FR1403008A - Perfectionnements aux échelles et escaliers portatifs analogues - Google Patents
Perfectionnements aux échelles et escaliers portatifs analoguesInfo
- Publication number
- FR1403008A FR1403008A FR44738A FR69044738A FR1403008A FR 1403008 A FR1403008 A FR 1403008A FR 44738 A FR44738 A FR 44738A FR 69044738 A FR69044738 A FR 69044738A FR 1403008 A FR1403008 A FR 1403008A
- Authority
- FR
- France
- Prior art keywords
- ladders
- similar portable
- portable stairs
- stairs
- similar
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
-
- 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
- E06C1/3835—Foldable ladders in which the longitudinal members are brought together on folding having collapsible steps comprising a hinge in their central part
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR44738A FR1403008A (fr) | 1964-04-27 | 1964-04-27 | Perfectionnements aux échelles et escaliers portatifs analogues |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR44738A FR1403008A (fr) | 1964-04-27 | 1964-04-27 | Perfectionnements aux échelles et escaliers portatifs analogues |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1403008A true FR1403008A (fr) | 1965-06-18 |
Family
ID=8597682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR44738A Expired FR1403008A (fr) | 1964-04-27 | 1964-04-27 | Perfectionnements aux échelles et escaliers portatifs analogues |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1403008A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4842099A (en) * | 1987-10-06 | 1989-06-27 | Emil Freiwald | Foldable ladder |
US5685394A (en) * | 1994-03-29 | 1997-11-11 | Simson; Bruce Norman Unwin | Automatic blockading system device for ladders or folding portable stepladder in transversal sense |
-
1964
- 1964-04-27 FR FR44738A patent/FR1403008A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4842099A (en) * | 1987-10-06 | 1989-06-27 | Emil Freiwald | Foldable ladder |
US5685394A (en) * | 1994-03-29 | 1997-11-11 | Simson; Bruce Norman Unwin | Automatic blockading system device for ladders or folding portable stepladder in transversal sense |
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