EP2476814A2 - Dispositif de fermeture de sol, notamment escalier de grenier doté d'une charnière en matière synthétique - Google Patents

Dispositif de fermeture de sol, notamment escalier de grenier doté d'une charnière en matière synthétique Download PDF

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Publication number
EP2476814A2
EP2476814A2 EP11182176A EP11182176A EP2476814A2 EP 2476814 A2 EP2476814 A2 EP 2476814A2 EP 11182176 A EP11182176 A EP 11182176A EP 11182176 A EP11182176 A EP 11182176A EP 2476814 A2 EP2476814 A2 EP 2476814A2
Authority
EP
European Patent Office
Prior art keywords
hinge
hatch cover
leg
floor
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11182176A
Other languages
German (de)
English (en)
Other versions
EP2476814B1 (fr
EP2476814A3 (fr
Inventor
Thorkil Baattrup-Andersen
Jan Erik Jensen
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.)
Dolle AS
Original Assignee
Dolle AS
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
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Application filed by Dolle AS filed Critical Dolle AS
Priority to PL11182176T priority Critical patent/PL2476814T3/pl
Publication of EP2476814A2 publication Critical patent/EP2476814A2/fr
Publication of EP2476814A3 publication Critical patent/EP2476814A3/fr
Application granted granted Critical
Publication of EP2476814B1 publication Critical patent/EP2476814B1/fr
Active legal-status Critical Current
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Classifications

    • 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
    • E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
    • E04F11/06—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
    • E04F11/062—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding
    • E04F11/064—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding with stringers overlapping when folded

