EP0931904A3 - Echelle - Google Patents

Echelle Download PDF

Info

Publication number
EP0931904A3
EP0931904A3 EP98301074A EP98301074A EP0931904A3 EP 0931904 A3 EP0931904 A3 EP 0931904A3 EP 98301074 A EP98301074 A EP 98301074A EP 98301074 A EP98301074 A EP 98301074A EP 0931904 A3 EP0931904 A3 EP 0931904A3
Authority
EP
European Patent Office
Prior art keywords
beams
steps
ladder
side surfaces
punch
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Withdrawn
Application number
EP98301074A
Other languages
German (de)
English (en)
Other versions
EP0931904A2 (fr
Inventor
Ik Woo Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0931904A2 publication Critical patent/EP0931904A2/fr
Publication of EP0931904A3 publication Critical patent/EP0931904A3/fr
Withdrawn legal-status Critical Current

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
    • E06C7/50—Joints or other connecting parts
    • 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
    • E06C7/082—Connections between rungs or treads and longitudinal members
    • E06C7/085—Connections between rungs or treads and longitudinal members achieved by deforming the rung or the stile
    • 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
    • E06C1/14—Ladders capable of standing by themselves
    • E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
    • E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
    • 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
    • E06C1/32—Ladders with a strut which is formed as a ladder and can be secured in line with the ladder

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
EP98301074A 1998-01-14 1998-02-13 Echelle Withdrawn EP0931904A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR9800836 1998-01-14
KR1019980000836A KR100251377B1 (ko) 1998-01-14 1998-01-14 사다리

Publications (2)

Publication Number Publication Date
EP0931904A2 EP0931904A2 (fr) 1999-07-28
EP0931904A3 true EP0931904A3 (fr) 2000-05-17

Family

ID=19531442

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98301074A Withdrawn EP0931904A3 (fr) 1998-01-14 1998-02-13 Echelle

Country Status (2)

Country Link
EP (1) EP0931904A3 (fr)
KR (1) KR100251377B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA200205046B (en) * 2002-06-24 2003-10-29 Lezmin 1636 Cc Extensible ladder.
DE102004011851A1 (de) * 2004-03-09 2005-10-06 Hailo-Werk Rudolf Loh Gmbh & Co. Kg Verfahren zum Verbinden einer Sprosse mit einem Holm einer Leiter
TWI400387B (zh) * 2009-12-29 2013-07-01 Metal Ind Res & Dev Ct Anti - slip gantry and its manufacturing method
CN105317368A (zh) * 2015-11-20 2016-02-10 温四妹 一种单人作业人字梯
CN106337646B (zh) * 2016-11-21 2018-09-11 北方民族大学 一种梯子组合单元及多功能梯子
KR102177301B1 (ko) * 2019-06-25 2020-11-11 황성규 사다리용 보강 구조
CN111390037B (zh) * 2020-03-25 2021-07-06 翱文狄风电设备制造(上海)有限公司 一种薄型铝合金爬梯及其梯框和梯蹬之间的连接工艺

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE466463A (fr) *
FR1122019A (fr) * 1955-02-01 1956-08-30 Nusbaumer & Cie Perfectionnement à la construction des échelles
FR2100519A1 (fr) * 1971-10-27 1972-03-24 Chevant Claude
US3811151A (en) * 1972-04-11 1974-05-21 Zarges Leichtbau Gmbh Joint for collapsible ladders
GB2038441A (en) * 1978-11-11 1980-07-23 Norcros Investments Ltd Improvements in or relating to ladders
GB2090550A (en) * 1980-12-19 1982-07-14 Yamazaki Keiichiro A method for producing a railing or the like
EP0359970A1 (fr) * 1988-09-06 1990-03-28 Hailo-Werk Rudolf Loh GmbH & Co. KG Articulation à verrouillage pour échelle à usages multiples
US5022118A (en) * 1990-06-25 1991-06-11 Wan Dean Industry Co. Ladder joint with engagement spring member

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE466463A (fr) *
FR1122019A (fr) * 1955-02-01 1956-08-30 Nusbaumer & Cie Perfectionnement à la construction des échelles
FR2100519A1 (fr) * 1971-10-27 1972-03-24 Chevant Claude
US3811151A (en) * 1972-04-11 1974-05-21 Zarges Leichtbau Gmbh Joint for collapsible ladders
GB2038441A (en) * 1978-11-11 1980-07-23 Norcros Investments Ltd Improvements in or relating to ladders
GB2090550A (en) * 1980-12-19 1982-07-14 Yamazaki Keiichiro A method for producing a railing or the like
EP0359970A1 (fr) * 1988-09-06 1990-03-28 Hailo-Werk Rudolf Loh GmbH & Co. KG Articulation à verrouillage pour échelle à usages multiples
US5022118A (en) * 1990-06-25 1991-06-11 Wan Dean Industry Co. Ladder joint with engagement spring member

Also Published As

Publication number Publication date
KR100251377B1 (ko) 2000-06-01
KR19990065510A (ko) 1999-08-05
EP0931904A2 (fr) 1999-07-28

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