DE197133C - - Google Patents
Info
- Publication number
- DE197133C DE197133C DENDAT197133D DE197133DA DE197133C DE 197133 C DE197133 C DE 197133C DE NDAT197133 D DENDAT197133 D DE NDAT197133D DE 197133D A DE197133D A DE 197133DA DE 197133 C DE197133 C DE 197133C
- Authority
- DE
- Germany
- Prior art keywords
- staircase
- hatch
- trap door
- lever
- lowered
- 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.)
- Active
Links
- 210000003467 Cheek Anatomy 0.000 claims description 7
- 241000370092 Actiniopteris Species 0.000 description 1
- 210000003128 Head Anatomy 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 239000002965 rope Substances 0.000 description 1
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
- E04F11/066—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding folding like scissors or accordions
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE197133C true DE197133C (nl) |
Family
ID=460049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT197133D Active DE197133C (nl) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE197133C (nl) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2643412A1 (en) * | 1989-02-22 | 1990-08-24 | Macc Sa | Arrangement for vertically concealing attic steps of the folding or sliding type |
-
0
- DE DENDAT197133D patent/DE197133C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2643412A1 (en) * | 1989-02-22 | 1990-08-24 | Macc Sa | Arrangement for vertically concealing attic steps of the folding or sliding type |
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