Definitions

  • the invention relates to a bottom closure device for closing a formed in a ceiling or a floor opening, in particular attic stairs, with a mounting portion, a hatch cover and a hinge. Furthermore, the invention relates to a mounting method for a bottom closure device, in particular attic stairs in or on an opening formed in a ceiling or a bottom.
  • Floor closure devices of the type mentioned are often used as termination devices on attic stairs.
  • the opening is formed in a ceiling or floor of a building and the ground closure device or attic stairs used there.
  • the attic stairs are formed in such cases usually hinged and are usually used in homes where the space is limited or the attic is not developed.
  • These folding attic stairs are usually pivotable through an opening in the ceiling or the loft and arranged in a folded state above the opening.
  • Floor closure devices known in the prior art are typically pivotally attached to the opening by means of conventional hinges, as known from conventional loft hatches.
  • the installation of a bottom closure device is done in one of two ways: According to a first alternative, the bottom closure device is completely pre-assembled and then mounted as a whole on the ceiling, in particular screwed to a portion of the opening.
  • this type of assembly is disadvantageous because the weight of the bottom closure device is very high and can not be performed by a single person without much effort.
  • occupational health and safety regulations prevent this type of assembly in many countries.
  • a second possibility is not to pre-assemble the termination device, but first to prepare the attachment portion, then attach the hinge and the hatch cover, and only at the end mounted with the bottom closure device moving up and down stairs.
  • a disadvantage of this method the number of steps and the associated time required during assembly.
  • a floor finisher according to the invention is accordingly distinguished by the fact that the hinge can be positively connected to the mounting section.
  • the installation of a bottom closure device according to the invention is substantially simplified, since an alignment of the hatch cover relative to the mounting portion during installation is almost eliminated. It must be made only the positive connection between the hinge and mounting section.
  • Another advantage of the positive connection of the hinge with the attachment portion is the fact that the production of positive engagement is done without tools.
  • corresponding positive-locking elements are preferably arranged on the hinge and on the fastening section. More preferably, the hinge-side positive-locking elements are on the attachment portion associated leg of the hinge arranged.
  • Such form-fitting elements may comprise all known forms of form-locking elements, such as grooves, projections, undercuts, form-fitting elements, which are formed in the manner of hook and eye and click connections, connectors and the like.
  • the bottom closure device has means for locking the positive connection.
  • the positive connection is secured against unintentional loosening.
  • Such locking or securing means may include, for example: locking lugs, split pins, bolts, screws, bonds and the like.
  • the assembly of a termination device according to the invention is easy to perform. After the positive connection is made, this can be locked. Both steps are independently feasible and can be performed by a single person.
  • the leg of the hinge associated with the attachment portion is substantially perpendicular to a substantially horizontal opening and has an obliquely arranged projection adapted to cooperate with a corresponding recess or a corresponding projection of the attachment portion.
  • the opening is substantially horizontal, for example formed in a ceiling or in a floor, it is particularly preferred to arrange the leg associated with the fastening section parallel to the leg at the essentially perpendicularly extending section of the opening. So this leg is not visible from the outside.
  • the obliquely arranged projection is preferably bevelled in the direction of the (lower) ceiling.
  • the positive connection is made.
  • the first arranged on the leg form-fitting element is designed as a hook.
  • the leg, which is associated with the attachment portion has a multiplicity of hooks arranged next to one another.
  • the leg which is assigned to the fastening section has a multiplicity of horizontally extending shafts or ribs which are arranged with corresponding shafts or Ridges on the mounting portion to act together.
  • the positive connection is arranged according to this embodiment to allow a variety of positioning possibilities of the hinge relative to the mounting portion. Due to the large number of ribs or waves positioning is simplified.
  • the leg associated with the attachment portion may include a plurality of vertically extending corrugations or ribs adapted to cooperate with corresponding corrugations or ribs on the attachment portion. This also facilitates horizontal positioning by means of the vertical waves or ribs.
  • the waves or ribs are advantageous when locking or securing means are provided for the positive connection. Thus, a slipping or displacement of the hinge occurring after locking is prevented from the attachment portion by means of the ribs or shafts.
  • the hinge has a first and a second leg and a flexible portion arranged between the legs, so that the first leg is pivotally connected to the second leg.
  • the flexible portion is formed continuously.
  • the flexible portion extends over the entire length of the legs, so that the portion connecting the legs has no holes, openings or recesses.
  • the insulating effect of a hinge according to the invention is increased because, for example, cold air is prevented from passing through.
  • the flexible portion is substantially airtight so that substantially no air can pass between the two spaces separated by the bottom closure device.
  • the flexible portion may for example be formed of a rubber material, a plastic material, a reinforced and / or coated textile material, a flexible metallic material or the like.
  • the hinge is integrally formed.
  • the manufacture of a floor finishing device according to the invention is substantially simplified. It is not necessary to connect the two legs respectively to the flexible section. Also, so the life of a floor finishing device according to the invention is increased, since no joints are provided on the hinge, where potentially errors, such as cracks can occur.
  • the insulation is further formed because a one-piece hinge is substantially airtight.
  • a holding device is arranged on a side of the hatch cover opposite the hinge, which is arranged to hold the hatch cover in a closed position.
  • a holding device is arranged on a hinge side adjacent to the longitudinal side of the hatch cover.
  • holding devices are arranged on both longitudinal sides adjacent to the hinge.
