WO2017042641A1 - Marche pour escalier modulaire - Google Patents

Marche pour escalier modulaire Download PDF

Info

Publication number
WO2017042641A1
WO2017042641A1 PCT/IB2016/053497 IB2016053497W WO2017042641A1 WO 2017042641 A1 WO2017042641 A1 WO 2017042641A1 IB 2016053497 W IB2016053497 W IB 2016053497W WO 2017042641 A1 WO2017042641 A1 WO 2017042641A1
Authority
WO
WIPO (PCT)
Prior art keywords
tread
step according
bracket
predisposed
upper bracket
Prior art date
Application number
PCT/IB2016/053497
Other languages
English (en)
Inventor
Luisa SAGGINATI
Original Assignee
Crima S.R.L.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Crima S.R.L. filed Critical Crima S.R.L.
Priority to EP16744854.7A priority Critical patent/EP3347542B1/fr
Priority to ES16744854T priority patent/ES2753781T3/es
Priority to US15/757,782 priority patent/US20180347204A1/en
Publication of WO2017042641A1 publication Critical patent/WO2017042641A1/fr

Links

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
    • E04F11/022—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
    • E04F11/09—Tread-and-riser units
    • 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
    • E04F11/104—Treads
    • E04F11/1041—Treads having means to adjust the height, the depth and/or the slope of the stair steps

