FR2458646A1 - Support bracket for staircase steps mounted on central support - is pyramidal shape with rebated walls receiving fixing screws - Google Patents

Support bracket for staircase steps mounted on central support - is pyramidal shape with rebated walls receiving fixing screws Download PDF

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Publication number
FR2458646A1
FR2458646A1 FR7914663A FR7914663A FR2458646A1 FR 2458646 A1 FR2458646 A1 FR 2458646A1 FR 7914663 A FR7914663 A FR 7914663A FR 7914663 A FR7914663 A FR 7914663A FR 2458646 A1 FR2458646 A1 FR 2458646A1
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FR
France
Prior art keywords
rebated
console
bracket
fixing screws
stringer
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
FR7914663A
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French (fr)
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FR2458646B1 (en
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to FR7914663A priority Critical patent/FR2458646A1/en
Publication of FR2458646A1 publication Critical patent/FR2458646A1/en
Application granted granted Critical
Publication of FR2458646B1 publication Critical patent/FR2458646B1/fr
Granted legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • E04F11/022Stairways; Layouts thereof characterised by the supporting structure
    • E04F11/025Stairways having stringers
    • E04F11/028Stairways having stringers having a central stringer

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

Abstract

The bracket or cleat (6) is pyramid shaped and has three faces, one of which is perpendicular to the base. Two upright solid bracket walls are rebated along their front edges and the rebates are holed (20) for screwing the bracket onto the sloping support (18), the bracket being fixed as low as possible. The same walls have top edge rebates so that a fixing can be made to the stair tread.

Description

Domaine de l'invention
L'invention- appartient au domaine de la finition des bâtiments. Elle concerne un procédé de montage de marches d'escalier sur un limon central, grâce à une console utilisable sous forme standard, quelle que soit la pente de celui-ci.
Field of the invention
The invention belongs to the field of building finishing. It relates to a method of mounting stair treads on a central stringer, using a console usable in standard form, whatever the slope thereof.

Technioue antérieure
La mise en place de marches d'escalier sur limon central se fait généralement par entailles dans celui-ci et pose d'un support de marches dans chaque entaille. L'entaille doit être adaptée en longueur et hauteur à la profondeur de chaque marche et à sa distance à la marche voisine. Lorsque le limon n'est pas à pente constante, en particulier lorsqu'il présente une partie courbe en prolongement d'une partie rectiligne, ou quand I'esce- lier tourne par succession de plusieurs limons de pentes différentes, il apparaît d'évidence que cette technique n'est pas susceptible d'emploi d'éléments standards, elle est donc coûteuse et exige un personnel de pose très spécialisé. De plus, la flèche en bout de marche, suivant la charge, est telle qu'elle interdit la pose d'une contre-marche.
Previous technioue
The installation of stair treads on central stringer is generally done by notches in this one and poses of a support of steps in each notch. The notch must be adapted in length and height to the depth of each step and to its distance from the neighboring step. When the stringer does not have a constant slope, in particular when it has a curved part in continuation of a straight part, or when the staircase turns by succession of several strings of different slopes, it is obvious that this technique is not capable of using standard elements, it is therefore expensive and requires very specialized installation personnel. In addition, the arrow at the end of the step, depending on the load, is such that it prohibits the installation of a step.

Exposé de l'invention
L'invention se rapporte à une application, nouvelle dans le domaine de la construction des escaliers, d'un elément déjà connu, mais utilisé jusqu'à present uniquement dans la réalisation des charpentes de toit. Il s'agit de l'utilisation d'une échantignole, pièce normalement destiné8 à relier une panne à un arbaletrier, comme console latérale d'une marche d'escalier à limon central.
Statement of the invention
The invention relates to an application, new in the field of staircase construction, of an element already known, but used until now only in the production of roof frames. This involves the use of a sample, a part normally intended8 to connect a purlin to a crossbowman, as the side console of a staircase with central stringer.

L'invention concerne alors un procédé nouveau de liaison et de soutien de marche d'escalier sur un limon central, caractérisée par l'emploi d'une échantignole comme console latérale, celle-ci ayant la forme d'une pyramide à quatre côtés, une base et trois faces, une de ces dernières étant perpendiculaires à la base. The invention therefore relates to a new method of connecting and supporting stair treads on a central stringer, characterized by the use of a sample as a side console, the latter having the shape of a pyramid with four sides, a base and three faces, one of the latter being perpendicular to the base.

Le procédé de l'invention apporte un résultat nouveau par rapport aux procédés connus de la technique actuelle, à savoir qu'avec des consoles toutes identiques, et donc fabriquées suivant une seule norme standard, on peut réaliser tous escaliers à limon central plan, quelle que soit la pente, constante ou variable, ou que ces escaliers comportent un seul ou plusieurs limons successifs faisant des angles entre eux. The process of the invention provides a new result compared to the processes known in the current art, namely that with consoles which are all identical, and therefore manufactured according to a single standard standard, any staircase with a flat central stringer can be produced, whatever whether the slope, constant or variable, or that these staircases have one or more successive stringers making angles between them.

