') of the second command pulley (3') can translate, respectively.
  • the frame (2) comprises, moreover, a slot (17) for the attachment to the climbing wall by means of a snap hook.
  • said frame (2) comprises, moreover, two spacer elements (15, 15'), preferably cylindrical in shape, placed between said front face (9) and said rear face (9'), said spacer elements (15, 15') being positioned below said command pulleys (3, 3'). More particularly said frame (2) is to comprise a first spacer element (15) positioned below the first pulley (3) and a second spacer element (15') positioned below the second pulley (3').
  • the device of the present invention is, obviously, used together with a rope (12) which passes inside the frame (2) so as to cover at least partially the perimeters of said pulleys. More particularly, considering the direction of the distance which goes from the first end of the rope (12) to the second end of the rope (12), said rope (12) passes, in succession:
  • the rope (12), before passing above the first pulley (3), will pass to the right of the first spacer element (15) and, after having been passed below said third pulley (4) and, then, above said second pulley (3') will pass to the left of the second spacer element (15').
  • Said spacer elements (15, 15') have, therefore, also a function of containment of the rope (12) inside the frame (2).
  • the functioning of the control mechanism (3, 3', 4, 5, 6, 7) of the rope (12) is the following: supposing that the frictions are overlooked, three forces act in vertical direction on the control pulley (4), a first force F A directed upwards, a second force F A1 directed upwards and a third force F E directed downwards.
  • the first force and the second force F A and F A1 are both of the same intensity and are exerted by the rope (12), while the third force F E is the force of return of the spring (5).
  • the first force and the second force F A and F A1 depend in turn on the weight force Fw exerted by the load W, i.e. by the climber, hanging from the second end of the rope (12).
  • the force F E exerted by the spring (5) tends to drag downwards the control pulley (4), while the weight force F w tends to drag the control pulley (4) upwards.
  • the device (1) described above is completely symmetrical from both the structural and the functional viewpoint. In fact the functioning of the device (1) is the same whether the climber uses the first end of the rope or the second one. Independently of which end of the rope wherefrom the climber is hanging there will not be a need for any person who controls the other end so that the descent of the climber takes place safely.
  • control mechanism and braking system described above Thanks, in fact, to the particular control mechanism and braking system described above, it is not necessary to apply any force to the first end of the rope, i.e. there is no longer the need for a person who controls this first end.
  • the control mechanism and the braking system described above are, moreover, made up of a few components, giving rise, in this way, to a device of high structural simplicity.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)
EP16425065.6A 2016-06-27 2016-06-27 Sicherheitsvorrichtung zur steuerung des abstiegs während des kletterns Active EP3263183B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES16425065T ES2842724T3 (es) 2016-06-27 2016-06-27 Dispositivo de seguridad para el control del descenso durante la escalada
EP16425065.6A EP3263183B1 (de) 2016-06-27 2016-06-27 Sicherheitsvorrichtung zur steuerung des abstiegs während des kletterns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16425065.6A EP3263183B1 (de) 2016-06-27 2016-06-27 Sicherheitsvorrichtung zur steuerung des abstiegs während des kletterns

Publications (2)

Publication Number Publication Date
EP3263183A1 true EP3263183A1 (de) 2018-01-03
EP3263183B1 EP3263183B1 (de) 2020-10-21

Family

ID=56686746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16425065.6A Active EP3263183B1 (de) 2016-06-27 2016-06-27 Sicherheitsvorrichtung zur steuerung des abstiegs während des kletterns

Country Status (2)

Country Link
EP (1) EP3263183B1 (de)
ES (1) ES2842724T3 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR858570A (fr) * 1939-08-02 1940-11-28 Appareil de sauvetage
FR2804421A1 (fr) * 2000-01-28 2001-08-03 Jean Pierre Michel Verrier Bloqueur-debloqueur a regulation de freinage commande a distance par un bout unique
FR2951952A1 (fr) * 2009-11-04 2011-05-06 Marcel Jose Peltier Dispositif de securite pour grimpeur
US20140299411A1 (en) * 2009-01-06 2014-10-09 Jeffrey Kent ALDRED Descent device with automatic and manual control

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR858570A (fr) * 1939-08-02 1940-11-28 Appareil de sauvetage
FR2804421A1 (fr) * 2000-01-28 2001-08-03 Jean Pierre Michel Verrier Bloqueur-debloqueur a regulation de freinage commande a distance par un bout unique
US20140299411A1 (en) * 2009-01-06 2014-10-09 Jeffrey Kent ALDRED Descent device with automatic and manual control
FR2951952A1 (fr) * 2009-11-04 2011-05-06 Marcel Jose Peltier Dispositif de securite pour grimpeur

Also Published As

Publication number Publication date
ES2842724T3 (es) 2021-07-14
EP3263183B1 (de) 2020-10-21

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