FR2407331A1 - Base d'echelle a aplomb automatique - Google Patents
Base d'echelle a aplomb automatiqueInfo
- Publication number
- FR2407331A1 FR2407331A1 FR7733671A FR7733671A FR2407331A1 FR 2407331 A1 FR2407331 A1 FR 2407331A1 FR 7733671 A FR7733671 A FR 7733671A FR 7733671 A FR7733671 A FR 7733671A FR 2407331 A1 FR2407331 A1 FR 2407331A1
- Authority
- FR
- France
- Prior art keywords
- spring
- erection support
- flange connecting
- shackle
- arched base
- 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.)
- Pending
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
- E06C7/42—Ladder feet; Supports therefor
- E06C7/44—Means for mounting ladders on uneven ground
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
LA PRESENTE INVENTION CONCERNE UNE BASE D'ECHELLE A APLOMB AUTOMATIQUE. BASE CARACTERISEE EN CE QU'ELLE EST ESSENTIELLEMENT CONSTITUEE PAR UNE PIECE INFERIEURE D'APPUI AU SOL, PAR UNE TRAVERSE SUPERIEURE DE FIXATION A UNE ECHELLE, LES PARTIES EN CONTACT DE LA PIECE INFERIEURE ET DE LA TRAVERSE POUVANT COULISSER L'UNE SUR L'AUTRE, ET PRESENTANT UNE FORME D'ARC, PAR UN RESSORT INTERMEDIAIRE AGISSANT SUR LA PIECE INFERIEURE ET PAR UNE BRIDE D'ASSEMBLAGE DE LA PIECE INFERIEURE ET DE LA TRAVERSE. L'INVENTION EST PLUS PARTICULIEREMENT APPLICABLE DANS LE DOMAINE DE LA FABRICATION DES ECHELLES.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7733671A FR2407331A1 (fr) | 1977-10-28 | 1977-10-28 | Base d'echelle a aplomb automatique |
DE19782846243 DE2846243A1 (de) | 1977-10-28 | 1978-10-24 | Untersatz fuer selbsttaetiges, lotrechtes aufstellen einer leiter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7733671A FR2407331A1 (fr) | 1977-10-28 | 1977-10-28 | Base d'echelle a aplomb automatique |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2407331A1 true FR2407331A1 (fr) | 1979-05-25 |
Family
ID=9197413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7733671A Pending FR2407331A1 (fr) | 1977-10-28 | 1977-10-28 | Base d'echelle a aplomb automatique |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2846243A1 (fr) |
FR (1) | FR2407331A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0079893A1 (fr) * | 1981-01-02 | 1983-06-01 | Milba Properties Pty Ltd | Dispositif de mise a niveau pour echelles. |
FR2621952A1 (fr) * | 1987-10-14 | 1989-04-21 | Fameca Sa | Dispositif compensateur de niveau pour echelle |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10109947A1 (de) * | 2001-02-09 | 2002-09-19 | Loh Kg Hailo Werk | Leiter mit einem Niveauausgleich |
DE102019007760B4 (de) | 2019-11-08 | 2023-05-17 | Ulrich Keller | Wendeltreppengerüst |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB655493A (en) * | 1948-06-21 | 1951-07-25 | John George Hanington | Improvements in or relating to support units for ladders used on uneven or sloping ground |
US3199629A (en) * | 1963-11-12 | 1965-08-10 | Robert W Fagaly | Ladder construction |
CH563521A5 (en) * | 1972-11-16 | 1975-06-30 | Charley W Boyden | Stabilising ladder support for uneven ground - has curved legs movable in arc on bottom rungs and lockable by toothed mechanism |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2971602A (en) * | 1958-10-06 | 1961-02-14 | Claude A West | Ladder leg levelling device |
-
1977
- 1977-10-28 FR FR7733671A patent/FR2407331A1/fr active Pending
-
1978
- 1978-10-24 DE DE19782846243 patent/DE2846243A1/de not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB655493A (en) * | 1948-06-21 | 1951-07-25 | John George Hanington | Improvements in or relating to support units for ladders used on uneven or sloping ground |
US3199629A (en) * | 1963-11-12 | 1965-08-10 | Robert W Fagaly | Ladder construction |
CH563521A5 (en) * | 1972-11-16 | 1975-06-30 | Charley W Boyden | Stabilising ladder support for uneven ground - has curved legs movable in arc on bottom rungs and lockable by toothed mechanism |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0079893A1 (fr) * | 1981-01-02 | 1983-06-01 | Milba Properties Pty Ltd | Dispositif de mise a niveau pour echelles. |
EP0079893A4 (fr) * | 1981-01-02 | 1983-06-08 | Milba Properties Pty Ltd | Dispositif de mise a niveau pour echelles. |
FR2621952A1 (fr) * | 1987-10-14 | 1989-04-21 | Fameca Sa | Dispositif compensateur de niveau pour echelle |
Also Published As
Publication number | Publication date |
---|---|
DE2846243A1 (de) | 1979-05-03 |
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