Le procédé de l'invention apporte en outre un autre résultat nouveau, à savoir une flèche en bout de marche pmatique- ment nulle et donc la possibilité d'installer une contre-marche, ce qui n'était pas le cas avec la technique classique jusqu'à présent. L'emploi de consolas, réalisées sous forme d'échantignoles de 20 cm environ de côté, disposées de part et d'autre d'un limon de 7 à 10 cm environ d'épaisseur, ne laisse en effet comme partie libre non soutenue d'une marche classique de 90 à 100 cm qu'une longueur voisine de 25 cm environ. La flèche possible en bout de marche apparaît à l'évidence comme pratiquement nulle. The method of the invention also provides another new result, namely an arrow at the bottom of the step practically zero and therefore the possibility of installing a step, which was not the case with the conventional technique. until now. The use of consolas, produced in the form of specimens of approximately 20 cm on each side, placed on either side of a stringer of approximately 7 to 10 cm thick, leaves in effect as an unsupported free part d '' a traditional step of 90 to 100 cm that a length close to 25 cm approximately. The possible deflection at the end of the step obviously appears to be practically zero.

La console elle-même peut présenter plusieurs formes de réalisation sans sortir du cadre de l'invention. Elle peut être un coin à faces continues ; elle peut aussi être un dièdre en matériau rigide, tole par exemple, à deux faces triangulaires, chaque face étant rabattue sur chaque côté du triangle adjacent à l'arrête de manière à former un rebord plan. The console itself can have several embodiments without departing from the scope of the invention. It can be a corner with continuous faces; it can also be a dihedral in rigid material, sheet metal for example, with two triangular faces, each face being folded down on each side of the triangle adjacent to the edge so as to form a flat edge.

Enoncé des figurais
La Fig. 1 est un schéma montrant de profil deux limons de pentes différentes, avec console et marche installées.
Statement of figurines
Fig. 1 is a diagram showing in profile two stringers of different slopes, with console and step installed.

La Fig. 2 est une vue perspective d'une forme de réalisation de la console de l'invention. Fig. 2 is a perspective view of an embodiment of the console of the invention.

La Fig. 3 est une élévation de la console de la Fig. 2 en place sur un limon. Elle correspond aussi à la vue suivant
III-III de la Fig. 4.
Fig. 3 is an elevation of the console of FIG. 2 in place on a stringer. It also corresponds to the following view
III-III of Fig. 4.

La Fig. 4 est vue suivant IV-IV de la Fig. 3. Fig. 4 is seen along IV-IV of FIG. 3.

La Fig. 5 est une vue suivant V-V ae la Fig. 4. Fig. 5 is a view along V-V in FIG. 4.

Description détaillée
Sur la Fig. 1, on a désigné par 1 la tranche supérieure d'un limon de pente a, et par 2, en traits interrompus, celle d'un autre limon de pente a'. Deux consoles 3 de l'invention sont conformées comme des échantignoles classiques et respectivement appliquées sur les deux limons de pente a et a' et supportent deux marches 4 et 5. On constate que la même console est utilisable dans les deux cas, le procédé de l'invention permet donc l'emploi de consoles de forme unique et de dimensions standardisées.
detailed description
In Fig. 1, the upper edge of a stringer of slope a has been designated by 1, and by 2, in dashed lines, that of another stringer of slope a '. Two consoles 3 of the invention are shaped like conventional samples and respectively applied to the two stringers of slope a and a 'and support two steps 4 and 5. It can be seen that the same console can be used in both cases, the method of the invention therefore allows the use of consoles of unique shape and standardized dimensions.

La forme de réalisation de la console 6 des Figures 2 à 5 est un dièdre d'angle d'ouverture b, avec deux faces 7 et 8 et une arête 9. Les faces 7 et 8 ont une forme triangulaire et les deux côtés de chaque triangle autres que l'arrête 9, à savoir les cotés 10 et 11 pour la face 7 et 12 et 13 pour la face a, sont rabattus de manière à former des rebords plans 14 et 15 d'une part et 16 et 17 d'autre part. Les rebords 14 et 16 sont dans le même plan et les rebords 15 et 17 sont aussi dans un même plan, ce dernier plan étant rectangulaire au plan commun des rebords 14 et 16. The embodiment of the console 6 of Figures 2 to 5 is a dihedral with an opening angle b, with two faces 7 and 8 and an edge 9. The faces 7 and 8 have a triangular shape and the two sides of each triangle other than edge 9, namely the sides 10 and 11 for the face 7 and 12 and 13 for the face a, are folded so as to form flat edges 14 and 15 on the one hand and 16 and 17 of somewhere else. The flanges 14 and 16 are in the same plane and the flanges 15 and 17 are also in the same plane, the latter plane being rectangular to the common plane of the flanges 14 and 16.