Definitions

  • the present invention relates to a step for modular staircases, in particular intended to be used inside homes and the like.
  • sectional staircases manufactured in a modular way using superimposable construction units.
  • Such modular staircases have the advantage of being able to be designed in the place of production, and then mounted at the place of destination without requiring skilled personnel and specific instruments.
  • the above construction units generally consist of a step associated with a support body which permits the reciprocal assembly of the steps and also defines the riser between one step and another.
  • the individual steps are reciprocally associated, suitably separated the one from the other, at regular intervals defined by specific spacer elements.
  • An example of a staircase of this kind is shown in US 4,850,164.
  • sectional staircases of the aforementioned type the need is felt to vary the geometry of the staircase according to the actual dimensional requirement of the environment wherein the staircase itself is located, in particular by suitably regulating the riser between two successive steps.
  • the aim of the present invention is to solve the above problems by devising a step which permits making sectional staircases in a modular way through a limited number of construction elements.
  • a further object of the present invention is to provide a step for modular staircases which permits varying the riser between two successive steps in a simple and effective way.
  • a further object of the present invention is to provide a step for modular staircases that permits a simple and quick mounting in the place of installation.
  • Another object of the invention is to provide a step of simple construction and functional concept, with definitely reliable operation, which is versatile to use, and which has a relatively affordable cost.
  • the modular staircase is made up of steps comprising a portion of tread associated with a support body predisposed to permit assembling to an adjacent step and comprising a pair of beams extending substantially vertically during use, predisposed to be arranged facing one another in mounting position so as to define respective sides of the step.
  • an upper bracket and a lower bracket project perpendicularly, respectively extending on a horizontal plane in mounting position, predisposed the one for supporting the portion of tread of the step and the other for being secured to an opposite bracket of an adjacent step.
  • said upper bracket and said lower bracket together project towards the inside of the step.
  • said upper bracket and said lower bracket are obtained by bending from a metal sheet shaping said side.
  • said upper bracket and said lower bracket are substantially realized at the upper edge and the lower edge of said side.
  • said portion of tread is made stably integral by joining means to at least one front portion of said upper bracket.
  • the step comprises one or more spacer elements predisposed to be inserted between one said upper bracket and one lower bracket of the adjacent step to change the riser between the two steps themselves.
  • said spacer elements comprise shaped strips bearing a series of through holes predisposed to be crossed by joining means of the said brackets.
  • said tread portion comprises at least one shaped plate inserted through a corresponding slot made in each of said sides of the support body so as to appear projecting towards the inside of the same step.
  • At least one portion of said upper bracket is projecting towards the outside of the step and is arranged for the connection of supporting means of a parapet of the staircase or the like.
  • said portion projecting towards the outside of the step is a central portion of the front part of said upper bracket.
  • said portion projecting towards the outside of the step bears a through hole drilled for inserting an upright for supporting said staircase parapet.
  • the step according to the present invention is predisposed to make a helical staircase.
  • the portion of tread has a substantially trapezoid-shaped profile and is supported on an internal support body and an external support body, arranged at the smaller and larger bases of said substantially trapezoid-shaped profile.
  • said internal and external support bodies have respective sides, each of which conforming a pair of faces angled the one with respect to the other to follow the helical profile of the staircase.
  • respective upper and lower brackets extend towards the inside of the step, predisposed to support the portion of tread and to be secured to opposite upper brackets of the underlying step.
  • said upper brackets are split into a front part and a rear part, projecting from a corresponding face of the sides respectively.
  • said front part of the upper brackets is predisposed for securing itself to the lower brackets of the adjacent step, if necessary with the interposition of spacer elements, said rear part being arranged for securing said portion of tread.
  • figure 1 shows a side view of a portion of modular staircase realized through the step according to the present invention
  • figure 2 shows a section view of the same portion of staircase according to the outline plan ll-ll of figure 1 ;
  • figure 3 shows a plan view of a spacer element associable with the above step
  • figure 4 shows a side view of a portion of modular staircase using a different embodiment of the step according to the present invention
  • FIGS. 5 and 6 show a section view of the same portion of staircase according to the outline plan V-V and VI-VI respectively of figure 4;
  • figure 7 shows a side view of a portion of modular staircase using yet another embodiment of the step according to the present invention.
  • figure 8 shows a section view of the same portion of staircase according to the outline plan VIM-VIM of figure 7;
  • figure 9 shows a side view of a portion of modular staircase using yet another embodiment of the step according to the present invention.
  • figures 10 and 1 1 show a section view of the same portion of staircase according to the outline plan X-X and XI-XI respectively of figure 9;
  • figures 12 and 13 show respectively a plan view of a shaped plate supporting the portion of tread of the step, according to different embodiments
  • figure 14 shows a side view of a portion of modular staircase using yet another embodiment of the step according to the present invention.
  • FIGS. 16 and 18 show respectively a side view of a portion of modular staircase using further embodiments of the step according to the present invention
  • figures 17 and 19 show a section view of the same portion of staircase respectively according to the outline plan XVII-XVII of figure 16 and outline XIX-XIX of figure 18;
  • the step 1 comprises a portion of tread 2 associated with a support body 3 predisposed to permit the reciprocal assembly of adjacent steps.
  • the support body 3 comprises a pair of beams 4 which, in use, have a substantially vertical extension, predisposed to be arranged facing one another in mounting position so as to define respective sides 40 of the step.
  • a respective upper bracket 5 and a respective lower bracket 6 are projecting perpendicular from the sides 40 , the one predisposed for supporting the portion of tread 2 and the other for being secured to an opposite upper bracket 5 of the underlying step, by specific joining means 7, in practice a plurality of screw members.
  • the sides 40 are realized with a metal sheet, e.g., in steel.
  • the upper bracket 5 and the lower bracket 6 are obtained by bending the aforementioned metal sheet, preferably at the upper edge and the lower edge of the side 40. In use, the upper bracket 5 and the lower bracket 6 are preferably projecting together towards the inside of the step.
  • spacer elements 8 predisposed to adjust the riser between the two steps, are predisposed to be inserted.
  • spacer elements 8 consist of shaped strips of adequate thickness bearing a series of through holes 9 predisposed to be crossed by the screw bodies 7 joining the brackets 5, 6.
  • the spacer elements 8 are tightened, individually or in packs, between the opposite faces of the brackets 5, 6.
  • the upper bracket 5 extends along the entire upper edge of the side 40.
  • the front part of the upper brackets 5 supports the portion of tread 2.
  • the portion of tread 2 is made stably integral with the brackets 5 by further joining means 10, in practice a plurality of screw members.
  • the lower bracket 6 instead extends along a limited part of the lower edge of the side, in practice its front half.
  • the lower bracket 6 is thus able to be secured, with possible interposition of the spacer elements 8, to the rear part of the opposite upper bracket 5 of the underlying step.
  • the support bodies 3 of the adjacent steps must be reciprocally associated.
  • the upper bracket 5 of a step is fixed, by screw means 7, to the lower bracket of the adjacent step.
  • one or more spacer elements 8 are inserted and tightened in packs.
  • the insertion of the above spacer elements 8 determines a proportionate increase in the riser between the steps.
  • tread 2 of each step is then mounted to a corresponding support body 3.
  • the portion of tread 2 is fixed by screw means 10, to the upper bracket 5.
  • the step according to the present invention therefore achieves the object of realizing sectional staircases in a modular way by a limited number of construction elements which permit an easy and fast mounting at the place of installation.
  • the riser between two successive steps can be changed in a simple and effective way by inserting a suitable number of spacer elements.
  • the reduced thickness of such spacer element permits precisely modulating the change in riser, according to the actual staircase mounting requirements.
  • the reduced dimensions of the spacer elements do not substantially negatively affect the weight and overall dimensions of the materials needed to realize the staircase.
  • Figures 4, 5 and 6 show a different embodiment of the support body 3 wherein the portion of tread 2 is supported on the lower bracket 6 of the sides 40.
  • the lower bracket 6 has, usefully, a greater depth than the upper bracket 5, so as to allow inserting the screw means for fixing the portion of tread 2 without interfering with the spacer elements 8 interposed between the brackets 5, 6 themselves (see in particular figure 5).
  • Figures 7 and 8 show a further embodiment of the support body 3 wherein the front part of the upper brackets, supporting the portion of tread 2, for greater clarity indicated by 15, is realized at a lower height, in use, compared to the rear joining part to the adjacent step.
  • the difference in level between the front part and the rear part of the upper bracket is substantially equal to the thickness of the portion of tread 2.
  • Figures 9, 10, 1 1 , 12 and 13 show a further embodiment of the support body 3 wherein the portion of bracket, on which the portion of tread 2 is supported, is realized by shaped plates 16 inserted through specific slots 17 made in the side 40 of the support bodies 3, so as to project towards the inside of the step.
  • the use is provided of a pair of shaped plates 16, arranged coplanar, but the use is possible of a different number of shaped plates, e.g., just one shaped plate of larger size.
  • the shaped plates 16 have a head 18 predisposed to abut the outer surface of the side 3.
  • the head 18 also delimits, at one side, a recess 19 predisposed to perform the bayonet coupling of the shaped plate 16 on one side of the slot 17 (see the figure 12).
  • a lateral translation of the plate 16 itself is performed so as to achieve the aforementioned coupling (see in particular figure 1 1 ).
  • FIG 13 shows a different embodiment of the aforementioned shaped plate 16, wherein the head 18 has a shape widened from the outer side and has, from such outer side, a through hole 20 for the insertionof an upright for supporting the staircase parapet.
  • Figures 14 and 15 show a further embodiment of the support body 3 wherein the sides 40 bear drilled holes 21 , suitably distanced on a same horizontal plane, for the insertion of screw bodies 22 for fixing the tread portion 2.
  • screw bodies 22 replace the shaped plates of the previous example of embodiment.
  • Figures 16 and 17 show a further embodiment of the support body 3 wherein the front part 15 of the upper brackets supporting the portion of tread 2 is realized at a lower height than the rear part joining to the adjacent step, as in the case of the figures 7 and 8.
  • the support body 3 differs from the previously-shown solution inasmuch as the above front part of the upper brackets has a central portion 25 projecting towards the outside of the step. Such central portion 25 projecting towards the outside of the step bears a through hole 26 for the insertion of an upright for supporting the staircase parapet or the like.
  • Figures 18 and 19 show a further embodiment of the support body 3 which differs from the previous one inasmuch as the entire front part of the upper brackets projects towards the outside of the step and its central portion is located, during use, at a lower height and has a greater extension in cross direction to the side 40.
  • the central portion still indicated by 25, has a through hole 26 for the insertion of an upright for supporting the staircase parapet or the like; while the adjacent portions 27 are predisposed to support the portion of tread 2.
  • the step forming the subject of the present invention can be usefully used to make spiral staircases and the like, as shown in the figures 20 and 21 .
  • the portion of tread 2 has for example a substantially trapezoid guise, with the opposite support bodies arranged at the smaller and larger bases.
  • the step presents an internal support body and an external support body, for greater clarity indicated by 31 and 32, having a substantially identical conformation but dimensions different in relation to the different dimensions of the portion of tread 2.
  • the materials employed, as well as the shape and the dimensions, may be of any kind according to requirements.

