EP0033045B1 - Escalier droit préfabriqué - Google Patents

Escalier droit préfabriqué Download PDF

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Publication number
EP0033045B1
EP0033045B1 EP80401852A EP80401852A EP0033045B1 EP 0033045 B1 EP0033045 B1 EP 0033045B1 EP 80401852 A EP80401852 A EP 80401852A EP 80401852 A EP80401852 A EP 80401852A EP 0033045 B1 EP0033045 B1 EP 0033045B1
Authority
EP
European Patent Office
Prior art keywords
hole
gusset
hand
holes
steps
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
Application number
EP80401852A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0033045A1 (fr
Inventor
Raymond Pace
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0033045A1 publication Critical patent/EP0033045A1/fr
Application granted granted Critical
Publication of EP0033045B1 publication Critical patent/EP0033045B1/fr
Expired 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
    • E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
    • E04F11/025—Stairways having stringers
    • E04F11/0255—Stairways having stringers having adjustable gradient

Definitions

  • the invention relates to a straight staircase with two stringers, according to the preamble of claim 1, capable of being prefabricated in the factory and consisting of standard elements whatever the height of the drop.
  • Stairs thus designed are therefore unsuitable for satisfying a total standardization such that the same staircase can be used for a gentle climb (for example inclination at 30 ° relative to the horizontal) or for a steep climb like a sucker's ladder (for example inclination at 60 ° to the horizontal).
  • the design of a prefabricated staircase implies that the constituent elements are able to take between them various relative positions controlled by the inclination of the stringers, and this, by reducing the machining work to a minimum.
  • the invention chooses a solution lying between the freedom of Carter (US-A 3,299,950) and the rigor of Bâcker (DE-A 2509464) while retaining maximum resistance to the stringers.
  • the staircase according to the characterizing part of claim 1 therefore intends to provide a satisfactory solution to the requirements which have just been recalled and of which certain data are contradictory to each other, by using only a minimum of round holes (three at most) drilled in a stringer for the assembly of a step and a handrail support.
  • the stringers (L) have two vertical sides (L1 and L3) parallel as constituting for example the large opposite sides of a tubular or semi-tubular section of rectangular or U or omega section. .
  • GM vertical gusset
  • GM1 round front hole
  • GM2 oblong eye
  • the upright (MT) is integral with a trapezoidal gusset (GF) pierced with two substantially superimposed holes (GF1) and (GF2) ( Figure 1) or (GF3) and (GF4) ( Figure 3).
  • the lower hole (GF2) is a slightly arched oblong eye whose center of curvature is the center of the hole (GF1).
  • GM2 The oblong hole (GM2), the corresponding round hole of the stringer and the oblong hole (GF2) are crossed by the same bolt (1b).
  • the vertical adjustment of the upright and the horizontality of the step is therefore made by pivoting the respective gussets around the fixed point formed by the upper bolt by moving the lower bolt in the oblong holes.
  • the vertical distance of the bolts (1a) and (1b) corresponds to the difference in level between the steps, so that the stringer (L) is only pierced with two round holes used for the passage of the bolts ( 1a) and (1b) each of them used for the horizontal fixing of a step and for the vertical fixing of the gusset (GF) of a support (MT) so that on this stringer the holes of these holes draw a line broken at right angles, which therefore does not weaken its resistance.
  • the lower hole (GF4) of the gusset is a round hole, while the upper hole (GF3) is oblong (lumen).
  • the upright (MT) is therefore articulated around the bolt (1b) crossing the light (GM2) of the step, the round holes of the two sides of the stringer (L) and this lower hole (GF4).
  • the leveling of the step and the vertical upright only require three bolts; one of these being common to assembly systems.
  • the stairs according to the invention find various applications such as emergency stairs subject to safety standards, because their design makes it possible to respect the dimensions imposed by these (passage width, depth and height of steps, etc.).

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
EP80401852A 1980-01-23 1980-12-23 Escalier droit préfabriqué Expired EP0033045B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8001404 1980-01-23
FR8001404A FR2474085B1 (fr) 1980-01-23 1980-01-23 Escalier droit prefabrique

Publications (2)

Publication Number Publication Date
EP0033045A1 EP0033045A1 (fr) 1981-08-05
EP0033045B1 true EP0033045B1 (fr) 1984-11-28

Family

ID=9237785

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80401852A Expired EP0033045B1 (fr) 1980-01-23 1980-12-23 Escalier droit préfabriqué

Country Status (4)

Country Link
EP (1) EP0033045B1 (enrdf_load_stackoverflow)
DE (1) DE3069728D1 (enrdf_load_stackoverflow)
DK (1) DK29281A (enrdf_load_stackoverflow)
FR (1) FR2474085B1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11085191B2 (en) * 2018-10-08 2021-08-10 Fortress Iron, Lp Stair assembly with rise adjustable step support brackets

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8808580U1 (de) * 1988-07-05 1988-08-18 Losberger Gmbh & Co Kg, 7100 Heilbronn Höhenverstellbare Treppe mit Geländer
FR2722525B1 (fr) * 1994-07-18 1996-09-20 Lesage Gilles Escalier a configuration variable
US6692234B2 (en) 1999-03-22 2004-02-17 Water Management Systems Pump system with vacuum source
US6405748B1 (en) 1999-03-22 2002-06-18 David Muhs Trailer and fuel tank assembly
JP6008821B2 (ja) * 2013-11-06 2016-10-19 株式会社西宮産業 プレハブ式階段
US9309675B2 (en) * 2014-09-01 2016-04-12 Kelly Kristian Kvols Stairway tread support device and system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3299590A (en) * 1964-06-01 1967-01-24 Carter Lavoy Prefabricated, adjustable stairway, ramp or bridge
DE2509464A1 (de) * 1975-03-05 1976-09-09 Baecker Josef Fa Demontierbare treppe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2309685A1 (fr) * 1975-03-07 1976-11-26 Brigaud Bernard Escalier avec marches pivotantes pour reglage en hauteur
US3962838A (en) * 1975-03-14 1976-06-15 Joe Warren Cox Shelf-adjusting stair

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3299590A (en) * 1964-06-01 1967-01-24 Carter Lavoy Prefabricated, adjustable stairway, ramp or bridge
DE2509464A1 (de) * 1975-03-05 1976-09-09 Baecker Josef Fa Demontierbare treppe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11085191B2 (en) * 2018-10-08 2021-08-10 Fortress Iron, Lp Stair assembly with rise adjustable step support brackets

Also Published As

Publication number Publication date
FR2474085A1 (fr) 1981-07-24
DK29281A (enrdf_load_stackoverflow) 1981-07-24
DE3069728D1 (en) 1985-01-10
EP0033045A1 (fr) 1981-08-05
FR2474085B1 (fr) 1985-10-31

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