  • the holding device has at least one positive locking element.
  • a holding device has a form-locking element on the hatch cover, which cooperates with a positive-locking element on a holding portion of the opening.
  • the holding device is particularly simple.
  • the holding device has one or more magnets for holding the hatch cover in the closed position.
  • the bottom closure device has a frame for inserting the opening, wherein the fastening portion and / or the holding device are arranged on the frame.
  • a frame often referred to as a hatch box, on the one hand simplifies the assembly of a bottom closure device according to the invention. Furthermore, such a frame leads to improved insulation and thermal insulation as well as to a neat and flush appearance of the floor finishing device. If both the fastening sections and the retaining device or a retaining section of the retaining device are fastened to the frame, only the frame must be mounted during assembly be arranged and fixed in an opening in, for example, a ceiling or a floor.
  • the hatch cover according to this embodiment can actually take the exclusive function of a cover element.
  • the support function and connection of the fixing section and the stairs with the opening completely takes over the frame. This is particularly advantageous because the lid is subsequently easily replaceable without the entire staircase must be dismantled. This allows the subsequent assembly or repair of insulation elements.
  • the hatch cover is formed of an insulating material. This is made possible only by the fact that the cover no longer has to be a load-bearing element.
  • seals are arranged on at least three inner sides of the frame.
  • Such seals are, for example, set up to interact with the hatch cover in such a way that, in the case of a hatch cover, the bottom closure device substantially seals the two spaces separated by it in an airtight manner.
  • Such seals may be formed, for example, of a foam material or a fiber material.
  • these seals are arranged at least on the three inner sides of the frame, on which no hinge is arranged.
  • the hinge is according to this embodiment preferably formed with a continuous flexible portion which connects the two legs.
  • sealing lips may be arranged on the inner sides of the frame for further sealing against draft air. In particular, this is advantageous in connection with a continuous hinge. So this also counteracts a fall air passage.
  • the bottom closure device has a circumferential magnetic seal arranged on the frame and / or on the hatch cover for sealing the hatch cover in relation to the frame.
  • a magnetic seal is, for example, according to a door seal, as it is known for example from refrigerators or freezers, educated. With such a magnetic seal, an even better seal between the two separated by the bottom closure device rooms can be achieved.
  • the hinge preferably the entire hinge, is formed from a flexible material, preferably plastic.
  • the hinge is integrally formed.
  • the hinge is formed of a plastic. Plastics are easy to work with, inexpensive, have a long life and a low weight.
  • the flexible portion is formed thinner in a cross section than the legs, so that the legs are stiffer than the flexible portion.
  • the bottom closure device has a double seal according to another preferred embodiment.
  • the double seal has a first sealing strip disposed on a side of the opening opposite the hinge and having a sealing lip adapted to be sealingly contacted with the hatch cover and two second sealing strips opposite to each other Side of the opening are arranged and each having a sealing lip, which is arranged in each case for sealing the opening.
  • the first sealing strip is designed as a cover strip and at the edge of the opening - or optionally a hatch, if present - trained.
  • the second sealing strips are preferably designed as cover strips on the hatch cover, wherein the sealing strip is arranged starting from the hatch cover to be brought into sealing contact with the edge of the opening or - if available the hatch box - in contact.
  • the sealing lips of the first sealing strip and the second sealing strips are arranged on the underside of the bottom closure device, which is to be understood as the underside of that side of the bottom closure device, which is arranged at the intended installation of the bottom closure device on the side of the underlying space.
  • a leg of the hinge associated with the attachment portion has a plurality of passage openings and two strips which form a tangible area, wherein a locking bar can be arranged in this graspable area, which has a plurality of through holes corresponding to the through holes of the leg, wherein the through holes of the locking bar have a first portion with a first diameter and a second portion connected to the first portion having a second diameter, wherein the second diameter is smaller than the first diameter.
  • a plurality of screws or mushroom-like protrusions are arranged, which have a shaft with a free length and a screw or mushroom head.
  • the number of screws is preferably selected according to the number of through holes in the leg and / or the bar or vice versa.
  • the diameter of the through holes in the leg is selected such that the screw head can be pushed through.
  • the first diameter of the first portion of the through holes of the Arretiertance is preferably selected such that the screw head is hin frenchsteckbar, the second diameter of the second portion such that the shank of the screw can be arranged in this area.
  • the locking is achieved by moving the bar. Moving the strip can be done with one hand, so that the assembly is simplified. In addition, the simplicity of the construction, the installation is intuitively possible, whereby even inexperienced technicians can easily and quickly mount the stairs.
  • the strip in the region of the second portion on a clamping bead is preferably designed such that it comes into contact with the displacement of the locking strip with a screw head and clamps the locking strip against the screw or screws.
  • the object is achieved in a bottom closure device of the type mentioned above or according to one of the embodiments described above in that the hatch cover is formed substantially from a heat-insulating material.
  • a substantially improved heat-insulating property of a floor finishing device according to the invention is achieved.
  • Hatch covers, which are essentially formed from a heat-insulating material have a very low weight, whereby the assembly of a floor finishing device according to the invention is substantially facilitated. If the lid has a low weight, the alignment and attachment of the hatch cover is at one Attachment section by a person feasible. In particular, this embodiment is preferred when the hinge of the hatch cover is positively connected to the attachment portion.
  • the mounting of a bottom closure device thus formed is substantially simplified.
  • a change of the hatch cover due to the inventive design of the hinge is particularly simple, so that subsequently can be retrofitted without great effort hatch cover made of heat-insulating material (insulation material).
  • the entire hatch cover is formed from the insulating insulating material.
  • the hatch cover has no portions having a lower heat-insulating force, and the two spaces separated by the bottom-closure device are better insulated against each other.
  • the hatch cover is formed substantially in one piece.
  • the production of such a hatch cover is substantially simplified, and the hatch cover has a uniform and good thermal insulation.
  • no frame is provided in such a hatch cover, such as a wooden or metal frame.
  • the hatch cover may have a casing, a lamination or the like on its outer surface.
  • this hatch cover can therefore be formed, for example, from a foam core which has an insulation foam or is formed from an insulating foam which has good heat-insulating properties. On its outer surface, this foam core has a thin plastic lamination that prevents moisture from entering the foam core, protects the foam core from damage, and provides an improved appearance.
  • the hinge may then be attached to the laminated surface and / or to the foam core.
  • the hinge is non-positively connected to the hatch cover, preferably by means of an adhesive bond.
  • Such hatch has a very low weight and further simplifies assembly.
  • the weight of the bottom closure device is not fully absorbed due to the support of a spring-type mechanism, the handling and use of a bottom closure device according to the invention is nevertheless due to the small size Weight simplified.
  • no special support devices for the lid must be provided, whereby a bottom closure device is simplified overall and cost-effective.
  • the object in an assembly method of the type mentioned for a Bodenab gleichvorraum, in particular attic stairs in or on an opening formed in a ceiling or a bottom in particular according to one of the preceding embodiments, which a mounting portion, a hatch cover and a hinge, comprising the steps of: positively connecting the hinge with the mounting portion, preferably in an open position of the hatch cover; Aligning the hatch cover relative to the opening; Locking the positive connection.
  • the step of positively connecting the hinge to the mounting portion comprises hooking a first hinge-side positive-locking element into a second fastening-segment-side molded element.
  • a suspension is particularly preferred since this is an easy way to produce a positive connection.
  • the alignment of the hatch cover relative to the opening is carried out so that the hatch cover is substantially flush with a surface adjacent to the opening, for example, ceiling of a room.
  • the locking is preferably carried out as a positive locking approximately by means of a click connection.
  • a non-positive locking for example by means of a screw and / or a rotary lock according to the invention and preferred.
  • this has an upstream step of mounting a frame with a mounting portion in or at the opening.
  • This assembly step is particularly preferred when a bottom closure device to be mounted has a frame that is adapted to be placed in the opening.
  • a frame we also referred to as a hatch box and is preferably designed as such.
  • a fixing portion and / or a holding device for holding the Hatch cover arranged in a closed position. Since the frame and the hatch cover are separated from each other before assembly, assembly is further simplified.
  • the frame is preferably designed so that it can be mounted by a person alone. In particular, the frame is not too heavy.
  • the mounting method according to the invention is performed by a single person, the mounting method is so simple that assembly time is saved according to the invention, also the safety of such a mounting method according to the invention is increased because the individual parts (frame and hatch cover) a have low weight and are easy to assemble one another.
  • the mounting of the hatch cover takes place after the mounting of the hatch box and also after the mounting of the terminal device, in particular the staircase.
  • the screws are preassembled.
  • the terminal device comprises a strip according to one of the preferred embodiments of the invention, which in the respective associated leg of the hinge provides a plurality of through holes having a first and second portion, wherein in the second portion along the edge respectively a through-hole a clamping bead is formed.
  • the in the FIGS. 1 and 2 shown bottom closure device 1 has a mounting portion 4, which is arranged according to this embodiment at an inner portion of a frame 10 which is adapted to be arranged in an opening, also called hatch, a ceiling or floor (ceiling and opening not shown).
  • the bottom closure device 1 has a hatch cover 6, which is connected by means of a hinge 8 pivotally connected to the mounting portion 4 of the bottom closure device 1.
  • a hinge 8 of the hatch cover 6 between an open position (in the FIGS. 1 . 2 shown) and a closed position (in the Figures 3 . 6 shown) pivotable.
  • a seal 16 is arranged circumferentially.
  • This seal 16 is secured to the frame 10 so as to sealingly cooperate with the hatch 6 if the hatch cover 6 is in a closed position.
  • two first holding elements 12, 14 of a holding device 12, 13, 14, 15 of the bottom closure device 1 are arranged.
  • the first holding members 12, 14 are adapted to cooperate with the second holding members 13, 15, which are arranged on an inner side of the frame 10, in a form-fitting manner, in order to hold the hatch cover 6 in a closed position.
  • a staircase 2 which has a plurality of rungs 3, arranged on the bottom closure device 1.
  • the staircase 2 is formed in several parts foldable and pivotally attached to an upper end to the interior of the frame 10. In a folded state ( Figures 3 . 6 ) the staircase 2 is pivotable through the frame 10, and the hatch cover 6 is then closable.
  • a bottom closure device 1 on a hatch cover 6 which is connected by means of a hinge 8 pivotally connected to a frame 10 of the bottom closure device 1 positively.
  • the first leg 30 of the hinge 8 is positively connected to the mounting portion 4 of the bottom closure device 1.
  • the second leg 32 of the hinge 8 is connected via a flexible portion 34 pivotally connected to the first leg 30 and connected according to this embodiment, both positive and non-positive with the hatch cover 6.
  • the hatch cover 6 is formed here as a one-piece hatch cover 6, which is formed essentially of an insulating material.
  • the hatch cover essentially consists of a foam core 24 and has on a lower side a thin planar shuttering element 26.
  • the bottom closure device is in the locked state (as in FIG. 3 shown) formed substantially flush.
  • the positive connection of the hinge 8 with the mounting portion 4 is carried out here via two corresponding form-fitting elements, namely a first hinge-side form-fitting element 31 and a second fastening section-side form-fitting element 28.
  • the second fastening section-side positive-locking element 28 is in FIG. 4 shown in more detail, whereas the first hinge-side positive-locking element 31 in FIG. 5 is shown.
  • the interaction of these positive locking elements is in FIG. 3 shown.
  • the first positive locking element 31 is formed according to this embodiment as an oblique projection at one end of the first leg 30 of the hinge 8. This oblique projection 31 engages behind a chamfer 29 on the form-fitting element 28, which together with an inner surface of the frame 10 forms a substantially V-shaped portion.
  • a substantially hooking of the first form-fitting element 31 into the second form-fitting element 28 is required.
  • a vertically projecting rib 36 is disposed on the first leg 30 of the hinge 8, which serves on the one hand as a spacer for the first leg 30 relative to the frame 10 and on the other hand as a stop in the positioning of the hinge 8 relative to the second positive locking element 28th ,
  • the bevel 29 is formed on the main body 27 of the second positive locking element 28.
  • the main body 27 is substantially rectangular and flat.
  • this base body 27 is made as flat as possible in order to achieve a small size and save material.
  • its thickness is designed so that a secure positive connection can be produced.
  • two fastening cylinders 42, 44 are arranged on the side facing away from the hinge 8. These cylinders can cooperate positively and / or non-positively with bores of the fastening section 4 or of the frame 10.
  • ribs or shafts 40 are arranged on the hinge 8 side facing the base body 27 . These ribs or shafts 40 serve to simplify accurate vertical positioning of the hinge 8 with respect to the first positive locking element 28.
  • a surface section 41 of the first leg 30 preferably also has such corrugations or ribs (FIG. FIG. 5 ).
  • the first positive locking element 28 in the main body 27 has a through hole 46.
  • This through-bore 46 may serve to cooperate with, for example, a screw or a nail or the like to further secure the interlocking element 28 against the attachment portion 4 and the frame 10, respectively.
  • the bore 46 serves to release a passage for a locking means of the positive connection, such as a screw.
  • the first positive locking element 28 is preferably formed in an axial length along the hinge 8 corresponding to the length of the hinge 8.
  • first positive locking element 28 may be integral with the frame 10.
  • FIG. 3 . 5 are on the first leg 30 of the hinge 8, the first positive locking element 31 and the vertical stop 36 spaced apart by the surface 41 from each other.
  • a vertical height of the surface 41, perpendicular to a longitudinal direction of the hinge 8, is smaller than a vertical height of the base body 27 of the second form-fitting element 28 in the same longitudinal direction.
  • the first leg 30 of the hinge 8 is engageable with the first positive locking element 31 with the second positive locking element 28 and then vertically between the two stop positions: (1.) first positive locking element 31 abuts bevel 29; (2.) Stop 36 is located at the lower end of the body 27 to position.
  • the second leg 32 of the hinge 8 is formed according to this embodiment in a vertical height corresponding to the thickness of the hatch cover 6.
  • the second leg 32 can be adhesively bonded to a rear surface 52 against a lateral surface of the insulating foam core 24 of the hatch cover 6.
  • this has two vertically projecting ribs 38, 39.
  • These ribs 38, 39 are adapted to engage in corresponding recesses on the insulating foam core 24 and thus better secure it against the second leg 32.
  • the free portions 23, 25 at the vertical ends of the second leg 32 are adapted to receive a shuttering element 26 or a lamination.
  • the surface flush of the hatch cover is further developed.
  • the flexible portion 34 is arranged between the two legs 30, 32 so that it is substantially flush with the shuttering element 26 and terminates depending on the orientation of the form-locking elements 28, 31 against each other flush with the frame 10.
  • a compensating element or insulating element can be arranged in the gap between the frame 10, the stop 36 and the leg 30.
  • In the second leg 32 has two through holes 48, 50 are formed. These through-holes 48, 50 are preferably arranged at the locations at which, in an assembled state, the corresponding through-holes 46 of the first positive-locking element 28 (FIG. FIG. 4 ) to sit. If the through-bore 46 is used to arrange a screw as a locking means of the positive connection, the screw head may extend through the through-holes 48, 50. So the hinge 8 is better collapsible.
  • both first positive locking element 28 and the hinge 8 are integrally formed, preferably made of a flexible material, such as plastic.
  • both parts 28, 8 are simple and inexpensive to produce, for example as an injection molded part.
  • FIGS. 4 . 6 . 7 has a slightly thinner hatch cover 6, a slightly changed hinge 8 and in contrast to the first embodiment ( Figures 3 . 4 . 5 ) a circumferential seal 16.
  • the positive connection between the first positive locking element 31 of the first leg 30 and the second positive locking element 28 of the fastening portion 4 is substantially carried out according to the first embodiment, and it is fully incorporated by reference to the above descriptions.
  • an oblique projection 31 is disposed on the first leg 30 of the hinge 8, behind a bevel 29 of the positive-locking element 28, which corresponds to the positive-locking element 28 according to FIG FIG. 4 is trained, attacks.
  • this positive connection between the first leg 30 and mounting portion 4 for example, be designed as a Velcro connection.
  • a Velcro connection leads to a simple first positive connection between the hinge 8 and the mounting portion 4. This positive connection can then be locked, for example via screws, nails, bolts or the like subsequently.
  • the hinge 8 according to the second embodiment ( FIG. 7 ) has at the first leg 30 spaced from the first positive locking element 31 has a shoulder 37 which is not formed here as the rib 36, but more massive. Thus, there is no gap between the frame 10, rib 36 and first leg 30. The gap is filled by the paragraph 37.
  • the flexible portion 34 is disposed slightly below the surface formed by the hatch cover 6, frame 10 and ceiling (not shown). Preferably, this projection of the flexible portion 34 is made as flat as possible.
  • the hinge 8 according to FIG. 7 has at the second leg 32 spaced from each other and slightly spaced from the vertical ends of the second leg 32 has two ribs 38, 39 which respectively on their upper and lower sides ribs or
  • the hatch cover 6 is formed substantially in one piece, with a Isolierschaumkern 24 and two Verschalungs instituten 26a, 26b on the top and bottom of the hatch cover 6. Similar to the first embodiment, the hinge 8 on the first leg 30 at the Section 41 ribs or waves to cooperate with ribs or shafts 40 of the second positive locking element 28.
  • two through holes 49, 51 are arranged, which are preferably arranged aligned in the assembled state with corresponding holes 46 on the second form-fitting element 28, so that a screw which, for example, as a locking means for locking the positive connection between the first leg 30 and mounting portion is used, can be guided through these through holes 49, 51.
  • the assembly of a floor finishing device 1 is the same in these two first embodiments and described below:
  • the bottom closure device 1 for example, in two parts, by the frame 10 is pre-assembled with the second positive locking element 28 and hinge 8 and hatch cover 6 are pre-assembled.
  • the floor finishing device 1 is in such a disassembled state, first the frame 10 is to be arranged and fastened in an opening in, for example, a room ceiling. This is done via conventional fastening means, which are not further described here. If the frame 10 is mounted in the opening and secured, the positive connection between the hinge 8 and mounting portion 4 is to produce with second positive locking element 28.
  • the hinge 8 is preferably suspended in an unfolded state with the first leg 30 with the first positive locking element 31 in the chamfer 29 of the second positive locking element 28.
  • the first leg 30 can be aligned horizontally and vertically with respect to the second form-fitting element 28.
  • a screw through the through-hole 49, 51 and 46 is screwed.
  • the hatch cover 6 can be pivoted to a closed position, wherein retaining elements 12, 13, 14, 15 engage each other and hold the hatch cover 6 in a closed position.
  • neither positive locking element 28 nor hinge 8 are pre-assembled on the frame 10 or on the hatch cover 6. Therefore, it is preferred, before the positive connection between the first leg 30 and the positive locking element 31 and the second positive locking element 28 is made to mount the second positive locking element 28 to the frame 10 and the hinge 8 to be mounted on the hatch cover 6.
  • the positive-locking element 28 is pressed by means of the two mounting cylinders 42, 44 in holes on the frame 10, whereby the positive-locking element 28 is connected to the frame 10.
  • the hinge 8 is assembled with the hatch cover 6 by inserting the ribs 38, 39 into the corresponding recesses on the hatch cover 6.
  • an adhesive bond is provided between the surface 52 and the hatch cover 6, so that the hatch cover 6 is better connected to the hinge 8. Subsequently, the above steps of connecting the positive connection are performed.
  • a third embodiment of a hinge 8 for a bottom closure device 1 is shown, which is positively connected to a second positive locking element 28.
  • the hinge 8 has a first leg 30, which is pivotably connected via a flexible section 34 to a second leg 32.
  • the second leg 32 is configured to be disposed on a hatch cover (not shown).
  • two angled ribs 74, 76 are arranged according to this embodiment, which are adapted to cooperate with the second positive locking element 28, to connect the hinge 8 positively with a mounting portion 4 (not shown).
  • the angled ribs 74, 76 engage behind tangible sections.
  • a rotary key 60 is arranged on the first leg 30, which has a base body 62 and a handle 64 formed thereon and is rotatable about a rotation axis 66, which is arranged perpendicular to a longitudinal direction of the hinge 8.
  • the key 60 is rotatably supported by a bolt passing through the first leg 30 (bolt and recess not shown).
  • An oval disk 70 is disposed eccentrically on the bolt (not shown) such that a central axis 72 of the oval disk 70 is arranged at a distance parallel to the axis of rotation 66 of the rotary key 60.
  • the second positive locking element 28 has in this third embodiment ( FIG. 9 ) a first leg 78 and a second leg 80, which angled and in the Are formed substantially strip-shaped.
  • the second form-fitting element 28 is connected to a section 82 of the first leg 78 on the attachment section 4 or with the frame 10.
  • the two legs 78, 80 are formed in a longitudinal extent corresponding to the length of the hinge 8.
  • Each leg 78, 80 has at one end a protruding portion 84, 86 which is spaced relative to the mounting portion 82.
  • the two legs 78, 80 are arranged so that they are movable relative to one another such that the two sections 84, 86 are movable towards one another or away from one another.
  • the two legs 78, 80 are arranged displaced relative to each other so that the distance between the sections 84, 86 is small, and the first leg 30 is engageable with the interlocking element 28.
  • the two legs 78, 80 of the second positive locking element 28 are arranged pushed apart relative to each other, so that the projecting portions 84, 86 of the second positive locking element 28, the two angled ribs 74, 76 engage behind.
  • the sliding apart of the two legs 78, 80 is effected according to this embodiment by means of the rotary key 60.
  • This key 60 is in a disassembled state in a horizontal position (not shown). If the first leg 30 is brought into positive engagement with the second form-fitting element 28, the oval disk 70 rests against the two lugs 88, 90, which are each arranged on a leg 78, 80 of the second form-fitting element 28.
  • the oval disc 70 is eccentrically rotated about the axis 66, thereby acting on the lugs 88, 90, that the two legs 78, 80 are pushed apart, so that the two projecting portions 84, 86, the angled ribs 74, 76 behind. Is the key 60 turned to this vertical position ( FIG. 8 . FIG. 10 ), the locking element 68, which is designed here as a latching nose 68, engage the leg 30, whereby an unintentional rotation of the key 60 is reversibly prevented.
  • FIG. 8-10 An assembly of a bottom closure device comprising a hinge 8 according to the third embodiment ( Figures 8-10 ) is to be carried out as follows:
  • the two legs 78, 80 are to be moved to the starting position, if they are not in this.
  • the positive-locking element 28 springs, which in addition are arranged to bias the two legs against each other. If these legs 78, 80 offset from each other, the leg 30 of the hinge 8 with the two angled ribs 74, 76 can be slipped over the second positive locking element 28, wherein this everting can be carried out here essentially a hanging and folding accordingly.
  • the hinge 8 has one or more, in particular two or a plurality of rotary keys 60, which are arranged in a longitudinal direction of the hinge spaced from each other.
  • FIGS. 11 to 13 illustrate a hinge 8 according to a fourth embodiment.
  • the same and similar elements are provided with the same reference numerals, inasmuch as reference is made in full to the above description.
  • the hinge 8 has a first leg 30 and a second leg 32, which are interconnected via the flexible portion 34.