Abstract

Cette invention concerne un marche pour escaliers modulaires, comprenant une partie de giron (2) associée à un corps de support (3) conçu pour permettre l'assemblage mutuel de marches adjacentes (1). Le corps de support (3) comprend une paire de poutres s'étendant sensiblement verticalement, conçues pour être agencées face à face dans la position de montage, de sorte à définir les côtés respectifs (40) de la marche (1). Une patte de fixation supérieure respective (5) et une patte de fixation inférieure respective (6) font saillie perpendiculairement à partir des côtés (40), l'une étant conçue pour supporter ladite partie de giron (2) et l'autre pour être fixée à une patte de fixation opposée (5) d'une marche adjacente (1).
PCT/IB2016/053497 2015-09-07 2016-06-14 Marche pour escalier modulaire WO2017042641A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP16744854.7A EP3347542B1 (fr) 2015-09-07 2016-06-14 Marche pour escalier modulaire
ES16744854T ES2753781T3 (es) 2015-09-07 2016-06-14 Escalón para escalera modular
US15/757,782 US20180347204A1 (en) 2015-09-07 2016-06-14 Step for modular staircase

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUB20157603 2015-09-07
IT202015000048927 2015-09-07

Publications (1)

Publication Number Publication Date
WO2017042641A1 true WO2017042641A1 (fr) 2017-03-16

Family

ID=56551429

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2016/053497 WO2017042641A1 (fr) 2015-09-07 2016-06-14 Marche pour escalier modulaire

Country Status (2)

Country Link
US (1) US20180347204A1 (fr)
WO (1) WO2017042641A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593683A (en) * 1949-07-20 1952-04-22 George W Lyons Prefabricated stair
US2724466A (en) * 1950-03-08 1955-11-22 George C Phillips Bracket for step and stair construction
BE859585A (fr) * 1977-10-11 1978-02-01 Willemsens Albert H Limon d'escalier droit
WO2008090462A1 (fr) * 2007-01-26 2008-07-31 Ferscale Srl Escalier à double structure
WO2014037968A1 (fr) * 2012-09-05 2014-03-13 Pivetta Daniele Module de limon pour escaliers autoportants

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US407887A (en) * 1889-07-30 Henry barry
US1774582A (en) * 1928-05-12 1930-09-02 Arthur L Woodbridge Spiral stairway
IT1279005B1 (it) * 1995-03-21 1997-12-02 Renato Mastella Scala metallica con struttura portante ad elementi modulari ad elevata semplicita' di assemblaggio
AT407887B (de) * 1999-04-15 2001-07-25 Minka Holz Und Metallverarbeit Bausatz für eine spindeltreppe
CA2299604A1 (fr) * 2000-02-25 2001-08-25 9078-7342 Quebec Inc. Systeme d'escalier modulaire, methode d'erection d'escalier et lot connexe
US7757443B2 (en) * 2006-04-06 2010-07-20 Acme Services Company, Llp Support system for stair treads
ITMI20071884A1 (it) * 2007-10-02 2009-04-03 Alessandro Maltini Elemento modulare per la realizzazione di scale fisse
US7971399B1 (en) * 2009-12-23 2011-07-05 Ronsheim Stephen E Stairway
CN103138518A (zh) * 2011-11-28 2013-06-05 台达电子工业股份有限公司 三相轴向磁通马达及其磁路调控方法
US9309675B2 (en) * 2014-09-01 2016-04-12 Kelly Kristian Kvols Stairway tread support device and system
US9803368B1 (en) * 2016-04-15 2017-10-31 Paul David Stehl Methods and systems of preparing and installing custom-made spiral staircases

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593683A (en) * 1949-07-20 1952-04-22 George W Lyons Prefabricated stair
US2724466A (en) * 1950-03-08 1955-11-22 George C Phillips Bracket for step and stair construction
BE859585A (fr) * 1977-10-11 1978-02-01 Willemsens Albert H Limon d'escalier droit
WO2008090462A1 (fr) * 2007-01-26 2008-07-31 Ferscale Srl Escalier à double structure
WO2014037968A1 (fr) * 2012-09-05 2014-03-13 Pivetta Daniele Module de limon pour escaliers autoportants

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