ES289900U - Escalera plegable - Google Patents
Escalera plegableInfo
- Publication number
- ES289900U ES289900U ES1985289900U ES289900U ES289900U ES 289900 U ES289900 U ES 289900U ES 1985289900 U ES1985289900 U ES 1985289900U ES 289900 U ES289900 U ES 289900U ES 289900 U ES289900 U ES 289900U
- Authority
- ES
- Spain
- Prior art keywords
- stiles
- ladder
- main stiles
- main
- articulated
- 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
- 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
- E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
- E06C1/3835—Foldable ladders in which the longitudinal members are brought together on folding having collapsible steps comprising a hinge in their central part
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/005—Ladders in use as furniture or ladders in relation to furniture, e.g. in cupboards
-
- 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
- E06C1/382—Tripod ladders
Landscapes
- Ladders (AREA)
- Holders For Apparel And Elements Relating To Apparel (AREA)
Abstract
Escalera plegable del tipo que comprende: un par de largueros principales (1), una serie de peldaños articulados centralmente (5) con extremos (7, 8 ) articulados a los dos largueros principales (1), con lo que la escalera puede adoptar una configuración inoperante plegada y en donde los largueros principales (1) están contiguos y una configuración operativa extendida en donde los largueros principales (1) están espaciados entre sí, y medios para retener la escalera en la configuración operativa extendida, caracterizada porque los largueros principales (1) se articulan entre si por sus extremos superiores, y porque la escalera incluye adicionalmente un solo larguero auxiliar (3) articulado por su extremo superior a los dos extremos superiores de los largueros principales (1) entorno de un eje (4) sustancialmente perpendicular al eje de articulación (2) de los dos largueros principales (1), siendo el larguero auxiliar (3) móvil entre una posición contigua de los largueros (1), correspondiente a la condición inoperante plegada de la escalera, y una posición espaciada de los largueros principales (1), correspondiente a la condición operativa extendida de la escalera.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8552842U IT8552842V0 (it) | 1985-01-14 | 1985-01-14 | Scala a pioli pieghevole a tre montanti |
Publications (2)
Publication Number | Publication Date |
---|---|
ES289900U true ES289900U (es) | 1986-04-01 |
ES289900Y ES289900Y (es) | 1987-03-16 |
Family
ID=11277914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1985289900U Expired ES289900Y (es) | 1985-01-14 | 1985-10-28 | Escalera plegable |
Country Status (7)
Country | Link |
---|---|
US (1) | US4618027A (es) |
EP (1) | EP0188178A3 (es) |
JP (1) | JPS61165486A (es) |
AU (1) | AU552040B1 (es) |
CA (1) | CA1227774A (es) |
ES (1) | ES289900Y (es) |
IT (1) | IT8552842V0 (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3733702A1 (de) * | 1987-10-06 | 1989-05-03 | Collet Dieter | Zusammenfaltbare steigleiter |
US4750587A (en) * | 1987-10-16 | 1988-06-14 | William A. McAllister | Ladder and method of using ladder for escape |
US4998599A (en) * | 1990-06-18 | 1991-03-12 | Wang Tzann D | Foldable ladder |
JP4668883B2 (ja) * | 2006-08-17 | 2011-04-13 | 株式会社日幸 | 折り畳み式脚立 |
US9534443B1 (en) | 2011-12-27 | 2017-01-03 | Robert C. Bogart | Ladder and related methods |
EP2878760A1 (en) | 2013-11-29 | 2015-06-03 | Teräs-Kari OY | Foldable ladder |
CN106014182B (zh) * | 2016-06-23 | 2017-12-26 | 如东县燕川供水服务有限公司 | 一种三角农艺梯 |
EP3810886A1 (en) * | 2018-06-20 | 2021-04-28 | Guapo Ventures BVBA | Foldable ladder assembly |
US10767418B2 (en) * | 2018-09-27 | 2020-09-08 | Louisville Ladder Inc. | Tripod stepladder |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US610284A (en) * | 1898-09-06 | schubert | ||
DE70774C (de) * | H. SPREEN in Gütersloh i. W | Zusammenklappbarer Kleiderständer | ||
US130929A (en) * | 1872-08-27 | Improvement in folding step-ladders | ||
FR323411A (fr) * | 1902-08-02 | 1903-03-05 | Cointepoix De Blay Georges Jos | Perfectionnements apportés aux échelles articulées |
US958732A (en) * | 1908-03-06 | 1910-05-24 | Dennis Novelty Ladder Company | Ladder. |
US1184432A (en) * | 1914-05-19 | 1916-05-23 | John N Dueber | Step-ladder. |
US1139990A (en) * | 1914-07-21 | 1915-05-18 | Harry T Trunkey | Orchard-ladder. |
US1191405A (en) * | 1915-03-26 | 1916-07-18 | Peter E Daubenspeck | Combination fire-escape and costumer. |
US1265922A (en) * | 1916-06-10 | 1918-05-14 | Edward H Lanier | Combined step-ladder and rack. |
US1371125A (en) * | 1918-01-05 | 1921-03-08 | Jr Herman Frank Speckman | Folding ladder |
FR705371A (fr) * | 1930-11-12 | 1931-06-05 | échelle pliante à pied arrière | |
US2088878A (en) * | 1936-09-03 | 1937-08-03 | George H Stogner | Foldable stepladder |
FR1062385A (fr) * | 1952-09-03 | 1954-04-21 | échelle pliante | |
US2981364A (en) * | 1959-07-13 | 1961-04-25 | Webber Jack | Folding ladder |
US3084760A (en) * | 1960-01-18 | 1963-04-09 | Lamberti Battista | Stepladder with folding elements |
ES435574A1 (es) * | 1974-03-14 | 1977-03-16 | Hickman Designs Ltd | Perfeccionamientos en escaleras plegables. |
-
1985
- 1985-01-14 IT IT8552842U patent/IT8552842V0/it unknown
- 1985-10-14 EP EP85830256A patent/EP0188178A3/en not_active Withdrawn
- 1985-10-22 US US06/790,016 patent/US4618027A/en not_active Expired - Fee Related
- 1985-10-22 CA CA000493506A patent/CA1227774A/en not_active Expired
- 1985-10-28 AU AU49129/85A patent/AU552040B1/en not_active Ceased
- 1985-10-28 ES ES1985289900U patent/ES289900Y/es not_active Expired
- 1985-11-11 JP JP60252589A patent/JPS61165486A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4618027A (en) | 1986-10-21 |
ES289900Y (es) | 1987-03-16 |
AU552040B1 (en) | 1986-05-22 |
IT8552842V0 (it) | 1985-01-14 |
EP0188178A3 (en) | 1987-04-15 |
EP0188178A2 (en) | 1986-07-23 |
CA1227774A (en) | 1987-10-06 |
JPS61165486A (ja) | 1986-07-26 |
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