ATE88T1 - DOUBLE EXTENSION LADDER OR STEPLADDER. - Google Patents

DOUBLE EXTENSION LADDER OR STEPLADDER.

Info

Publication number
ATE88T1
ATE88T1 AT79870013T AT79870013T ATE88T1 AT E88 T1 ATE88 T1 AT E88T1 AT 79870013 T AT79870013 T AT 79870013T AT 79870013 T AT79870013 T AT 79870013T AT E88 T1 ATE88 T1 AT E88T1
Authority
AT
Austria
Prior art keywords
stepladder
extension ladder
double extension
ladder
double
Prior art date
Application number
AT79870013T
Other languages
German (de)
Inventor
Gilbert Loix
Original Assignee
Gilbert Loix
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 Gilbert Loix filed Critical Gilbert Loix
Application granted granted Critical
Publication of ATE88T1 publication Critical patent/ATE88T1/en

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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
    • E06C5/02—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members
    • E06C5/04—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic
    • E06C5/16—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic using mechanical transmission only, with or without fluid or other non-mechanical couplings or clutches
    • 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
    • E06C7/46—Non-skid equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

A step ladder with rungs which can be retracted and transformed, without dismantling, into a folded ladder and an extension ladder.
AT79870013T 1978-05-23 1979-05-07 DOUBLE EXTENSION LADDER OR STEPLADDER. ATE88T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE187943A BE867361A (en) 1978-05-23 1978-05-23 DOUBLE EXTENSIBLE OR SUPPORTED LADDER
EP79870013A EP0005690B1 (en) 1978-05-23 1979-05-07 Double extension ladder or stepladder

Publications (1)

Publication Number Publication Date
ATE88T1 true ATE88T1 (en) 1981-07-15

Family

ID=3843118

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79870013T ATE88T1 (en) 1978-05-23 1979-05-07 DOUBLE EXTENSION LADDER OR STEPLADDER.

Country Status (7)

Country Link
US (1) US4256200A (en)
EP (1) EP0005690B1 (en)
JP (1) JPS54154671A (en)
AT (1) ATE88T1 (en)
BE (1) BE867361A (en)
CA (1) CA1103629A (en)
DE (1) DE2960416D1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS593999U (en) * 1982-06-30 1984-01-11 井上鉄工株式会社 Stepladder/ladder
GB2152125B (en) * 1983-12-23 1987-07-29 Alinco Inc Foldable ladder
DE3631673A1 (en) * 1986-09-18 1988-04-07 Loh Kg Hailo Werk DOUBLE RUNG LADDER
DE3825299A1 (en) * 1988-07-26 1990-02-01 Loh Kg Hailo Werk DOUBLE RUNG LADDER
US5638918A (en) * 1995-07-18 1997-06-17 Hebda; Dorothy E. Ladder conversion kit
EP1534918A4 (en) * 2002-04-19 2005-09-07 Laddaloc Pty Ltd Collapsible ladder
US7424933B2 (en) * 2002-05-28 2008-09-16 Norman Miller Ladder assemblies
US6991063B2 (en) * 2003-08-07 2006-01-31 Werner Co. Stowable ladder configured for installation in an opening
AU2005203398A1 (en) * 2005-08-02 2007-02-22 Laddaloc Pty Ltd Collapsible ladder
CA2759248C (en) * 2009-04-24 2015-06-23 Michael Fitzgerald An adjustable base extender for a ladder
US20140262621A1 (en) * 2013-03-15 2014-09-18 Hailo-Werk Rudolf Loh Gmbh & Co. Kg Step Ladder
US10151144B2 (en) 2016-12-14 2018-12-11 Werner Co. Ladder, wide rung and method
US10538966B2 (en) * 2017-05-10 2020-01-21 Werner Co. Ceiling ladder, deep step and method
CN109209216B (en) * 2018-07-22 2020-05-19 广东博智林机器人有限公司 Foldable intelligent cat ladder for maintenance
US11834908B2 (en) * 2019-09-12 2023-12-05 Werner Co. Interlocking ladders and components thereof
CN112145065A (en) * 2020-08-14 2020-12-29 河北省金具电力有限公司 Folding insulating ladder and processing technology and using method thereof
CN113090072B (en) * 2021-04-10 2022-05-20 新力建设集团有限公司 Safety ladder way suitable for deep foundation pit slope-making type excavation construction and assembling method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US193081A (en) * 1877-07-17 Improvement in step-ladders
GB1051152A (en) *
US798388A (en) * 1905-03-06 1905-08-29 John H W Bodendieck Ladder.
US860065A (en) * 1906-06-16 1907-07-16 Francis E Scott Store-service extension-ladder.
US958732A (en) * 1908-03-06 1910-05-24 Dennis Novelty Ladder Company Ladder.
US3100552A (en) * 1961-02-21 1963-08-13 Hopfeld Henry Convertible ladder
FR1593286A (en) * 1968-11-20 1970-05-25
ES435574A1 (en) * 1974-03-14 1977-03-16 Hickman Designs Ltd Foldable ladder
GB1497253A (en) * 1974-12-18 1978-01-05 Abru Aluminium Ltd Step ladders
BE840773R (en) * 1975-05-26 1976-08-02 FOLDING METAL LADDER FORMING TRAY
US4027741A (en) * 1976-07-15 1977-06-07 Shakespeare Company Locking hinge mechanism for a stepladder
DE2657985A1 (en) * 1976-12-21 1978-06-29 Wolfgang Tellenbach Universal ladder with hinged rungs - has stringer tops hinged to similar unit for step ladder formation

Also Published As

Publication number Publication date
CA1103629A (en) 1981-06-23
EP0005690A3 (en) 1979-12-12
JPS54154671A (en) 1979-12-05
DE2960416D1 (en) 1981-09-24
BE867361A (en) 1978-09-18
EP0005690B1 (en) 1981-06-17
US4256200A (en) 1981-03-17
EP0005690A2 (en) 1979-11-28

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee