EP3406821B1 - Treppenmodul für wendeltreppe mit sechseckigem querschnitt, anordnung mit mindestens einem solchen modul und treppe, die mindestens eine solche anordnung umfasst - Google Patents

Treppenmodul für wendeltreppe mit sechseckigem querschnitt, anordnung mit mindestens einem solchen modul und treppe, die mindestens eine solche anordnung umfasst Download PDF

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Publication number
EP3406821B1
EP3406821B1 EP18173589.5A EP18173589A EP3406821B1 EP 3406821 B1 EP3406821 B1 EP 3406821B1 EP 18173589 A EP18173589 A EP 18173589A EP 3406821 B1 EP3406821 B1 EP 3406821B1
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EP
European Patent Office
Prior art keywords
post
staircase
module
corner
posts
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Application number
EP18173589.5A
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English (en)
French (fr)
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EP3406821A1 (de
Inventor
Fabrice Fay
Michel Gobert
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Mills SA
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Mills SA
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Priority claimed from FR1754501A external-priority patent/FR3066516B1/fr
Application filed by Mills SA filed Critical Mills SA
Publication of EP3406821A1 publication Critical patent/EP3406821A1/de
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
    • E04F11/035—Stairways consisting of a plurality of assembled modular parts without further support
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
    • E04F11/032—Spiral stairways supported by a central column

Definitions

  • the invention relates to the field of modular helical or rotating staircases, indoor or outdoor, allowing the movement of people between a low area and a high area of staircase installation, which is not of the integrated type. or associated with scaffolding, and, in general, does not constitute a work station, or is not associated with such a station, but only allows access from the ground, or a low level, to serve a single high level, or vice versa.
  • a module for the construction of a temporary staircase comprising a frame and steps secured to said frame. It describes a stair module for a helical modular staircase with a hexagonal horizontal cross section, delimited by vertical angle uprights around a vertical central upright, said module comprising a central pole with a substantially vertical axis and having steps of substantially triangular shape, including a low step and a high step, extending in horizontal planes perpendicular to the axis of the central post and radially from said central post, to which the steps are each secured by a narrow edge of internal radial end , said steps being each secured by a wide edge of radial end external to a single stringer in the form of a substantially flat plate and parallel to the axis of the central post, the stringer having a lower part and a high part secured to the edge of the wide edge respectively of the low step and the high step, the module having posts x angle of axes parallel to the axis of
  • the document WO2017 / 191391 A1 discloses a set of modular elements for making a temporary rotating site staircase, the modular elements of the assembly ensuring an assembly of the provisional spiral staircase.
  • the elements of the assembly are designed to be assembled directly in a scaffolding structure.
  • the invention relates to a modular helical staircase of horizontal hexagonal cross section, which can be mounted, by non-professional people, from a set of modular elements, the set comprising in particular at least one module staircase with two steps, and preferably a plurality of such modules identical to each other, all the modular elements of the assembly allowing the construction of the staircase being light enough to be easily handled by non-specialized personnel for mounting a modular helical staircase with a simple and economical structure, by implementing a simple mounting process using repeated cycles.
  • the staircase according to the present invention does not have a mold or key to type, as for most scaffolding, and its assembly does not require that the assembly personnel have undergone training, without this compromising safety, during assembly as when using the helical staircase, which is not a temporary staircase.
  • the invention provides a stair module for a helical modular staircase with a hexagonal horizontal cross section, delimited by six vertical angle uprights around a vertical central upright, said module comprising a central post with a substantially axis vertical and two steps of substantially triangular shape, including a low step and a high step, extending in horizontal planes perpendicular to the axis of the central post and radially from said central post, to which the steps are each secured by a narrow edge of internal radial end, said two steps being each secured by a wide edge of external radial end to a single stringer in the form of a substantially flat plate and parallel to the axis of the central post, the stringer having a lower part and a high part secured to the edge of the wide edge respectively of the low step and the high step, and the module comprises nt two corner posts with axes parallel to the axis of the central post, so that the upper ends of the three posts of the module are in the same transverse plane perpendicular to the axe
  • the stair module is such that the central post and the two corner posts are three tubular posts, secured to the two steps and the common stringer, and whose lower ends each consist of one respectively of three sleeves, of which that of the rear corner post is longer than those of substantially the same length of the other two posts and has a bayonet light opening in the lower edge of said sleeve, a locking device corresponding to a radial pin on the upper end of the front corner post or an angle post of the staircase.
  • the module is advantageously such that the three posts of said module are made of metal or light alloy and secured to the steps and to the stringer which are in the same metal or alloy .
  • the sleeve of the rear corner post to protrude below the substantially horizontal plane perpendicular to the axis of the lower end of the central post and of the front corner post whose sleeves are of substantially identical height.
  • the stringer has a substantially rectangular lower part with lower and upper edges substantially parallel to the step. low, and a high part in the shape of a substantially inverted U, with an upper edge substantially parallel to the high step.
  • This embodiment of the stringer also makes it possible to present, at the connection between the lower part of the stringer and the adjacent branch of the U turned over from the upper part of this stringer, a surface large enough for display, by any appropriate means (bonding, painting or other marking) of assembly instructions.
  • the helical staircase of hexagonal section occupies only a limited space, for example in a cylinder of circular section of diameter less than 2 meters, while allowing to stack identical modules on each other so that simultaneously, the two steps of each module have a comfortable support or support surface, the parallel axes of the three posts of the module each pass through one respectively of the three vertices of an equilateral triangle in a transverse sectional plane of the module perpendicular to the axes of said posts, and each step has a plan shape substantially of right triangle.
  • the invention also relates, in a second step, to a set of modular elements, for producing the helical modular staircase of hexagonal horizontal cross section delimited by six vertical angle uprights around a vertical central upright, the assembly comprising a trapezoidal base for the installation of modular elements on the ground, this assembly being characterized in that at least one modular element among said modular elements of the assembly is a staircase module with two steps as presented above , at least a second modular element among the modular elements of the assembly being a railing comprising two vertical tubular uprights of unequal length, braced, in the lower part, by a cross member and in the upper part by at least one, but preferably two, inclined cross-member (s) forming a protective arm (s), the longer of the two supporting railing uprights, projecting laterally rale outwards, a plate in the lower part and each of the two uprights supporting an upwardly projecting sleeve in the upper part, which are parallel to the railing upright, said plate being able to slide around the upper end of the rear corner
  • Such a railing thus mounted in a lateral face of the hexagonal staircase which is delimited by the rear corner post on which one of its two sleeves is mounted, and by the corner post on which the other of its sleeves is mounted, makes it possible to prevent a user from falling over the stringer which is positioned in this lateral face of the staircase, when a next staircase module has been mounted on the one whose rear corner post supports the railing plate.
  • the shorter of the two railing uprights supports, in lateral projection outwards, a hook in the lower part.
  • This hook makes it easier to assemble the railing to the other modular elements and conditions the sequence of assembly steps for the various elements forming the staircase.
  • the second and / or third post may include a pin of a locking device, able to cooperate with at least one light of said locking device which equips a post with a stair module.
