EP3341554B1 - Ladder top securing system - Google Patents
Ladder top securing system Download PDFInfo
- Publication number
- EP3341554B1 EP3341554B1 EP16730384.1A EP16730384A EP3341554B1 EP 3341554 B1 EP3341554 B1 EP 3341554B1 EP 16730384 A EP16730384 A EP 16730384A EP 3341554 B1 EP3341554 B1 EP 3341554B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ladder
- securing system
- locking
- gutter
- top securing
- 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.)
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Links
- 238000003780 insertion Methods 0.000 claims description 96
- 230000037431 insertion Effects 0.000 claims description 96
- 238000006073 displacement reaction Methods 0.000 claims description 56
- 238000000034 method Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 description 5
- 230000009194 climbing Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
- E06C7/486—Supports specially adapted to support a ladder on a gutter
Definitions
- the invention relates to a ladder head safety device for securing a ladder with rungs and bars on a gutter.
- the securing element has a securing bracket which rests against a gutter, wall covering, window sill or the like when the stepladder is leaning against it.
- the securing bracket is arranged so that it can pivot relative to the rung ladder, with the securing element being fastened to a rung of the rung ladder.
- the angle of attack of the ladder cannot be freely selected with this safety element. It is fixed before setting up by connecting the safety element with a rung. The predetermined position of the securing element on the ladder determines the ladder angle at which the securing element can be leaned against a gutter.
- the first step is to lay the ladder at the prescribed angle.
- the user is forced to turn the ladder and attach the safety element to the rung he has remembered.
- BE 1010158 A6 discloses a safety system for maintaining a position of a ladder.
- This safety system can be attached to a gutter between two clamp latches, while it can be attached to a ladder by clamping the safety system between two rungs.
- the DE 10 2008 022 678 A1 discloses a ladder head safety device which is intended for attachment to two rungs of a ladder.
- a boom that can be displaced in the longitudinal direction of the ladder is proposed, which is provided at its upper end with a device for engaging in a roof gutter.
- a safety device in particular a ladder head safety device for securing a ladder to a gutter, in which the ladder head safety device can be arranged on the ladder in a simple manner after a ladder has been erected at a specific angle.
- the ladder head safety device for securing a ladder to a gutter has the following features individually and/or in combination, with the invention, however, being defined by the subsequent patent claims.
- the ladder head safety device is used to secure a ladder against falling or tipping over by ensuring that the ladder is held securely on a gutter.
- the ladder head safety device is used to secure a ladder against falling or tipping over by ensuring that the ladder is held securely on a gutter.
- a ladder head safety device is preferably an assembly that can be arranged on any ladder.
- the most suitable rung for holding the ladder can be selected for fastening the ladder head safety device.
- the ladder head safety device can preferably be fastened to different rungs.
- the ladder head safety device is preferably designed to be removable from the ladder. This allows the ladder head safety device to be dismantled after, for example, a work process on the roof. This also allows for multiple use of the ladder head safety device on one or different ladders, as well as easy maintenance of the ladder head safety device.
- the ladder head protection can be permanently connected to the ladder.
- it can be firmly connected to a single rung, in particular directly or indirectly via at least one element arranged between the ladder and the ladder head safety device.
- a ladder fastening device of the ladder head safety device can be attached to precisely one rung or to a single rung of a ladder. In this way, the ladder head safety can be connected to a ladder quickly and easily.
- the ladder head safety device has an insertion device for insertion into the water-carrying area of a gutter.
- the ladder head safety device can thus be held securely on a gutter, for example, with the aid of the insertion device.
- "insert” means that the insertion device is inserted into the gutter from above.
- the insertion device can be adjusted relative to the ladder rung to which the ladder head safety device is fastened, preferably in the direction of the gutter and/or the rails of the ladder and/or in the direction of gravity. This changes the relative height of the insertion device in relation to the rung of the ladder to which the ladder head safety device is attached.
- the ladder head safety device includes an actuating device that connects the ladder fastening device to the insertion device.
- the insertion device can thus support the ladder fastening device fastened to a rung on, for example, a roof gutter of a house via the adjusting device.
- a secure hold of a ladder is possible with the help of the ladder head safety device.
- the adjusting device includes a displacement guide for a relative displacement of the insertion device with respect to the conductor attachment device.
- a displacement guide for a relative displacement of the insertion device with respect to the conductor attachment device.
- the insertion device can preferably be displaced relative to the ladder fastening device by means of the adjusting device and preferably also rotated. In this way, the insertion device can be optimally positioned, in particular within a gutter.
- the insertion device In contrast to the first state, in which the insertion device can be displaced in relation to the ladder fastening device, the insertion device is locked in a second, locked state in relation to the ladder fastening device.
- the ladder can be prevented from tipping sideways and slipping when the insertion device is inserted into the gutter. Nevertheless, it is possible to lift the ladder and thus move it by lifting it up and moving it laterally in a gutter.
- the ladder can therefore be used with the ladder head safety device at different points in the gutter and thus at different points on the roof.
- a system of the insertion device on the inner wall of the gutter is relieved or eliminated, so that the ladder with the ladder head safety device can be moved relative to the gutter.
- the insertion device remains fixed to the ladder in the same relative position during work on one side of a roof.
- the term “displaceable” is understood to mean a translational movement that can run in a straight line, but this does not necessarily have to be the case.
- the adjusting device can be displaced along a theoretical displacement axis, along which the translatory movement takes place.
- the distance or distance between the insertion device and a holding device with which the ladder head safety device can be fastened to a rung can be adjusted by the displacement.
- the adjusting device is preferably arranged such that it can rotate about an axis of rotation. In this way it is possible to pivot the adjusting device in relation to the ladder fastening device.
- Both the displacement along a displacement axis and the rotation about a rotation axis are preferably stepless. This has the advantage that any angle and length can be adjusted.
- the axis of rotation is preferably aligned essentially parallel to a rung of a ladder when it is fastened to the ladder.
- the ladder attachment device can be designed in such a way that the axis of rotation is oriented similar to a rung of a ladder.
- “Substantially parallel” is understood to mean a deviation of the center line, in particular the ideally assumed center line, of the rung from the axis of rotation, the deviation from the axis of rotation being able to lie, for example, in a cylinder with a diameter of 5 cm.
- a rung and an axis of rotation are considered “substantially parallel” if the axis of rotation lies within an idealized cylinder oriented parallel to the rung and having a diameter of 5 cm.
- the ladder head safety device can be designed in such a way that the displacement axis can be rotated about the axis of rotation.
- the displacement axis is preferably oriented perpendicular to the axis of rotation.
- the axis of rotation preferably forms a surface normal for a surface in which the displacement axis is arranged.
- the insertion device can be inserted into the gutter and removed from it.
- the insertion device can perform a pivoting movement about a theoretical axis of rotation and/or a superimposed displacement movement along a theoretical displacement axis.
- the displacement movement can take place in different directions along the displacement axis rotated with the adjusting device.
- the axis of rotation preferably runs through the adjusting device.
- the axis of rotation is preferably arranged outside of the gutter when the ladder head safety device is in the state in which it is fastened to the gutter.
- the axis of displacement preferably extends into the gutter.
- the ladder head safety device preferably has a locking device for releasably locking the adjusting device.
- the locking device can lock the ladder head safety device in the second state. Consequently, the directions of movement of the actuating device can be at least restricted and preferably completely prevented with the aid of the locking device.
- the ladder fastening device In the second, locked state of the ladder head safety device, the ladder fastening device, the insertion device, the actuating device and the locking device are preferably firmly connected to one another.
- the locking device can act on the axis of rotation and at the same time on the axis of displacement, so that both the rotation and the displacement can be locked with the same process. This leads to easy handling.
- the locking device can be constructed in such a way that the displacement and the rotation can be locked individually. The rotation can then be locked before or after the translation is locked. In another variant, only one rotation or only one displacement can also be possible. These can then each be fixed by means of a locking device.
- a relative movement of the insertion device relative to the ladder fastening device in particular a relative movement of the actuating device relative to the ladder fastening device, can preferably be releasably arrested by the locking device by means of a frictional connection.
- the head-of-the-ladder safety device can restrict or prevent the movement of the insertion device or the actuating device relative to the ladder-fastening device with the aid of the locking device.
- the non-positive connection principle preferably enables a stepless adjustment of the adjustment device in the locked, second state. There are then generally no form-fitting catches or the like required.
- the adjusting device is preferably locked by clamping.
- the displacement of the insertion device along the displacement axis can preferably be arrested by means of the arresting device. Consequently, it is no longer possible to move the insertion device along an axis, but it is beneficial to rotate it.
- the rotation of the insertion device about the axis of rotation can be locked by means of the locking device.
- the rotation of the insertion device can be blocked, whereas its displacement is still possible.
- the displacement guide of the adjusting device is preferably arranged between the locking device and the ladder fastening device. This is meant in relation to a flow of forces between the ladder and the gutter and can deviate in relation to the spatial arrangement.
- the locking device is preferably arranged immovably on the ladder fastening device.
- a user of the ladder head safety device then always knows where the locking device is, which makes operation easier.
- only one of the locking mechanisms is arranged immovably on the ladder fastening device.
- the ladder head safety device comprises two locking devices for one adjusting device each. This can increase security against unintentional release of a locking device can be guaranteed.
- a single alternative locking device can also be provided for all movements and all actuating devices. This has the advantage of quick and easy operation.
- the insertion device is designed to be elongated. Due to the elongated shape, it is possible to insert the insertion device into a narrow gutter over a larger section. With the help of the elongated insertion device, a wide support surface for the ladder head safety device can also be realized within or on the base of the gutter, which increases the mechanical stability.
- the insertion device is preferably arranged on the actuating device. This configuration allows the insertion device to be displaced and/or rotated with the aid of the adjusting device.
- the insertion device is preferably suitable for being placed in the part of a roof gutter provided for water drainage and preferably for being placed at its base or at its deepest point. As a result, the mechanical stability of the ladder head safety device can be ensured when arranged on a ladder and on a gutter.
- the displacement guide of the adjusting device includes an elongated hole.
- the adjusting device is preferably formed from a flat material.
- the configuration from a flat material is simple, inexpensive and mechanically stable.
- the locking device forms part of the displacement guide, with which the actuating device can be clamped.
- the part of the locking device is inserted through a slot in the adjusting device.
- the sliding guide at least partially surrounds the actuating device from the outside.
- the adjusting device for adjusting the distance from the insertion device to the ladder fastening device is designed to be elongated. This makes it possible to adjust the ladder head safety device to the distance between a rung of a ladder and a gutter or the bottom of the gutter.
- the ladder attachment device preferably comprises a holding element. With its help, the ladder fastening device or the ladder head safety device can be securely arranged on a rung.
- the holding element is preferably designed as an open U-profile. It can also be designed as a differently shaped profile suitable for at least partially encompassing a rung.
- the ladder attachment device includes a securing device. This preferably closes the open U-profile of the holding element.
- the ladder head safety device or the ladder fastening device is fastened to a rung of a ladder in such a way that the ladder fastening device completely encompasses the rung and cannot be inadvertently released from the rung.
- the ladder attachment device has a connecting element. This element enables the holding element to be connected to the actuating device and the locking device.
- the connecting element preferably extends from the holding element in the direction in which a rung can be introduced into the opening of the profile of the holding element. In this way, the connecting element can be spaced apart from the rung, as a result of which operation of the ladder fastening device, in particular the locking device, is less cramped and thus made easier.
- the connecting element can preferably be connected or is connected to a locking device and preferably to a cross brace.
- Two receptacles are preferably provided for these connections, which make it possible to attach the locking device and the cross brace to the connection element.
- the cross brace can also be formed in one piece with one or both receptacles.
- the cross brace preferably has an eyelet for transporting the ladder head safety device.
- the ladder head safety device can be carried hanging around the shoulder to the intended fastening point on a rung, for example with a belt that is passed through the eyelet.
- the ladder head safety device comprises two adjusting devices, two locking devices and an insertion device.
- the adjusting devices are preferably spaced apart from one another.
- An insertion device is arranged at each end of the actuating devices.
- the ladder head safety device preferably comprises two spaced-apart adjusting devices which hold a single insertion device at two points, as a result of which high mechanical stability is achieved.
- the adjustment device preferably has a minimum adjustment range of at least 15 cm, preferably between 30 cm and 50 cm. With the help of this configuration, it is possible for the distance between the insertion device and the ladder fastening device to be adjustable within the scope of the minimum adjustment range.
- the minimum adjustment range corresponds to the distance between two rungs of a ladder. It can thus be ensured that a gutter or the bottom of a gutter, which is arranged between two rungs of a ladder, can be reached by the insertion device with the aid of the minimum adjustment range.
- the distance between the rung of a ladder, which protrudes over the gutter when erected, and the bottom of a gutter can be adjusted with the minimum adjustment range.
- the displacement guide of the adjusting device is preferably arranged on the connecting element.
- the displacement guide can be fastened to the first receptacle.
- This attachment is preferably effected by the locking device.
- the locking device is preferably equipped with a screw thread. The screw thread preferably runs through the sliding guide.
- the ladder fastening device can preferably be adjusted in such a way that the position of the insertion device can be shifted approximately in the direction of gravity when the ladder head safety device is fastened to a ladder. This facilitates operation because the insertion device can be inserted into the gutter in the direction of gravity.
- the head-of-ladder safety device preferably includes a safety projection which, in the intended fastening state, protrudes in the direction of the side of the ladder on which it is to be leaned against a gutter, for example.
- the safety projection When fastened, the safety projection is firmly connected to the ladder head safety device.
- the ladder head safety device is preferably fastened in such a way that the safety projection is located above the gutter when the ladder is leaning against it. So it is possible that in a case where the ladder is leaning against the gutter but slips when climbing the ladder, the safety projection gets caught on the gutter and prevents the ladder from falling completely. Since the weight of the person climbing up the ladder also presses the ladder against the gutter when climbing the ladder, a good hooking of the safety projection on the edge of the gutter is guaranteed.
- the safety projection can, for example, be a section of the ladder head safety device which is located between a locking device and a fastening device.
- the ladder head safety device when fastened, preferably extends from the rung to which it is fastened, with the connecting element in the direction of the roof gutter. At the end of the connecting element, the locking device is arranged from the ladder in the direction of the gutter.
- the locking device has in this embodiment, manually adjustable screws, by means of which a person Locking device can lock and release without tools.
- the manually adjustable screws are arranged on the side of the ladder when the ladder head safety device is in the fastened state. In this way, they are easy to reach for an operator.
- the adjusting device extends from the locking device in the direction of the gutter.
- the adjusting device can be rotated about the locking device and can be displaced along the locking device. Locking by means of the locking device prevents both rotation and displacement of the adjusting device.
- the insertion device is arranged at the end of the actuating device. When fastened to the gutter, the insertion device is arranged inside the gutter and is preferably in contact with its inner wall.
- the ladder head safety device or the ladder fastening device, the insertion device, the adjusting device and/or the locking device preferably has aluminum or an aluminum alloy.
- the design made of aluminum, in particular flat aluminum material, is simple, inexpensive, mechanically stable and easy to transport.
- a method for securing a ladder is proposed.
- the ladder is placed against a gutter at a predetermined angle.
- the ladder is climbed by one person.
- the insertion device of the ladder head protection is adjusted in such a way that the adjusting device is inserted in the area of the gutter provided for the water flow.
- the locking device is then locked so that the ladder is secured by means of the ladder head safety device.
- the ladder head safety device can be attached to the ladder before it is placed on the gutter.
- the ladder can then be engaged with the ladder head safety device.
- the ladder head protection can also offer protection against slipping away if the ladder head protection is not yet arranged in the optimal position in the gutter. If the ladder slips away, it usually slides along the gutter, so that the ladder head safety device comes to rest in the gutter. This can prevent the ladder from slipping further. A person who climbs up can thus be protected from falling.
- the ladder is preferably erected with the ladder head safety device locked. The protective effect is then significantly increased since the insertion device can transfer forces from the gutter into the ladder, which supports the ladder. However, a part of the ladder fastening device which protrudes towards the gutter can also prevent further slippage when it comes to rest on the gutter.
- the line can be secured to the ladder after a person has gotten close to the gutter by climbing the ladder.
- the ladder is leaning against the gutter and protrudes over the gutter.
- the Ladder head protection is fastened to the part that protrudes over the gutter, preferably to the first rung above the edge of the gutter on which the ladder rests.
- figure 1 shows an embodiment of a ladder head safety device 1 for securing a ladder with rungs and bars on a gutter in a three-dimensional representation.
- the ladder head safety device 1 has two ladder fastening devices 2 , an insertion device 3 , two adjusting devices 4 and two locking devices 6 as well as a cross brace 13 which includes an eyelet 15 .
- the adjusting devices 4 and the ladder fastening devices 2 are spaced apart from one another, with the insertion device 3 being arranged at one end of the adjusting devices 4 .
- Each adjusting device 4 has a displacement guide 5 for a relative displacement of the insertion device 3 with respect to the ladder fastening device 2 .
- the insertion device 3 in a first, non-locked state, can be displaced and rotated relative to the ladder fastening devices 2 by means of the actuating devices 4 .
- the present ladder head safety device 1 it is possible to move the insertion device 3 along the sliding guides 5 . In this way, the distance between the Head attachment devices 2 or the cross brace 13 to the insertion device 3 are changed.
- the ladder head safety device 1 can be optimally adjusted, for example to the distance between a rung of a ladder and the base of a gutter in which the insertion device 3 is positioned.
- the insertion device 3 is locked in relation to the ladder fastening devices 2 .
- the ladder fastening device 2 has a holding element 9 , a connecting element 10 and a holding lock 14 .
- the holding element 9 is designed similar to a U-profile, which can grip a rung of a ladder.
- the holding device 14 is arranged on the open side of the U-profile.
- the retaining lock 14 is designed as a simple linch pin or linch pin, which is passed through two holes at the open end of the U-profile. In this way, the ladder head safety device 1 or the ladder fastening device 2 can be quickly and easily attached to a rung and also removed again. Securing the linch pin ensures that it is in the correct position on the retaining element 9.
- the connecting element 10 which extends in the opposite direction to the opening direction of the opening O of the U-profile of the holding element 9, has a first receptacle 11 for the locking device 6 and a second receptacle 12 for the cross brace 13.
- the receptacle 11 for the locking device, for example it is possible for the receptacles to have a thread into which the locking device 6 engages. However, it is also possible for the receptacle 11 to be in the form of a through hole into which a screw which interacts with the locking device 6 can be inserted.
- the insertion device 3 is designed to be elongated, similar to a rod.
- the insertion device 3 is arranged or fastened at one end of the actuating device 4 .
- the Insertion device 3 can be inserted in the area of a roof gutter intended for water conduction.
- the adjusting device 4 comprises a displacement guide 5 for a relative displacement of the insertion device 3 with respect to the ladder fastening device 2.
- the adjusting device 4 connects the ladder fastening device 2 to the insertion device 3 , the insertion device 3 and the displacement guide 5 being arranged on the actuating device 4 on the first receptacle 11 of the ladder fastening device 2 .
- the displacement guide 5 of the adjusting device 4 comprises an elongated hole 8.
- the adjusting device 4 is cut out of a flat profile and also has a minimum adjustment range or an elongated hole 8 of at least 15 cm.
- the insertion device 3 can thus be displaced along the slot 8 with the aid of the slot 8 .
- the adjusting device 4 is arranged to be displaceable along a displacement axis V, which is formed by the elongated hole 8 .
- the actuating device 4 is not only displaceable along the displacement axis V, but is also arranged so as to be rotatable about an axis of rotation A.
- FIG. 1 and 4 shows how the slot 8 is arranged on the first receptacle 11 of the locking device 6 .
- rotation about the axis of rotation A is possible, with the ladder attachment devices 2 from figure 1 are arranged to one another in such a way that the axis of rotation A extends through the first receptacles 11 in each case.
- the adjusting device 4 is arranged on the ladder fastening device 2 so that it can be displaced along the displacement axis V, which is oriented perpendicular to the axis of rotation A.
- the locking device 6 which is used to releasably lock the adjusting device 4 and is connected to the ladder fastening device 2 .
- One part of the displacement guide 5 of the adjusting device 4 is arranged between the locking device 6 and the ladder fastening device 2 or the connecting element 10 and the insertion device 3 .
- a second part is formed by a screw element of the locking device 6, with the two parts of the sliding guide 5 being guided against one another.
- the locking device 6 can releasably lock a relative movement of the insertion device 3 in relation to the ladder fastening device 2, in particular a relative movement of the actuating device 4 in relation to the ladder fastening device 2, by means of a frictional connection. This results in a non-positive connection when the locking device 6 moves closer to the connecting element 10 , as a result of which the adjusting device 4 is clamped between the locking device 6 and the connecting element 10 .
- this includes a displacement guide, which is designed for clamping the actuating device 4 from the outside.
- the sliding guide at least partly or partially surrounds the actuating device 4 from the outside.
- the adjusting device 4 for adjusting the distance from the insertion device 3 to the ladder fastening device 2 is designed to be elongated.
- the locking device 6 is also in the alternative embodiment able to lock the adjusting device 4 with the help of the sliding guide and thus to adjust the distance of the insertion device 3 to the ladder fastening device 2 or to the rung of a ladder on which the ladder head safety device 1 is arranged.
- the insertion device 3 can be displaced and rotated relative to the ladder fastening device 2 by means of the adjusting device 4, with the insertion device 3 being locked relative to the ladder fastening device 2 in a second, locked state.
- the adjusting device 3 While in the first, non-locked state, the adjusting device 3 is arranged detachably from the ladder attachment device 3, in the second, locked state of the ladder head safety device 1, the ladder fastening device 2, the insertion device 3, the actuating device 4 and the locking device 6 are firmly arranged on one another.
- the arrangement shown shows that the ladder head safety device 2 can be adjusted in such a way that the position of the insertion device 3 can be displaced approximately in the direction of gravity G when the ladder head safety device 1 is fastened to the ladder.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
- Programmable Controllers (AREA)
Description
Die Erfindung betrifft eine Leiterkopfsicherung zum Sichern einer Leiter mit Sprossen und Holmen an einer Dachrinne.The invention relates to a ladder head safety device for securing a ladder with rungs and bars on a gutter.
Aus der
Jedoch ist mit diesem Sicherungselement der Anstellwinkel der Leiter nicht frei wählbar. Er wird vor dem Aufstellen festgelegt, indem das Sicherungselement mit einer Sprosse verbunden wird. Durch die vorgegebene Position des Sicherungselements an der Leiter ist der Leiterwinkel festgelegt, unter dem das Sicherungselement an einer Dachrinne angelehnt werden kann.However, the angle of attack of the ladder cannot be freely selected with this safety element. It is fixed before setting up by connecting the safety element with a rung. The predetermined position of the securing element on the ladder determines the ladder angle at which the securing element can be leaned against a gutter.
Um einen aus Sicherheitsgründen vorgeschriebenen Winkel von ca. 70 Grad zwischen der Leiter und einer Oberfläche, auf der die Leiter aufsteht, einzuhalten, muss also in einem ersten Schritt die Leiter im vorgeschriebenen Winkel angelegt werden. Hierauf ist es in einem zweiten Schritt erforderlich, dass sich ein Nutzer der Leiter die Sprosse, welche an der Dachrinne anliegt, merkt. In einem sich anschließenden dritten Schritt ist der Nutzer gezwungen, die Leiter umzulegen und an der gemerkten Sprosse das Sicherungselement anzubringen.In order to maintain an angle of approx. 70 degrees between the ladder and a surface on which the ladder stands, which is prescribed for safety reasons, the first step is to lay the ladder at the prescribed angle. In a second step, it is then necessary for a user of the ladder to remember the rung that rests against the gutter. In a subsequent third step, the user is forced to turn the ladder and attach the safety element to the rung he has remembered.
Dieser Vorgang, welcher beim Anbringen des Sicherungselements durchgeführt werden muss, ist zeitaufwendig und fehleranfällig.This process, which must be carried out when attaching the security element, is time-consuming and error-prone.
Im Stand der Technik ist die
Weiter ist im Stand der Technik die
Die
Daher ist es Aufgabe der Erfindung, eine Sicherung, insbesondere eine Leiterkopfsicherung zum Sichern einer Leiter an einer Dachrinne, anzugeben, bei der auf einfache Weise nach dem Aufstellen einer Leiter unter einem bestimmten Winkel, die Leiterkopfsicherung an der Leiter angeordnet werden kann.It is therefore the object of the invention to provide a safety device, in particular a ladder head safety device for securing a ladder to a gutter, in which the ladder head safety device can be arranged on the ladder in a simple manner after a ladder has been erected at a specific angle.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des unabhängigen Patentanspruchs gelöst. Weitere vorteilhafte Weiterbildungen sind Gegenstand der Unteransprüche.This object is achieved according to the invention by the features of the independent patent claim. Further advantageous developments are the subject matter of the dependent claims.
Erfindungsgemäß weist die Leiterkopfsicherung zum Sichern einer Leiter an einer Dachrinne nachstehende Merkmale einzeln und/oder in Kombination auf, wobei jedoch die Erfindung durch die nachfolgenden Patentansprüche definiert ist.According to the invention, the ladder head safety device for securing a ladder to a gutter has the following features individually and/or in combination, with the invention, however, being defined by the subsequent patent claims.
Die Leiterkopfsicherung dient dazu, eine Leiter gegen Umfallen oder Umkippen zu sichern, indem ein sicherer Halt der Leiter an einer Dachrinne gewährleistet wird.The ladder head safety device is used to secure a ladder against falling or tipping over by ensuring that the ladder is held securely on a gutter.
Die Leiterkopfsicherung dient dazu, eine Leiter gegen Umfallen oder Umkippen zu sichern, indem ein sicherer Halt der Leiter an einer Dachrinne gewährleistet wird.The ladder head safety device is used to secure a ladder against falling or tipping over by ensuring that the ladder is held securely on a gutter.
Bei einer Leiterkopfsicherung handelt es sich vorzugsweise um eine Baugruppe, die an eine beliebige Leiter anordenbar ist. Dabei ist vorzugsweise die zum Halten der Leiter am Besten geeignete Sprosse zur Befestigung der Leiterkopfsicherung auswählbar. Dazu ist die Leiterkopfsicherung vorzugsweise an verschiedenen Sprossen befestigbar. Vorzugsweise ist die Leiterkopfsicherung von der Leiter abnehmbar ausgestaltet. Dies erlaubt es, die Leiterkopfsicherung nach beispielsweise einem Arbeitsvorgang auf dem Dach zu demontieren. Dies ermöglicht außerdem eine vielfache Verwendung der Leiterkopfsicherung an einer oder an verschiedenen Leitern sowie auch ein einfache Wartung der Leiterkopfsicherung.A ladder head safety device is preferably an assembly that can be arranged on any ladder. In this case, the most suitable rung for holding the ladder can be selected for fastening the ladder head safety device. For this purpose, the ladder head safety device can preferably be fastened to different rungs. The ladder head safety device is preferably designed to be removable from the ladder. This allows the ladder head safety device to be dismantled after, for example, a work process on the roof. This also allows for multiple use of the ladder head safety device on one or different ladders, as well as easy maintenance of the ladder head safety device.
Es ist auch möglich, die Leiterkopfsicherung dauerhaft mit der Leiter zu verbinden. Beispielsweise kann sie fest mit einer einzigen Sprosse verbunden sein, insbesondere unmittelbar oder mittelbar über wengistens ein zwischen der Leiter und der Leiterkopfsicherung angeordnetes Element.It is also possible to permanently connect the ladder head protection to the ladder. For example, it can be firmly connected to a single rung, in particular directly or indirectly via at least one element arranged between the ladder and the ladder head safety device.
Eine Leiterbefestigungseinrichtung der Leiterkopfsicherung ist an genau einer Sprosse bzw. an einer einzigen Sprosse einer Leiter anbringbar. Auf diese Weise kann die Leiterkopfsicherung einfach und schnell mit einer Leiter verbunden werden.A ladder fastening device of the ladder head safety device can be attached to precisely one rung or to a single rung of a ladder. In this way, the ladder head safety can be connected to a ladder quickly and easily.
Die Leiterkopfsicherung weist eine Einlegeeinrichtung zum Einlegen in den wasserführenden Bereich einer Dachrinne auf. Somit kann mithilfe der Einlegeeinrichtung die Leiterkopfsicherung sicher an beispielsweise einer Dachrinne gehalten werden. "Einlegen" bedeutet im Rahmen dieser Patentanmeldung, dass die Einlegeeinrichtung von oben in die Dachrinne eingebracht wird. Die Einlegeeinrichtung ist im befestigten Zustand der Leiterkopfsicherung gegenüber der Leitersprosse, an der die Leiterkopfsicherung befestigt ist, vorzugsweise in Richtung der Dachrinne und/oder der Holme der Leiter und/oder in Richtung der Schwerkraft verstellbar. Dadurch ändert sich die relative Höhe der Einlegeeinrichtung gegenüber der Sprosse der Leiter, an der die Leiterkopfsicherung befestigt ist.The ladder head safety device has an insertion device for insertion into the water-carrying area of a gutter. The ladder head safety device can thus be held securely on a gutter, for example, with the aid of the insertion device. In the context of this patent application, "insert" means that the insertion device is inserted into the gutter from above. In the fastened state of the ladder head safety device, the insertion device can be adjusted relative to the ladder rung to which the ladder head safety device is fastened, preferably in the direction of the gutter and/or the rails of the ladder and/or in the direction of gravity. This changes the relative height of the insertion device in relation to the rung of the ladder to which the ladder head safety device is attached.
Die Leiterkopfsicherung umfasst eine Stelleinrichtung, die die Leiterbefestigungseinrichtung mit der Einlegeeinrichtung verbindet. Somit kann die Einlegeeinrichtung über die Stelleinrichtung die an einer Sprosse befestigte Leiterbefestigungseinrichtung an beispielsweise einer Dachrinne eines Hauses abstützen. Somit ist also ein sicherer Halt einer Leiter mithilfe der Leiterkopfsicherung möglich.The ladder head safety device includes an actuating device that connects the ladder fastening device to the insertion device. The insertion device can thus support the ladder fastening device fastened to a rung on, for example, a roof gutter of a house via the adjusting device. Thus, a secure hold of a ladder is possible with the help of the ladder head safety device.
Die Stelleinrichtung umfasst eine Verschiebeführung für eine relative Verschiebung der Einlegeeinrichtung gegenüber der Leiterbefestigungseinrichtung. Mittels der Verschiebeführung ist es möglich, nach dem Anstellen der zu sichernden Leiter in einem bestimmten Winkel, insbesondere in einem Winkel von ca. 70 Grad gegenüber der Schwerkraftrichtung, die Leiterkopfsicherung an den Abstand zwischen einer Leitersprosse, an der sie befestigt ist, und einer Position im zur Wasserführung vorgesehenen Teil der Dachrinne, insbesondere dem Grund einer Dachrinne, anzupassen. An diese Position wird die Einlegeeinrichtung zur Sicherung der Leiter in die Dachrinne eingelegt. Dadurch ist ein Wegrutschen sowie ein Umkippen der Leiter verhinderbar.The adjusting device includes a displacement guide for a relative displacement of the insertion device with respect to the conductor attachment device. By means of the sliding guide it is possible, after the ladder to be secured has been positioned at a certain angle, in particular at an angle of approx. 70 degrees relative to the direction of gravity, to adjust the ladder head safety device to the distance between a ladder rung to which it is attached and a position in the part of the gutter intended for water flow, in particular the bottom of a gutter. The insertion device for securing the ladder is inserted into the gutter at this position. This prevents the ladder from slipping and tipping over.
Vorzugsweise ist in einem ersten, nicht arretierten Zustand die Einlegeeinrichtung gegenüber der Leiterbefestigungseinrichtung mittels der Stelleinrichtung verschiebbar und vorzugsweise außerdem drehbar. Auf diese Weise kann die Einlegeeinrichtung optimal positioniert werden, insbesondere innerhalb einer Dachrinne.In a first, non-locked state, the insertion device can preferably be displaced relative to the ladder fastening device by means of the adjusting device and preferably also rotated. In this way, the insertion device can be optimally positioned, in particular within a gutter.
Im Gegensatz zu dem ersten Zustand, in dem die Einlegeeinrichtung gegenüber der Leiterbefestigungseinrichtung verschieblich ist, ist die Einlegeeinrichtung in einem zweiten, arretierten Zustand gegenüber der Leiterbefestigungseinrichtung arretiert. In diesem Zustand kann das seitliche Umkippen und das Wegrutschen der Leiter verhindert werden, wenn die Einlegeeinrichtung in die Dachrinne eingelegt ist. Dennoch ist ein Anheben der Leiter und somit ein Versetzen durch Hochheben und Querverschieben in einer Dachrinne möglich. Die Leiter kann daher mit der Leiterkopfsicherung an verschiedenen Stellen in der Dachrinne und somit an verschiedenen Stellen am Dach eingesetzt werden. Durch das Hochheben wird ein Anlage der Einlegeeinrichtung an der Innenwand der Dachrinne entlastet oder aufgehoben, so dass die Leiter mit der Leiterkopfsicherung gegenüber der Dachrinne bewegt werden kann. Vorzugsweise bleibt die Einlegeeinrichtung während der Arbeit an einer Seite eines Daches in derselben Relativposition fest mit der Leiter verbunden.In contrast to the first state, in which the insertion device can be displaced in relation to the ladder fastening device, the insertion device is locked in a second, locked state in relation to the ladder fastening device. In this state, the ladder can be prevented from tipping sideways and slipping when the insertion device is inserted into the gutter. Nevertheless, it is possible to lift the ladder and thus move it by lifting it up and moving it laterally in a gutter. The ladder can therefore be used with the ladder head safety device at different points in the gutter and thus at different points on the roof. By lifting, a system of the insertion device on the inner wall of the gutter is relieved or eliminated, so that the ladder with the ladder head safety device can be moved relative to the gutter. Preferably, the insertion device remains fixed to the ladder in the same relative position during work on one side of a roof.
Unter dem Begriff "verschiebbar" wird in dieser Beschreibung eine translatorische Bewegung verstanden, die gerade verlaufen kann, was jedoch nicht zwingend der Fall sein muss. Die Stelleinrichtung kann entlang einer theoretischen Verschiebeachse verschoben werden, entlang der die translatorische Bewegung stattfindet. Durch die Verschiebung kann die Entfernung bzw. der Abstand zwischen der Einlegeeinrichtung und einer Halteeinrichtung, mit der die Leiterkopfsicherung an einer Sprosse befestigbar ist, eingestellt werden.In this description, the term “displaceable” is understood to mean a translational movement that can run in a straight line, but this does not necessarily have to be the case. The adjusting device can be displaced along a theoretical displacement axis, along which the translatory movement takes place. The distance or distance between the insertion device and a holding device with which the ladder head safety device can be fastened to a rung can be adjusted by the displacement.
Vorzugsweise ist die Stelleinrichtung um eine Drehachse drehbar angeordnet. Auf diese Weise ist es möglich, die Stelleinrichtung gegenüber der Leiterbefestigungseinrichtung zu schwenken.The adjusting device is preferably arranged such that it can rotate about an axis of rotation. In this way it is possible to pivot the adjusting device in relation to the ladder fastening device.
Bevorzugterweise ist sowohl die Verschiebung entlang einer Verschiebeachse als auch die Drehung um eine Drehachse stufenlos. Dies hat den Vorteil, dass beliebige Winkel und Längen einstellbar sind.Both the displacement along a displacement axis and the rotation about a rotation axis are preferably stepless. This has the advantage that any angle and length can be adjusted.
Vorzugsweise ist die Drehachse im an der Leiter befestigten Zustand im Wesentlichen parallel zu einer Sprosse einer Leiter ausgerichtet. Die Leiterbefestigungseinrichtung kann so ausgestaltet sein, dass die Drehachse ähnlich einer Sprosse einer Leiter orientiert ist. Unter "im Wesentlichen parallel" wird eine Abweichung der Mittellinie, insbesondere der ideal angenommenen Mittellinie, der Sprosse zur Drehachse verstanden, wobei die Abweichung zur Drehachse um Beispiel in einem Zylinder mit einem Durchmesser von 5 cm liegen kann. Anders ausgedrückt werden in der vorliegenden Beschreibung eine Sprosse und eine Drehachse als "im Wesentlichen parallel" angesehen, wenn die Drehachse innerhalb eines idealisierten Zylinders, der parallel zur Sprosse orientiert ist und einen Durchmesser von 5 cm aufweist, liegt.The axis of rotation is preferably aligned essentially parallel to a rung of a ladder when it is fastened to the ladder. The ladder attachment device can be designed in such a way that the axis of rotation is oriented similar to a rung of a ladder. “Substantially parallel” is understood to mean a deviation of the center line, in particular the ideally assumed center line, of the rung from the axis of rotation, the deviation from the axis of rotation being able to lie, for example, in a cylinder with a diameter of 5 cm. In other words, in the present specification, a rung and an axis of rotation are considered "substantially parallel" if the axis of rotation lies within an idealized cylinder oriented parallel to the rung and having a diameter of 5 cm.
Die Leiterkopfsicherung kann derart gestaltet sein, dass die Verschiebeachse um die Drehachse rotierbar ist. Vorzugsweise ist die Verschiebeachse senkrecht zu der Drehachse orientiert. Vorzugsweise bildet die Drehachse eine Flächennormale für eine Fläche, in welcher die Verschiebeachse angeordnet ist.The ladder head safety device can be designed in such a way that the displacement axis can be rotated about the axis of rotation. The displacement axis is preferably oriented perpendicular to the axis of rotation. The axis of rotation preferably forms a surface normal for a surface in which the displacement axis is arranged.
Mit der Stelleinrichtung kann die Einlegeeinrichtung in die Dachrinne eingelegt und aus dieser herausgenommen werden. Dabei kann die Einlegeeinrichtung eine Schwenkbewegung um eine theoretischen Drehachse und/oder eine überlagerte Verschiebebewegung entlang einer theoretischen Verschiebeachse ausführen. Die Verschiebebewegung kann je nach Drehstellung der Stelleinrichtung in unterschiedliche Richtungen entlang der mit der Stelleinrichtung gedrehten Verschiebeachse stattfinden. Die Drehachse verläuft vorzugsweise durch die Stelleinrichtung. Die Drehachse ist im an der Dachrinne befestigten Zustand der Leiterkopfsicherung vorzugsweise außerhalb der Dachrinne angeordnet. Die Verschiebeachse verläuft im an der Dachrinne befestigten Zustand der Leiterkopfsicherung vorzugsweise bis in die Dachrinne.With the adjusting device, the insertion device can be inserted into the gutter and removed from it. The insertion device can perform a pivoting movement about a theoretical axis of rotation and/or a superimposed displacement movement along a theoretical displacement axis. Depending on the rotational position of the adjusting device, the displacement movement can take place in different directions along the displacement axis rotated with the adjusting device. The axis of rotation preferably runs through the adjusting device. The axis of rotation is preferably arranged outside of the gutter when the ladder head safety device is in the state in which it is fastened to the gutter. When the ladder head safety device is in the attached state to the gutter, the axis of displacement preferably extends into the gutter.
Vorzugsweise weist die Leiterkopfsicherung eine Arretiereinrichtung zum lösbaren Arretieren der Stelleinrichtung auf. Die Arretiereinrichtung kann die Leiterkopfsicherung in dem zweiten Zustand arretieren. Folglich können die Bewegungsrichtungen der Stelleinrichtung mithilfe der Arretiereinrichtung zumindest eingeschränkt und vorzugsweise ganz unterbunden werden.The ladder head safety device preferably has a locking device for releasably locking the adjusting device. The locking device can lock the ladder head safety device in the second state. Consequently, the directions of movement of the actuating device can be at least restricted and preferably completely prevented with the aid of the locking device.
Vorzugsweise sind im zweiten, arretierten Zustand der Leiterkopfsicherung die Leiterbefestigungseinrichtung, die Einlegeeinrichtung, die Stelleinrichtung und die Arretiereinrichtung fest miteinander verbunden.In the second, locked state of the ladder head safety device, the ladder fastening device, the insertion device, the actuating device and the locking device are preferably firmly connected to one another.
Die Arretiereinrichtung kann auf die Drehachse und zugleich auf die Verschiebeachse einwirken, sodass sowohl die Drehung als auch die Verschiebung mit demselben Vorgang arretierbar sind. Dies führt zu einer einfachen Handhabung.The locking device can act on the axis of rotation and at the same time on the axis of displacement, so that both the rotation and the displacement can be locked with the same process. This leads to easy handling.
Alternativ kann die Arretiereinrichtung so aufgebaut sein, dass die Verschiebung und die Drrehung einzeln arretierbar sind. Die Arretierung der Drehung kann dann vor oder nach der Arretierung der Verschiebung stattfinden. Es können in einer anderen Variante auch nur eine Drrehung oder nur eine Verschiebung möglich sein. Diese sind dann jeweils mittels einer Arretiereinrichtung festsetzbar.Alternatively, the locking device can be constructed in such a way that the displacement and the rotation can be locked individually. The rotation can then be locked before or after the translation is locked. In another variant, only one rotation or only one displacement can also be possible. These can then each be fixed by means of a locking device.
Vorzugsweise ist durch die Arretiereinrichtung mittels Kraftschluss eine relative Bewegung der Einlegeeinrichtung gegenüber der Leiterbefestigungseinrichtung, insbesondere eine relative Bewegung der Stelleinrichtung gegenüber der Leiterbefestigungseinrichtung, lösbar arretierbar. Auf diese Weise kann die Leiterkopfsicherung mithilfe der Arretiereinrichtung die Bewegung der Einlegeeinrichtung bzw. der Stelleinrichtung gegenüber der Leiterbefestigungseinrichtung einschränken oder unterbinden. Das Kraftschlussprinzip ermöglicht vorzugsweise eine stufenlose Einstellung der Einstelleinrichtung im arretieren, zweiten Zustand. Es sind dann im Allgemeinen keine formschlüssigen Rasten oder dergleichen erforderlich. Vorzugsweise wird die Stelleinrichtung durch Klemmen arretiert.A relative movement of the insertion device relative to the ladder fastening device, in particular a relative movement of the actuating device relative to the ladder fastening device, can preferably be releasably arrested by the locking device by means of a frictional connection. In this way, the head-of-the-ladder safety device can restrict or prevent the movement of the insertion device or the actuating device relative to the ladder-fastening device with the aid of the locking device. The non-positive connection principle preferably enables a stepless adjustment of the adjustment device in the locked, second state. There are then generally no form-fitting catches or the like required. The adjusting device is preferably locked by clamping.
Vorzugsweise ist mittels der Arretiereinrichtung die Verschiebung der Einlegeeinrichtung entlang der Verschiebeachse arretierbar. Folglich ist das Verschieben der Einlegeeinrichtung entlang einer Achse nicht mehr möglich, günstigerweise jedoch deren Drehung.The displacement of the insertion device along the displacement axis can preferably be arrested by means of the arresting device. Consequently, it is no longer possible to move the insertion device along an axis, but it is beneficial to rotate it.
Des Weiteren ist es bevorzugt, dass mittels der Arretiereinrichtung die Drehung der Einlegeeinrichtung um die Drehachse arretierbar ist. Somit kann also die Drehung der Einlegeeinrichtung gesperrt werden, wohingegen deren Verschiebung noch möglich ist.Furthermore, it is preferred that the rotation of the insertion device about the axis of rotation can be locked by means of the locking device. Thus, the rotation of the insertion device can be blocked, whereas its displacement is still possible.
Vorzugsweise ist die Verschiebeführung der Stelleinrichtung zwischen der Arretiereinrichtung und der Leiterbefestigungseinrichtung angeordnet. Dies ist in Bezug auf einen Kraftfluss zwischen der Leitern und der Dachrinne gemeint und kann in Bezug auf die räumliche Anordnung abweichen.The displacement guide of the adjusting device is preferably arranged between the locking device and the ladder fastening device. This is meant in relation to a flow of forces between the ladder and the gutter and can deviate in relation to the spatial arrangement.
Vorzugsweise ist die Arretiereinrichtung an unverschieblich an der Leiterbefestigungseinrichtung angeordnet. Dann weiß ein Nutzer der Leiterkopfsicherung stets, wo die Arretiereinrichtung ist, was die Bedienung erleichtert. Denkbar ist jedoch, dass bei einer Arretiereinrichtung, die einzelne Arretiermechanismen für die Drrehung und die Verschiebung aufweist, nur einer der Arretiermechanismen an der Leiterbefestigungseinrichtung unverschieblich angeordnet ist.The locking device is preferably arranged immovably on the ladder fastening device. A user of the ladder head safety device then always knows where the locking device is, which makes operation easier. However, it is conceivable that in the case of a locking device which has individual locking mechanisms for rotation and displacement, only one of the locking mechanisms is arranged immovably on the ladder fastening device.
Des Weiteren ist es bevorzugt, dass die Leiterkopfsicherung zwei Arretiereinrichtungen für jeweils eine Stelleinrichtung umfasst. Dadurch kann eine erhöhte Sicherheit gegen unbeabsichtigtes Lösen einer Arretiereinrichtung gewährleistet werden. Alternativ kann auch eine einzige alternativ Arretiereinrichtung für alle Bewegungen und alle Stelleinrichtungen vorgesehen sein. Dies hat den Vorteil einer schnellen und einfachen Bedienung.Furthermore, it is preferred that the ladder head safety device comprises two locking devices for one adjusting device each. This can increase security against unintentional release of a locking device can be guaranteed. Alternatively, a single alternative locking device can also be provided for all movements and all actuating devices. This has the advantage of quick and easy operation.
Des Weiteren ist es günstig, wenn die Einlegeeinrichtung langgestreckt ausgebildet ist. Durch die langgestreckte Form ist es möglich, die Einlegeeinrichtung auch in eine schmale Dachrinne über einen größeren Abschnitt einzulegen. Auch kann mithilfe der langgestreckten Einlegeeinrichtung eine breite Auflagefläche der Leiterkopfsicherung innerhalb bzw. am Grund der Dachrinne realisiert werden, wodurch die mechanische Stabilität erhöht wird.Furthermore, it is favorable if the insertion device is designed to be elongated. Due to the elongated shape, it is possible to insert the insertion device into a narrow gutter over a larger section. With the help of the elongated insertion device, a wide support surface for the ladder head safety device can also be realized within or on the base of the gutter, which increases the mechanical stability.
Vorzugsweise ist die Einlegeeinrichtung an der Stelleinrichtung angeordnet. Diese Ausgestaltung erlaubt es, die Einlegeeinrichtung mithilfe der Stelleinrichtung zu verschieben und/oder zu drehen.The insertion device is preferably arranged on the actuating device. This configuration allows the insertion device to be displaced and/or rotated with the aid of the adjusting device.
Vorzugsweise ist die Einlegeeinrichtung geeignet, in den zur Wasserableitung vorgesehenen Teil einer Dachrinne eingebracht und vorzugsweise an deren Grund bzw. an deren tiefster Stelle aufgelegt zu werden. Dadurch kann die mechanische Stabilität der Leiterkopfsicherung in Anordnung an einer Leiter und an einer Dachrinne gewährleistet werden.The insertion device is preferably suitable for being placed in the part of a roof gutter provided for water drainage and preferably for being placed at its base or at its deepest point. As a result, the mechanical stability of the ladder head safety device can be ensured when arranged on a ladder and on a gutter.
In einer bevorzugten Ausführung umfasst die Verschiebeführung der Stelleinrichtung ein Langloch. Dadurch wird eine einfache konstruktive Ausgestaltung der Verschiebeführung realisierbar.In a preferred embodiment, the displacement guide of the adjusting device includes an elongated hole. As a result, a simple structural design of the displacement guide can be implemented.
Vorzugsweise ist die Stelleinrichtung aus einem Flachmaterial gebildet ist. Die Ausgestaltung aus einem Flachmaterial ist einfach, kostengünstig und mechanisch stabil.The adjusting device is preferably formed from a flat material. The configuration from a flat material is simple, inexpensive and mechanically stable.
In einer bevorzugten Ausführung bildet die Arretiereinrichtung einen Teil der Verschiebeführung, mit dem die Stelleinrichtung geklemmt werden kann. In einer Variante ist dazu der Teil der Arretiereinrichtung durch ein Langloch in der Stelleinrichtung gesteckt. In einer anderen Variante umgreift die Schiebeführung wenigstens teilweise die Stelleinrichtung von außen. Mit beiden Varianten ist ein einfaches und sicheres Halten bzw. Arretieren bzw. Klemmen der Stelleinrichtung in einer bestimmbaren Position möglich.In a preferred embodiment, the locking device forms part of the displacement guide, with which the actuating device can be clamped. In a variant, the part of the locking device is inserted through a slot in the adjusting device. In another variant, the sliding guide at least partially surrounds the actuating device from the outside. With both variants, a simple and safe holding or locking or clamping of the actuating device in a definable position is possible.
Vorzugsweise ist die Stelleinrichtung zum Einstellen des Abstands von der Einlegeeinrichtung zur Leiterbefestigungseinrichtung langgestreckt ausgebildet. Dies erlaubt es, die Leiterkopfsicherung auf den Abstand einer Sprosse einer Leiter zu einer Dachrinne bzw. zu deren Grund einzustellen.Preferably, the adjusting device for adjusting the distance from the insertion device to the ladder fastening device is designed to be elongated. This makes it possible to adjust the ladder head safety device to the distance between a rung of a ladder and a gutter or the bottom of the gutter.
Bevorzugt umfasst die Leiterbefestigungseinrichtung ein Halteelement. Mit dessen Hilfe kann die Leiterbefestigungseinrichtung bzw. die Leiterkopfsicherung sicher an einer Sprosse angeordnet werden. Vorzugsweise ist das Halteelement als offenes U-Profil ausgebildet. Es kann auch als anders geformtes, zum zumindest teilweisen Umgreifen einer Sprosse geeignetes Profil ausgebildet sein.The ladder attachment device preferably comprises a holding element. With its help, the ladder fastening device or the ladder head safety device can be securely arranged on a rung. The holding element is preferably designed as an open U-profile. It can also be designed as a differently shaped profile suitable for at least partially encompassing a rung.
Bevorzugterweise umfasst die Leiterbefestigungseinrichtung eine Haltesicherung. Diese verschließt vorzugsweise das offene U-Profil des Halteelements. Dadurch wird die Leiterkopfsicherung bzw. die Leiterbefestigungseinrichtung derart an einer Sprosse einer Leiter befestigt, dass die Leiterbefestigungseinrichtung die Sprosse vollständig umgreift und an der Sprosse nicht versehentlich gelöst werden kann.Preferably, the ladder attachment device includes a securing device. This preferably closes the open U-profile of the holding element. As a result, the ladder head safety device or the ladder fastening device is fastened to a rung of a ladder in such a way that the ladder fastening device completely encompasses the rung and cannot be inadvertently released from the rung.
Bevorzugt wird ebenfalls, dass die Leiterbefestigungseinrichtung ein Verbindungselement aufweist. Mithilfe dieses Elements ist eine Verbindung des Halteelements mit der Stelleinrichtung sowie der Arretiereinrichtung möglich.It is also preferred that the ladder attachment device has a connecting element. This element enables the holding element to be connected to the actuating device and the locking device.
Vorzugsweise erstreckt sich das Verbindungselement von dem Halteelement aus in die Richtung, in die eine Sprosse in die Öffnung des Profils des Halteelements eingebracht werden kann. Somit kann also eine Beabstandung des Verbindungselements von der Sprosse erzielt werden, wodurch eine Bedienung der Leiterbefestigungseinrichtung, insbesondere der Arretiereinrichtung, weniger beengt ist und somit erleichtert wird.The connecting element preferably extends from the holding element in the direction in which a rung can be introduced into the opening of the profile of the holding element. In this way, the connecting element can be spaced apart from the rung, as a result of which operation of the ladder fastening device, in particular the locking device, is less cramped and thus made easier.
Bevorzugt ist das Verbindungselement mit einer Arretiereinrichtung und vorzugsweise einer Querstrebe verbindbar oder verbunden. Vorzugsweise sind für diese Verbindungen zwei Aufnahmen vorgesehen, die es ermöglichen, die Arretiereinrichtung und die Querstrebe an dem Verbindungselement zu befestigen. Die Querstrebe kann alternativ auch einstückig mit einer oder beiden Aufnahmen ausgebildet sein.The connecting element can preferably be connected or is connected to a locking device and preferably to a cross brace. Two receptacles are preferably provided for these connections, which make it possible to attach the locking device and the cross brace to the connection element. Alternatively, the cross brace can also be formed in one piece with one or both receptacles.
Bevorzugterweise weist die Querstrebe eine Öse zum Transport der Leiterkopfsicherung auf. Dadurch kann die Leiterkopfsicherung beispielsweise mit einem Gurt, der durch die Öse geführt wird, um die Schulter hängend zum vorgesehenen Befestigungsort an einer Sprosse getragen werden.The cross brace preferably has an eyelet for transporting the ladder head safety device. As a result, the ladder head safety device can be carried hanging around the shoulder to the intended fastening point on a rung, for example with a belt that is passed through the eyelet.
In einer bevorzugten Ausführung umfasst die Leiterkopfsicherung zwei Stelleinrichtungen, zwei Arretiereinrichtungen und eine Einlegeeinrichtung. Vorzugsweise sind die Stelleinrichtungen voneinander beabstandet. Eine Einlegeeinrichtung ist an jeweils einem Ende der Stelleinrichtungen angeordnet. Die Leiterkopfsicherung umfasst bevorzugt zwei voneinander beabstandete Stelleinrichtungen, die eine einzige Einlegeeinrichtung an zwei Punkten hält, wodurch eine hohe mechanische Stabilität erzielt wird.In a preferred embodiment, the ladder head safety device comprises two adjusting devices, two locking devices and an insertion device. The adjusting devices are preferably spaced apart from one another. An insertion device is arranged at each end of the actuating devices. The ladder head safety device preferably comprises two spaced-apart adjusting devices which hold a single insertion device at two points, as a result of which high mechanical stability is achieved.
Vorzugsweise weist die Stelleinrichtung einen Mindestverstellbereich von mindestens 15 cm, vrozugsweise zwischen 30 cm und 50 cm auf. Mithilfe dieser Ausgestaltung ist es möglich, dass der Abstand zwischen der Einlegeeinrichtung und der Leiterbefestigungseinrichtung im Rahmen des Mindestverstellbereichs einstellbar ist.The adjustment device preferably has a minimum adjustment range of at least 15 cm, preferably between 30 cm and 50 cm. With the help of this configuration, it is possible for the distance between the insertion device and the ladder fastening device to be adjustable within the scope of the minimum adjustment range.
Idealerweise entspricht der Mindestverstellbereich dem Abstand zweier Sprossen einer Leiter. Somit kann gewährleistet werden, dass eine Dachrinne bzw. der Grund einer Dachrinne, die bzw. der zwischen zwei Sprossen eine Leiter angeordnet ist, mithilfe des Mindestverstellbereichs von der Einlegeeinrichtung erreicht werden kann.Ideally, the minimum adjustment range corresponds to the distance between two rungs of a ladder. It can thus be ensured that a gutter or the bottom of a gutter, which is arranged between two rungs of a ladder, can be reached by the insertion device with the aid of the minimum adjustment range.
Mit anderen Worten ausgedrückt kann mit dem Mindestverstellbereich der Abstand zwischen der Sprosse einer Leiter, die im aufgestellten Zustand über die Dachrinne ragt, und dem Grund einer Dachrinne eingestellt werden. Somit ist ein sicheres Aufstellen einer Leiter unter z. B. einem Winkel von 70 Grad zum Untergrund möglich.In other words, the distance between the rung of a ladder, which protrudes over the gutter when erected, and the bottom of a gutter can be adjusted with the minimum adjustment range. Thus, a safe erection of a ladder under z. B. an angle of 70 degrees to the ground possible.
Bevorzugt ist die Verschiebeführung der Stelleinrichtung an dem Verbindungselement angeordnet. Dadurch ist die Verschiebeführung an der ersten Aufnahme befestigbar. Diese Befestigung wird bevorzugt durch die Arretiereinrichtung bewirkt. Die Arretiereinrichtung ist in dieser Variante bevorzugt mit einem Schraubgewinde ausgestattet. Das Schraubgewinde verläuft bevorzugt durch die Verschiebeführung.The displacement guide of the adjusting device is preferably arranged on the connecting element. As a result, the displacement guide can be fastened to the first receptacle. This attachment is preferably effected by the locking device. In this variant, the locking device is preferably equipped with a screw thread. The screw thread preferably runs through the sliding guide.
Vorzugsweise ist die Leiterbefestigungseinrichtung derart verstellbar ist, dass die Position der Einlegeeinrichtung im an einer Leiter befestigten Zustand der Leiterkopfsicherung näherungsweise in Richtung der Schwerkraft verschiebbar ist. Dies erleichtert die Bedienung, weil die Einlegeeinrichtung in Richtung der Schwerkraft in Dachrinne eingelegt werden kann.The ladder fastening device can preferably be adjusted in such a way that the position of the insertion device can be shifted approximately in the direction of gravity when the ladder head safety device is fastened to a ladder. This facilitates operation because the insertion device can be inserted into the gutter in the direction of gravity.
Bevorzugt umfasst die Leiterkopfsicherung einen Sicherheitsvorsprung, der im vorgesehenen Befestigungszustand in Richtung der Seite der Leiter vorsteht, an der sie zum Beispiel an eine Dachrinne angelehnt werden soll. Der Sicherheitsvorsprung ist im befestigten Zustand fest mit der Leiterkopfsicherung verbunden. Vorzugsweise wird die Leiterkopfsicherung so befestigt, dass sich der Sicherheitsvorsprung im angelehnten Zustand der Leiter oberhalb der Dachrinne befindet. So ist es möglich, dass in einem Fall, in dem die Leiter an die Dachrinne angelehnt ist, jedoch beim besteigen der Leiter abrutscht, der Sicherheitsvorsprung an der Dachrinne hängen bleibt und ein vollständiges Abstürzen der Leiter verhindert. Da beim Besteigen der Leiter das Gewicht der aufsteigenden Person die Leiter zusätzlich an die Dachrinne andrückt, wird eine gutes Verhaken des Sicherheitsvorsprungs an der Dachrinnenkante gewährleistet. Der Sicherheitsvorsprung kann beispielsweise ein Abschnitt der Leiterkopfsicherung sein, der sich zwischen einer Arretiereinrichtung und einer Befestigungseinrichtung befindet.The head-of-ladder safety device preferably includes a safety projection which, in the intended fastening state, protrudes in the direction of the side of the ladder on which it is to be leaned against a gutter, for example. When fastened, the safety projection is firmly connected to the ladder head safety device. The ladder head safety device is preferably fastened in such a way that the safety projection is located above the gutter when the ladder is leaning against it. So it is possible that in a case where the ladder is leaning against the gutter but slips when climbing the ladder, the safety projection gets caught on the gutter and prevents the ladder from falling completely. Since the weight of the person climbing up the ladder also presses the ladder against the gutter when climbing the ladder, a good hooking of the safety projection on the edge of the gutter is guaranteed. The safety projection can, for example, be a section of the ladder head safety device which is located between a locking device and a fastening device.
In einer Ausführungsform erstreckt sich im befestigten Zustand die Leiterkopfsicherung bevorzugt von der Sprosse, an der sie befestigt ist, mit dem Verbindungselement in Richtung der Dachrinne. Am Ende des Verbindungselements ist die Arretiereinrichtung von der Leiter aus in Richtung der Dachrinne angeordnet. Die Arretiereinrichtung weist in dieser Ausführungsform handverstellbare Schrauben auf, mittels der eine Person die Arretiereinrichtung ohne Werkzeug arretieren und lösen kann. Die handverstellbaren Schrauben sind dabei im befestigten Zustand der Leiterkopfsicherung seitlich der Leiter angeordnet. Auf diese Weise sind sie für einen Bediener gut zu erreichen. Von der Arretiereinrichtung aus erstreckt sich die Stelleinrichtung in Richtung der Dachrinne. Die Stelleinrichtung ist um die Arretiereinrichtung drehbar und entlang der Arretiereinrichtung verschiebbar. Das Arretieren mittels der Arretiereinrichtung verhindert sowohl die Drehung als auch die Verschiebung der Stelleinichtung. Am Ende der Stelleinrichtung ist die Einlegeeinrichtung angeordnet. Die Einlegeeinrichtung ist im an der Dachrinne befestigten Zustand im Inneren der Dachrinne angeordnet und liegt bevorzugt an deren Innenwand an.In one embodiment, when fastened, the ladder head safety device preferably extends from the rung to which it is fastened, with the connecting element in the direction of the roof gutter. At the end of the connecting element, the locking device is arranged from the ladder in the direction of the gutter. The locking device has in this embodiment, manually adjustable screws, by means of which a person Locking device can lock and release without tools. The manually adjustable screws are arranged on the side of the ladder when the ladder head safety device is in the fastened state. In this way, they are easy to reach for an operator. The adjusting device extends from the locking device in the direction of the gutter. The adjusting device can be rotated about the locking device and can be displaced along the locking device. Locking by means of the locking device prevents both rotation and displacement of the adjusting device. The insertion device is arranged at the end of the actuating device. When fastened to the gutter, the insertion device is arranged inside the gutter and is preferably in contact with its inner wall.
Bevorzugterweise weist die Leiterkopfsicherung bzw. die Leiterbefestigungseinrichtung, die Einlegeeinrichtung, die Stelleinrichtung und/oder die Arretiereinrichtung Aluminium oder eine Aluminiumlegierung auf. Die Ausgestaltung aus Aluminium, insbesondere Aluminiumflachmaterial ist einfach, kostengünstig, mechanisch stabil und leicht zu transportieren.The ladder head safety device or the ladder fastening device, the insertion device, the adjusting device and/or the locking device preferably has aluminum or an aluminum alloy. The design made of aluminum, in particular flat aluminum material, is simple, inexpensive, mechanically stable and easy to transport.
In einem weiteren Aspekt der Erfindung wird ein Verfahren zum Sichern einer Leiter vorgeschlagen. Gemäß dem Verfahren wird die Leiter an eine Dachrinne in einem vorgegebenen Winkel angestellt. Daraufhin wird die Leiter von einer Person bestiegen. Danach wird die Einlegeeinrichtung der Leiterkopfsicherung derart eingestellt, dass die Stelleinrichtung in den zur Wasserführung vorgesehenen Bereich der Dachrinne eingelegt wird. Daraufhin wird die Arretiereinrichtung arretiert, sodass die Leiter mittels der Leiterkopfsicherung gesichert ist.In a further aspect of the invention, a method for securing a ladder is proposed. According to the method, the ladder is placed against a gutter at a predetermined angle. Then the ladder is climbed by one person. Then the insertion device of the ladder head protection is adjusted in such a way that the adjusting device is inserted in the area of the gutter provided for the water flow. The locking device is then locked so that the ladder is secured by means of the ladder head safety device.
Dabei kann die Leiterkopfsicherung an der Leiter befestigt werden, bevor diese an die Dachrinne angestellt wird. Die Leiter kann dann mit der Leiterkopfsicherung angestellt werden. Die Leiterkopfsicherung kann auch dann schon einen Schutz gegen Wegrutschen bieten, wenn die Leiterkopfsicherung noch nicht in optimaler Position in der Dachrinne angeordnet ist. Wenn die Leiter wegrutscht, rutscht sie meist entlang der Dachrinne, sodass dabei die Leiterkopfsicherung in der Dachrinne zu liegen kommt. Dies kann ein weiteres Wegrutschen der Leiter verhindern. Eine Person, die dabei aufsteigt, kann so vor einem Absturz geschützt werden. Bevorzugt wird die Leiter mit arretierter Leiterkopfsicherung aufgestellt. Dann ist die Schutzwirkung deutlich erhöht, da die Einlegeeinrichtung Kräfte von der Dachrinne in die Leiter übertragen kann, wodurch die Leiter gestützt wird. Jedoch kann auch ein Teil der Leiterbefestigungseinrichtung, der in Richtung der Dachrinne vorsteht, weiteres Wegrutschen verhindern, wenn es auf der Dachrinne zu liegen kommt.The ladder head safety device can be attached to the ladder before it is placed on the gutter. The ladder can then be engaged with the ladder head safety device. The ladder head protection can also offer protection against slipping away if the ladder head protection is not yet arranged in the optimal position in the gutter. If the ladder slips away, it usually slides along the gutter, so that the ladder head safety device comes to rest in the gutter. This can prevent the ladder from slipping further. A person who climbs up can thus be protected from falling. The ladder is preferably erected with the ladder head safety device locked. The protective effect is then significantly increased since the insertion device can transfer forces from the gutter into the ladder, which supports the ladder. However, a part of the ladder fastening device which protrudes towards the gutter can also prevent further slippage when it comes to rest on the gutter.
Alternativ kann die Leitung auf Sicherung an der Leiter befestigt werden, nachdem eine Person durch Besteigen der Leiter in die Nähe der Dachrinne angekommen ist. Die Leiter ist dabei an die Dachrinne angelehnt und steht über die Dachrinne über. Die Leiterkopfsicherung wird an dem über die Dachrinne überstehenden Teil befestigt, bevorzugt an der ersten Sprosse oberhalb der Dachrinnenkante, an der die Leiter anliegt.Alternatively, the line can be secured to the ladder after a person has gotten close to the gutter by climbing the ladder. The ladder is leaning against the gutter and protrudes over the gutter. the Ladder head protection is fastened to the part that protrudes over the gutter, preferably to the first rung above the edge of the gutter on which the ladder rests.
Nachstehend wird die Erfindung anhand eines Ausführungsbeispiels in Verbindung mit zugehörigen Zeichnungen näher erläutert. Diese zeigen schematisch:
- Figur 1
- eine Leiterkopfsicherung zum Sichern einer Leiter mit Sprossen und Holmen an einer Dachrinne in einer räumlichen Darstellung;
Figur 2- eine seitliche Ansicht auf die Leiterkopfsicherung aus
Figur 1 mit einem vergrößerten Halteelement; Figur 3- zwei Stelleinrichtungen und eine Einlegeeinrichtung in räumlicher Darstellung;
Figur 4- einen vergrößerten Teilbereich der Leiterkopfsicherung aus
Figur 1 ; Figur 5- eine Leiterbefestigungseinrichtung der Leiterkopfsicherung aus
Figur 1 ; und Figur 6- die Leiterkopfsicherung zusammen mit einer Leiter.
- figure 1
- a ladder head safety device for securing a ladder with rungs and bars on a gutter in a three-dimensional representation;
- figure 2
- a side view of the ladder head fuse
figure 1 with an enlarged holding element; - figure 3
- two adjusting devices and an insertion device in a three-dimensional representation;
- figure 4
- an enlarged section of the ladder head fuse
figure 1 ; - figure 5
- a ladder fastening device of the ladder head safety device
figure 1 ; and - figure 6
- the ladder head safety together with a ladder.
In nachfolgender Beschreibung werden gleiche Bezugszeichen für gleiche Gegenstände verwendet.In the following description, the same reference symbols are used for the same objects.
Hierbei weist die Leiterkopfsicherung 1 zwei Leiterbefestigungseinrichtungen 2, eine Einlegeeinrichtung 3, zwei Stelleinrichtungen 4 und zwei Arretiereinrichtungen 6 sowie eine Querstrebe 13 auf, die eine Öse 15 umfasst. Dabei sind die Stelleinrichtungen 4 und die Leiterbefestigungseinrichtungen 2 voneinander beabstandet, wobei an einem Ende der Stelleinrichtungen 4 die Einlegeeinrichtung 3 angeordnet ist. Jeweils eine Stelleinrichtung 4 weist eine Verschiebeführung 5 für eine relative Verschiebung der Einlegeeinrichtung 3 gegenüber der Leiterbefestigungseinrichtung 2 auf.In this case, the ladder head safety device 1 has two
Dabei ist in einem ersten, nicht arretierten Zustand die Einlegeeinrichtung 3 gegenüber den Leiterbefestigungseinrichtungen 2 mittels der Stelleinrichtungen 4 verschiebbar und drehbar. Mit der vorliegenden Leiterkopfsicherung 1 ist es möglich, die Einlegeeinrichtung 3 entlang der Verschiebeführungen 5 zu verschieben. Auf diese Weise kann der Abstand zwischen den Leiterbefestigungseinrichtungen 2 oder der Querstrebe 13 zur Einlegeeinrichtung 3 verändert werden. Dadurch kann die Leiterkopfsicherung 1 nach dem Anbringen an einer Leiter optimal auf zum Beispiel den Abstand einer Sprosse einer Leiter zu dem Grund einer Dachrinne, in welcher die Einlegeeinrichtung 3 positioniert wird, angepasst werden.In this case, in a first, non-locked state, the
Hingegen ist in einem zweiten, arretierten Zustand die Einlegeeinrichtung 3 gegenüber den Leiterbefestigungseinrichtungen 2 arretiert.On the other hand, in a second, locked state, the
Nachfolgend wird das Ausführungsbeispiel aus den
Unter Bezugnahme auf
Das Halteelement 9 ist ähnlich einem U-Profil ausgestaltet, welches eine Sprosse einer Leiter umgreifen kann. Um das offene U-Profil zu verschließen bzw. das Halteelement 9 der Leiterbefestigungseinrichtung 2 an der Sprosse einer Leiter zu sichern, ist die Haltesicherung 14 an der offenen Seite des U-Profils angeordnet.The holding
Die Haltesicherung 14 ist als einfacher Klappsplint bzw. Klappstecker ausgebildet, welcher durch zwei Löcher am offenen Ende des U-Profils geführt ist. Auf diese Weise kann die Leiterkopfsicherung 1 bzw. die Leiterbefestigungseinrichtung 2 einfach und schnell an einer Sprosse angebracht und ebenso wieder abgenommen werden. Die Sicherung des Klappsplints sorgt für die Einhaltung der korrekten Position desselben am Halteelement 9.The retaining
Das Verbindungselement 10, welches sich in entgegengesetzter Richtung zur Öffnungsrichtung der Öffnung O des U-Profils des Halteelements 9 erstreckt, weist eine erste Aufnahme 11 für die Arretiereinrichtung 6 und eine zweite Aufnahme 12 für die Querstrebe 13 auf.The connecting
Für die Aufnahme 11 für die Arretiereinrichtung sind verschiedene Ausführungen möglich, so ist es zum Beispiel möglich, dass die Aufnahmen ein Gewinde aufweisen, in welches die Arretiereinrichtung 6 eingreift. Es ist aber auch möglich, dass die Aufnahme 11 als Durchgangsloch ausgebildet sind, in welches eine Schraube einführbar ist, die mit der Arretiereinrichtung 6 zusammenwirkt.Various designs are possible for the
In den
Hierbei ist die Einlegeeinrichtung 3 ähnlich einer Stange langgestreckt ausgebildet. An einem Ende der Stelleinrichtung 4 ist die Einlegeeinrichtung 3 angeordnet bzw. befestigt. Die Einlegeeinrichtung 3 kann in den zur Wsserführung vorgesehenen Bereich einer Dachrinne eingelegt werden.In this case, the
Unter Bezugnahme auf die
Wie bereits oben erläutert, umfasst die Stelleinrichtung 4 eine Verschiebeführung 5 für eine relative Verschiebung der Einlegeeinrichtung 3 gegenüber der Leiterbefestigungseinrichtung 2.As already explained above, the adjusting
Hierbei verbindet die Stelleinrichtung 4 die Leiterbefestigungseinrichtung 2 mit der Einlegeeinrichtung 3, wobei an der Stelleinrichtung 4 die Einlegeeinrichtung 3 und die Verschiebeführung 5 an der ersten Aufnahme 11 der Leiterbefestigungseinrichtung 2 angeordnet ist.In this case, the adjusting
Die Verschiebeführung 5 der Stelleinrichtung 4 umfasst im vorliegenden Beispiel ein Langloch 8. Die Stelleinrichtung 4 ist aus einem Flachrpofil ausgeschnitten und weist ferner einen Mindestverstellbereich bzw. ein Langloch 8 von mindestens 15 cm auf. Mithilfe des Langlochs 8 kann also die Einlegeeinrichtung 3 entlang des Langlochs 8 verschoben werden.In the present example, the
Anders ausgedrückt ist die Stelleinrichtung 4 entlang einer Verschiebeachse V, welche von dem Langloch 8 gebildet wird, verschiebbar angeordnet. Wie in
In den
Wenn die Leiterkopfsicherung 1 an einer Leiter befestigt ist, ist die Drehachse A im Wesentlichen parallel zu einer Sprosse der Leiter ausgerichtet. Dieser Sachverhalt ist in
Die Stelleinrichtung 4 ist entlang der Verschiebeachse V, die senkrecht zu der Drehachse A orientiert ist, verschiebbar an der Leiterbefestigungseinrichtung 2 angeordnet.The adjusting
Nachfolgend wird unter Bezugnahme auf die
Die ein Teil der Verschiebeführung 5 der Stelleinrichtung 4 ist zwischen der Arretiereinrichtung 6 und der Leiterbefestigungseinrichtung 2 bzw. dem Verbindungselement 10 und der Einlegeeinrichtung 3 angeordnet. Ein zweiter Teil wird von einem Schraubelement der Arretiereinrichtung 6 gebildet, wobei die beiden Teile der Verschiebeführung 5 aneinander geführt sind. Auf diese Weise kann die Arretiereinrichtung 6 mittels Kraftschluss eine relative Bewegung der Einlegeeinrichtung 3 gegenüber der Leiterbefestigungseinrichtung 2, insbesondere eine relative Bewegung der Stelleinrichtung 4 gegenüber der Leiterbefestigungseinrichtung 2, lösbar arretieren. Dabei ergibt sich ein Kraftschluss durch Heranrücken der Arretiereinrichtung 6 an das Verbindungselement 10, wodurch die Stelleinrichtung 4 zwischen der Arretiereinrichtung 6 und dem Verbindungselement 10 geklemmt wird.One part of the
Anders ausgedrückt ist es möglich, die Verschiebung der Einlegeeinrichtung 3 entlang der Verschiebeachse V und die Drehung der Einlegeeinrichtung 3 die Drehachse A mittels der Arretiereinrichtung 6 zu arretieren bzw. festzusetzen.In other words, it is possible to lock or fix the displacement of the
Bei einer alternativen Ausgestaltung der Arretiereinrichtung 6 (nicht dargestellt) umfasst diese eine Verschiebeführung, die zum Klemmen der Stelleinrichtung 4 von außen ausgestaltet ist. Dabei umgreift die Schiebeführung wenigstens zum Teil bzw. teilweise die Stelleinrichtung 4 von außen. Auch hier ist die Stelleinrichtung 4 zum Einstellen des Abstands von der Einlegeeinrichtung 3 zur Leiterbefestigungseinrichtung 2 langgestreckt ausgebildet.In an alternative embodiment of the locking device 6 (not shown), this includes a displacement guide, which is designed for clamping the
Folglich ist also die Arretiereinrichtung 6 auch in der alternativen Ausgestaltung in der Lage, mithilfe der Verschiebeführung die Stelleinrichtung 4 zu arretieren und somit den Abstand der Einlegeeinrichtung 3 zur Leiterbefestigungseinrichtung 2 bzw. zur Sprosse einer Leiter, an welcher die Leiterkopfsicherung 1 angeordnet ist, einzustellen.Consequently, the
Das in den
In einem ersten, nicht arretierten Zustand ist die Einlegeeinrichtung 3 gegenüber der Leiterbefestigungseinrichtung 2 mittels der Stelleinrichtung 4 verschiebbar und drehbar, wobei in einem zweiten, arretierten Zustand die Einlegeeinrichtung 3 gegenüber der Leiterbefestigungseinrichtung 2 arretiert ist.In a first, unlocked state, the
Anders ausgedrückt sind im zweiten, arretierten Zustand die Verschiebung der Einlegeeinrichtung 3 entlang der Verschiebeachse V und die Drehung der Einlegeeinrichtung 3 um die Drehachse A arretiert.In other words, in the second, locked state, the displacement of the
Während in dem ersten, nicht arretierten Zustand die Stelleinrichtung 3 von der Leiterbefestigungseinrichtung 3 lösbar angeordnet ist, sind im zweiten, arretierten Zustand der Leiterkopfsicherung 1 die Leiterbefestigungseinrichtung 2, die Einlegeeinrichtung 3, die Stelleinrichtung 4 und die Arretiereinrichtung 6 aneinander fest angeordnet.While in the first, non-locked state, the adjusting
In
An der dargestellten Anordnung ist zu erkennen, dass die Leiterkopfsicherung 2 derart verstellbar ist, dass die Position der Einlegeeinrichtung 3 im an der Leiter befestigten Zustand der Leiterkopfsicherung 1 näherungsweise in Richtung der Schwerkraft G verschiebbar ist.The arrangement shown shows that the ladder
Claims (12)
- Ladder-top securing system (1) by means of which a ladder with rungs and stiles is secured on a roof -gutter, having:- a ladder-fastening device (2),- an insertion device (3) for insertion into a roof-gutter region provided for water-channelling purposes,- a positioning device (4), which connects the ladder-fastening device (2) to the insertion device (3),- wherein the positioning device (4) comprises a displacement guide (5) for displacement of the insertion device (3) relative to the ladder-fastening device (2),characterized in that the ladder-fastening device (2) is connectable to one single rung, wherein, in a state in which it has been inserted into the roof gutter and locked in relation to the ladder-fastening device, the insertion device can be raised up in the roof-gutter and displaced transversely therein.
- Ladder-top securing system according to Claim 1,- wherein, in a first, non-locked state, the insertion device (3) can be displaced in relation to the ladder-fastening device (2), and preferably also rotated, by means of the positioning device (4),- wherein, preferably in a second, locked state, the insertion device (3) is locked in relation to the ladder-fastening device (2).
- Ladder-top securing system according to Claim 1 or 2,- wherein the positioning device (4) is arranged such that it can be displaced along a displacement axis (V) and is preferably arranged such that it can be rotated about an axis of rotation (A),- wherein preferably the positioning device (4), for the purpose of adjusting the distance between the insertion device (3) and the ladder-fastening device (2), is of elongate design, and/or- wherein, preferably in the fastened state on the ladder, the axis of rotation (A) is oriented at least more or less parallel to a rung of the ladder, and/or- wherein preferably the positioning device (4) is arranged on the ladder-fastening device (2) such that it can be displaced along the displacement axis (V), wherein the positioning device (4) is oriented preferably at least approximatly at right angles to the axis of rotation (A), and/or- wherein, preferably in the second, locked state, the movement of the insertion device (3) along the displacement axis (V) is locked, and preferably the rotation of the insertion device (3) about the axis of rotation (A) is locked.
- Ladder-top securing system according to one of Claims 1 to 3,- wherein the ladder-top securing system (1) comprises a locking device (6) for locking the positioning device (4) in a releasable manner,- wherein preferably the locking device (6) is connected to the ladder-fastening device (2), and/or- wherein preferably the locking device (6), as seen in relation to a flow of forces which can be transmitted, during operation, from the roof gutter to the ladder via the ladder-top securing system (1), is arranged between the ladder-fastening device (2) and the insertion device (3), and/or- wherein preferably movement of the insertion device (3) relative to the ladder-fastening device (2) in particular movement of the positioning device (4) relative to the ladder-fastening device (2), can be released and locked by the locking device (6), by way of a frictional connection, and/or- wherein the movement of the insertion device (3) along the displacement axis (V), and preferably also the rotation of the insertion device (3) about the axis of rotation (A), can be locked preferably by means of the locking device (6), in particular in the same locking operation, and/or- wherein preferably part of the displacement guide (5) on the positioning device (4), as seen in relation to a flow of forces which can be transmitted, during operation, from the roof gutter to the ladder via the ladder-top securing system (1), is arranged between the locking device (6) and the ladder-fastening device (2).
- Ladder-top securing system according to one of Claims 1 to 4,- wherein the insertion device (3) is of elongate design,- wherein preferably the insertion device (3) is arranged on the positioning device (4).
- Ladder-top securing system according to either of Claims 4 and 5, wherein the locking device (6) comprises part of the displacement guide (5), by means of which the part of the displacement guide (5) is clampable on the positioning device (4).
- Ladder-top securing system according to one of Claims 1 to 6,- wherein the displacement guide (5) of the positioning device (4) comprises a slot (8),- wherein preferably part of the locking device (6) engages in the slot (8), such that the slot (8) is guided on the locking device (6).
- Ladder-top securing system according to one of Claims 1 to 7,- wherein the locking device (6) engages around the positioning device (4) from the outside at least to some extent, such that the positioning device (4) is guided in the locking device (6).
- Ladder-top securing system according to one of Claims 1 to 7, wherein the ladder-fastening device (2) comprises:- a holding element (9), which preferably has a U profile for engaging around a rung of a ladder,- preferably a connecting element (10), which extends preferably in the direction opposite to the opening (0) of the U profile of the retaining element (9), and/or- preferably the connecting element (10) has a first mount (11) for a locking device (6) and preferably a second mount (12) for a transverse strut (13), and/or- preferably a retaining safeguard (14), which preferably closes the open U profile of the holding element (9).
- Ladder-top securing system according to one of Claims 1 to 9,- having two positioning devices (4), two locking devices (6) and an insertion device (3),- wherein the positioning devices (4) are spaced apart from one another and the insertion device (3) is arranged at one end of each of the positioning devices (4).
- Ladder-top securing system according to one of Claims 1 to 9,- wherein, in the second, locked state of the ladder-top securing system (1), the ladder-fastening device (2), the insertion device (3), the positioning device (4) and the locking device (6) are fixed to one another,- wherein preferably the positioning device (4) has a minimum adjustment range of at least 15 cm, and/or- wherein preferably the displacement guide (5) of the positioning device (4) is arranged on the first mount (11) of the connecting element (10), and/or- wherein preferably the ladder-fastening device (2) can be adjusted such that, in the state in which the ladder-top securing system is fastened on a ladder, the position of the insertion device (3) can be displaced approximately in the direction of gravitational force.
- Method for securing a ladder using a ladder-top securing system (1) according to one of the preceding claims,- wherein the ladder is placed at a predetermined angle against a roof gutter, a person climbs up the ladder, and- then the insertion device (3) of the ladder-top securing system (1) is inserted, by virtue of the positioning device (4) being adjusted, into the region of the roof gutter which is provided for water-channelling purposes, and- then the locking device (6) is locked, such that the ladder is secured by means of the ladder-top securing system (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22000135.8A EP4151824A1 (en) | 2015-06-18 | 2016-06-20 | Ladder head securing device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202015004485 | 2015-06-18 | ||
PCT/EP2016/064111 WO2016203034A1 (en) | 2015-06-18 | 2016-06-20 | Ladder top securing system |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP22000135.8A Division EP4151824A1 (en) | 2015-06-18 | 2016-06-20 | Ladder head securing device |
EP21000271.3 Division-Into | 2021-09-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3341554A1 EP3341554A1 (en) | 2018-07-04 |
EP3341554B1 true EP3341554B1 (en) | 2022-05-18 |
Family
ID=65036059
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16730384.1A Active EP3341554B1 (en) | 2015-06-18 | 2016-06-20 | Ladder top securing system |
EP22000135.8A Pending EP4151824A1 (en) | 2015-06-18 | 2016-06-20 | Ladder head securing device |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP22000135.8A Pending EP4151824A1 (en) | 2015-06-18 | 2016-06-20 | Ladder head securing device |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP3341554B1 (en) |
DK (1) | DK3341554T3 (en) |
ES (1) | ES2925923T3 (en) |
HU (1) | HUE060196T2 (en) |
PL (1) | PL3341554T4 (en) |
WO (1) | WO2016203034A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022121403A1 (en) | 2022-08-24 | 2024-02-29 | Andreas Stöter | Safety device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2430513A1 (en) * | 1978-07-06 | 1980-02-01 | Thuilier Christian | Safety fitting to secure ladder to roof gutter - uses double jaw screw clamp to grip ladder and has frame which fits in gutter |
BE1010158A6 (en) * | 1996-04-30 | 1998-02-03 | Donvil Guy | Mechanical safety system for keeping a ladder at the level of a building roof |
US7134525B1 (en) * | 2004-03-23 | 2006-11-14 | Ferris John N | Ladder stabilization apparatus and system |
AT511459B1 (en) | 2012-02-29 | 2012-12-15 | Wolfgang Tomandl | Securing element for attachment to a rung ladder |
DK177859B1 (en) * | 2013-03-18 | 2014-10-06 | Nilsson Jesper Krogh | Stigeholder til stige |
-
2016
- 2016-06-20 PL PL16730384.1T patent/PL3341554T4/en unknown
- 2016-06-20 DK DK16730384.1T patent/DK3341554T3/en active
- 2016-06-20 ES ES16730384T patent/ES2925923T3/en active Active
- 2016-06-20 WO PCT/EP2016/064111 patent/WO2016203034A1/en active Application Filing
- 2016-06-20 EP EP16730384.1A patent/EP3341554B1/en active Active
- 2016-06-20 EP EP22000135.8A patent/EP4151824A1/en active Pending
- 2016-06-20 HU HUE16730384A patent/HUE060196T2/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2016203034A1 (en) | 2016-12-22 |
PL3341554T4 (en) | 2023-02-27 |
DK3341554T3 (en) | 2022-08-22 |
EP3341554A1 (en) | 2018-07-04 |
PL3341554T3 (en) | 2022-09-19 |
HUE060196T2 (en) | 2023-02-28 |
ES2925923T3 (en) | 2022-10-20 |
EP4151824A1 (en) | 2023-03-22 |
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