HK1173481A1 - Foldable ladder -like stairs - Google Patents

Foldable ladder -like stairs

Info

Publication number
HK1173481A1
HK1173481A1 HK13100614.1A HK13100614A HK1173481A1 HK 1173481 A1 HK1173481 A1 HK 1173481A1 HK 13100614 A HK13100614 A HK 13100614A HK 1173481 A1 HK1173481 A1 HK 1173481A1
Authority
HK
Hong Kong
Prior art keywords
stairs
foldable ladder
foldable
ladder
Prior art date
Application number
HK13100614.1A
Other languages
Chinese (zh)
Inventor
Ski Boguslaw Krasi
Bernard Kaczmarski
Original Assignee
Fakro Pp Spolka Z Ograniczona Odpowiedzialnoscia
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 Spolka Z Ograniczona Odpowiedzialnoscia filed Critical Fakro Pp Spolka Z Ograniczona Odpowiedzialnoscia
Publication of HK1173481A1 publication Critical patent/HK1173481A1/en

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)
  • Steps, Ramps, And Handrails (AREA)
HK13100614.1A 2010-01-18 2013-01-15 Foldable ladder -like stairs HK1173481A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PL390219A PL224400B1 (en) 2010-01-18 2010-01-18 Folding stairway ladders, preferably made of metal
PCT/PL2011/000004 WO2011087385A2 (en) 2010-01-18 2011-01-12 Foldable stairs, in particular metal foldable ladder-like stairs

Publications (1)

Publication Number Publication Date
HK1173481A1 true HK1173481A1 (en) 2013-05-16

Family

ID=43828320

Family Applications (1)

Application Number Title Priority Date Filing Date
HK13100614.1A HK1173481A1 (en) 2010-01-18 2013-01-15 Foldable ladder -like stairs

Country Status (5)

Country Link
EP (1) EP2526240B1 (en)
CN (1) CN102753771B (en)
HK (1) HK1173481A1 (en)
PL (1) PL224400B1 (en)
WO (1) WO2011087385A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL229816B1 (en) * 2012-03-09 2018-08-31 Fakro Pp Spolka Z Ograniczona Odpowiedzialnoscia Folding stairs, especially lightweight wooden stairs
CN103016050B (en) * 2012-12-12 2014-10-29 南京大学 Foldable-type liftable protection device used for geological prediction in tunnels
US10538966B2 (en) * 2017-05-10 2020-01-21 Werner Co. Ceiling ladder, deep step and method
CN107859473A (en) * 2017-12-10 2018-03-30 陈星宇 Folding ladder
CN111765581B (en) * 2020-06-24 2021-07-16 深圳市金源达建设集团有限公司 Building energy-saving ventilation system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1767148A (en) * 1925-04-27 1930-06-24 Berthold V Marschke Folding and disappearing stairs
US1700904A (en) * 1927-02-21 1929-02-05 Paul G Marschke Folding stair structure
DE1103553B (en) * 1958-07-24 1961-03-30 Herta Hermanns Geb Nell Foldable stairs that can be swiveled up with the help of tension springs
DE2237333C2 (en) * 1972-07-29 1984-06-07 Wilh. Frank Gmbh, 7022 Leinfelden-Echterdingen Attic stairs that can be folded into a feed box
US3871479A (en) * 1973-07-13 1975-03-18 Clarence H Pelto Telescoping stairway
CN2179864Y (en) * 1993-11-11 1994-10-19 宗必泽 Automatic alternating staircase of elevating table
AT4864U1 (en) * 1998-10-23 2001-12-27 Wipplinger Robert ROOF FLOOR STAIR
CN2611566Y (en) * 2003-02-28 2004-04-14 上海太比雅科技有限公司 Wall safety haddler
US7621374B2 (en) * 2005-08-10 2009-11-24 Precision Ladders, Llc Sectional overhead ladder with a fold assist feature

Also Published As

Publication number Publication date
PL390219A1 (en) 2011-08-01
CN102753771B (en) 2014-11-19
EP2526240B1 (en) 2017-09-20
WO2011087385A2 (en) 2011-07-21
PL224400B1 (en) 2016-12-30
CN102753771A (en) 2012-10-24
EP2526240A2 (en) 2012-11-28
WO2011087385A3 (en) 2011-12-01
WO2011087385A4 (en) 2012-01-26

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20190110