DE147458C - - Google Patents
Info
- Publication number
- DE147458C DE147458C DENDAT147458D DE147458DA DE147458C DE 147458 C DE147458 C DE 147458C DE NDAT147458 D DENDAT147458 D DE NDAT147458D DE 147458D A DE147458D A DE 147458DA DE 147458 C DE147458 C DE 147458C
- Authority
- DE
- Germany
- Prior art keywords
- ladder
- trees
- tree
- rungs
- rescue
- 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
- E06C1/36—Ladders suspendable by hooks or the like
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/58—Ladders in general with both rigid and non-rigid longitudinal members
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
DE147458C true DE147458C (ja) |
Family
ID=414635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT147458D Active DE147458C (ja) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE147458C (ja) |
-
0
- DE DENDAT147458D patent/DE147458C/de active Active
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