FR2416336A1 - Perfectionnements aux echelles - Google Patents
Perfectionnements aux echellesInfo
- Publication number
- FR2416336A1 FR2416336A1 FR7902873A FR7902873A FR2416336A1 FR 2416336 A1 FR2416336 A1 FR 2416336A1 FR 7902873 A FR7902873 A FR 7902873A FR 7902873 A FR7902873 A FR 7902873A FR 2416336 A1 FR2416336 A1 FR 2416336A1
- Authority
- FR
- France
- Prior art keywords
- ladder
- upgrades
- scales
- ladders
- perpendicularly
- 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.)
- Granted
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
- E06C7/18—Devices for preventing persons from falling
- E06C7/181—Additional gripping devices, e.g. handrails
- E06C7/182—Additional gripping devices, e.g. handrails situated at the top of the ladder
-
- 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
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
- E06C1/36—Ladders suspendable by hooks or the like
-
- 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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT4792778A IT1101755B (it) | 1978-02-06 | 1978-02-06 | Perfezionamenti nelle scale |
IT4767579A IT1162258B (it) | 1979-01-17 | 1979-01-17 | Perfezionamenti nelle scale |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2416336A1 true FR2416336A1 (fr) | 1979-08-31 |
FR2416336B3 FR2416336B3 (US07122547-20061017-C00032.png) | 1981-11-13 |
Family
ID=26329216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7902873A Granted FR2416336A1 (fr) | 1978-02-06 | 1979-02-05 | Perfectionnements aux echelles |
Country Status (6)
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19708171A1 (de) * | 1997-02-07 | 1998-08-13 | Edwin Busenhart | Anstellleiter mit einem Anstellsicherheitselement und Haftzwischenlage für Leitern sowie Bausatz |
FR2812336A1 (fr) * | 2000-07-27 | 2002-02-01 | Frederic Tarabusi | Dispositif du type echelle a securite renforcee |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4483416A (en) * | 1983-12-08 | 1984-11-20 | Garcia Eduardo L | Height adjustable roof engaging attachment for ladders |
US6138794A (en) * | 1997-09-16 | 2000-10-31 | Transafety Inc. | Portable self-adjusting ladder |
DE19755390C2 (de) * | 1997-12-12 | 2001-09-20 | Metallbau Coenen Gmbh | Leitersicherung |
US6813792B2 (en) * | 2001-12-07 | 2004-11-09 | Robert Edward Miller | Gangway including an articulated ramp and ladder |
US10208538B2 (en) * | 2006-02-21 | 2019-02-19 | Werner Co. | Pipe tradesman's ladder and method |
US20070193826A1 (en) * | 2006-02-23 | 2007-08-23 | Yang Neil Chia-Chan | Adjustable ladder stabilizer |
CA2579931C (en) * | 2007-02-13 | 2010-10-19 | Gary J. Robichaud | Telescoping ladder safety grab arm and accessories |
DE102007014826B3 (de) * | 2007-03-28 | 2008-12-18 | W+W Aufzugkomponenten Gmbh U. Co. Kg | Zusammenklappbare Stufen-Anlegeleiter zum Abstieg in Aufzugschachtgruben |
US20100230208A1 (en) * | 2009-03-11 | 2010-09-16 | Hongwei Hsiao | Convertible multipurpose ladder stabilizers |
WO2014058911A1 (en) * | 2012-10-09 | 2014-04-17 | Wing Enterprises, Incorporated | Ladder securing apparatuses, ladders incorporating same and related methods |
CN103291207B (zh) * | 2013-05-22 | 2015-06-10 | 国家电网公司 | 绝缘平梯双挂钩 |
AU2014277621B2 (en) * | 2013-06-05 | 2018-03-22 | Od Tech Pty Limited | Ladder safety mechanisms |
US9382759B2 (en) * | 2013-06-18 | 2016-07-05 | Eric C. Bolinski | Cable hook attachment for ladders |
CN103334690B (zh) * | 2013-06-18 | 2015-03-04 | 国家电网公司 | 一种电力杆塔用绝缘平梯悬挂装置 |
US9945179B1 (en) * | 2013-07-11 | 2018-04-17 | David K. Joldersma | Removable step ladder for recreational vehicle |
US9593531B2 (en) | 2013-09-18 | 2017-03-14 | Wing Enterprises, Inc. | Ladder securing apparatus, ladders incorporating same and related methods |
GB201709189D0 (en) * | 2017-06-09 | 2017-07-26 | Couling Michael | Apparatus for maintenance of a solar array |
CN108150092B (zh) * | 2017-11-21 | 2019-01-29 | 金华送变电工程有限公司 | 一种可调节挂钩爬梯 |
CN109403848B (zh) * | 2018-11-21 | 2024-06-18 | 国家电网有限公司 | 一种水轮机蜗壳专用检修爬梯 |
US11578533B2 (en) | 2019-01-08 | 2023-02-14 | Guy Fortier | Step ladder device allowing the user to stand and work safely and comfortably on the upper steps of a step ladder |
US10883310B2 (en) | 2019-01-16 | 2021-01-05 | Benjamin Johnson | Ladder stability enhancing assembly |
CA3207617C (en) * | 2021-01-07 | 2024-02-06 | John DICKMAN | Ladder spreader |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US659814A (en) * | 1900-06-12 | 1900-10-16 | Herbert L Frizell | Ladder. |
US774009A (en) * | 1903-11-04 | 1904-11-01 | Charles Wandel | Ladder attachment. |
US843989A (en) * | 1906-07-09 | 1907-02-12 | Martin Bauer | Combined ladder and scaffold. |
US2088895A (en) * | 1936-05-18 | 1937-08-03 | Carl S Guthrie | Ladder hook |
US2815160A (en) * | 1953-07-31 | 1957-12-03 | John J Gilmour | Ladder attachment |
US3476211A (en) * | 1967-12-04 | 1969-11-04 | Louis A Cormier | Kit for constructing ladders and the like |
US3603431A (en) * | 1969-12-15 | 1971-09-07 | Alfred E Nameche | Ladder and support bracket therefor |
US3590951A (en) * | 1970-01-12 | 1971-07-06 | Lewis W Berger | Hook assembly for ladder |
US3712419A (en) * | 1971-08-04 | 1973-01-23 | Hara C O | Ladder attachment |
-
1979
- 1979-01-26 DE DE19792902993 patent/DE2902993A1/de not_active Withdrawn
- 1979-01-29 US US06/007,600 patent/US4311209A/en not_active Expired - Lifetime
- 1979-01-29 CH CH84179A patent/CH637730A5/it not_active IP Right Cessation
- 1979-02-02 NL NL7900840A patent/NL7900840A/xx not_active Application Discontinuation
- 1979-02-05 GB GB7903882A patent/GB2026073A/en not_active Withdrawn
- 1979-02-05 FR FR7902873A patent/FR2416336A1/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19708171A1 (de) * | 1997-02-07 | 1998-08-13 | Edwin Busenhart | Anstellleiter mit einem Anstellsicherheitselement und Haftzwischenlage für Leitern sowie Bausatz |
FR2812336A1 (fr) * | 2000-07-27 | 2002-02-01 | Frederic Tarabusi | Dispositif du type echelle a securite renforcee |
Also Published As
Publication number | Publication date |
---|---|
CH637730A5 (it) | 1983-08-15 |
US4311209A (en) | 1982-01-19 |
DE2902993A1 (de) | 1979-08-09 |
GB2026073A (en) | 1980-01-30 |
NL7900840A (nl) | 1979-08-08 |
FR2416336B3 (US07122547-20061017-C00032.png) | 1981-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |