EP4174281A1 - Echelle de toit d'une construction et toit comprenant une telle échelle de toit - Google Patents

Echelle de toit d'une construction et toit comprenant une telle échelle de toit Download PDF

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Publication number
EP4174281A1
EP4174281A1 EP22201154.6A EP22201154A EP4174281A1 EP 4174281 A1 EP4174281 A1 EP 4174281A1 EP 22201154 A EP22201154 A EP 22201154A EP 4174281 A1 EP4174281 A1 EP 4174281A1
Authority
EP
European Patent Office
Prior art keywords
roof
roof ladder
ladder
bars
rung
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.)
Pending
Application number
EP22201154.6A
Other languages
German (de)
English (en)
Inventor
Peter TOMEINSCHITZ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Frato Betriebs GmbH
Original Assignee
Frato Betriebs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Frato Betriebs GmbH filed Critical Frato Betriebs GmbH
Publication of EP4174281A1 publication Critical patent/EP4174281A1/fr
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
    • E06C1/345—Ladders attached to structures, such as windows, cornices, poles, or the like specially adapted to be installed parallel to the roof surface
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
    • E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
    • E06C1/10—Sections fitted end to end
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • E06C7/082—Connections between rungs or treads and longitudinal members
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/18—Devices for preventing persons from falling
    • E06C7/181—Additional gripping devices, e.g. handrails
    • E06C7/183—Additional gripping devices, e.g. handrails situated along the ladder
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/18—Devices for preventing persons from falling
    • E06C7/186—Rail or rope for guiding a safety attachment, e.g. a fall arrest system
    • E06C7/187—Guiding rail

