FR2434910A1 - Perfectionnements apportes aux escaliers helicoidaux - Google Patents

Perfectionnements apportes aux escaliers helicoidaux

Info

Publication number
FR2434910A1
FR2434910A1 FR7825365A FR7825365A FR2434910A1 FR 2434910 A1 FR2434910 A1 FR 2434910A1 FR 7825365 A FR7825365 A FR 7825365A FR 7825365 A FR7825365 A FR 7825365A FR 2434910 A1 FR2434910 A1 FR 2434910A1
Authority
FR
France
Prior art keywords
platform
riser
tread
enables entry
spiral stairs
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
FR7825365A
Other languages
English (en)
Other versions
FR2434910B1 (fr
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.)
Gantois SARL
Original Assignee
Gantois SARL
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 Gantois SARL filed Critical Gantois SARL
Priority to FR7825365A priority Critical patent/FR2434910A1/fr
Publication of FR2434910A1 publication Critical patent/FR2434910A1/fr
Application granted granted Critical
Publication of FR2434910B1 publication Critical patent/FR2434910B1/fr
Granted legal-status Critical Current

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
    • E04F11/032—Spiral stairways supported by a central column

Landscapes

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

Abstract

L'invention est relative à un escalier du type hélicoidal constitué à partir d'éléments standards tels que, quelle que soit la hauteur à franchir, le giron sur la ligne de foulée des marches s'inscrive dans les valeurs réglementaires, caractérisé en ce qu'il comporte un élément complémentaire consistant en une plate-forme composée d'un ou plusieurs éléments standard, en forme de portion de cercle, dont l'angle au centre est fonction de la distance séparant le débouche (dernière marche) de l'escalier du niveau, ou palier, à desservir.
FR7825365A 1978-09-04 1978-09-04 Perfectionnements apportes aux escaliers helicoidaux Granted FR2434910A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7825365A FR2434910A1 (fr) 1978-09-04 1978-09-04 Perfectionnements apportes aux escaliers helicoidaux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7825365A FR2434910A1 (fr) 1978-09-04 1978-09-04 Perfectionnements apportes aux escaliers helicoidaux

Publications (2)

Publication Number Publication Date
FR2434910A1 true FR2434910A1 (fr) 1980-03-28
FR2434910B1 FR2434910B1 (fr) 1981-03-06

Family

ID=9212298

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7825365A Granted FR2434910A1 (fr) 1978-09-04 1978-09-04 Perfectionnements apportes aux escaliers helicoidaux

Country Status (1)

Country Link
FR (1) FR2434910A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2849459A1 (fr) * 2002-12-30 2004-07-02 Georges Harnois Local enterre
US11466461B1 (en) * 2019-04-27 2022-10-11 Luis Jones Actuatable assemblies

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2255445A1 (en) * 1973-12-20 1975-07-18 Martin Lucien Spiral staircase with suspended steps - has support column of rods screwing together and support banisters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2255445A1 (en) * 1973-12-20 1975-07-18 Martin Lucien Spiral staircase with suspended steps - has support column of rods screwing together and support banisters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2849459A1 (fr) * 2002-12-30 2004-07-02 Georges Harnois Local enterre
US11466461B1 (en) * 2019-04-27 2022-10-11 Luis Jones Actuatable assemblies

Also Published As

Publication number Publication date
FR2434910B1 (fr) 1981-03-06

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Legal Events

Date Code Title Description
ST Notification of lapse