FR2376940A1 - Echelle de securite - Google Patents
Echelle de securiteInfo
- Publication number
- FR2376940A1 FR2376940A1 FR7700952A FR7700952A FR2376940A1 FR 2376940 A1 FR2376940 A1 FR 2376940A1 FR 7700952 A FR7700952 A FR 7700952A FR 7700952 A FR7700952 A FR 7700952A FR 2376940 A1 FR2376940 A1 FR 2376940A1
- Authority
- FR
- France
- Prior art keywords
- rungs
- stringers
- ribs
- protruding
- tubular
- 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.)
- Withdrawn
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
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
L'invention concerne une échelle de sécurité dont le montage des échelons est réalisé de manière à interdire la rotation de ceux-ci et notamment dans le cas où les dits échelons sont de section circulaire. L'échelle selon l'invention comporte des montants 1 dotés d'une nervure intérieure 2 saillante, les échelons 3 sont dotés d'une rainure femelle 4 aménagée en leurs extrémités s'emboîtant et s'ajustant sur la nervure 2, le serrage au montage est réalisé par des moyens connus tels que vis 5 se vissant dans un alésage 6 dont les échelons sont pourvus.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7700952A FR2376940A1 (fr) | 1977-01-10 | 1977-01-10 | Echelle de securite |
FR7716630A FR2392214A2 (fr) | 1977-01-10 | 1977-05-24 | Echelle de securite |
DE19782800793 DE2800793A1 (de) | 1977-01-10 | 1978-01-09 | Sicherheitsleiter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7700952A FR2376940A1 (fr) | 1977-01-10 | 1977-01-10 | Echelle de securite |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2376940A1 true FR2376940A1 (fr) | 1978-08-04 |
Family
ID=9185468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7700952A Withdrawn FR2376940A1 (fr) | 1977-01-10 | 1977-01-10 | Echelle de securite |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2376940A1 (fr) |
-
1977
- 1977-01-10 FR FR7700952A patent/FR2376940A1/fr not_active Withdrawn
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |