EP2811104B1 - Veränderbares leitersystem mit niveauausgleich - Google Patents

Veränderbares leitersystem mit niveauausgleich Download PDF

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Publication number
EP2811104B1
EP2811104B1 EP14170813.1A EP14170813A EP2811104B1 EP 2811104 B1 EP2811104 B1 EP 2811104B1 EP 14170813 A EP14170813 A EP 14170813A EP 2811104 B1 EP2811104 B1 EP 2811104B1
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EP
European Patent Office
Prior art keywords
ladder
plane
ladder plane
articulation device
stud
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EP14170813.1A
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English (en)
French (fr)
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EP2811104A1 (de
Inventor
Eric Sta
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Tubesca Comabi SAS
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Tubesca Comabi SAS
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/32—Ladders with a strut which is formed as a ladder and can be secured in line with the ladder
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/14—Ladders capable of standing by themselves
    • E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
    • E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/50—Joints or other connecting parts

Definitions

  • the invention relates to a transformable ladder system with level adjustment.
  • Convertible ladder systems have been known for a long time and comprise a first ladder plane with uprights and rungs, a second ladder plane with uprights and rungs, and at least one hinge device between these two planes.
  • the convertible ladder system can be changed from an open state in which the ladder planes are angled at the hinge device to a closed state in which the ladder planes are folded over each other , and vice versa.
  • a transformable ladder system with leveling is a transformable ladder system arranged so that one of the ladder planes can be moved upwards, from the open state, in a direction parallel or substantially parallel to the longitudinal direction of this ladder plane when said system is in the open state, then be blocked at the desired height, in particular by installing in a housing integral with the other ladder plane a rung of this plane d scale, corresponding to the desired height.
  • the applicant markets convertible ladders with level adjustment for which the articulation device is of the type shown in the figure 1 .
  • This hinge device is mounted on an upright of the first ladder plane. For example, during the manufacture of this convertible ladder, this upright is inserted into a part forming a slide 10 of the hinge device 1, along the arrow F1.
  • An upright on the other of the ladder planes includes a stud near its upper end.
  • this amount is received in the hinge device 1 by sliding the pin on the ramp 12 along the arrow F2.
  • the dowel then comes into an oblong hole 13.
  • the ladder plane can be tilted, resting against a hinge part 20, and the pin is then driven in movement as far as one end 14 of this oblong hole 13.
  • this second ladder plane is moved so that the pin is brought into an exit zone 15 of the oblong hole 13.
  • the second ladder plane can thus be raised slightly and folded against the first. scale plan.
  • the hinge device is arranged so that the second ladder plane can be driven in upward movement, from the open state, in a direction parallel or substantially parallel to the longitudinal direction of said second ladder plane when said system is in the open state. More specifically, the pin is taken out of zone 14, brought to zone 15, then raised along ramp 12. A gripper part 17 makes it possible to receive a rung to block the second ladder plane in a catch-up position level. The rung is chosen according to the desired position.
  • the user can also uninstall the second ladder plane by passing the stud from an exit zone 15 to a ramp 16. The stud is then guided along this ramp 16 and up to until the upright is completely out of the hinge device 1.
  • a transformable ladder system with level adjustment comprising a first ladder plane comprising uprights and at least two rungs, a second ladder plane comprising uprights and rungs, and at least one articulation device between these two planes, this articulation device being designed to be mounted on an upright of the first ladder plane, and to receive an upright of the second ladder plane.
  • the hinge device is further arranged so that the transformable ladder system can pass from an open state in which the planes ladder form a non-zero angle, in a closed state in which the ladder planes are parallel or substantially parallel to each other.
  • This angle can be greater than 10° and less than 80°, for example between 20° and 50°.
  • the system is arranged so that the second ladder plane is driveable in movement upwards, from the open state, in a direction parallel or substantially parallel to the longitudinal direction of the second ladder plane when the system is at rest. open state.
  • One of the hinge device and this upright of the second ladder plane comprises a stud, and the other of this hinge device and this upright comprises a wall along which the stud is driveable in movement towards ( and advantageously up to) a first location corresponding to the open state.
  • the transformable ladder system is arranged so that the stud can be driven in motion, relative to the rest of the system or relative to the terrestrial reference, to a second location corresponding to the closed state.
  • the system may comprise a part forming a housing, integral with the first ladder plane (for example fixed to or in one piece with the hinge device), to receive a rung from the second ladder plane when this second plane of ladder has been pulled up from the open state.
  • the hinge device can define a housing for receiving a rung of the second ladder plane when this second ladder plane has been driven upwards from the open state.
  • the hinge device and the upright of the second ladder plane are shaped so that, when this second ladder plane rests on this hinge device and is pivoted to pass the ladder system convertible from the closed state to the open state, the stud is or comes to rest against the wall and this wall guides the stud continuously towards the first location only.
  • the user drives the stud in motion elsewhere than on the expected path between the first location and the second location, he will perceive the absence of continuous guidance and will thus be more able to reposition the stud than in the prior art, in which the user can keep the sensation of guiding the dowel, while the dowel is for example on an exit ramp.
  • the hinge device can for example be devoid of an exit ramp accessible from the second location, and possibly simply be devoid of an exit ramp.
  • the articulation device may be similar to that of the figure 1 , except that the passage between the oblong hole 13 and the exit ramp 16 is closed off by an additional wall, or even the device may be devoid of this exit ramp.
  • the dowel is necessarily driven to the first location. The dowel no longer runs the risk of being on an exit ramp since this does not exist or its access is blocked by a rigid wall.
  • the invention is however not limited to systems without a borrowable exit ramp.
  • signaling elements could be provided to indicate to the user that the pin is located outside the expected path between the second location and the first location, for example tabs, metal brushes or not, arranged at the entrance of the exit ramp: thus the user can guide the dowel, from the second location, along the same wall, up to this exit ramp, but in doing so, he will perceive a resistance when the dowel arrives at the level tabs.
  • this second wall could have a portion in the shape of an inverted U, the base of the U being located higher than the second location: if the user wishes to pass from the closed state to the open state and that the second plane ladder rests on the hinge device, the pin will not be able to cross the obstacle represented by this inverted U and will therefore necessarily be led to the first location.
  • the second ladder plane can be brought upwards, from the open position, and in a direction parallel or substantially parallel to the direction of this ladder plane in the open position.
  • the hinge device can be arranged to support upward movement, in a direction parallel or substantially parallel to a longitudinal direction of the second ladder plane when the system is in the open state.
  • the user can offset the second scale plane upwards, in order to arrive at a state in which the scale is level offset.
  • This level offset state can for example be implemented when the ground is not flat, for example to place the second ladder plane on a step.
  • substantially parallel is meant both a movement in a direction forming a small angle with the longitudinal direction, for example less than 10%, advantageously less than 5%, and the combination of a wide movement (over a length at least equal half the distance between two rungs) along this direction forming a small or zero angle with the longitudinal direction with very short displacements following other directions, in particular to disengage the second ladder plane from the position corresponding to the open state,
  • the second ladder plane can be blocked at a desired height by installing the rung of this ladder plane corresponding to this height in the housing part.
  • This housing part can for example have the shape of a clamp.
  • the system may include an installation ramp, shaped so that if the ladder plane rests on the hinge device, gravity drives the stud to the first location and/or the second location, or not.
  • the user first moves the dowel, bearing against the wall from the first location, then the wall is interrupted and the dowel is driven in movement without being supported against a wall.
  • We can for example provide other means of guiding the amount to bring the entire amount so that the pin reaches the second location.
  • the pin is out of the guide path defined by the wall.
  • the pin When the user wishes to open the ladder system to make it pass from the closed state to the open state, the pin necessarily bears against the wall, then is guided to the first location.
  • the wall may extend to the second location, so that when the user pivots the second ladder plane to move the stud from the second location to the first location, the stud is already resting against the wall and is immediately guided to the first location.
  • the invention is thus not limited by a lack of guidance to arrive at the second location.
  • the risk of the stud being pulled out of the groove is minimal.
  • the system can be arranged so that the stud of the upright (or more generally the end of the upright if the stud is mounted on the hinge device) can come out of the hinge device, for example downwards, view, for example, of a dissociation of the upright from the rest of the hinge device, and/or upwards, with a view, for example, to the adoption of one or more additional states.
  • the convertible ladder system can be arranged so that the upright of the second ladder plane is removable, that is to say that the user can dissociate this upright from the rest of the hinge device, or not.
  • the convertible ladder system can be arranged so that the second ladder plane is driveable in movement, from the closed state, in a direction parallel or substantially parallel to the longitudinal direction of said second ladder plane when said system is in the closed state.
  • the hinge device can advantageously be arranged to support upward movement, in a direction parallel or substantially parallel to a longitudinal direction of the first ladder plane, the pin being driven in movement from the second location.
  • the user can move the second upright upwards, thus making it possible to obtain an extended ladder system of greater length.
  • the upright of the second ladder plane which comprises a pin
  • the articulation device which defines a path along which this pin can be guided, to the first location .
  • the upright it would be entirely possible for the upright to define a path, for example of the groove, open wall, or other type, and for the hinge device to comprise a stud, capable of cooperating with this path.
  • the hinge device may comprise a blocking element defining an upper surface against which part of the upright of the second ladder plane comes into abutment, from below, when the ladder system is in an open state, to prevent upward movement of the second ladder plane.
  • a blocking element defining an upper surface against which part of the upright of the second ladder plane comes into abutment, from below, when the ladder system is in an open state, to prevent upward movement of the second ladder plane.
  • this second plan ladder is placed on the ground, it tends to slide upwards relative to the hinge device.
  • the upright to include a second stud, and for the hinge device to define an upper surface arranged so that in the open state, this second stud comes into abutment against this upper surface.
  • the hinge device may comprise a U-shaped part forming a housing to receive the stop element when the pin is brought to the first location.
  • the convertible ladder system can be shaped so that the part of the upright which comes into abutment against the blocking element is arranged on the internal side of the convertible ladder system, i.e. that is to say arranged between the two uprights of the narrowest ladder plane.
  • the user can easily realize that the amount is not positioned correctly, if necessary.
  • this second stud can be arranged on the inside of the ladder device, so that the user can easily notice the absence of this second stud.
  • the blocking element can for example comprise the part forming a housing. In other words, it is the same element which receives the abutment element to block the ladder system in the open state and which receives a rung from the second ladder plane to block the ladder system in a position of remedial level corresponding to this level.
  • the upright of the second ladder plane cooperating with the hinge device can thus comprise a pin, intended to bear against a wall of the hinge device, for the continuous guide to the corresponding location in the open state, and an abutment element, intended to come into abutment under the upper surface of a blocking element, to block the ladder system in the open state.
  • this blocking element can advantageously make it possible to receive a rung from the second ladder plane.
  • the hinge device and the upright of the second ladder plane can be shaped so that the guide path of the pin along at least part of the wall is open upwards.
  • the user can easily visualize the pin during the movement bringing this pin to the first location. The user can thus be aware that the positioning of the upright of the second ladder plane is carried out correctly.
  • a hinge device for a convertible ladder system of the type described above, this hinge device being intended to be mounted on an upright of a ladder plane and to receive an upright of the other ladder plane, this amount including a dowel.
  • the hinge device is arranged so that the transformable ladder system can pass from an open state in which the ladder planes form a non-zero angle, to a closed state in which the ladder planes are parallel or substantially parallel to each other.
  • the hinge device is arranged so that one of the ladder planes can be driven in upward movement, from the open state, in a direction parallel or substantially parallel to the longitudinal direction of this ladder plane when the system is in the open state.
  • the hinge device may comprise a housing part, to receive a rung of the other ladder plane when this ladder plane has thus been driven upwards from the open state.
  • the blocking device can define a housing to receive a rung of the second ladder plane when this second ladder plane has been driven upwards from the open state.
  • the hinge device comprises a wall along which the pin is driveable in movement to a first location corresponding to the open state.
  • the hinge device is arranged so that the pin can be driven in movement to a second location corresponding to the closed state.
  • the hinge device is shaped so that, when this second ladder plane rests on this hinge device and is pivoted to cause the convertible ladder system to pass from the closed state to the open state, the stud is/comes to bear against the wall and this wall guides the stud continuously towards the first location only.
  • This hinge device may or may not be in one piece.
  • a transformable ladder system 100 includes a first ladder plane 101, and a second ladder plane 102 for pivoting relative to each other.
  • the ladder system 100 comprises two articulation devices 103, 103', each of these articulation devices being mounted on a respective upright 111, 111' of the first ladder plane 101.
  • these articulation devices 103, 103' receive uprights 112, 112' of the second ladder plane 102.
  • the uprights 111 and 111' are slid along respective slide-forming parts 110, 110' of the hinge devices 103, 103', following the arrows F3 on the picture 3 .
  • post 112 includes a stud 120 and an additional stud, or stopper, 130.
  • the articulation device 103 can comprise a frame, for example molded, on which is installed a cover, made of plastic 140.
  • This plastic part 140 can make it possible to reconcile the aesthetic aspect of the articulation device 103, and lightness, since this part 140 may be less dense than the cast iron reinforcement.
  • the hinge device 103 defines a wall 150 shaped to support the stud 120.
  • the wall 150 can thus have a thickness close to that of the stud 120.
  • the stud 120 can thus be guided, in support along this wall 50, until at a first location 151, corresponding to an open state of the convertible ladder system 100.
  • the wall 150 further defines a bulge 250.
  • Transverse walls 212, 213, 214 are erected relative to the wall 150, so that all of these walls 150, 212, 213, 214 form a groove open upwards and towards the inside of the ladder system 100.
  • the user can thus easily visualize the stud 120, and in addition, the wall 150 being thus open upwards, the second ladder plane 102 can be driven in movement upwards without guiding the stud via a ramp.
  • the articulation device 103 is thus relatively simple to manufacture and relatively light.
  • the articulation device 103 comprises a blocking part 170 defining an upper surface 171, against which the second pin 130 comes into abutment from below, which blocks any movement in the direction F4.
  • the locking device 103 defines a housing 172 for this stop 130.
  • This housing 172 formed in a gripper part, can also be used to receive a rung 191 of the second ladder plane 102 when the system 100 is in a level offset state.
  • the pin 120 therefore cooperates with the walls 150, 212, 213, 214 to bring the second ladder plane into the open position, and it is the abutment element 130, separate from the pin, which provides locking.
  • Stud 120 is guided along wall 150 to a second location 152 corresponding to the closed state.
  • the wall 150 forms an elbow, so that the pin 120 remains in abutment against this wall even when the convertible ladder system 100 is in the closed state.
  • the stud 120 is not located at a crossroads between several guide walls, as in the prior art, so that the pin will not be continuously guided to a location other than that corresponding to the open state.
  • the stop 130 would be located outside the housing 172. But in this case, the user will go immediately take into account the bad positioning of the scale plane, since the stop 130 will not be at the expected location 172.
  • the articulation device 103 is open on its upper part, that is to say the guide path 153 is open.
  • the user is able to slide the second ladder plane 102 upward relative to the first ladder plane.
  • the ladder system can thus be in an extended configuration, which gives it a greater length.
  • Hook elements 180', 180, mounted on the lowest rung 181 of the second ladder plane 102, can come to rest on one of the uprights 182, of the first ladder plane 101, so that when the first ladder planes thus slide against each other from the closed state, the second ladder plane 102 comes to rest, via these hooks 180, 180' against this upright 182 of the first ladder plane 101 .
  • the stop 130 may in particular have a cross-section with a diameter close to or equal to the diameter of the cross-section of the rungs 181.
  • a stop member 190 mounted on a rung 191, of the second ladder plane 102, is provided to limit the travel of this second ladder plane 102 relative to the first ladder plane when this second plane scale is driven upwards.
  • these stops 190 come to meet the articulation devices 103, 103', so that the ladder plane 102 does not can be moved beyond this maximum stroke.
  • the user cannot dissociate the second scale plane from the first scale plane.
  • the user can open or close the transformable ladder system as he wishes, and, when this ladder system is in the closed state or in the open state, cause the ladder planes to slide relative to one another. to the other, but it is not possible for him to separate the second ladder plane 102 from the rest of the system 100. If the user tends to pull down the second ladder plane 102, the pin 120, in abutment against the wall 150, would oppose this movement.
  • upward movement is meant a displacement along a vector such that the scalar product of this vector and the gravity vector is strictly negative, and this under ideal conditions of use, that is that is to say the system being posed on a ground supposed flat and normal to the vector gravity.
  • the system can be used with a different orientation, for example the system can be placed on uneven ground, transported, etc.

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  • Ladders (AREA)

Claims (10)

  1. Veränderbares Leitersystem mit Niveauausgleich (100), umfassend eine erste Leiterebene (101), umfassend Holme (111, 111') und mindestens zwei Sprossen (182), eine zweite Leiterebene (102), umfassend Holme (112, 112') und Sprossen (181), und mindestens eine Gelenkvorrichtung (103, 103') zwischen der ersten Leiterebene (101) und der zweiten Leiterebene (102), wobei das veränderbare Leitersystem (100) zwischen einem Zustand, bezeichnet als offen, in dem die erste Leiterebene (101) und die zweite Leiterebene (102) einen Winkel von nicht null bilden, und einem Zustand, bezeichnet als geschlossen, in dem die erste Leiterebene (101) und die zweite Leiterebene (102) parallel oder im Wesentlichen parallel zueinander sind, beweglich ist,
    wobei die Gelenkvorrichtung (103, 103') auf einem der Holme (111, 111') der ersten Leiterebene (101) montiert ist und einen der Holme (112, 112') der zweiten Leiterebene (102) empfängt,
    wobei die Gelenkvorrichtung (103, 103') eine Öffnung zum Durchgang der zweiten Leiterebene (102) durch die obere Seite der Gelenkvorrichtung (103, 103') aus dem Zustand, bezeichnet als offen, gemäß einer Richtung, die parallel oder im Wesentlichen parallel zu einer Längsrichtung der zweiten Leiterebene (102) ist, umfasst, wenn sich das System (100) im Zustand, bezeichnet als offen, befindet, und wobei die Gelenkvorrichtung (103, 103') eine Verriegelungsaufnahme (170) einer Sprosse (181) der zweiten Leiterebene (102) umfasst, wenn die zweite Leiterebene (102) nach oben in die Richtung aus dem Zustand, bezeichnet als offen versetzt wird,
    wobei das eine von der Gelenkvorrichtung (103, 103') und dem Holm (112, 112') der zweiten Leiterebene (102), empfangen von der Gelenkvorrichtung (103, 103'), einen Stiftbolzen (120) umfasst, und das andere von der Gelenkvorrichtung (103, 103') und dem Holm (112, 112'), eine Wand (150) zur Führung des Stiftbolzens (120) hin zu einer ersten Position (151) dieser Wand (150) umfasst, wenn der Stiftbolzen (120) an der ersten Position (151) der Wand (150) positioniert ist, wobei sich das Leitersystem (100) im Zustand, bezeichnet als offen, befindet,
    wobei das veränderbare Leitersystem (100) eine zweite Position (152) zur Positionierung des Stiftbolzens (120) umfasst, wenn der Stiftbolzen (120) an der zweiten Position (152) positioniert ist, wobei sich das Leitersystem (100) im Zustand, bezeichnet als geschlossen, befindet,
    wenn der Holm (112, 112') der zweiten Leiterebene (102), empfangen von der Gelenkvorrichtung (103, 103'), auf der Gelenkvorrichtung (103, 103') ruht und geschwenkt wird, um das veränderbare Leitersystem (100) vom Zustand, bezeichnet als geschlossen, in den Zustand, bezeichnet als offen, übergehen zu lassen, ist oder kommt der Stiftbolzen (120) gegen die Wand (150) in Auflage,
    wobei das Leitersystem dadurch gekennzeichnet ist, dass die Wand (150) kontinuierlich zwischen der ersten Position (151) und der zweiten Position (152) ist.
  2. Veränderbares Leitersystem mit Niveauausgleich (100) nach Anspruch 1, dadurch gekennzeichnet, dass die Öffnung der Gelenkvorrichtung (103, 103') auch eine Öffnung zum Übergang der zweiten Leiterebene (102) nach oben aus dem Zustand, bezeichnet als geschlossen, gemäß einer Richtung, die parallel oder im Wesentlichen parallel zu der Längsrichtung der zweiten Leiterebene (102) ist, wenn sich das System (100) im Zustand, bezeichnet als geschlossen, befindet.
  3. Veränderbares Leitersystem mit Niveauausgleich (100) nach Anspruch 2, dadurch gekennzeichnet, dass die zweite Leiterebene (102) außerdem mindestens ein zweites Hakenelement (180, 180') umfasst, um auf einem Holm (182) der ersten Leiterebene (101) zu ruhen, wenn die zweite Leiterebene (102) gemäß einer Richtung versetzt ist, die parallel oder im Wesentlichen parallel zu der Längsrichtung der zweiten Leiterebene (102) ist, wenn sich das System (100) im Zustand, bezeichnet als geschlossen, befindet.
  4. Veränderbares Leitersystem mit Niveauausgleich (100) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die zweite Leiterebene (102) außerdem mindestens ein Anschlagorgan (190) gegen die Gelenkvorrichtung (103, 103') umfasst, um den Weg der zweiten Leiterebene (102) zu begrenzen, wenn die zweite Leiterebene (102) nach oben in Bewegung versetzt wird.
  5. Veränderbares Leitersystem mit Niveauausgleich (100) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass
    die Gelenkvorrichtung (103, 103') eine obere Oberfläche (171) definiert, gegen die ein Teil des Holms (112, 112') der zweiten Leiterebene (102), empfangen von der Gelenkvorrichtung (103, 103'), durch die Unterseite in Anschlag kommt, wenn sich das veränderbare Leitersystem (100) im Zustand, bezeichnet als offen, befindet,
    der Teil des Holms (102) ein Anschlagelement (130) umfasst, das verschieden vom Stiftbolzen (120) ist.
  6. Veränderbares Leitersystem mit Niveauausgleich (100) nach Anspruch 5, dadurch gekennzeichnet, dass die Aufnahme (170) die obere Oberfläche (171) definiert, gegen die das Anschlagelement (130) in Anschlag kommt, wenn sich das veränderbare Leitersystem (100) im Zustand, bezeichnet als offen, befindet.
  7. Veränderbares Leitersystem mit Niveauausgleich (100) nach einem der Ansprüche 5 bis 6, dadurch gekennzeichnet, dass das Anschlagelement (130) zwischen den Holmen (111, 111'; 112, 112') der engsten Leiterebene (101, 102) angeordnet ist.
  8. Veränderbares Leitersystem mit Niveauausgleich (100) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Gelenkvorrichtung (103, 103') die Wand (150) umfasst und der Holm (112, 112'), empfangen von der Gelenkvorrichtung (103, 103'), den Stiftbolzen (120) umfasst.
  9. Leitersystem mit Niveauausgleich (100) nach Anspruch 8, dadurch gekennzeichnet, dass die Wand (150) mit Querwänden (212, 213, 214) der Gelenkvorrichtung (103, 103') eine Nut bildet, die nach oben auf mindestens einem Teil ihrer Länge offen ist.
  10. Veränderungsverfahren mit Niveauausgleich eines Leitersystems (100), wobei die Leiter (100) eine erste Leiterebene (101) umfasst, umfassend Holme (111, 111') und mindestens zwei Sprossen (182), eine zweite Leiterebene (102), umfassend Holme (112, 112') und Sprossen (181), und mindestens eine Gelenkvorrichtung (103, 103'), die auf einem der Holme (111, 111') der ersten Leiterebene (101) montiert ist und einen der Holme (112, 112') der zweiten Leiterebene (102) empfängt,
    wobei das Verfahren eine Öffnung des Leitersystems (100) aus einem Zustand, bezeichnet als geschlossen, umfasst, in dem die erste Leiterebene (101) und die zweite Leiterebene (102) parallel oder im Wesentlichen parallel zueinander sind, in einen Zustand, bezeichnet als offen, in dem die erste Leiterebene (101) und die zweite Leiterebene (102) einen Winkel von nicht null bilden,
    wobei das Verfahren einen Übergang von der zweiten Leiterebene (102) durch die obere Seite der Gelenkvorrichtung (103, 103') aus dem Zustand, bezeichnet als offen, gemäß einer Richtung umfasst, die parallel oder im Wesentlichen parallel zu einer Längsrichtung der zweiten Leiterebene (102) ist, wenn sich das System (100) im Zustand, bezeichnet als offen, befindet und das Verfahren, in der Folge des Übergangs, eine Verriegelung einer Sprosse (181) der zweiten Leiterebene (102) in einer Aufnahme (170) der Gelenkvorrichtung (103, 103') umfasst,
    wobei das Verfahren eine Führung eines Stiftbolzens (120) durch eine Wand (150) hin zu einer ersten Position (151) dieser Wand (150) umfasst, wobei eines von der Gelenkvorrichtung (103, 103') und dem Holm (112, 112') der zweiten Leiterebene (102), empfangen von der Gelenkvorrichtung (103, 103'), einen Stiftbolzen (120) umfasst, und das andere von der Gelenkvorrichtung (103, 103') und dem Holm (112, 112') die Führungswand (150) umfasst, wenn der Stiftbolzen (120) an der ersten Position (151) der Wand (150) positioniert ist, wobei sich das Leitersystem (100) im Zustand, bezeichnet als offen, befindet,
    wobei das Verfahren eine Positionierung des Stiftbolzens (120) in eine zweiten Position (152) umfasst, wenn der Stiftbolzen (120) an der zweiten Position (152) positioniert ist, wobei sich das Leitersystem (100) im Zustand, bezeichnet als geschlossen, befindet,
    wenn der Holm (112, 112') der zweiten Leiterebene (102), empfangen von der Gelenkvorrichtung (103, 103'), auf der Gelenkvorrichtung (103, 103') ruht und geschwenkt wird, um das veränderbare Leitersystem (100) aus dem Zustand, bezeichnet als geschlossen, in den Zustand, bezeichnet als offen, übergehen zu lassen, ist oder kommt der Stiftbolzen (120) gegen die Wand (150) in Auflage,
    wobei das Verfahren zur Änderung dadurch gekennzeichnet ist, dass die Öffnung des Leitersystems (100) eine kontinuierliche Auflage des Stiftbolzens (120) gegen die Wand (150) aus der zweiten Position (152) in die erste Position (151) umfasst.
EP14170813.1A 2013-06-04 2014-06-02 Veränderbares leitersystem mit niveauausgleich Active EP2811104B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1355112A FR3006362B1 (fr) 2013-06-04 2013-06-04 Systeme d'echelle transformable

Publications (2)

Publication Number Publication Date
EP2811104A1 EP2811104A1 (de) 2014-12-10
EP2811104B1 true EP2811104B1 (de) 2022-10-12

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EP (1) EP2811104B1 (de)
ES (1) ES2935194T3 (de)
FR (1) FR3006362B1 (de)
PT (1) PT2811104T (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2028175B1 (en) * 2021-05-07 2022-11-24 Altrex Bv Multi-piece ladder bracket

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU35549A1 (de) *
FR326566A (fr) 1902-11-21 1903-05-30 Boudry Jules Appareil pour l'embouteillage du lait dans le vide
FR416967A (fr) * 1910-05-11 1910-11-03 A Peron Et Cie Soc Échelle double transformable en échelle à coulisses
FR14324E (fr) * 1911-01-31 1911-11-17 Hippolyte Nicolas Échelle à coulisse
FR426161A (fr) * 1911-02-17 1911-06-29 J Aumaitre Et Mathe Soc Dispositif permettant l'emploi d'une échelle à coulisse comme échelle double
US1549696A (en) * 1924-02-18 1925-08-11 George D Wernli Combination ladder
US1837187A (en) * 1929-06-24 1931-12-22 Percy H Allen Convertible ladder
US2919762A (en) * 1957-11-19 1960-01-05 Bell Telephone Labor Inc Combination step and extension ladder
DE2407317A1 (de) * 1974-02-15 1975-08-28 Hymer Leichtmetallbau Beschlag fuer eine steh- und steckleiter
FR2326566A1 (fr) * 1975-10-03 1977-04-29 Gubri Sa Ets L Echelle demontable utilisable en echelle double ou en echelle coulissante
US4027741A (en) * 1976-07-15 1977-06-07 Shakespeare Company Locking hinge mechanism for a stepladder
FR2898381B1 (fr) * 2006-03-10 2009-10-02 Macc Sa Tetes d'articulations pour echelles transformables

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Publication number Publication date
EP2811104A1 (de) 2014-12-10
FR3006362B1 (fr) 2017-08-25
FR3006362A1 (fr) 2014-12-05
ES2935194T3 (es) 2023-03-02
PT2811104T (pt) 2022-12-21

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