  • the set of modular elements for the construction of the staircase also includes an additional modular element arranged as a closing railing of the staircase, comprising two tubular railing uprights, and of the same height, braced by at least two horizontal straight rails, rigidly connected, by each of their two ends, to one of the two railing uprights respectively, one of which upper rail connecting the two upper ends of the two railing uprights, and at least one central rail, so as to form a open frame between the lower ends of these two uprights, said closing railing also comprising, in the lower part of the uprights and projecting laterally outwards, two collars each linked to one of the two uprights, and capable of being removably mounted one around the central upright and the other around a corner upright of the staircase, in the middle part of the uprights and projecting laterally outwards, two plates each linked to one of the two uprights and axis parallel to the latter, and able to slide removably on the central and rear corner posts of another
  • the other stair module on which the closing railing is mounted by its two sleeves is the last module with two steps of the staircase, in the direction of climb, that is to say the highest , the exit of the staircase or its entry, at the upper end of this staircase, being done over the stringer of this last staircase module.
  • the set of modular elements according to the invention also includes , as additional modular elements, seven foot cylinders, each of which is capable of adjusting the height of one respectively of the two corner posts of a first staircase module with two steps, as well as the substantially horizontal trapezoidal base, whose small base and the two inclined sides are of the same length corresponding to one side of the hexagonal section of the staircase, and produced by the assembly of rectilinear sections constituting at least the two bases and the two inclined sides of the 'trapezoidal base, which is capable of receiving a foot jack at each of its four vertices, and capable of adjusting the height of the upright posts delimiting three adjacent faces of the horizontal hexagonal cross section of the modular helical staircase, a foot jack fitted in the middle of the large base of the base.
  • the invention relates, in a third step, to a modular helical staircase of horizontal hexagonal cross section, delimited by six vertical uprights around a vertical central upright, and comprising a set of modular elements specific to the invention and as defined above, the modular elements of which are assembled together.
  • the invention relates, in a fourth step, to an advantageous method of mounting a modular helical staircase according to the invention, this method being characterized in that it comprises a succession of cycles each comprising three stages, the first of which is the provision of a corner post, on a jack or on another identical module previously arranged, the second step of which is to mount a railing, its plate slides around the corner post, then by rotation around said corner post until the hook abuts the rear corner post of said stair module, so that the railing extends into said adjacent face of the staircase hexagonal, so that said corner post delimits with the railing an adjacent face of the hexagonal staircase, and the third step of which is the arrangement of a staircase module with two steps on jacks or on a mo identical dule and a corner upright post previously arranged, and such that the two corner posts of said stair module define a face of the staircase of hexagonal horizontal cross section.
  • the advantage of this process is that at each cycle, a protective railing is mounted even before the two-step module is mounted, the stringer of which is placed in the same side face of the staircase as the guard body considered.
  • the railing is first oriented so that the longest upright of the two uprights of the railing is close to the central post, then, the longest upright of the two uprights of the railing is pivoted around the underlying corner post until the hook abuts the rear corner post of said stair module.
  • the method further comprises a step prior to the first cycle which consists in placing a first step on the base.
  • the helical staircase comprises twelve modules with two steps, or twenty-five steps in all, and rises over a maximum height of approximately 5 meters.
  • the method of mounting such a staircase is such that from the fourth cycle, all of the corner upright posts mounted in the first stage of the cycles are identical to the fourth corner stud post, and each stud post angle is mounted on and in the extension of a front corner post of an underlying stair module.
  • each corner upright post engage in the vertical sleeves projecting from the side of two adjacent neighboring railings previously mounted, so as to stiffen the structure of the stairs.
  • each corner post is fixed by its free end on the corner post previously mounted in an inclined spacer substantially parallel to the beam (s) ) inclined (s) of an underlying railing previously mounted, so as to act as a third inclined rail.
  • the invention proposes a basic module 1, as shown in the Figures 1a, 1b and 4 , with three tubular cylindrical posts 2, 10 and 11, of parallel axes, supporting two steps 3 and 4 whose bearing surfaces extend in planes perpendicular to the axes of the tubular cylindrical posts 2, 10 and 11, and a stringer 7 bordering steps 3 and 4 on a side corresponding to one of the six external lateral faces of the staircase.
  • central post 2 One of the posts is called central post 2, because it participates in the constitution of the vertical central upright of a staircase by the vertical stacking and in the extension of each other of the central posts 2 of all the modules 1 used for the mounting a staircase, as described below with reference to figures 13 to 19 .
  • the two steps are a low step 3 and a high step 4, each in the shape of a right triangle, viewed in plan, as shown respectively on the figures 2 and 3 , and each extending in one respectively of two parallel planes, radially with respect to the axis Z, vertical in the position of use, of the central post 2, to which each step 3, 4 is secured by its internal radial end at a narrow edge 5 in an arc corresponding to the external diameter of the central pole 2.
  • Each step 3, 4 is also secured by a wide edge 6, at its external radial end, to the stringer 7, consisting of a plate plane parallel to the axis Z of the central post 2, and having a lower part 8, substantially rectangular with lower and upper edges substantially parallel to the low step 3, and secured to the edge of the wide edge 6 of the low step 3, and a high part 9, substantially in the shape of an inverted U, with an upper edge substantially parallel to the high step 4, and secured to the edge of the wide edge 6 of the high step 4.
  • the assembly consisting of the central post 2, the two steps 3 and 4 and the stringer 7 is also secured to the other two posts, which are corner posts, contributing to the constitution of the corner uprights of a hexagonal staircase, during the assembly of the plurality of modules 1 that this staircase comprises, as also described below with reference to Figures 14a to 19 .
  • front corner post 10 is called the front corner post 10, and the other rear corner post 11, because they are integral, the first 10 at the front of the step 3, the second 11 at the rear of the high step 4, and both at the stringer 7. More specifically, the front corner post 10 is integral with the nose or front edge 12 of the low step 3 at its outer radial end as well as the wide edge 6 of this bottom step 3 at its front end, and this front corner post 10 is also integral with the bottom part 8 of the stringer 7, at the front end of the latter.
  • the rear corner post 11 is secured to the rear edge 13 of the high step 4 at its outer radial end, as well as to the wide edge 6 of this high step 4 at its rear end, and this rear corner post 11 is also integral with the upper part 9 of the stringer 7 at the rear end of the latter, at the level of a small edge in an arc of a circle which cuts the other non-right vertex of the corresponding right triangle on the figure 2 for low step 3 and on the figure 3 for high walking 4.
  • the three posts 2, 10 and 11 of each module 1 comprise identical sections of cylindrical metal tube of circular section, for example 380 mm long, 48.6 mm external diameter and 3.5 mm thick.
  • the lower ends of the two posts 2 and 10 are situated in the same plane perpendicular to the axes of the posts, this plane being horizontal in the position of use and, possibly, also of storage, of the module 1.
  • the upper ends of the tube sections of the posts 2, 10 and 11 are in the same plane perpendicular to the axes of these posts.
  • Each post 2, 10, 11 comprises at its lower end a sleeve 14, 16, fixed to the lower end of the post by a rivet 15. According to another example, the sleeve 14, 16 is welded to the rest of the post 2, 10 , 11.
  • the sleeve 14, 16 is welded to the rest of the post 2, 10, 11.
  • the sleeve 16 is arranged at the lower end of the post 11 illustrated in the figure 5b .
  • the sleeve 14 is arranged at the lower end of each of the posts 2, 10 as illustrated in Figures 5a and 5c .
  • the sleeve 16 of the post 11 is of length greater than the length of the sleeve 14.
  • the sleeve 14 has a length of 80 mm while the sleeve 16 has a length of 125 mm.
  • the sleeves 14 of the posts 2 and 10 are of substantially different length. For example, their length differs from 0.1 mm to 15 mm.
  • the sleeve 16 includes a light 17, in the form of a bayonet.
  • the light 17 comprises two parts 17a and 17c extending axially along the post 11.
  • the axial part 17a of the light 17 opens into the lower edge of the sleeve 16.
  • the two axial parts 17a and 17c are connected by an intermediate part 17b perpendicular to these two parts 17a and 17c.
  • the shape of the light 17 conditions the movement required for the placement of the module 1 on the posts of the underlying module or the corner post posts described below.
  • the front corner post 10 comprises, near its upper end, a pin 66 projecting radially outwards.
  • the pin 66 is able to cooperate with a light similar to the light 17 at the lower end of a corner post as described below.
  • the light 17 can receive a pin similar to the pin 66 at the upper end of the corner post 10 mentioned below.
  • the sleeve 14 of the front corner post 10 constitutes a female lower end capable of receiving the male upper end of the rear corner post 11 of another module 1.
  • the sleeve 14 of the central post 2 constitutes a female lower end capable of receiving the male upper end of the central post 2 of another module 1.
  • the stringer 7 and the steps 3 and 4 are made of a metal or light alloy, for example aluminum, the posts 2, 10 and 11 being secured to the steps 3, 4 and the stringer 7 for example by welding, the stringer 7 being for example an aluminum sheet 3 mm thick and the steps 3 and 4 being produced in an aluminum checkered sheet with a thickness of 3 to 4.5 mm.
  • a metal or light alloy for example aluminum
  • the posts 2, 10 and 11 being secured to the steps 3, 4 and the stringer 7 for example by welding
  • the stringer 7 being for example an aluminum sheet 3 mm thick
  • the steps 3 and 4 being produced in an aluminum checkered sheet with a thickness of 3 to 4.5 mm.
  • a basic module 1 thus produced can have a weight limited to 8 kg, easy to transport, handle and position for mounting the staircase.
  • the parallel axes of the three posts 2, 10, 11 of each module 1 each pass through one respectively of the three vertices of an equilateral triangle, in a transverse sectional plane of the module 1, perpendicular to the axes of these posts 2, 10 , 11.
  • the assembly according to the invention of modular elements for producing a modular helical staircase according to the invention also comprises, in addition to the modules 1 staircase with two steps 3, 4, at least one, and in general a plurality of railings as shown in the figure 6 .
  • This railing 18 comprises two uprights 19a and 19b tubular and parallel, vertical in the position of use of the railing 18, with the same external and internal diameters, and therefore of the same thickness, for example with a thickness of 1.5 mm and an external diameter of 30 mm, the largest of which 19a is 1,720 mm in length and the smallest of which is 1,256 mm in length, the two uprights 19a and 19b being braced, in the lower part, by a cross member 20a.
  • the two uprights 19a and 19b are braced by two crosspieces 20b and 20c inclined parallel to each other, from the longest upright 19a downwards and towards the other shortest upright 19b, the one of the crosspieces 20c connecting the upper ends of the two uprights 19a and 19b.
  • the two crossbars 20b and 20c are tubular, with the same dimensions of internal and external diameters and thickness as the uprights.
  • each of the two uprights 19a and 19b supports, projecting from the side outwards, a cylindrical sleeve 23a, 23b of circular section, the axes of the sleeves 23a and 23b being parallel to the amounts 19a and 19b.
  • the lower cross member 20a is a plate or plinth, having substantially the same shape as the stringer 7 of the module 1, so that the cross member 20a is superimposed on the stringer 7 of module 1 installed after the installation of the railing 18 during the assembly of the staircase.
  • each upright 19a, 19b comprises a retaining element 52.
  • the retaining element 52 strengthens the holding of the railing by pressing against the stringer 7.
  • Each retaining element 52 has the shape of a collar surrounding the upright 19a, 19b and comprising a free end folded at right angles.
  • the upright 19a comprises a plate 21a projecting radially.
  • the plate 21a includes an opening 21b provided for passing a corner post as described below.
  • the opening has a notch 21c allowing the passage of a pin similar to pin 66 located at the upper end of the corner post.
  • the upright 19a has another plate 22b projecting radially ending in an arc of a circle of center coincident with the center of the opening 21b.
  • the plate 22b serves as a guide and support for the railing 18 when the latter is assembled along a corner post.
  • the upright 19b has a hook 22c in radial projection intended to abut against the upper end of the rear corner post 11 of a module 1, after rotation of the railing 18 around the post of corner post on which the post 19a is assembled.
  • the railing 18 is produced by assembling, for example by welding, its components which are all metallic, preferably made of a metal or light alloy.
  • the set of modular elements according to the invention also includes other modular elements which are angle post according to the figures 7 to 8c .
  • a first 24a is a tubular rectilinear post, substantially of the same structure and dimensions as the front corner post 10 or of the central post 2 of the module 1 with two steps 3 and 4, and having a female lower end and a male upper end which are compatible with respectively the upper male end of a foot jack 40 according to the figure 10 and the lower female end of the rear corner post 11 of the module 1.
  • a tip 14 ′ is therefore found in the form of a sleeve which constitutes the lower end of the first corner post 24a.
  • the sleeve 14 ' can be made of metal or light alloy, for example aluminum or steel.
  • the tubular body 25a of the first post 24a of the corner post comprises in the upper part an annular flange 28a, which forms a peripheral abutment projecting radially outwards, to limit the sliding of the post 19a of a railing 18 on this first post 24a of the corner post.
  • the second corner post 24b includes, like the first corner post 24a, a tubular body 25b, the length of which is twice that of the first post 24a, therefore approximately 760 mm, comprising a male upper end similar to the male upper end of the rear corner post 11, and has a lateral attachment 26b projecting in its upper part, and pierced with a hole 27b for an articulated connection around an axis perpendicular to the longitudinal axis of the second post 24b on a free end 31c of a rail 29c articulated on the third post 24c of the corner post of the figure 8b .
  • the second post 24b further comprises a lateral attachment 30b projecting in its middle part, and comprising a latch 31b of the gravity type for a link articulated around an axis perpendicular to the longitudinal axis of the second post 24b on a free end 41b of a heald 29b articulated on the base of the figure 12 , as described below.
  • the second corner post 24b also includes an annular flange 28b, similar to the annular flange 28a of the first post 24a.
  • the first and second posts 24a and 24b of the corner upright have substantially the same structure and the same dimensions except that the second 24b is twice the length of the first 24a.
  • the figure 8b represents a third post 24c of the corner post, the structure and dimensions of which are substantially the same as for the second post 24b of the corner post, except that the length of the third post 24c is three times that of the first post 24a , while its fastener 26c is at the same distance from its upper end as the fastener 26b from the upper end of the second post 24b, so that the various elements and components of the third post 24c are marked on the figure 8b by references identical to those identifying the same elements or components on the figure 8a but assigned an index "c" to distinguish them from similar elements and components identified by references assigned an index "a" on the figure 7 for the first post 24a and of the index "b” for the post 24b of the figure 8a .
  • the third post 24c further comprises a rail 29c, of tubular structure, articulated around the axis 30c on the tubular body 25c, substantially at the level of the fastener 26c but on the opposite side of the body 25c, and the end of which free 31c is adapted to be removably connected to the fastener 26b of the second post 24b of the corner upright.
  • the figure 8c represents a fourth post 24d of an angle upright, the elements and components of which are identical or analogous to those of the three posts previously described are identified by the same references assigned an index "d", the length of the fourth post 24d being quadruple that of the first post 24a, and this fourth post 24d having the particularity of comprising in addition, with respect to the other three, two tenons 32d, projecting laterally on either side of the tubular body 25d in its lower half, and parallel to the axis of the tubular body 25d, these tenons 32d being able to each engage in a railing sleeve, such as a sleeve 23a or 23b of the railing 18 of the figure 6 , as described below for the mounting of the staircase, and so that the rail 29d of the fourth post 24d of the corner post can function, when it is mounted in an inclined spacer between two posts of the corner post , additional safety rail added to the two rails 20b and 20c of a railing 18 mounted on the staircase
  • the fourth post 24d comprises at its lower end a sleeve 16 similar to the sleeve 16 of the rear corner post 11 of a module 1 and with a light 17 in bayonet.
  • the upper end of the fourth post 24d comprises a pin 66 such as that of the upper end of the front corner post 10 of a module 1, unlike the other posts 24a, 24b and 24c which include a sleeve 14 ' but do not include a bayonet light sleeve or a pin.
  • the second and / or third post 24b and 24c include a pin 66 such as that such as that of the upper end of the fourth post 24d.
  • the set of modular elements for the construction of a staircase according to the invention also comprises a closing railing 33, as shown in the figure 9 , to prevent the passage beyond the top step of the last staircase module with two steps mounted at the upper end of the staircase, the exit of which then takes place laterally, over the stringer of said last module two steps.
  • the closing railing 33 of the figure 9 comprises two tubular uprights 34 of the same length, vertical in the position of use of the railing 33, and such that their lower ends are in the same horizontal plane.
  • the width of the railing 33 in its lower part is less than the width of the railing 33 in its upper part.
  • Each upright 34 extends in a non-rectilinear manner.
  • Each upright 34 includes three portions 34a, 34b, 34c.
  • the first portion 34a, located in the lower part, is rectilinear and extends along a first longitudinal axis.
  • the third portion 34c, located in the upper part is rectilinear and extends along a second longitudinal axis, parallel to the first longitudinal axis.
  • the second portion 34b extends obliquely between the first portion 34a and the third portion 34c.
  • the two uprights 34 are braced by three healds 35a, 35b, 35c rectilinear and perpendicular to the two uprights 34, and rigidly connected, by each of their two ends to one of the two uprights respectively 34, an upper heald 35a connecting the two ends upper of the two uprights 34, a central smooth 35b connecting the two uprights 34 substantially to two thirds of their height, and the third lower smooth 35c connecting the two uprights substantially to one third of their height.
  • the third stringer 35c is produced in the form of a plate or plinth.
  • the third rail 35c is superimposed on the module 1 after the installation of the railing 33 during the assembly of the staircase.
  • the railing 33 thus has the shape of a frame whose upper end is wider than the lower end, open between the lower ends of the two uprights 34.
  • the railing 33 also comprises two plates 36 projecting from the side outwards, each plate 36 being similar to the plate 21a of the amount 19a.
  • Each plate 36 is arranged on one of the two uprights 34 respectively. These plates 36 are capable of sliding in a removable manner on the central 2 and rear corner posts 11 of the last module 1 at two steps from the staircase.
  • each upright 34 supports a collar 38, of the type with two jaws pivoting with respect to each other around an axe substantially parallel to the axis of the corresponding upright 34, the two jaws being able to close one against the other by screwing, so that the collar 38 is able to be removably mounted one around the central upright and the other around a corner post of the staircase, or around a fourth post 24d of a corner post mounted on a rear corner post 11 and in the vertical extension of the latter on a module 1 of steps the stairs.
  • the set of modular elements according to the invention also comprises, as shown in the figure 11 , seven independent 40 foot cylinders, such as that of the figure 10 , as well as a substantially horizontal trapezoidal base 41, each of the two ends of the large base 42 as of the small base 43 of the base 41, as well as the middle of the large base 42 are able to be equipped with the one respectively of the seven similar foot cylinders 40, the structure of a foot cylinder being schematically shown in the figure 10 .
  • Each foot jack 40 of a well-known structure, comprises a plate 44 for supporting the ground, supporting a vertical threaded rod 45, on which is screwed a nut 46 with wings 47, with a stopping point 48 on the rod 45 which limits the height adjustment range of the nut 46 upwards, on the fins 47 from which the female lower ends of the front 10 and rear 11 corner posts of a module 1 with two steps can come to bear or the female lower ends of the first, second, third and fourth angle post poles 24a, 24b, 24c and 24d previously described, in order to compensate for a defect in the flatness and / or the horizontality of the ground surface where a staircase according to the invention must be mounted.
  • the jack 40 further comprises a cylindrical part 45 '.
  • the cylindrical part 45 ' surrounds the rod 45 in its lower part, near the support plate 44.
  • the cylindrical part 45' is therefore of larger diameter than the rod 45.
  • the end of the cylindrical part 45 ' which is opposite the end closest to the support plate 44 serves as a support surface for the interior parts corresponding to the narrowing situated between the female lower ends and the rest of the front corner posts 10 and rear 11 of a module 1 with two steps or the female lower ends of the first, second, third and fourth corner post poles 24a, 24b, 24c and 24d in order to take up the loads from the assembly.
  • the small base 43 and the two inclined sides 49, which connect the small base 43 to the large base 42 are each of the same length which corresponds to the length of one side of the hexagonal section of the stairs.
  • the base 41 is produced by assembling, for example by welding, sections straight tubulars which constitute, in this example, not only the two bases 42 and 43 and the two inclined sides 49 of the trapezoidal base 41, but also two spacers 50 each of which connects one respectively of the two ends of the small base 43 in the center of the large base 42.
  • An articulated heald 29b is also articulated between the large base 42 and one of the two inclined sides 49.
  • the heald 29b of tubular structure, is articulated by one end around an axis 41a arranged on one of the two inclined sides 49 of the base 41 and perpendicular to the axis of the jacks 40 when assembled with the base 41 thereon, and the free end 41b of which is capable of being removably articulated on the fastener 30b of the second post 24b .
  • the figure 12 also illustrates the base 41, as well as a first step 62 and a support 60.
  • the support 60 is triangular in shape. Each side of the support 60 corresponds to the length of one side of the hexagonal section of the staircase.
  • the support 60 is produced by assembling, for example by welding, rectilinear sections. These sections can for example be tubular, or rectangular.
  • the first step 62 is of triangular shape, complementary to the triangular shape of the support 60.
  • the first step 62 can be produced in the form of a thin plate, the edges of which are folded at right angles to cover part of the large base. 42 and one side of the support 60.
  • the first step is for example made of metal or light alloy.
  • the figure 13 illustrates two steps prior to the first assembly cycle described below.
  • a first step 62 and the support 60 are mounted on two jacks 40 and assembled to the base 41.
  • the support 60 is first mounted on the two jacks 40 and assembled to the base 41, then the first step 62 is assembled on the support 60 and the base 41.
  • the first step 62 is first assembled on the support 60, then the assembly formed by the first step 62 and the support 60 is mounted on the two jacks 40 and assembled to the base 41.
  • the first step 62 thus defines the first of the six faces of the staircase of horizontal hexagonal cross section to be assembled.
  • a first module 1 with two steps is mounted by its central post 2 on the foot jack 40 in the middle of the large base 42 of the horizontal base 41, and the two front corner posts 10 and rear 11 of module 1 are each mounted on one of the two foot cylinders 40 respectively, thereby defining the second of the six faces of the staircase of hexagonal horizontal cross section to be mounted.
