BE779219A - LOCKING DEVICE FOR STAIRS AND EXTENDING OR SIMILAR LADDERS - Google Patents
LOCKING DEVICE FOR STAIRS AND EXTENDING OR SIMILAR LADDERSInfo
- Publication number
- BE779219A BE779219A BE779219A BE779219A BE779219A BE 779219 A BE779219 A BE 779219A BE 779219 A BE779219 A BE 779219A BE 779219 A BE779219 A BE 779219A BE 779219 A BE779219 A BE 779219A
- Authority
- BE
- Belgium
- Prior art keywords
- stairs
- extending
- locking device
- ladders
- similar
- 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)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712106358 DE2106358C3 (en) | 1971-02-10 | 1971-02-10 | Closure for a ceiling opening lined with a feed box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE779219A true BE779219A (en) | 1972-05-30 |
Family
ID=5798395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE779219A BE779219A (en) | 1971-02-10 | 1972-02-10 | LOCKING DEVICE FOR STAIRS AND EXTENDING OR SIMILAR LADDERS |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT318217B (en) |
| BE (1) | BE779219A (en) |
| CH (1) | CH539771A (en) |
| DE (1) | DE2106358C3 (en) |
| DK (1) | DK125930B (en) |
| FR (1) | FR2126843A5 (en) |
| GB (1) | GB1342226A (en) |
| IT (1) | IT947382B (en) |
| NL (1) | NL166750C (en) |
| SE (1) | SE371248B (en) |
| YU (1) | YU35906B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2209180B (en) * | 1987-08-28 | 1991-06-26 | Anthony Robert Perry | Expandable house |
| FR2660002B1 (en) * | 1990-03-26 | 1992-06-12 | Lavrard Michel | HOPPER EQUIPMENT FOR RETRACTABLE ATTIC STAIRS WITH SIDE ARMS. |
| US5220757A (en) * | 1991-10-15 | 1993-06-22 | Colorcraft, Inc. | Thermal stairway cover |
| CN106894750B (en) * | 2017-03-16 | 2019-01-15 | 武汉轻工大学 | Emergency door stairs and application method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1193857A (en) * | 1959-11-05 | |||
| DE936062C (en) * | 1953-02-20 | 1955-12-01 | Saegewerk | Retractable two-part attic stairs |
| AT323983B (en) * | 1971-08-09 | 1975-08-11 | Wihl Frank Gmbh | SUBDIVIDED FLOOR STAIRS |
-
1971
- 1971-02-10 DE DE19712106358 patent/DE2106358C3/en not_active Expired
-
1972
- 1972-01-21 AT AT51272A patent/AT318217B/en not_active IP Right Cessation
- 1972-01-26 CH CH113272A patent/CH539771A/en not_active IP Right Cessation
- 1972-01-27 NL NL7201141A patent/NL166750C/en not_active IP Right Cessation
- 1972-01-31 GB GB436572A patent/GB1342226A/en not_active Expired
- 1972-02-08 SE SE146472A patent/SE371248B/xx unknown
- 1972-02-08 IT IT2032372A patent/IT947382B/en active
- 1972-02-08 DK DK53972A patent/DK125930B/en not_active IP Right Cessation
- 1972-02-09 YU YU30172A patent/YU35906B/en unknown
- 1972-02-10 FR FR7204512A patent/FR2126843A5/fr not_active Expired
- 1972-02-10 BE BE779219A patent/BE779219A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT947382B (en) | 1973-05-21 |
| GB1342226A (en) | 1974-01-03 |
| YU30172A (en) | 1981-02-28 |
| SE371248B (en) | 1974-11-11 |
| DE2106358C3 (en) | 1980-02-07 |
| NL7201141A (en) | 1972-08-14 |
| FR2126843A5 (en) | 1972-10-06 |
| AT318217B (en) | 1974-10-10 |
| NL166750C (en) | 1981-09-15 |
| CH539771A (en) | 1973-07-31 |
| DE2106358B2 (en) | 1979-06-13 |
| DK125930B (en) | 1973-05-21 |
| NL166750B (en) | 1981-04-15 |
| DE2106358A1 (en) | 1972-09-14 |
| YU35906B (en) | 1981-08-31 |
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