EP2578768A3 - Foldable stairs especially of 4 segments - Google Patents

Foldable stairs especially of 4 segments Download PDF

Info

Publication number
EP2578768A3
EP2578768A3 EP12006941.4A EP12006941A EP2578768A3 EP 2578768 A3 EP2578768 A3 EP 2578768A3 EP 12006941 A EP12006941 A EP 12006941A EP 2578768 A3 EP2578768 A3 EP 2578768A3
Authority
EP
European Patent Office
Prior art keywords
segments
stairs
safety device
hinge
joins together
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
EP12006941.4A
Other languages
German (de)
French (fr)
Other versions
EP2578768B1 (en
EP2578768A2 (en
Inventor
Boguslaw Kasinski
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.)
Fakro PP Sp zoo
Original Assignee
Fakro PP Sp zoo
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 Fakro PP Sp zoo filed Critical Fakro PP Sp zoo
Publication of EP2578768A2 publication Critical patent/EP2578768A2/en
Publication of EP2578768A3 publication Critical patent/EP2578768A3/en
Application granted granted Critical
Publication of EP2578768B1 publication Critical patent/EP2578768B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
    • E04F11/06—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
    • E04F11/062—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding
    • E04F11/064—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding with stringers overlapping when folded

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)
  • Handcart (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

The stairs have a safety device (3) for protection against uncontrolled detachment of at least two last segments from the first segment (11) by rotation on the hinges (21), which mechanism is positioned near the top ends of the segments, beneficially overlaid on the extension hinge (23) that joins together segments 2 (12) and 3 (13). The safety device (3) is unlatched by the user lifting the bottom parts of segments 3 (13) and 4 (14). Also, the stairs have a bottom lock (6) installed on the hinge (22) that joins together segments 3 (13) and 4 (14).
EP12006941.4A 2011-10-06 2012-10-05 Foldable stairs of 3 or 4 segments Active EP2578768B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL396562A PL220639B1 (en) 2011-10-06 2011-10-06 Dismountable stairs, especially the four-segment stairs

Publications (3)

Publication Number Publication Date
EP2578768A2 EP2578768A2 (en) 2013-04-10
EP2578768A3 true EP2578768A3 (en) 2017-05-24
EP2578768B1 EP2578768B1 (en) 2019-09-11

Family

ID=47080151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12006941.4A Active EP2578768B1 (en) 2011-10-06 2012-10-05 Foldable stairs of 3 or 4 segments

Country Status (3)

Country Link
EP (1) EP2578768B1 (en)
CN (1) CN103104075A (en)
PL (1) PL220639B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201222754D0 (en) * 2012-12-17 2013-01-30 Keystone Lintels Ltd An arrangement for mounting a multi-sectional ladder assembly onto a loft ladder frame door
CN104746816A (en) * 2013-12-31 2015-07-01 德胜（苏州）洋楼有限公司 Concealed storage staircase for wooden house
FR3026385B1 (en) * 2014-09-29 2018-05-18 Airbus Operations AIRCRAFT COMPRISING A TRAPPER AND A FALL ARREST
CN104863494B (en) * 2015-06-05 2017-08-15 苏州金螳螂建筑装饰股份有限公司 A kind of magazine
CN105863496A (en) * 2016-04-12 2016-08-17 国家电网公司 Outdoor working ladder
US10151144B2 (en) 2016-12-14 2018-12-11 Werner Co. Ladder, wide rung and method
US10538966B2 (en) * 2017-05-10 2020-01-21 Werner Co. Ceiling ladder, deep step and method
CN107447947A (en) * 2017-08-19 2017-12-08 合肥耀世同辉科技有限公司 One kind is easy to carry Wood-plastic floor
CN111997202B (en) * 2020-09-01 2021-06-25 常州工学院 Cover plate folding and opening type mechanical attic device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE943554C (en) * 1954-03-27 1956-05-24 Wilhelm Dohrmann Retractable multi-part attic stairs or the like.
FR1490697A (en) * 1966-06-22 1967-08-04 hinged folding retractable ladder
US20050028320A1 (en) * 2003-08-07 2005-02-10 Latimer Brett A. Locking hinge for folding ladder
WO2005017281A1 (en) * 2003-08-07 2005-02-24 Werner Co. Stowable ladder configured for installation in an opening
US20060076187A1 (en) * 2004-10-08 2006-04-13 Meza Maria E Ladder handle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1341199A (en) * 1962-12-13 1963-10-25 Personnes A Responsabilite Lim Retractable staircase
JP2952646B2 (en) * 1994-12-26 1999-09-27 松屋電工株式会社 Folding ceiling storage ladder
DE19952597A1 (en) * 1999-03-11 2001-05-03 Ming Gao stairway
AT410689B (en) * 2001-01-15 2003-06-25 Janner Ernst Mounting for steps on a trapdoor
US6991063B2 (en) * 2003-08-07 2006-01-31 Werner Co. Stowable ladder configured for installation in an opening
GB2461338A (en) * 2008-07-02 2010-01-06 Loft Stair Company Ltd Stair arrangement for accessing lofts
CN201241609Y (en) * 2008-08-04 2009-05-20 李恩斌 Three-folding aluminum ladder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE943554C (en) * 1954-03-27 1956-05-24 Wilhelm Dohrmann Retractable multi-part attic stairs or the like.
FR1490697A (en) * 1966-06-22 1967-08-04 hinged folding retractable ladder
US20050028320A1 (en) * 2003-08-07 2005-02-10 Latimer Brett A. Locking hinge for folding ladder
WO2005017281A1 (en) * 2003-08-07 2005-02-24 Werner Co. Stowable ladder configured for installation in an opening
US20060076187A1 (en) * 2004-10-08 2006-04-13 Meza Maria E Ladder handle

Also Published As

Publication number Publication date
EP2578768B1 (en) 2019-09-11
PL396562A1 (en) 2013-04-15
EP2578768A2 (en) 2013-04-10
CN103104075A (en) 2013-05-15
PL220639B1 (en) 2015-11-30

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