  • the first cycle of three stages is depicted on the Figures 14a, 14b and 14c .
  • the first corner post 24a is mounted vertically by fitting on the foot jack 40 at the end of the large base 42 of the base 41 towards which the module 1 of the staircase turns while going up, and so that the first corner post 24a defines with the rear corner post 11 of the stair module 1 the third face of the hexagonal staircase.
  • a railing 18 is mounted in this third face of the staircase.
  • the amount 19a of the railing 18 is slid along the first post 24a by passing the first post 24a into the opening 21b of the plate 21a.
  • a second module 1 with two steps is mounted by its central post 2 on the central post 2 of module 1 mounted on the foot jack 40 in the middle of the large base 42 of the horizontal base 41, and the two posts d 'front 10 and rear 11 of the second module 1 are mounted respectively on the rear corner post 11 of the first module 1 and on the first post 24a, thus defining the third of the six sides of the staircase with a horizontal hexagonal cross-section to rise.
  • the second corner post 24b is fitted on the foot jack 40 at the end closest to the small base 43 of the base 41, and the hinged bar 29b of this second post 24b is fixed at spacer between this second post 24b and the base 41 by connection of this rail 29b with the attachment 41a of the base, in the fourth face of the hexagonal staircase.
  • a railing 18 is mounted in this fourth face of the staircase according to the same principle as that described in the second step of the first cycle.
  • the railing 18 is previously oriented so that the upright 19b is near the central post 2. Then, the railing 18 is pivoted around the second post 24b towards the rear post 11, up to that the hook 22c comes into abutment against the rear post 11.
  • a third step module 1 is mounted by fitting its central post 2 onto that of the second module 1, its front corner post 10 on the part of the male upper end of the rear corner post 11 of the second module 1 , and its rear corner post 11 on the part of the male upper end of the second post 24b of the upright which protrudes above the plate 21a of the railing 18.
  • the third corner post 24c of the angle figure 8b is mounted on the foot jack 40 at the other end of the small base 43 of the base 41, and the articulated beam 29c of this third post 24c of the corner post is mounted in a spacer between the second and third posts 24b and 24c of the corner post by fixing its free end 31c to the fastener 26b of the second post 24b of the corner post (see figure 8a ).
  • a third railing 18 is mounted in the fifth side face of the staircase bounded by the second and third posts 24b, 24c of the corner upright, according to the same principle as that described in the second step of the second cycle.
  • the third post 24b comprises a pin 66
  • the railing 18 is first oriented so that the upright 19b is near the central post 2. Then the railing 18 is pivoted around the third post 24c towards the rear post 11, until the hook 22c abuts against the rear post 11.
  • a fourth step module 1 is mounted by fitting its central post 2 onto that of the third module 1, its front corner post 10 on the part of the male upper end of the rear corner post 11 of the third module 1 , and its rear corner post 11 is fitted on the part of the male upper end of the third post 24c of the corner post.
  • the fourth step module 1 is mounted on the third as the third was on the second, and the latter was on the first, by vertical stacking of its post central 2 on that of the third module 1, of its rear corner post 11 on the part of the upper male end of the third post 24c of the corner post which protrudes above the plate 21a of the third railing 18, and of the front corner post 10 on the part of the upper male end of the post d rear corner 11 of the third module 1.
  • a fourth corner post 24d is mounted on the foot jack 40 at the second end of the large base 42 of the base 41, and its hinged rail 29d is mounted in an inclined spacer between the two posts 24c and 24d of an angle upright, delimiting the sixth face side of the staircase, by fixing the free end 31d (see figure 8c ) of this stringer 29d on the attachment 26c of the third post 24c of the corner post.
  • a fourth railing 18 (see figure 17b ) is mounted according to the same principle as that described in the second stage of the first cycle, and in the second stage of the third cycle.
  • the fourth post 24d comprising a pin 66
  • the railing 18 is first oriented so that the upright 19b is near the central post 2. Then the railing 18 is pivoted around the second post 24b towards the rear post 11, until the hook 22c abuts against the rear post 11.
  • This fourth cycle ends, at the third stage ( figure 17c ), by installing a fifth step module 1.
  • the fitting of the module 1 first consists in engaging the sleeve 16 of the post 11 with the male upper end of the fourth post 24d.
  • the pin 66 of the upper male end of the fourth post 24d thus becomes housed in the axial part 17a of the lumen 17 of the sleeve 16 of the post 11. Then, the pin 66 cooperates with the intermediate part 17b and moves along this intermediate part 17b.
  • the module 1 thus pivots around the fourth post 24d, the pivoting movement being limited by the size of the intermediate part 17b.
  • the sleeves 14 of the central and front posts 2, 10 are opposite the male ends respectively of the central 2 and rear posts 11 of the underlying module 1, that is to say of the fourth module 1.
  • the pin 66 finally cooperates with the axial part 17c of the lumen 17 of the sleeve 16 of the post 11.
  • the front corner post 10 of the fifth module 1 then comes to be fitted on the part of the male upper end of the post rear corner 11 of the fourth module 1 and the central post 2 comes fit on the part of the male upper end of the central post 2 underlying.
  • each cycle is a repetition of the fourth cycle, with a level shift corresponding to the module 1 of steps added to each cycle, to make a second turn of the stairs, at plumb above the first tower, the new corner post incorporated in the assembly being all identical to the fourth post 24d of the figure 8c .
  • the first step in each of these cycles always involves the installation of a fourth post 24d of the corner post.
  • the pin 66 of the front corner post 10 of the underlying module 1 is housed in the lumen 17 of the corner post 24d
  • the pin 66 of the post 24d is housed in the lumen 17 of the overlying rear corner post 11.
  • the second step concerns the installation of an additional railing 18, and the last step of each cycle always corresponds to the installation of an additional module 1 of steps.
  • the first step concerns, in the same way as the fourth cycle, the installation of a fourth post 24d of additional angle post, the second step concerns the installation of a module 1 of additional steps and the third step concerns the installation of the closing railing 33, to allow the exit of the staircase at the level of the last module 1 of steps.
  • the helical staircase is limited to 2 turns, the last step module 1 thus corresponding to the twelfth step module 1 installed.
  • each post 24d of the corner upright engage in the vertical sleeves 23a and 23b projecting from the side of two neighboring and underlying railings 18, previously mounted.
  • the rail 29d of each post 24d of the corner post is fixed by its free end 31d on the post 24d of angle post previously mounted in inclined spacer substantially parallel to the two inclined rails 20b and 20c of a railing 18 previously mounted and underlying, thereby acting as a third inclined rail, enhancing safety for users in the second turn of the stairs.
  • the closing railing 33 of the figure 9 is mounted behind the high step 4 of the last module 1 and along the rear edge of this high step 4, and fitted by its plates 36 on the upper ends of the central posts 2 and rear corner 11 of the last module 1, and retained by one of its collars 38 around the central post 2 of the penultimate module 1 and by the other collar 38 around the post 24d of the corner post supporting the rear corner post 11 of the last module 1.
  • the posts 24e of the upright are mounted vertically along the sides of the last five railings 18 and between them.
  • the posts 24e are identical to the posts 24d.
  • the posts 24e are mounted by fitting on the upper male ends of the front 10 and rear 11 corner posts of the eleventh, tenth, ninth, eighth and seventh modules 1, the beams 29d of these five posts 24e being fixed inclined between these posts 24e , to secure the staircase access to these last five step modules 1, and the pins 23a and 23b of the railings 18 are engaged in sleeves 32d of these posts 24e to stiffen the upper part of the staircase lateral exit over the stringer 7 of the last step module 1.
  • these last five posts 24e are shorter in length than the other posts 24d constituting the staircase. Specifically, their end upper is shortened compared to the upper end of the other posts 24d. furthermore, their upper end does not include a pin 66.
  • the last five posts 24d have a length of 1.3 m while the other posts 24d have a length of 1.52 m. The difference in height between these last five posts and the other 24d posts makes it possible to differentiate them and easily identify the last five posts, useful for securing the use of the staircase.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)

Claims (19)

  1. Treppenmodul (1) mit zwei Stufen für eine modulare Wendeltreppe mit hexagonalem horizontalen Querschnitt, begrenzt durch sechs vertikale Eckpfeiler um einen vertikalen Mittelpfeiler herum, wobei das Modul (1) umfasst:
    einen Mittelpfosten (2) mit im Wesentlichen vertikaler Achse (Z), und
    zwei Stufen (3, 4) mit im Wesentlichen dreieckiger Form, davon eine niedrige Stufe (3) und eine hohe Stufe (4), die sich in horizontalen Ebenen senkrecht zur Achse (Z) des Mittelpfostens (2) und radial von dem Mittelpfosten (2) aus erstrecken, mit dem die Stufen (3, 4) jeweils durch einen schmalen Rand (5) am inneren radialen Ende fest verbunden sind,
    wobei die zwei Stufen (3, 4) jeweils durch einen breiten Rand (6) am äußeren radialen Ende mit einer einzigen Wange (7) in Form einer Platte fest verbunden sind, die im Wesentlichen eben und parallel zur Achse (Z) des Mittelpfostens (2) ist, wobei die Wange (7) einen niedrigen Teil (8) und einen hohen Teil (9) aufweist, die mit dem Stück des breiten Rands (6) der niedrigen Stufe (3) bzw. der hohen Stufe (4) verbunden sind, und wobei das Modul zwei Eckpfosten (10, 11) mit Achsen parallel zu der Achse (Z) des Mittelpfostens (2) aufweist, so dass die oberen Enden der drei Pfosten (2, 10, 11) des Moduls in einer gleichen transversalen Ebene senkrecht zu den Achsen der drei Pfosten (2, 10, 11) liegen,
    wobei der eine der beiden Eckpfosten, der vorderer Eckpfosten (10) genannt wird, mit dem niedrigen Teil (8) der Wange (7) am vorderen Ende der letzteren fest verbunden ist, mit der Kante (12) der niedrigen Stufe (3) am äußeren radialen Ende davon und mit dem breiten Rand (6) der unteren Stufe (3) am vorderen Ende davon, und wobei der andere Eckpfosten, der hinterer Eckpfosten (11) genannt wird, mit dem hohen Teil (9) der Wange am hinteren Ende der letzteren verbunden ist, mit dem hinteren Rand (13) der hohen Stufe (4) am äußeren radialen Ende davon, und mit dem breiten Rand (6) der hohen Stufe (4) am hinteren Ende davon,
    wobei der Mittelpfosten (2) und die zwei Eckpfosten (10, 11) des Moduls (1) jeweils ein weibliches Ende und ein männliches Ende aufweisen, die dazu geeignet sind, ein männliches Ende aufzunehmen bzw. in einem weiblichen Ende aufgenommen zu werden, von analogen Pfosten von identischen Modulen (1) mit zwei Stufen, so dass sie mit den analogen Pfosten zur Bildung des Mittelpfeilers und der Eckpfeiler der Treppe beitragen,
    wobei wenigstens einer der drei Pfosten (2, 10, 11) des Moduls (1) wenigstens ein Element einer Verriegelungseinrichtung (66, 17) aufweist, das dazu geeignet ist, mit wenigstens einem anderen Element der Verriegelungseinrichtung (17, 66) zusammenzuwirken, das an einem Pfosten eines anderen Treppenmoduls (1) vorgesehen ist, oder von einem Eckpfeiler-Pfosten (24d) der Treppe, um die Verbindung des Moduls mit dem anderen Modul (1) oder dem Eckpfeiler-Pfosten (24d) zu verriegeln.
  2. Treppenmodul (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Mittelpfosten (2) und die zwei Eckpfosten (10, 11) drei rohrförmige Pfosten sind, die mit den zwei Stufen (3, 4) und mit der gemeinsamen Wange (7) fest verbunden sind, und deren untere Enden jeweils durch jeweils eine von drei Hülsen (14, 16) gebildet sind, wobei diejenige des hinteren Eckpfostens (11) länger ist als diejenigen mit im Wesentlichen gleicher Länge der zwei anderen Pfosten und eine Bajonett-Öffnung (17) aufweist, die sich in dem unteren Rand der Hülse (16) öffnet, von einer Verriegelungseinrichtung entsprechend einem radialen Stift (66) an dem oberen Ende des vorderen Eckpfostens (10) oder eines Eckpfeiler-Pfostens (24b, 24c, 24d) der Treppe.
  3. Treppenmodul (1) nach Anspruch 2, dadurch gekennzeichnet, dass die drei Pfosten (2, 10, 11) des Moduls aus Metall oder einer leichten Legierung bestehen und fest mit den Stufen (3, 4) und mit der Wange (7) verbunden sind, die aus dem gleichen Metall oder der gleichen Legierung bestehen.
  4. Treppenmodul (1) nach Anspruch 3, dadurch gekennzeichnet, dass die Hülse (16) des hinteren Eckpfostens (11) unterhalb der im Wesentlichen horizontalen, zur Achse (Z) senkrechten Ebene des unteren Endes des Mittelpfostens (2) und des vorderen Eckpfostens (10) hervorsteht, deren Hülsen (14) im Wesentlichen die gleiche Höhe aufweisen.
  5. Modul nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Wange (7) einen niedrigen Teil (8) aufweist, der im Wesentlichen rechteckig ist, mit unteren und oberen Rändern, die im Wesentlichen parallel zu der niedrigen Stufe (3) sind, und einen hohen Teil (9) im Wesentlichen in Form eines umgekehrten U aufweist, mit einem oberen Rand, der im Wesentlichen parallel zu der hohen Stufe (4) verläuft.
  6. Modul (1) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die parallelen Achsen der drei Pfosten (2, 10, 11) des Moduls jeweils durch jeweils eine der drei Spitzen eines gleichseitigen Dreiecks verlaufen, in einer Querschnittsebene des Moduls (1) senkrecht zu den Achsen der Pfosten (2, 10, 11), und wobei jede Stufe (3, 4) in einer Draufsicht im Wesentlichen eine Form von einem rechtwinkligen Dreieck aufweist.
  7. Anordnung von Modulelementen um eine modulare Wendeltreppe mit horizontalem hexagonalen Querschnitt herzustellen, begrenzt durch sechs vertikale Eckpfeiler um einen vertikalen Mittelpfeiler herum, wobei die Anordnung eine trapezförmige Basis (41) aufweist, um die Modulelemente auf dem Boden zu platzieren, dadurch gekennzeichnet, dass wenigstens ein Modulelement aus den Modulelementen der Anordnung ein Treppenmodul (1) mit zwei Stufen (3, 4) gemäß einem der vorhergehenden Ansprüche ist,
    wobei wenigstens ein zweites Modulelement aus den Modulelementen der Anordnung ein Geländer (18) ist, welches zwei vertikale, rohrförmige Pfeiler (19a,19b) von ungleicher Länge umfasst, die miteinander im unteren Teil durch eine Traverse (20a) und im oberen Teil durch wenigstens eine geneigte Traverse aber bevorzugt durch zwei geneigte Traversen (20b, 20c) verstrebt sind, die einen Schutz-Gurt bildet bzw. Schutz-Gurte bilden,
    wobei der längere Pfeiler (19a) der beiden Pfeiler (19a,19b) des Geländers im unteren Teil seitlich nach außen herausstehend eine Platte (21a) stützt,
    und wobei jeder der zwei Pfeiler (19a, 19b) am oberen Teil eine Hülse (23a, 23b) stützt, die nach oben heraussteht, parallel zum Pfeiler (19a, 19b) des Geländers, wobei die Platte (21b) dazu geeignet ist, um das obere Ende des hinteren Eckpfostens (11) eines Treppenmoduls (1) herum oder auf einem Eckpfeiler-Pfosten (24a, 24b, 24c, 24d) zu gleiten, der ein anderes Modulelement der Anordnung bildet, wobei die Hülsen (23a, 23b) dazu geeignet sind, seitliche Zapfen (32d) von Eckpfeiler-Pfosten (24d) der Anordnung aufzunehmen.
  8. Anordnung von Modulelementen nach Anspruch 7, dadurch gekennzeichnet, dass der kürzere Pfeiler (19b) der zwei Pfeiler (19a, 19b) des Geländers (18) im unteren Teil seitlich nach außen vorstehend einen Haken (22c) trägt.
  9. Anordnung von Modulelementen nach Anspruch 8, dadurch gekennzeichnet, dass sie weiterhin eine Mehrzahl von Eckpfeiler-Pfosten umfasst, umfassend:
    - einen ersten Pfosten (24a) mit im Wesentlichen gleicher Struktur und Abmessungen wie der vordere Eckpfosten (10) des Treppenmoduls (1) mit zwei Stufen, und der ein männliches Ende hat, welches mit dem weiblichen Ende (16) des hinteren Eckpfostens (11) des Moduls (1) kompatibel ist, aber zusätzlich mit einem ringförmigen Kragen (28a), der einen Anschlag bildet, welcher das Gleiten einer Platte (21a) des Geländers (18) auf dem ersten Pfosten (24a) begrenzt,
    - einen zweiten Pfosten (24b), der im Wesentlichen die gleiche Struktur hat wie der erste Eckpfeiler-Pfosten (24a), aber mit doppelter Höhe von derjenigen des ersten Eckpfeiler-Pfostens (24a), und der ein seitlich außen vorstehendes Befestigungselement (30b) umfasst, das für eine lösbare Verbindung mit einem freien Ende (31b) von einem Gurt (29b) geeignet ist, der an seinem anderen Ende an der Basis (41) angelenkt ist,
    - einen dritten Pfosten (24c) von im Wesentlichen gleicher Struktur wie der erste Eckpfeiler-Pfosten (24a), aber mit der dreifachen Höhe von derjenigen des ersten Eckpfeiler-Pfostens (24a), und
    - wenigstens einen vierten Pfosten (24d), ebenfalls im Wesentlichen mit gleicher Struktur wie der erste Eckpfeiler-Pfosten (24a), aber in vierfacher Höhe von derjenigen des ersten Eckpfeiler-Pfostens (24a), wobei der vierte Pfosten (24d) weiterhin wenigstens ein Element einer Verriegelungseinrichtung (66, 17) umfasst, welches dazu geeignet ist, mit wenigstens einem anderen Element der Verriegelungseinrichtung (17, 66) zusammenzuwirken, welches an einem Pfosten eines Treppenmoduls vorgesehen ist, und
    wobei der dritte (24c) und der vierte (24d) Eckpfeiler-Pfosten weiterhin einen geraden Gurt (29c, 29d) haben, der an einem Ende schwenkbar um eine horizontale Achse (30c, 30d) an dem Eckpfeiler-Pfosten (24c, 24d) gelagert ist, im Wesentlichen bei der Länge des ersten Eckpfeiler-Pfostens (24a) von dem oberen Ende des Pfostens (24c, 24d) aus, und der dazu geeignet ist, in lösbarer Weise an seinem anderen Ende (31c, 31d) in geneigter Verstrebung mit dem Befestigungselement (26b, 26c, 26d) eines benachbarten Eckpfeiler-Pfostens verbunden zu sein, der eine gleiche Seite der hexagonalen Treppe begrenzt,
    und wobei der wenigstens eine vierte Eckpfeiler-Pfosten (24d) weiterhin in seiner unteren Hälfte seitlich zu beiden Seiten eines Abschnitts des Pfostens (24d) vorstehend zwei Zapfen (32d) hat, die parallel zu dem vierten Pfosten (24d) sind, und die dazu geeignet sind, jeweils in eine Hülse (23a, 23b) des Geländers (18) einzugreifen, so dass der Gurt (29d) in geneigter Verstrebung des vierten Eckpfeiler-Pfostens (24d) dazu geeignet ist, die Funktion eines zusätzlichen Sicherungsgurts einzunehmen, zusätzlich zu dem oder zu den zwei geneigten Gurten (20b, 20c) von einem Geländer (18), das zuvor an der Treppe montiert wurde.
  10. Anordnung von Modulelementen nach Anspruch 9, dadurch gekennzeichnet, dass der zweite (24b) oder/und der dritte (24c) Pfosten weiterhin einen Stift (66) einer Verriegelungseinrichtung (66, 17) umfasst, der dazu geeignet ist, mit wenigstens einer Öffnung (17) der Verriegelungseinrichtung (17, 66) zusammenzuwirken, die an einem Pfosten eines Treppenmoduls vorgesehen ist.
  11. Anordnung von Modulelementen nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass sie weiterhin ein zusätzliches Modulelement umfasst, das als Geländer (33) zum Abschluss der Treppe angeordnet ist, umfassend zwei rohrförmige Pfeiler (34) des Geländers von gleicher Höhe, verstrebt durch wenigstens zwei gerade, horizontale Gurte (35a, 35b), die an jedem von ihren zwei Enden jeweils mit einem von den zwei Pfeilern (34) des Geländers (33) starr verbunden sind, davon ein oberer Gurt (35a), der die zwei oberen Enden der zwei Pfeiler (34) des Geländers verbindet, und wenigstens ein mittlerer Gurt (35b), um einen offenen Rahmen zwischen den unteren Enden der zwei Pfeiler (34) zu bilden,
    wobei das Abschluss-Geländer (33) weiterhin im unteren Teil der Pfeiler (34) und seitlich nach außen vorstehend zwei Schellen (38) umfasst, die jeweils mit einem der zwei Pfeiler (34) verbunden und dazu geeignet sind, die eine um den Mittelpfeiler und die andere um einen Eckpfeiler der Treppe lösbar montiert zu werden, und im mittleren Teil der Pfosten (34) und seitlich nach außen vorstehend zwei Platten (36) umfasst, die jeweils mit einem der zwei Pfeiler (34) verbunden sind, und mit einer Achse parallel zu dem letzteren, und dazu geeignet, in lösbarer Weise auf dem Mittelpfosten (2) und dem hinteren Eckpfosten (11) eines letzten Treppenmoduls der Anordnung zu gleiten.