Sur les Figures 4 et 5, on voit aeux consoles 6 en place symétriquement de part et d'autre d'un limon central 18 et sur lesquelles repose une marche 19. Les rebords des consoles sont ici percés de trous 20 pour le passage de vis 21 de fixation tant de la console sur le limon que des marches sur la consola. In Figures 4 and 5, we see two consoles 6 in place symmetrically on either side of a central stringer 18 and on which rests a step 19. The edges of the consoles are here pierced with holes 20 for the passage of screws 21 for fixing both the console on the stringer and the steps on the console.

Dans la mise en oeuvre du procédé de l'invention, la console est appliquée sur le limon central de manière que sa tranche avant, dans le sens de la montée, déborde seulement du limon de la hauteur nécessaire h (Fig. 3) pour que la marche une fois posée vienne au contact du limon, cette hauteur étant voisine de l'épaisseur de la marche 19. Grâce à cette manière de faire, on obtient la plus grande surface possible de contact entre console et limon.  In the implementation of the method of the invention, the console is applied to the central stringer so that its front edge, in the direction of the rise, protrudes only from the stringer of the necessary height h (Fig. 3) so that once placed, the step comes into contact with the stringer, this height being close to the thickness of the step 19. Thanks to this way of working, the largest possible contact area between console and stringer is obtained.

Claims (3)

REVENDICATIONS 1.- Procédé de liaison et de soutien de marche d'escalier sur un limon central, caractérisé - en ce qu'il consiste en l'application nouvelle de consoles latérales réalisées en forme d'échantignole pyramidale à 4 côtés, une base et trois faces, une des faces étant perpendiculaire à la base. 1.- A method of connecting and supporting stair treads on a central stringer, characterized - in that it consists of the new application of side consoles produced in the form of a pyramidal sample with 4 sides, a base and three faces, one of the faces being perpendicular to the base. 2.- Procédé selon la revendication 1, caractérisé - en ce qu'on fixe au limon central la base de la pyramide formée par la console et en ce que lton fixe la marche à la face de la pyramide perpendiculaire à la base. 2.- Method according to claim 1, characterized - in that fixed to the central stringer the base of the pyramid formed by the console and in that lton fixes the step to the face of the pyramid perpendicular to the base. 3.- Procédé selon la revendication 2, caractérisé - en ce que l'arête avant de la console, dans le sens de la montée, appliquée sur le limon central déborde de celui-ci d'une hauteur voisine de l'épaisseur de la marche à installer.  3.- Method according to claim 2, characterized - in that the front edge of the console, in the direction of the rise, applied to the central stringer extends beyond it by a height close to the thickness of the step to install.
FR7914663A 1979-06-05 1979-06-05 Support bracket for staircase steps mounted on central support - is pyramidal shape with rebated walls receiving fixing screws Granted FR2458646A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7914663A FR2458646A1 (en) 1979-06-05 1979-06-05 Support bracket for staircase steps mounted on central support - is pyramidal shape with rebated walls receiving fixing screws

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7914663A FR2458646A1 (en) 1979-06-05 1979-06-05 Support bracket for staircase steps mounted on central support - is pyramidal shape with rebated walls receiving fixing screws

Publications (2)

Publication Number Publication Date
FR2458646A1 true FR2458646A1 (en) 1981-01-02
FR2458646B1 FR2458646B1 (en) 1983-11-10

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FR7914663A Granted FR2458646A1 (en) 1979-06-05 1979-06-05 Support bracket for staircase steps mounted on central support - is pyramidal shape with rebated walls receiving fixing screws

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2918088A1 (en) * 2007-06-27 2009-01-02 Est Ingenierie Sarl Staircase i.e. metallic string staircase, for use during manufacturing of automobile body, has fixation units provided with support plate fixed to string and to steps, where support plate is embedded in housing provided in steps
FR2986024A1 (en) * 2012-01-19 2013-07-26 Escaliers Prosper Metal sheet for central stringboard staircase, has set of folds that carry flap in which opening is designed to fix slot by screwing, where opening is arranged in adapted position such that opening cooperate with slot

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1908697A1 (en) * 1969-02-21 1970-10-01 Stadtmueller Otto W Freeview built-in stairs made from prefabricated individual parts

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1908697A1 (en) * 1969-02-21 1970-10-01 Stadtmueller Otto W Freeview built-in stairs made from prefabricated individual parts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2918088A1 (en) * 2007-06-27 2009-01-02 Est Ingenierie Sarl Staircase i.e. metallic string staircase, for use during manufacturing of automobile body, has fixation units provided with support plate fixed to string and to steps, where support plate is embedded in housing provided in steps
FR2986024A1 (en) * 2012-01-19 2013-07-26 Escaliers Prosper Metal sheet for central stringboard staircase, has set of folds that carry flap in which opening is designed to fix slot by screwing, where opening is arranged in adapted position such that opening cooperate with slot

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Publication number Publication date
FR2458646B1 (en) 1983-11-10

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