  • the hinge 8 is preferably formed of a plastic and in one piece.
  • the second leg 32 has at its lower end (based on FIG. 12 ) a free portion 23, for receiving a shuttering element 26 (see FIG. 11 ).
  • the second leg has a rib 39, which is designed to engage in a hatch cover 6.
  • a free portion 25 is formed, which in turn is adapted to receive a shuttering element.
  • a protrusion 106 is formed, such that in the area between the first leg 30 and the second leg 32, a gap 108 is formed.
  • the first leg 30 has two ribs or legs 102, 104, which are formed in a cross section substantially L-shaped and together define a tangible portion 100. Further, the leg 30 has a plurality of through holes 110 (each designated 110, only two provided with reference numerals).
  • a plurality of screws 112 are arranged on the attachment portion 4, which have a screw head 114 and a screw shank.
  • the screw head 114 has a larger diameter than the screw shaft 116.
  • the screw shaft 116 has a free length outside the fastening section 4.
  • the screw 112 is therefore not completely screwed.
  • the screws 112 are pre-assembled.
  • the through holes 110 of the leg 30 have a diameter such that the hinge 8 can be plugged onto the screws 112 such that the screw heads 114 project through the through holes 110 into the free region 108.
  • a plurality of through holes 140 are arranged in the base body 132 of the locking strip 130.
  • the number of the through holes 140 is preferably selected according to the number of the through holes 110 and the number of the screws 112, respectively.
  • the through holes 140 have a substantially pear-shaped shape. They have a first portion 142 having a first diameter and a second portion connected to the first portion having a second diameter, wherein the second diameter is smaller than the first diameter.
  • the first diameter of the first portion 142 is equal to or greater than the diameter of the screw head 114 selected so that the screw head 114 can be pushed through the first portion 142.
  • the diameter of the second portion 144 is equal to or greater than the diameter of the screw shaft 116, but smaller than the diameter of the screw head 114.
  • the locking strip 130 is not already arranged in the behind tangible portion 100, which is preferred, this is first in the engage behind section 100. It is preferable that the first portions 142 of the through holes 140 coincide with the through holes 110 of the leg 30. Preferably, the central axes of the sections 142 are substantially coaxial with the central axes of the through-holes 110. Subsequently, the hinge 8 with the leg 30 is to be mounted on the screws 112. In this case, the screws 112 extend with their screw heads 114 through the through holes 110 and the holes 140 into the free area 108 inside.
  • the locking strip 130 is to be moved along its longitudinal axis so that the second portions 144 of the holes 140 engage around the screw shafts 116 and the clamping bead 146 is in contact with the screw heads 114. So the positive connection is made and locked.
  • first sealing strip 216c of the double seal according to a preferred embodiment of the invention is shown.
  • the first sealing strip 216 c is adapted to receive in a section 221, the front side of the hatch cover and pressed up on this.
  • the front side of the hatch cover is in this case the one which is arranged opposite the hinge.
  • the first sealing strip 216c has a sealing lip 222 which extends over the entire width of the first sealing strip 216c and is adapted to be brought into sealing contact with an edge of the opening adjacent the first sealing strip 216c.
  • This can with a bottom closure device with Frame, for example, the Bewandung on the inside of the frame 10 (see Figures 16 and 17 ).
  • FIGS. 15a and 15b show a second sealing strip for the double seal according to a preferred embodiment of the invention.
  • the second sealing strip 216a has a receiving portion 217, which is adapted to receive a side part of the frame 10 of the bottom closure device.
  • An abutment portion 219 is provided on the second sealing strip 216a to be engaged with the ceiling surface disposed adjacent to the opening.
  • the second sealing strip 216a has a sealing lip 224 which extends substantially along the entire length of the second sealing strip 216a.
  • the sealing lip 224 is adapted to extend inwardly into the opening and sealingly contact the hatch cover of the ground closure device (see FIG. 17 ).
  • FIG. 16 an embodiment of the bottom closure device 1 according to the invention is shown with a double seal.
  • the bottom closure device 1 has a frame, on the underside of which two cover strips 216b are respectively arranged on the front sides.
  • the cover strips 216b correspond to their basic structure of the cover strip 216a from the FIGS. 15a and 15b However, unlike this cover 216a shown there, have no sealing lip.
  • the cover strips 216b are arranged on the side of the hinge and on the opposite side. On the longitudinal sides of the frame in each case a second cover strip 216a according to FIGS. 15a, 15b appropriate.
  • FIG. 17 the operation of the first sealing strip 216c of the so-called double seal is illustrated.
  • the bottom closure device 1 is shown together with the stairs 2 and the frame 10 in the mounted and closed position.
  • the hatch cover 6 is also attached.
  • On the left in FIG. 17 the side of the positive hinge is arranged.
  • At the bottom of the bottom closure device 1 there is arranged in a region 218 a cover strip 216b which surrounds the frame 10 on that side, but does not exert a sealing function.
  • the sealing function in area 218 is taken over by the positive-locking hinge (not shown).
  • an area 220 is arranged in FIG. 17 below is shown enlarged as a detailed view.
  • the cover strip 216b without a sealing function surrounds the frame 10 and the first cover strip 216c which engages on the front side of the hatch cover 6 is placed, with the sealing lip 222 in sealing contact with the frame or the frame encompassing portion of the cover strip 216b is in contact. Because the sealing lip 222 acting sealingly on this side is not arranged on the cover element 216b but on the first cover strip 216c assigned to the hatch cover 6, there is the advantage that the sealing lip only comes into contact with the opposite side of the frame 10 or the cover strip 216b comes into contact when the hatch cover is already almost completely closed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Hinges (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Floor Finish (AREA)
EP11182176.5A 2011-01-14 2011-09-21 Escalier de grenier Active EP2476814B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11182176T PL2476814T3 (pl) 2011-01-14 2011-09-21 Schody strychowe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202011001576U DE202011001576U1 (de) 2011-01-14 2011-01-14 Bodenabschlussvorrichtung, insbesondere Dachbodentreppe mit einem Kunststoffscharnier