  12. Anordnung von Modulelementen nach einem der Ansprüche 8 bis 11, dadurch gekennzeichnet, dass sie weiterhin als zusätzliche Modulelemente sieben unabhängige Fußspindeln (40) umfasst, von denen jede dazu geeignet ist, die Höhe von jeweils einem der zwei Eckpfosten (10, 11) eines ersten Treppenmoduls (1) mit zwei Stufen zu regulieren, wie auch die trapezförmige, im Wesentlichen horizontale Basis (41), deren kleine Grundseite (43) und die zwei geneigten Seiten (49) eine gleiche Länge aufweisen, die einer Seite des hexagonalem Querschnitts der Treppe entspricht, und die hergestellt ist durch das Zusammensetzen von geraden Abschnitten, welche wenigstens die zwei Grundseiten (42, 43) und die zwei geneigten Seiten (49) der trapezförmigen Basis (41) bilden, die dazu geeignet ist, eine Fußspindel (40) an jeder ihrer vier Ecken aufzunehmen, und dazu geeignet ist, Eckpfeiler-Pfosten (24a, 24b, 24c, 24d), welche drei benachbarte Seiten des hexagonalen horizontalen Querschnitts der modularen Wendeltreppe begrenzen, in der Höhe zu verstellen, wobei eine Fußspindel (40) an der Mitte der großen Grundseite (42) der Basis (41) vorgesehen ist.
  13. Modulare Wendeltreppe mit horizontalem hexagonalem Querschnitt, begrenzt durch sechs vertikale Eckpfeiler um einen vertikalen Mittelpfeiler herum, dadurch gekennzeichnet, dass sie eine Anordnung von Modulelementen nach einem der Ansprüche 8 bis 12 umfasst.
  14. Verfahren zur Montage einer modularen Wendeltreppe nach Anspruch 13,
    dadurch gekennzeichnet dass es eine Abfolge von Zyklen umfasst, die jeweils drei Schritte aufweisen,
    von denen der erste das Anordnen eines Eckpfeiler-Pfostens (24a, 24b, 24c, 24d) auf einer Fußspindel (40) oder auf einem anderen, identischen, zuvor angeordneten Modul (1) ist,
    wobei der zweite Schritt darin besteht, ein Geländer (18) zu montieren, dessen Platte (21a) um den Eckpfeiler-Pfosten (24a, 24b, 24c, 24d) herum gleitet, so dass das Geländer (18) sich in der der benachbarten Seite der hexagonalem Treppe erstreckt, so dass der Eckpfeiler-Pfosten (24a, 24b, 24c, 24d) mit dem Geländer (18) eine benachbarte Seite der hexagonalen Treppe begrenzt,
    und wobei der dritte Schritt das Anordnen eines Treppenmoduls (1) mit zwei Stufen auf den Fußspindeln (40) oder auf einem identischen Modul (1) und einem Eckpfeiler-Pfosten (24a, 24b, 24c, 24d) ist, die zuvor angeordnet wurden, und so dass die zwei Eckpfosten (10, 11) des Treppenmoduls (1) eine Seite der Treppe mit im Wesentlichen hexagonalem horizontalen Querschnitt definieren.
  15. Verfahren zur Montage einer modularen Wendeltreppe nach Anspruch 14, wobei im Verlauf des zweiten Schritts das Geländer (18) zuvor so orientiert wird, dass der kürzere Pfeiler (19b) der zwei Pfeiler (19a, 19b) des Geländers (18) sich in der Nähe von dem Mittelpfosten (2) befindet, wobei dann der längere Pfeiler (19a) der zwei Pfeiler (19a, 19b) des Geländers (18) um den darunter liegenden Eckpfeiler-Pfosten (24a, 24b, 24c, 24d) geschwenkt wird, bis der Haken (22c) in Anschlag gegen den hinteren Eckpfosten (11) des Treppenmoduls (1) gelangt.
  16. Verfahren zur Montage einer modularen Wendeltreppe nach Anspruch 14 oder 15,
    dadurch gekennzeichnet dass ein Schritt vor dem ersten Zyklus darin besteht, eine erste Stufe (62) auf der Basis (41) zu positionieren.
  17. Verfahren zur Montage einer modularen Treppe nach Anspruch 16, dadurch gekennzeichnet dass ab dem vierten Zyklus alle im ersten Schritt der Zyklen montierten Eckpfeiler-Pfosten identisch zum vierten Eckpfeiler-Pfosten (24d) sind, und jeder Eckpfeiler-Pfosten (24d) auf und in Verlängerung zu dem vorderen Eckpfosten (10) eines darunterliegenden Treppenmoduls (1) montiert wird.
  18. Verfahren zur Montage einer modularen Treppe nach einem der Ansprüche 14 bis 15, dadurch gekennzeichnet, dass ab dem sechsten Zyklus die seitlichen Zapfen (32d) von jedem Eckpfeiler-Pfosten (24d) in vertikale Hülsen (23a, 23b) eingreifen, die seitlich von zwei darunterliegenden, benachbarten Geländern (18) vorstehen, die zuvor montiert wurden.
  19. Verfahren zur Montage einer modularen Treppe nach einem der Ansprüche 14 bis 18, dadurch gekennzeichnet dass ab dem sechsten Zyklus der Gurt (29d) von jedem Eckpfeiler-Pfosten (24d) an seinem freien Ende (31d) am zuvor montierten Eckpfeiler-Pfosten (24d) fixiert wird, montiert in geneigter Verstrebung im Wesentlichen parallel zu dem geneigten Gurt oder zu den geneigten Gurten (29b, 29c) eines darunterliegenden Geländers (18), welches zuvor montiert wurde, so dass er als dritter geneigter Gurt dient.
EP18173589.5A 2017-05-22 2018-05-22 Treppenmodul für wendeltreppe mit sechseckigem querschnitt, anordnung mit mindestens einem solchen modul und treppe, die mindestens eine solche anordnung umfasst Active EP3406821B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1754501A FR3066516B1 (fr) 2017-05-22 2017-05-22 Module d'escalier pour escalier helicoidal de section hexagonale, ensemble avec au moins un tel module et escalier comportant au moins un tel ensemble
FR1760355A FR3066517B1 (fr) 2017-05-22 2017-11-03 Module d'escalier pour escalier helicoidal de section hexagonale, ensemble avec au moins un tel module et escalier comportant au moins un tel ensemble

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EP3406821A1 EP3406821A1 (de) 2018-11-28
EP3406821B1 true EP3406821B1 (de) 2020-04-01

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Publication number Priority date Publication date Assignee Title
DE29721616U1 (de) * 1997-12-06 1999-04-08 Ammann Ohg Freitragende Treppe
US6108988A (en) * 1998-12-07 2000-08-29 Soft Play, L.L.C. Spiral climb in surrounding enclosure
CN2637618Y (zh) * 2003-04-30 2004-09-01 郑亚莉 组合式室内楼梯
FR2921398B1 (fr) * 2007-09-25 2012-11-30 Campenon Bernard Regions Module pour la construction d'un escalier provisoire, escalier et procede d'installation d'un tel escalier
CN201460069U (zh) * 2009-06-26 2010-05-12 李金喜 旋转组合楼梯
KR101423736B1 (ko) * 2013-03-15 2014-08-01 주식회사 디케이에스코리아 비계용 수직지지대
FR3050749B1 (fr) * 2016-05-02 2022-07-15 Entrepose Echafaudages Module pour realiser un escalier de chantier tournant, ensemble comportant au moins un tel module et escalier de chantier comportant au moins un tel ensemble

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