Definitions

  • the invention relates to a kit for a roof ladder of a structure, such as a building, a roof ladder and a roof comprising such a roof ladder.
  • Roof ladders are used to safely access roofs, e.g. by users such as maintenance personnel, craftsmen or chimney sweeps. In this case, such roof ladders are stationary, so run firmly with the roof. In contrast to leaning ladders, they are not intended for temporary but permanent use or attachment to the roof (on the roof skin or the roof structure) and must also withstand the corresponding weather conditions.
  • Such roof ladders must always be adapted to the pitch of the roof. These include two stiles to which rungs are attached. In order to increase safety when walking on them, the rungs must have a comparatively large tread surface. The stepping surface should be aligned as horizontally as possible in order to ensure that the user can climb the roof ladder safely. Uneven rungs, i.e. rungs that are inclined to the horizontal plane, can lead to a disturbed sense of balance in the user and, as a result, to a fall. In order to meet these requirements, a separate roof ladder must be kept in stock for each roof pitch (e.g. between 10° and 45°), with treads aligned parallel to the horizontal plane, i.e. appropriately rotated rungs. Each such roof ladder must also be checked for safety by a technical testing organization in the course of sampling. A separate roof ladder adapted to this is required for each roof pitch, which in turn entails a large number of samples.
  • each roof pitch e.g. between 10° and 45°
  • the present invention relates to the objects mentioned at the outset.
  • a kit according to the invention for a roof ladder of a structure comprises two stiles and a plurality of rungs which can be connected to the stiles, the stiles having a plurality of markings for each rung, each marking indicating a different position of the rung relative to the stiles displays, so that the position of the rung in relation to the bars can be individually adjusted depending on the marking.
  • the markings preferably indicate different angles of inclination of the rung parallel to the longitudinal axis of the respective rung in order to adapt the rungs of the roof ladder to the roof pitch of a roof on which the roof ladder can be mounted.
  • the term position means the angular position of the rungs relative to the stiles. In this way, the rungs can be aligned with their treads parallel to each other on the corresponding roof pitch with respect to the spars. Thanks to the specified markings, it is no longer necessary to measure each rung individually during assembly to determine whether it is parallel to the other rungs or to the horizontal plane. Because of the markings, this is automatically achieved when selecting the marking corresponding to the respective roof pitch.
  • the markings can be in the form of several through-holes made in the bars and the through-holes can preferably be distributed over the circumference of a circular arc, such as a ring of holes, with the division angle, which describes the distance between two adjacent through-holes on the circular arc, preferably from through-hole to Through-hole is the same and is preferably 5°, 10° or 15°, and the markings preferably also include a centering hole that lies in the center of the circular arc. If the markings are through holes, the hole does not have to be drilled when assembling the roof ladder. This significantly reduces the amount of work involved in assembling the roof ladder from the kit.
  • each rung on each side facing the stile can have at least two attachment points by means of a positive and/or non-positive connection to the stile be attachable. In this way, a secure anchoring of the rung on the rail can be guaranteed.
  • the markings on the bars and the at least two attachment points on the rungs can be designed to complement each other in such a way that, depending on the selected position of the rung on the bar, the at least two attachment points always overlap with at least two of the markings on the respective bar, with preferably the number of markings on the bars is greater than the number of attachment points for the rungs or steps. This makes it easier to assemble the roof ladder and prevents incorrect assembly, since the markings are already fixed.
  • the different markings on the bars can also indicate the attachment points of the rungs on the bar.
  • each rung can be brought congruently with its one fastening point to the centering hole and with its at least one further fastening point congruently to a through-hole on the arc of the spar.
  • each rung can have exactly three attachment points on each of its sides facing the bars, with two of the attachment points being spaced apart from one another by the pitch angle or a multiple thereof on the circular arc, so that the two attachment points are congruent with two corresponding through-holes at the complementary pitch angle the arc of the spar can be brought. This achieves a particularly strong anchoring of the rungs in the stile.
  • a spar can be produced from a plurality of spar elements that can be connected to one another.
  • the rail elements can preferably be connected to one another at their ends in a non-positive and/or positive manner, with the connection preferably being able to be designed to be detachable. This construction facilitates inventory and shipping of the kit, since longer sections of the ladder can be modularly constructed from several shorter pieces.
  • At least two individual attachment points can be arranged on at least one spar, preferably along its entire length, with an attachment device for fall protection on the individual attachment points user of the roof ladder can be attached, wherein the attachment device or attachment points can preferably be designed for anchoring or guiding a cable of a user's tether along the spar and the attachment device can preferably be embodied as a cable or rod that runs essentially parallel to the spar can. In this way, fall protection can easily be integrated into the roof ladder. Substantially parallel means that the rod runs parallel to eg the spar over most of its length, eg at least 70%.
  • the axial ends of the rod can be bent so that it is C-shaped, ie has a comparatively long part parallel to the spar and two legs that are bent perpendicularly thereto, for example.
  • This has the advantage that if the user falls from the roof ladder, the carabiner of the safety belt rope, which is hooked to the pole, runs down along the pole as the user falls. There he hits the leg of the rod, so that the carabiner is in the extension of the rope downwards, so that the force acts on the carabiner in the direction, namely in the longitudinal direction (and not in bending).
  • the bars of the roof ladder can be connected to one another via a crossbar, to which a holding device for anchoring the roof ladder in the roof skin or the roof structure can be attached, with the crossbar preferably being at least partially designed as a threaded rod, passed through corresponding recesses in the bars and by means of nuts screwed to the spars.
  • the crossbar preferably being at least partially designed as a threaded rod, passed through corresponding recesses in the bars and by means of nuts screwed to the spars.
  • the positive and/or non-positive connection can preferably be in the form of screws, preferably thread-forming screws such as self-tapping screws and particularly preferably rustproof screws. Such a construction can be dismantled simply by loosening the screws.
  • the rungs can be arranged inside the rails or rail elements, ie they do not look beyond their borders.
  • the rungs can be designed in such a way that, regardless of their chosen position, they are always arranged within the boundary of the rails or rail elements and do not protrude beyond them.
  • the invention also relates to a roof ladder of a structure, such as a building, comprising two uprights and a plurality of rungs connectable to the uprights, the uprights having a rung marker for individually adjusting the position of the rungs relative to the uprights ,
  • the roof ladder being obtainable in particular from a kit according to the invention.
  • the invention relates to a roof of a structure, such as a building, comprising a roof ladder according to the invention, the roof ladder being obtainable in particular from a kit according to the invention.
  • the present invention also relates to a structure, such as a building, comprising a roof and a roof ladder according to the invention, which can preferably be achieved using the kit.
  • a roof ladder can be specified by means of the invention, the rungs of which can be adapted to predetermined roof pitches.
  • the rails and the rungs can always remain the same, so that a single kit enables a roof ladder that can be adapted to different, predetermined roof pitches on site, for example.
  • the roof ladder 1 comprises two bars 2 arranged parallel to one another, which are connected to one another by rungs or steps 3 .
  • the rungs 3 are already in the assembled state.
  • a spar 2 is produced from a plurality of spar elements 4, here two that can be connected to one another.
  • the spar elements 4 can be connected to one another via a non-positive and/or positive connection at their ends facing one another in order to be joined to form a single, coherent spar 2 .
  • the connection can be detachable.
  • a separate part, such as a connector 5, which overlaps both ends of the spar elements 4, can be provided for the connection.
  • a stop device 6 for securing a user of the roof ladder 1 from falling can be arranged on at least one side of the roof ladder 1, ie on at least one spar 2.
  • the attachment device 6 can comprise at least two individual attachment points per spar 2 or spar element 4 .
  • the at least two individual attachment points can preferably be used to hold or guide a cable of a user's tether along the rail 2 or the rail element 4 .
  • the stop device 6 can be designed as a rod, as shown here, and run parallel to the beam 2 or beam element 4 .
  • the bar connects at least two individual attachment points with each other. As shown, it can be C-shaped, i.e. have a comparatively long part parallel to the beam 2 and two legs bent perpendicularly thereto, for example.
  • the stop device 6 can in each case extend from one end of a spar element 2 to its other end. It can be fastened on the one hand to an endpoint 7, 8 and on the other hand to, for example, the connector 5, for example by means of screws. If the user climbs the roof ladder from the bottom up, for example, when he reaches the upper rail element 4 he must unhook the rope of his safety belt from the lower attachment device 6 of the lower rail element 4 and hook it into the upper attachment device 6 of the upper rail element 4.
  • the stop device 6 bridges several rail elements 4, that is to say runs from an upper to a lower end of the entire rail 2, that is to say over its entire length. In this way, the roof ladder 1 can be easily walked on by the user along the entire length of the spar 2 without the user having to unlatch the rope between two consecutive attachment devices 6 .
  • In 2 1 is a schematic side view of a roof comprising a roof ladder 1 according to a further embodiment.
  • a crossbar 9, whose longitudinal axis runs parallel to the rungs 3, can be used to anchor the roof ladder 1 in the roof skin or the roof structure.
  • the crossbar 9 can be connected to the roof structure, ie the battens here, via a holding device 10 .
  • the crossbar 9 can be at least partially (ie only over part of its entire length) designed as a threaded rod and passed through corresponding recesses in the spars 2 or spar elements 4 and screwed to them by means of nuts.
  • the crossbar 9 can also be designed as a threaded rod over its entire length.
  • the crossbar 9 can be attached to the holding device 10, for example via its thread or threaded section by nuts on the crossbar 9 can be releasably fixed, see the two nuts in the middle of the crossbar 9 and the representation of 4 .
  • a top view of a possible embodiment of the roof ladder 1 is shown there.
  • the partially cut detail shows the possible cross-sectional profile of the rung 3.
  • the holding device 10 can have a corresponding through-opening for the crossbar 9 at one end (see 2 ) include and at the other end of the roof structure or the roof skin can be fastened, for example by screws.
  • the holding device 10 can be made of flat material, such as sheet metal, preferably a non-rusting material.
  • the crossbar 9 can be arranged directly below one rung 3 in such a way that it covers the crossbar 9, as is the case, for example, in 4 is indicated.
  • One, two or up to three such crossbars 9 can be provided for each spar 2 or spar element 4, for example at one end, at both ends of the spar 2 or of the spar element 4 or additionally in the middle thereof.
  • the crossbars 9 can be passed through the connectors 5 or the end points 7, 8 (see 2 , 4 ) passed through and screwed to them.
  • the bars 2 include several markings 11 for the rungs 3.
  • the markings 11 are used to indicate different angles of inclination of the rung 3 parallel to its longitudinal axis, in order to adapt the rungs 3 of the roof ladder 1 to the pitch of the roof on which the roof ladder 1 can be mounted is to adapt.
  • the markings 11 are in the form of through holes 12 and a centering hole 13 .
  • the markings 11 are used when assembling the roof ladder 1 from Individual parts as an orientation, on the one hand at which point and on the other hand in which position the rungs 3 are to be attached to the bars 2 or the bar elements 4.
  • the markings 11 are designed in such a way that the rungs 3 can be in different positions, preferably angular positions in relation to the bars 2 .
  • the rungs 3 can be adapted to a predetermined roof pitch in such a way that their treads always remain parallel to one another and parallel to the horizontal plane.
  • the setting of the position of the rungs 3 relative to the spar 2 for different roof pitches is in the Figures 3a to 3d illustrated.
  • the through holes 12 made in the bars 2 are distributed around the circumference of a circular arc, such as a circle of holes.
  • Their division angle which describes the distance between two directly adjacent through-holes 12 on the arc of a circle, is 10° from through-hole 11 to through-hole 11, for example.
  • the centering hole 13 is arranged in the center of the circular arc or ring of holes.
  • the rungs 3 have three attachment points 14, 15, 16 for attachment to the rail 2 or the rail element 4.
  • the attachment points 14, 15, 16 are dimensioned in terms of their distance from one another such that they can be aligned with the markings 11, in particular the through holes 12 and the centering hole 13 can be brought into congruence, i.e. are designed to be complementary to one another.
  • the attachment points 15, 16 are dimensioned in relation to the attachment point 14 so that they lie on the same arc (i.e. have the same radius) as the through holes 12 of the bars 2 in relation to the centering hole 13.
  • the attachment points 15, 16 of the Rung 3 can be spaced from each other by the same or a multiple of the pitch angle on the circular arc.
  • the division angle of said attachment points 15, 16 corresponds to that of the ring of holes of the spar 2, is therefore identical to this. You can see in the Figures 3a-3d that in the present case the two attachment points 15, 16 of the rung 3 are arranged spaced apart from one another by twice the pitch angle.
  • Figure 3b shows the setting of the rungs 3 with respect to the beam 2 on a roof pitch of 35°.
  • the attachment points 15, 16 of the rung 3 in contrast to the representation in the Figure 3a further pivoted downwards about a through hole 11 on the circular arc or ring of holes of the spar 2, that is to say here by a pitch angle of 10°.
  • 3c roof pitch of 25°
  • these are in turn pivoted further around a through hole 11 of the spar 2 than in Figure 3b .
  • the 3d finally shows the adjustment of the rungs 3 in their position relative to the bars 2 to a roof pitch of 15 °.
  • the rungs are pivoted further down by 30°, they engage in the two lowest through-holes 12 of the bars 2.
  • the rungs 3 could also be riveted to the spars 2 or spar elements 4 .
  • the two bars 2 or bar elements 4 are placed parallel to one another, for example on the floor. Then the rungs 3 are distributed between the bars 2 at a distance from one another.
  • the rungs 3 are first, for example, individually and successively brought with their one attachment point 14 in line with the centering hole 13 of the spar 2 and connected to it via the form-fitting and/or non-positive connection. This is preferably carried out for all rungs 3 of the rail 2 or rail element 4 . This gives the roof ladder 1 a certain stability during assembly, because the rungs 3 are already held on the bars 2, which means that they can also be assembled by just one fitter.
  • the screw that is at least partially screwed into the first fastening point 14 and the centering hole 13 serves as the axis of rotation for setting the position relative to the bars 2.
  • the corresponding rung 3 can thus be easily rotated about this axis of rotation to the other attachment points 15, 16 with the corresponding markings 11 to bring the through holes 12 on the spar 2 in line here.
  • the rung 3 After at least one further, still loose attachment point 15, 16 of the corresponding rung 3 has been aligned with the complementary marking 11 resulting in the desired roof pitch or the through hole/holes 11 of the rail 2 or rail element 4, the rung 3 also connected to the beam 2 by means of the positive and/or non-positive connection. Again, this happens rung by rung.
  • several individual spar elements 4 can be connected to form a respective spar 2, e.g. by means of connectors 5. Then the end points 7, 8 are screwed to the spar 2 and after this the stop devices 6 can now be attached.
  • a crossbar 9 can be inserted into the rails 2 or rail elements 4 at both ends of the roof ladder 1 or the rail 2 or the rail element 4.
  • the holding device 10 is mounted on the crossbar 9 .
  • the roof ladder 1 constructed in this way from the kit can now be mounted on the roof skin or the roof structure of the roof.
  • all elements of the kit but preferably at least the spars 2 or spar elements 4, the rungs 3, as well as the crossbar 9 and the holding device 10 can be made of a rustproof material such as a light metal or aluminum alloy. This also applies to the screw connections mentioned.
  • the rungs 3 can be made from a hollow profile which is essentially C-shaped in cross section.
  • a roof ladder can be specified whose treads (rungs) are always designed parallel to one another and inclined to the horizontal plane, depending on the existing, predetermined roof pitch of the building. Since a kit now covers several roof pitches, a separate roof ladder adapted to it no longer needs to be stocked for each roof pitch. It is also no longer necessary for every roof ladder specially adapted to the corresponding roof pitch to be individually tested for safety by a technical testing organization. This reduces the storage and testing costs for such a roof ladder according to the invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)
EP22201154.6A 2021-10-28 2022-10-12 Echelle de toit d'une construction et toit comprenant une telle échelle de toit Pending EP4174281A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021128083.4A DE102021128083A1 (de) 2021-10-28 2021-10-28 Bausatz für eine dachleiter eines bauwerks, wie gebäude, dachleiter sowie dach umfassend eine solche dachleiter

Publications (1)

Publication Number Publication Date
EP4174281A1 true EP4174281A1 (fr) 2023-05-03

Family

ID=83691533

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22201154.6A Pending EP4174281A1 (fr) 2021-10-28 2022-10-12 Echelle de toit d'une construction et toit comprenant une telle échelle de toit

Country Status (2)

Country Link
EP (1) EP4174281A1 (fr)
DE (1) DE102021128083A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3299590A (en) * 1964-06-01 1967-01-24 Carter Lavoy Prefabricated, adjustable stairway, ramp or bridge
WO2001002689A1 (fr) * 1999-07-02 2001-01-11 Franz Reisner Auxiliaire de pente pour versant de toit incline
DE202010014024U1 (de) * 2010-10-08 2010-12-09 Himmelsbach Leitern- & Gerüstefabrik GmbH Leiterelement, insbesondere für eine Dachleiter
EP2952654A1 (fr) * 2014-06-04 2015-12-09 ATL Limited Rail de sécurité, chariot de sécurité et system de sécurité pour empêcher une chute

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631880A (en) 1983-06-27 1986-12-30 Leicht Charles L Adjustable staircases
GB2580019A (en) 2018-11-20 2020-07-15 Safesite Isle Of Wight Ltd Adjustable staircase

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3299590A (en) * 1964-06-01 1967-01-24 Carter Lavoy Prefabricated, adjustable stairway, ramp or bridge
WO2001002689A1 (fr) * 1999-07-02 2001-01-11 Franz Reisner Auxiliaire de pente pour versant de toit incline
DE202010014024U1 (de) * 2010-10-08 2010-12-09 Himmelsbach Leitern- & Gerüstefabrik GmbH Leiterelement, insbesondere für eine Dachleiter
EP2952654A1 (fr) * 2014-06-04 2015-12-09 ATL Limited Rail de sécurité, chariot de sécurité et system de sécurité pour empêcher une chute

Also Published As

Publication number Publication date
DE102021128083A1 (de) 2023-05-04

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