Publications (3)

Publication Number Publication Date
EP2476814A2 true EP2476814A2 (fr) 2012-07-18
EP2476814A3 EP2476814A3 (fr) 2014-12-10
EP2476814B1 EP2476814B1 (fr) 2021-05-05

Family

ID=44508160

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11182176.5A Active EP2476814B1 (fr) 2011-01-14 2011-09-21 Escalier de grenier

Country Status (4)

Country Link
EP (1) EP2476814B1 (fr)
DE (1) DE202011001576U1 (fr)
DK (1) DK2476814T3 (fr)
PL (1) PL2476814T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106677450A (zh) * 2017-03-11 2017-05-17 陈彦名 一种节约空间型智能活动楼梯
DE202018100196U1 (de) 2017-12-22 2018-03-14 Dolle A/S Bodentreppe

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL228252B1 (pl) * 2013-01-14 2018-03-30 Fakro Pp Spolka Z Ograniczona Odpowiedzialnoscia Schody składane, zwłaszcza lekkie, drewniane

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2830317A1 (de) * 1978-07-10 1980-01-24 Henke Kg Wilhelm Bodentreppe
JPH09328982A (ja) * 1996-06-11 1997-12-22 Osaka Kanagu Kk 天井裏収納庫用梯子
DE29713540U1 (de) * 1997-07-30 1997-09-18 Diener, Horst, 89079 Ulm Gebäudetür oder -fenster mit einem Filmscharnier
AT4864U1 (de) * 1998-10-23 2001-12-27 Wipplinger Robert Dachbodentreppe
US9109365B2 (en) * 2008-03-26 2015-08-18 Mccoy Building Products, Llc Insulated cover for attic openings

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106677450A (zh) * 2017-03-11 2017-05-17 陈彦名 一种节约空间型智能活动楼梯
DE202018100196U1 (de) 2017-12-22 2018-03-14 Dolle A/S Bodentreppe

Also Published As

Publication number Publication date
DK2476814T3 (da) 2021-06-21
EP2476814B1 (fr) 2021-05-05
EP2476814A3 (fr) 2014-12-10
DE202011001576U1 (de) 2011-07-27
PL2476814T3 (pl) 2021-11-02

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