FR437453A - échelle - Google Patents
échelleInfo
- Publication number
- FR437453A FR437453A FR437453A FR437453DA FR437453A FR 437453 A FR437453 A FR 437453A FR 437453 A FR437453 A FR 437453A FR 437453D A FR437453D A FR 437453DA FR 437453 A FR437453 A FR 437453A
- Authority
- FR
- France
- Prior art keywords
- ladder
- 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
- 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
- E06C1/381—Ladders with rungs or treads attached only to one rigid longitudinal member
-
- 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
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE245678T |
Publications (1)
Publication Number | Publication Date |
---|---|
FR437453A true FR437453A (fr) | 1912-04-22 |
Family
ID=34716112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR437453A Expired FR437453A (fr) | 1911-12-11 | échelle |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE245678C (fr) |
FR (1) | FR437453A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180002984A1 (en) * | 2013-09-04 | 2018-01-04 | David J. Hume | Self leveling stepladder with a universal hinge joint |
-
0
- DE DENDAT245678D patent/DE245678C/de active Active
-
1911
- 1911-12-11 FR FR437453A patent/FR437453A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180002984A1 (en) * | 2013-09-04 | 2018-01-04 | David J. Hume | Self leveling stepladder with a universal hinge joint |
US10689907B2 (en) * | 2013-09-04 | 2020-06-23 | David J Hume | Self leveling step ladder |
Also Published As
Publication number | Publication date |
---|---|
DE245678C (fr) |
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