HK1173481A1 - Foldable ladder -like stairs - Google Patents
Foldable ladder -like stairsInfo
- 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
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL390219A PL224400B1 (pl) | 2010-01-18 | 2010-01-18 | Składane schody drabiniaste, zwłaszcza metalowe |
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 (xx) |
CN (1) | CN102753771B (xx) |
HK (1) | HK1173481A1 (xx) |
PL (1) | PL224400B1 (xx) |
WO (1) | WO2011087385A2 (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL229816B1 (pl) * | 2012-03-09 | 2018-08-31 | Fakro Pp Spolka Z Ograniczona Odpowiedzialnoscia | Schody składane, zwłaszcza lekkie schody drewniane |
CN103016050B (zh) * | 2012-12-12 | 2014-10-29 | 南京大学 | 一种隧道中作地质预报用的折叠式可升降保护装置 |
US10538966B2 (en) * | 2017-05-10 | 2020-01-21 | Werner Co. | Ceiling ladder, deep step and method |
CN107859473A (zh) * | 2017-12-10 | 2018-03-30 | 陈星宇 | 折叠梯 |
CN111765581B (zh) * | 2020-06-24 | 2021-07-16 | 深圳市金源达建设集团有限公司 | 一种建筑节能通风系统 |
Family Cites Families (9)
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 (de) * | 1958-07-24 | 1961-03-30 | Herta Hermanns Geb Nell | Zusammenlegbare und mit Hilfe von Zugfedern hochschwenkbare Treppe |
DE2237333C2 (de) * | 1972-07-29 | 1984-06-07 | Wilh. Frank Gmbh, 7022 Leinfelden-Echterdingen | In einen Futterkasten einklappbare Bodentreppe |
US3871479A (en) * | 1973-07-13 | 1975-03-18 | Clarence H Pelto | Telescoping stairway |
CN2179864Y (zh) * | 1993-11-11 | 1994-10-19 | 宗必泽 | 自动交替升降板扶梯 |
AT4864U1 (de) * | 1998-10-23 | 2001-12-27 | Wipplinger Robert | Dachbodentreppe |
CN2611566Y (zh) * | 2003-02-28 | 2004-04-14 | 上海太比雅科技有限公司 | 挂壁式安全梯 |
US7621374B2 (en) * | 2005-08-10 | 2009-11-24 | Precision Ladders, Llc | Sectional overhead ladder with a fold assist feature |
-
2010
- 2010-01-18 PL PL390219A patent/PL224400B1/pl unknown
-
2011
- 2011-01-12 CN CN201180006193.6A patent/CN102753771B/zh not_active Expired - Fee Related
- 2011-01-12 WO PCT/PL2011/000004 patent/WO2011087385A2/en active Application Filing
- 2011-01-12 EP EP11707229.8A patent/EP2526240B1/en active Active
-
2013
- 2013-01-15 HK HK13100614.1A patent/HK1173481A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN102753771A (zh) | 2012-10-24 |
WO2011087385A4 (en) | 2012-01-26 |
CN102753771B (zh) | 2014-11-19 |
PL390219A1 (pl) | 2011-08-01 |
PL224400B1 (pl) | 2016-12-30 |
EP2526240B1 (en) | 2017-09-20 |
EP2526240A2 (en) | 2012-11-28 |
WO2011087385A3 (en) | 2011-12-01 |
WO2011087385A2 (en) | 2011-07-21 |
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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 |