NO891964L - LIFT LADDER. - Google Patents
LIFT LADDER.Info
- Publication number
- NO891964L NO891964L NO89891964A NO891964A NO891964L NO 891964 L NO891964 L NO 891964L NO 89891964 A NO89891964 A NO 89891964A NO 891964 A NO891964 A NO 891964A NO 891964 L NO891964 L NO 891964L
- Authority
- NO
- Norway
- Prior art keywords
- line
- ladders
- ladder
- adjacent
- another
- Prior art date
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
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
- E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
Landscapes
- Ladders (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Programmable Controllers (AREA)
- Paints Or Removers (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Dental Preparations (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
An extension ladder comprising at least two separate single ladders (10, 20, 30, 40) which in their starting position lie upon one another and are slidable in relation to one another is shown. One of the two adjacent ladders comprises guide means for the other. Between each adjacent single ladder there is arranged a line pull system comprising line guides (1, 1'; 2, 2'; 3, 3'; 4) over which the line (7) runs and changes direction. Such a line pull system is independently arranged between two adjacent single ladders, so that a four-part extension ladder has three independent line pull systems.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO891964A NO167473C (en) | 1989-05-16 | 1989-05-16 | LIFT LADDER |
EP90907530A EP0479797B1 (en) | 1989-05-16 | 1990-05-16 | Extension ladder |
JP2507438A JPH04505354A (en) | 1989-05-16 | 1990-05-16 | add-on ladder |
AT90907530T ATE104402T1 (en) | 1989-05-16 | 1990-05-16 | EXTENDING LADDER. |
PCT/NO1990/000082 WO1990014491A1 (en) | 1989-05-16 | 1990-05-16 | Extension ladder |
DE69008177T DE69008177T2 (en) | 1989-05-16 | 1990-05-16 | SLIDING LADDER. |
AU56507/90A AU5650790A (en) | 1989-05-16 | 1990-05-16 | Extension ladder |
DK90907530.1T DK0479797T3 (en) | 1989-05-16 | 1990-05-16 | Extendable ladder |
FI915377A FI915377A0 (en) | 1989-05-16 | 1991-11-14 | FOERLAENGNINGSSTEGE. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO891964A NO167473C (en) | 1989-05-16 | 1989-05-16 | LIFT LADDER |
Publications (4)
Publication Number | Publication Date |
---|---|
NO891964D0 NO891964D0 (en) | 1989-05-16 |
NO891964L true NO891964L (en) | 1990-11-19 |
NO167473B NO167473B (en) | 1991-07-29 |
NO167473C NO167473C (en) | 1991-11-06 |
Family
ID=19892022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO891964A NO167473C (en) | 1989-05-16 | 1989-05-16 | LIFT LADDER |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0479797B1 (en) |
JP (1) | JPH04505354A (en) |
AT (1) | ATE104402T1 (en) |
AU (1) | AU5650790A (en) |
DE (1) | DE69008177T2 (en) |
DK (1) | DK0479797T3 (en) |
FI (1) | FI915377A0 (en) |
NO (1) | NO167473C (en) |
WO (1) | WO1990014491A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104234615A (en) * | 2013-06-10 | 2014-12-24 | 镇江跃进机械厂有限公司 | Anti-lateral-fall safety ladder |
JP6262601B2 (en) * | 2014-05-30 | 2018-01-17 | 紀美代 中尾 | Triple telescopic ladder |
CN105888525A (en) * | 2016-06-12 | 2016-08-24 | 吴江市三达五金工具厂 | Combined ladder achieving convenient storage |
CN110344746A (en) * | 2019-04-29 | 2019-10-18 | 珠海五八科技有限公司 | A kind of convenient and fast extension ladder of operation |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3347340A (en) * | 1966-01-20 | 1967-10-17 | Werner Co Inc R D | Extension ladders |
US3402788A (en) * | 1967-05-25 | 1968-09-24 | Werner Co Inc R D | Extension ladders |
-
1989
- 1989-05-16 NO NO891964A patent/NO167473C/en not_active IP Right Cessation
-
1990
- 1990-05-16 JP JP2507438A patent/JPH04505354A/en active Pending
- 1990-05-16 WO PCT/NO1990/000082 patent/WO1990014491A1/en active IP Right Grant
- 1990-05-16 AU AU56507/90A patent/AU5650790A/en not_active Abandoned
- 1990-05-16 DE DE69008177T patent/DE69008177T2/en not_active Expired - Fee Related
- 1990-05-16 EP EP90907530A patent/EP0479797B1/en not_active Expired - Lifetime
- 1990-05-16 DK DK90907530.1T patent/DK0479797T3/en active
- 1990-05-16 AT AT90907530T patent/ATE104402T1/en not_active IP Right Cessation
-
1991
- 1991-11-14 FI FI915377A patent/FI915377A0/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0479797A1 (en) | 1992-04-15 |
AU5650790A (en) | 1990-12-18 |
NO891964D0 (en) | 1989-05-16 |
FI915377A0 (en) | 1991-11-14 |
DE69008177T2 (en) | 1994-09-29 |
DE69008177D1 (en) | 1994-05-19 |
EP0479797B1 (en) | 1994-04-13 |
JPH04505354A (en) | 1992-09-17 |
ATE104402T1 (en) | 1994-04-15 |
NO167473C (en) | 1991-11-06 |
NO167473B (en) | 1991-07-29 |
DK0479797T3 (en) | 1994-08-08 |
WO1990014491A1 (en) | 1990-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN NOVEMBER 2001 |