EP0774032B1 - Escalier a configuration variable - Google Patents
Escalier a configuration variable Download PDFInfo
- Publication number
- EP0774032B1 EP0774032B1 EP95943535A EP95943535A EP0774032B1 EP 0774032 B1 EP0774032 B1 EP 0774032B1 EP 95943535 A EP95943535 A EP 95943535A EP 95943535 A EP95943535 A EP 95943535A EP 0774032 B1 EP0774032 B1 EP 0774032B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tread
- steps according
- steps
- strings
- clamping
- 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.)
- Expired - Lifetime
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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
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
- E04F11/025—Stairways having stringers
- E04F11/0255—Stairways having stringers having adjustable gradient
Definitions
- the present invention relates to a staircase variable configuration.
- each configuration which determines the inclination of the stringers and the distance between steps, or can make custom staircases, which are delivered assembled, or which are instead assembled on site. Such stairs are expensive to manufacture as well as to install.
- the object of the invention is to propose a staircase to variable configuration which is particularly simple to make and install.
- the configuration staircase variable includes two parallel stringers, steps intended to extend parallel to each other each between the two stringers, and means for fixing the steps in adjustable position between the two stringers, characterized in that the fixing means include for each step at least one rod spanning the entire width of the step and each end of which is mounted a means of respective tightening to stress the two stringers one towards each other with compression of the step forming spacer.
- the steps are fixed like simple spacers between the stringers, they can if we wishes to be obtained by simple cutting off of a streamlined. There is no more to add to them lateral fixing.
- the assembly is very fast, and the rigidity of the assembly obtained is improved thanks to rigid and compressed bracing as the steps define between the stringers.
- the presence of at least a rod across the width of the tread strengthens this against bending under the weight of the or users.
- Stair mounting can be an operation simple and fast, requiring no qualification particular, nor complex tools.
- the means of clamping can be removable, allowing to disassemble the staircase and reassemble it on another site, with another configuration.
- This staircase with variable configuration whose steps and the two stringers are preferably made of aluminum profiles, can have other features as described in the claims.
- the stringers can be reinforced by sliding steel parts with inside the aluminum profile. And to facilitate still fixing the stairs both on the floor and at the top of the vertical wall against which the staircase is installed, screwable brackets and areas can be supplied with the staircase.
- the staircase can be sold as a kit.
- the staircase includes two side parts - or stringers - (1) in aluminum profile and steps (2) extending parallel to each other each between the two stringers.
- each profile or stringer turned towards the other silt, is extended along each of its edges by two clamping wings (4) terminated each by a guide rib (6) bent in opposite direction to the other stringer.
- the two edges side of the step are placed against the wall (3) of the two opposite stringers.
- Each shoe is, at least before tightening, freely orientable with respect to the plan of walking around a axis (39) parallel to the width of the step.
- each shoe is immobilized to avoid rotations around its axis (39) relative to the corresponding stringer.
- the grooves (9) of the hooves overlap the ribs (6) parallel to the longitudinal direction of the stringer (1).
- Each shoe has two clamping faces. These two clamping faces are located on either side groove (9) on each shoe. They have a offset corresponding to the thickness of the wing (4).
- One (38) (fig. 3) is designed to lean against the corresponding side edge of the step, and the other (11) is designed to lean against a face of clamping (41) of the stringer opposite to the step, and carried by the clamping wing (4).
- the two front hooves (7), located on both ends of the stair nosing (12), are crossed by a common anterior threaded rod (13) extending to inside the step along the step nose, in a housing with a diameter slightly greater than that of this rod. So the anterior threaded rod (13), is simply rotatable inside of the stair nosing, without being able to move away from the nosing of market.
- the two posterior hooves (8), neighbors of the edge rear (14) of the step, are identical to the hooves anterior (7). They are crossed by a threaded rod posterior (16) joint passing inside the market.
- this rear threaded rod (16) can slide freely in a housing (19) located inside the step and under the upper plane P of the step (2).
- This housing (19) extends along the edge back (14) of the step with a certain depth towards the stair nosing, and a very high slightly larger than the diameter of the threaded rod (16).
- the rear threaded rod (16) of each step is located at a freely adjustable distance from the anterior threaded rod (13).
- Each shoe is associated to a nut (17) screwed onto the threaded rod.
- Each shoe can, by screwing the nut (17) on the corresponding threaded rod, be urged towards the who wears it.
- the hooves thus tighten the stringers against the steps, which form spacers between the stringers.
- the rods threaded reinforce the steps against the bending.
- the step (2) will thus be fixed on the two stringers in a position freely chosen by the user.
- each anterior shoe (7) and posterior (8) comprises a retaining face (36; 46) which in service is parallel and adjacent to a longitudinal support face (37; 47) formed on the stringer to face upward when the stringer is in an inclined position on the stairs installed. So even in the event of loosening of a means clamping (7 or 8), the support of the retaining face (36 or 46) on the longitudinal support face (37 or 47) opposes the movement of the step down under the action of the weight of the user of the stairs.
- the walk has a depth (distance between the nose (12) and the rear edge (14)) sufficient for the two threaded rods can also take between them a greater distance corresponding to the position minimum angle between the steps and the longitudinal direction of stringers (case of a staircase very little steep). We then tend to end up with steps unnecessarily deep, especially with regard to the standard depth.
- the housing (19) in which the rear rod (16) can slide to move more or less away from the rod anterior (13) is completed, along the rear edge (14) of the step, by a step (21) which is such that the two extreme positions of the posterior rod (16) are on a line L (Fig. 4) inclined towards the rear compared to the plan of the walk.
- Each stringer has a hollow profile body (22) of general rectangular section in which we can slide a reinforcing profile (42) (right part of the Figure 2), for example steel, in particular for reduce the flexibility of large stairs length.
- the hollow profile body has along its front and rear interior faces, parallel to the axis bending of the stringer, two longitudinal ribs (23) allowing the reinforcement profile to slide without play, but without excessive friction, inside the hollow body (22).
- the stringers tend to flex, they are prevented by the support of the ribs (23) against the reinforcing profile (42).
- each stringer also has two reinforcing appendages (24) and (26).
- the first (24) is connected to the front face of the oriented hollow body (22) towards the stair nosing.
- the second (26) is connected to the rear face of the hollow body (22) facing the edge back of the step.
- the front appendage (24) has on its turned side opposite the other stringer, a profiled groove (27) in T for fixing accessories such as a railing.
- brackets are provided (28) fixed in adjustable angular position against outer side of the stringers, so that the free wing (29) of these brackets is supported on the ground (31) and can be screwed into it.
- brackets (28) can be used for the fixing (1) stringers to the upper bearing (32) that the ladder achieves.
- the square is placed so that its free wing (29) is oriented vertically and can be screwed flat against the vertical wall (33) against which the staircase is supported.
- brackets (28) For fixing the brackets (28), you can in particular exploit the presence of the groove (27) and / or drill additional holes in the wall of the hollow body (22) and / or appendage (26).
- the staircase further includes for each stringer a piece (51), especially of wood, comprising two angled faces (52) straight and a cylindrical face (53) having for axis geometric the edge (54) between the two angled faces right (52).
- Each side (52) carries a stud rectangular (56) nestable in the hollow body (22) silts.
- a staircase as described so far can be sold as a kit.
- the installer of the staircase according to the invention determines, from the elevation and inclination of the stairs he wants the length of the stringers and the number of necessary steps. He buys two silts made at from profile cut to length, and the number of desired steps. Then he goes up, adjusts and fixes the steps, possibly places sectors then fixed the staircase thanks to the brackets.
- the stairs of the examples described are entirely removable and then reinstallable on another site. This is particularly interesting for example for site equipment.
- each step is carried out in two half-steps 61, 62 connected to each other by snap 63.
- the joint thus performed is parallel to the width of the step, that is to say perpendicular to the plane of Figure 4.
- the profile of the reverse half has a bulge 64 on its lower side. This is useful for increasing the stiffness of the steps when the width of the stairs is relatively large.
- the reinforcement can be secured by a third profile, higher than the half-steps 61 and 62 of Figure 4, and which, by snaps on, fits between half steps 61 and 62 in Figure 4, either in all cases or only when it is necessary to make a relatively wide staircase.
- the invention is not limited to examples described and shown.
- the support of retained between the front hooves and stringers could be made between the upper side of the front guide wing (6) and the adjacent face hoof.
- end caps that can be attached to the ends of silt for example by fitting into the body hollow, and to each of which is articulated along an axis parallel to the width of the steps a square whose the free wing can be fixed against the ground (31) or respectively the vertical wall (33).
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- Architecture (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
- Semiconductor Lasers (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Paper (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Endoscopes (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Ladders (AREA)
- Vending Machines For Individual Products (AREA)
- Confectionery (AREA)
Description
- la figure 1 est une vue en perspective d'une marche de l'escalier et de deux limons avec un arrachement montrant le moyen fixant la marche au limon ;
- la figure 2 est une vue du dessus de l'escalier montrant une marche, les profilés des deux limons latéraux et quatre moyens de fixation correspondants ;
- la figure 3 est une vue en détail de l'un des moyens de fixation ;
- la figure 4 est une vue de côté montrant le limon latéral incliné et par transparence deux marches horizontales successives ainsi que leurs moyens de fixation associés, une autre inclinaison possible du limon étant représentée en traits pointillés ;
- la figure 5 est une vue de côté montrant un limon latéral complet et les moyens pour fixer ce limon au sol et à plat contre la paroi verticale contre laquelle l'escalier est appuyé ;
- la figure 6 est une vue en perspective de la pièce pouvant être découpée en deux secteurs adaptables aux extrémités du limon ;
- la figure 7 est une vue de côté montrant un limon latéral complet en position sur site et les deux secteurs adaptables aux extrémités du limon ; et
- la figure 8 est une vue en coupe d'une variante de réalisation d'une marche.
Claims (20)
- Escalier à configuration variable comprenant deux limons (1) parallèles, des marches (2) destinées à s'étendre parallèlement les unes aux autres chacune entre les deux limons, et des moyens pour fixer les marches en position réglable entre les deux limons, caractérisé en ce que les moyens de fixation comprennent pour chaque marche au moins une tige (13 ou 16) s'étendant sur toute la largeur de la marche et à chaque extrémité de laquelle est monté un moyen de serrage respectif pour solliciter les deux limons l'un vers l'autre avec compression de la marche formant entretoise.
- Escalier selon la revendication 1, caractérisé en ce que chaque moyen de serrage comprend un écrou vissé (17) sur l'extrémité correspondante de la tige (13 ou 16) pour solliciter les deux limons (1) contre les deux faces latérales de la marche (2).
- Escalier selon la revendication 1 ou 2, caractérisé en ce que les marches sont réalisées à partir de tronçons profilés.
- Escalier selon l'une des revendications 1 à 4, caractérisé en ce que les moyens de fixation comprennent, pour chaque marche (2), deux tiges espacées l'une de l'autre dans le sens de la profondeur de la marche, et associées chacune à un moyen de serrage à chacune de ses extrémités, les moyens de serrage de l'une au moins des tiges étant réglables en position le long des limons.
- Escalier selon la revendication 4, caractérisé en ce que pour permettre de régler une orientation des marches par rapport à la direction longitudinale des limons (1), l'une au moins des tiges est déplaçable dans le sens de la profondeur de la marche.
- Escalier selon la revendication 5, caractérisé en ce que chaque marche (2) comporte pour la tige déplaçable un guidage dont les deux extrémités sont sur une ligne inclinée vers le bord arrière de la marche, relativement au plan de la marche.
- Escalier selon l'une des revendications 1 à 6, caractérisé en ce que les moyens de serrage (7 ou 8, 13 ou 16, 17) sont conçus pour exercer le serrage sur une glissière de réglage (4, 5) portée par le limon.
- Escalier selon l'une des revendications 1 à 7, caractérisé en ce que les moyens de serrage sont, au moins avant serrage, librement orientables par rapport au plan de la marche, et comprennent une face de retenue (36 ou 46) qui est parallèle et adjacente à une face de soutien longitudinale (37 ou 47) ménagée sur les limons de façon à être orientée vers le haut lorsque l'escalier est installé, de sorte que même en cas de desserrage d'un moyen de serrage le mouvement de la marche vers le bas sous l'action du poids de l'utilisateur de l'escalier est combattu par appui de la face de retenue (36 ou 46) sur la face de soutien (37 ou 47).
- Escalier selon l'une des revendications 1 à 8, caractérisé en ce que chaque moyen de serrage comprend un sabot orientable (7 ou 8) selon un axe parallèle à la largeur de la marche, et des moyens pour immobiliser le sabot par rapport au limon correspondant à l'encontre des rotations autour dudit axe.
- Escalier selon la revendication 9, caractérisé en ce que les moyens d'immobilisation sont des moyens d'accouplement à nervure (6) et rainure (9) parallèles à la direction longitudinale du limon (1).
- Escalier selon la revendication 10, caractérisé en ce que chaque limon comprend deux ailes de serrage opposées adjacentes au bord latéral de la marche, et raccordées par un coude chacune à ladite nervure (6) qui est dirigée à l'opposé de la marche, et en ce que chaque sabot comprend une rainure (9) pour chevaucher la nervure (6) et une face de serrage (11) pour s'appuyer sur l'aile de serrage (4).
- Escalier selon l'une des revendications 1 à 8, caractérisé en ce que chaque moyen de serrage comprend un sabot ayant deux faces de serrage, l'une (38) pour s'appuyer contre un bord latéral de la marche, l'autre (11) pour s'appuyer contre une face (41) de limon opposée à la marche, et des moyens (13 ou 16, 17) pour solliciter le sabot vers la marche.
- Escalier selon l'une quelconque des revendications 1 à 12, caractérisé en ce que chaque limon est réalisé à partir d'un profilé d'aluminium creux (22).
- Escalier selon l'une quelconque des revendications 1 à 13, caractérisé en ce que le profilé creux comporte un corps en caisson (22) dont au moins une face intérieure parallèle à l'axe de flexion présente au moins une nervure longitudinale (23).
- Escalier selon l'une quelconque des revendications 1 à 14, caractérisé en ce que chaque profilé creux (22) peut contenir un moyen de renfort longitudinal (42), notamment en acier.
- Escalier selon l'une quelconque des revendications 1 à 15, caractérisé en ce que chaque limon comprend un moyen profilé (27) pour la fixation d'accessoires tels qu'un garde-corps.
- Escalier selon l'une quelconque des revendications 1 à 16, caractérisé par des montures universelles (28) pouvant être fixées contre les faces extérieures des limons au voisinage de chacune de leurs extrémités et comprenant une aile en équerre (29) pour la fixation sur le sol (31) ou respectivement sur une paroi verticale (33) contre laquelle l'escalier est appuyé.
- Escalier selon l'une quelconque des revendications 1 à 17, caractérisé par des pièces (51) dont deux faces à angle droit comportent des moyens de fixation aux extrémités de limon, et qui sont séparables en deux secteurs dont les angles sont choisis en fonction de l'inclinaison des limons.
- Escalier selon l'une quelconque des revendications 1 à 18, caractérisé en ce que les marches (2) sont fixables de manière amovible aux limons (1).
- Escalier selon l'une des revendications 1 à 19, caractérisé en ce que les marches sont réalisées à partir d'au moins deux profilés (61, 62) fixés l'un à l'autre, réunis par une jointure (63) s'étendant selon la largeur des marches.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9408850A FR2722525B1 (fr) | 1994-07-18 | 1994-07-18 | Escalier a configuration variable |
FR9408850 | 1994-07-18 | ||
PCT/FR1995/000964 WO1996002716A1 (fr) | 1994-07-18 | 1995-07-18 | Escalier a configuration variable |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0774032A1 EP0774032A1 (fr) | 1997-05-21 |
EP0774032B1 true EP0774032B1 (fr) | 1998-10-07 |
Family
ID=9465474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95943535A Expired - Lifetime EP0774032B1 (fr) | 1994-07-18 | 1995-07-18 | Escalier a configuration variable |
Country Status (11)
Country | Link |
---|---|
US (1) | US5890330A (fr) |
EP (1) | EP0774032B1 (fr) |
AT (1) | ATE171997T1 (fr) |
AU (1) | AU3080195A (fr) |
CA (1) | CA2194871A1 (fr) |
CZ (1) | CZ16197A3 (fr) |
DE (1) | DE69505261T2 (fr) |
ES (1) | ES2125063T3 (fr) |
FR (1) | FR2722525B1 (fr) |
PL (1) | PL318273A1 (fr) |
WO (1) | WO1996002716A1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6058664A (en) * | 1997-12-31 | 2000-05-09 | Brownlee, Iii; John A. | Dwelling structure with vertical access from a portable unit |
DE19911391A1 (de) * | 1999-03-15 | 2000-09-21 | Sfdb Gmbh & Co Kg | Treppensystem |
US7100334B2 (en) * | 2003-05-27 | 2006-09-05 | Ioannis Milios | Conveyor for conveying people |
US20050284043A1 (en) * | 2004-06-28 | 2005-12-29 | Sorenson Robert E Jr | Stair system with expandable center |
DE202005005831U1 (de) * | 2005-04-11 | 2006-01-19 | Hymer-Leichtmetallbau Gmbh & Co. Kg | Neigungseinstellbare Aufstiegshilfe |
DE112007001998A5 (de) * | 2006-06-27 | 2009-06-18 | Markus Kynast | Treppe mit höhenverstellbaren Stufen |
GB2478564B (en) * | 2010-03-10 | 2013-01-02 | Kee Safety Ltd | Walkway assembly |
KR100989111B1 (ko) | 2010-03-30 | 2010-10-20 | 주식회사 로드맥스 엔지니어링 | 교량의 점검통로 접근용 출입계단 구조물 |
FR2973826B1 (fr) * | 2011-04-07 | 2013-03-29 | Centaure | Dispositif d'acces en hauteur comprenant une marche obtenue par la solidarisation d'au moins deux elements de marches et procede de fabrication d'un tel dispositif |
FR2976614B1 (fr) * | 2011-06-14 | 2018-02-23 | Alstep | Element de construction pour la realisation d'une surface de pose d'un dispositif d'acces en hauteur |
DE102011121073A1 (de) | 2011-09-22 | 2013-03-28 | Werner Scholpp | Treppe |
US10358827B1 (en) | 2016-12-11 | 2019-07-23 | Robert Everett Sorenson, JR. | System and method for stair assembly and installation |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3299590A (en) * | 1964-06-01 | 1967-01-24 | Carter Lavoy | Prefabricated, adjustable stairway, ramp or bridge |
DE1778509A1 (de) * | 1968-05-07 | 1972-02-17 | Erwin Hasenbach | Leiter oder Behelfstreppe mit profilierten Hohlholmen |
FR1581070A (fr) * | 1968-07-15 | 1969-09-12 | ||
BE760720A (fr) * | 1970-12-22 | 1971-05-27 | Loix Gilbert | Escalier metallique prefabrique. |
FR2474085B1 (fr) * | 1980-01-23 | 1985-10-31 | Pace Raymond | Escalier droit prefabrique |
DE3421627C2 (de) * | 1984-06-09 | 1986-10-02 | Werner Scholz Landmaschinen und Bauschlosserei, 7182 Gerabronn | Unterbau für Treppenstufen |
US4959935A (en) * | 1989-09-25 | 1990-10-02 | Stob H Richard | Adjustable stairway |
US5189854A (en) * | 1992-09-14 | 1993-03-02 | The United States Of America As Represented By The Secretary Of The Army | Adjustable height stairway |
-
1994
- 1994-07-18 FR FR9408850A patent/FR2722525B1/fr not_active Expired - Fee Related
-
1995
- 1995-07-18 PL PL95318273A patent/PL318273A1/xx unknown
- 1995-07-18 WO PCT/FR1995/000964 patent/WO1996002716A1/fr not_active Application Discontinuation
- 1995-07-18 EP EP95943535A patent/EP0774032B1/fr not_active Expired - Lifetime
- 1995-07-18 CA CA002194871A patent/CA2194871A1/fr not_active Abandoned
- 1995-07-18 AT AT95943535T patent/ATE171997T1/de active
- 1995-07-18 AU AU30801/95A patent/AU3080195A/en not_active Abandoned
- 1995-07-18 US US08/776,255 patent/US5890330A/en not_active Expired - Fee Related
- 1995-07-18 CZ CZ97161A patent/CZ16197A3/cs unknown
- 1995-07-18 DE DE69505261T patent/DE69505261T2/de not_active Expired - Fee Related
- 1995-07-18 ES ES95943535T patent/ES2125063T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CZ16197A3 (en) | 1997-07-16 |
AU3080195A (en) | 1996-02-16 |
FR2722525A1 (fr) | 1996-01-19 |
DE69505261D1 (de) | 1998-11-12 |
ES2125063T3 (es) | 1999-02-16 |
US5890330A (en) | 1999-04-06 |
PL318273A1 (en) | 1997-05-26 |
WO1996002716A1 (fr) | 1996-02-01 |
FR2722525B1 (fr) | 1996-09-20 |
ATE171997T1 (de) | 1998-10-15 |
CA2194871A1 (fr) | 1996-02-01 |
DE69505261T2 (de) | 1999-06-02 |
EP0774032A1 (fr) | 1997-05-21 |
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