EP0079852A3 - Multipurpose ladder - Google Patents

Multipurpose ladder Download PDF

Info

Publication number
EP0079852A3
EP0079852A3 EP82810464A EP82810464A EP0079852A3 EP 0079852 A3 EP0079852 A3 EP 0079852A3 EP 82810464 A EP82810464 A EP 82810464A EP 82810464 A EP82810464 A EP 82810464A EP 0079852 A3 EP0079852 A3 EP 0079852A3
Authority
EP
European Patent Office
Prior art keywords
ladder
rollers
serve
multipurpose ladder
stepladder
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Withdrawn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
EP82810464A
Other languages
German (de)
French (fr)
Other versions
EP0079852A2 (en
Inventor
Ruedi Giezendanner
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 EP0079852A2 publication Critical patent/EP0079852A2/en
Publication of EP0079852A3 publication Critical patent/EP0079852A3/en
Withdrawn legal-status Critical Current

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
    • E06C1/32—Ladders with a strut which is formed as a ladder and can be secured in line with 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
    • E06C1/38—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
    • 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
    • E06C1/397—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 characterised by having wheels, rollers, or runners

Abstract

Die Leiter weist zwei separate Leiterteile (1, 2) auf, die gegeneinander verschwenkbar und verschiebbar sind und auch völlig voneinander getrennt werden können. Sie ist als Stehleiter und als Anlegeleiter verwendbar. Der Leiterteil (2) ist mit Laufrollen (13) ausgerüstet, um den Transport der zusammengeklappten Leiter zu erleichtern. Ferner ist zwi­ schen den Laufrollen (13) eine herausklappbare Tragplatte (19) angeordnet, so dass der Leiterteil (2) als Sackkarren dienen kann, wobei die abgekröpften Enden (9a) der Seiten­ holme (9) als Handgriffe dienen. Die Leiter weist einen einfachen Aufbau auf und ist im Haushalt und in gewerbli­ chen Betrieben vielseitig verwendbar. The ladder has two separate ladder parts (1, 2) that are mutually pivotable and slidable and can also be completely separated from each other. It is as Stepladder and usable as a single ladder. The ladder part (2) is equipped with rollers (13) to transport the collapsed ladder to facilitate. Furthermore, between between the rollers (13) a fold-out support plate (19) arranged so that the ladder part (2) as a hand truck can serve, the bent ends (9a) of the sides spars (9) serve as handles. The ladder has one simple structure and is in the household and in trade Chen companies can be used in many ways.

EP82810464A 1981-11-13 1982-11-02 Multipurpose ladder Withdrawn EP0079852A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH731481 1981-11-13
CH7314/81 1981-11-13

Publications (2)

Publication Number Publication Date
EP0079852A2 EP0079852A2 (en) 1983-05-25
EP0079852A3 true EP0079852A3 (en) 1984-05-30

Family

ID=4323185

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82810464A Withdrawn EP0079852A3 (en) 1981-11-13 1982-11-02 Multipurpose ladder

Country Status (3)

Country Link
US (1) US4448282A (en)
EP (1) EP0079852A3 (en)
DE (1) DE8231497U1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129860B (en) * 1982-08-13 1986-01-08 Eastwood & Associates Ltd C J A convertible ladder/trolley device
DE9414120U1 (en) * 1994-08-31 1994-12-15 Iliesen Constantin Adrian Dipl Cart / ladder multifunction device
US5638918A (en) * 1995-07-18 1997-06-17 Hebda; Dorothy E. Ladder conversion kit
US6158749A (en) * 1997-09-25 2000-12-12 Cosco Management, Inc. Step stool and dolly apparatus
WO1999055997A1 (en) * 1998-04-28 1999-11-04 Henrik Lindberg Ladder combined with three different transport functions
US6443261B1 (en) 1999-08-13 2002-09-03 Cosco Management, Inc. Step stool
DE19940942C2 (en) * 1999-08-23 2001-12-13 Tim Bittner Transport device that can be converted into a climbing aid and can be moved by hand
US6328330B1 (en) 2000-05-02 2001-12-11 Gregory John Haaser Hand truck attachment for a ladder
US7036631B2 (en) * 2001-08-10 2006-05-02 American Innovations, Inc. Wheel attachment for ladder
US6585084B2 (en) * 2001-09-12 2003-07-01 Donald C. Gannon Ladder assist wheel
US6651774B2 (en) 2002-02-19 2003-11-25 Hoe Gwan Yoo Combined stepladder and hand truck assembly
US6688426B1 (en) 2002-03-02 2004-02-10 Harry Mikros Wheel extension and lift device for ladders
US6877586B2 (en) * 2003-04-11 2005-04-12 Sylmark Holdings Limited Hinge system for combination hand truck, step ladder and dolly device
US6880835B2 (en) * 2003-04-11 2005-04-19 Sylmark Holdings Limited Combination hand truck, step ladder and dolly
US7104362B2 (en) * 2003-08-27 2006-09-12 Cosco Management, Inc. Foldable step ladder with leg aligner and handle
US7093840B2 (en) * 2004-03-01 2006-08-22 Isotec, Inc. Multi-purpose combined ladder/cart assembly
CN101949257B (en) * 2010-09-01 2012-07-04 阳江市飞轮金属制品有限公司 Foldable castor ladder vehicle
CN104563847A (en) * 2014-11-11 2015-04-29 国家电网公司 Multifunctional handcart ladder
WO2017062004A1 (en) * 2015-10-08 2017-04-13 Thomas Steiner Ladder wheel
US11492847B2 (en) 2020-02-24 2022-11-08 Thomas Yoo Ladder

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1579701A (en) * 1924-10-09 1926-04-06 Lankershim Ladder Company Ladder
US3954155A (en) * 1974-04-23 1976-05-04 Orlando Guidara Stepladder dolly
GB1519956A (en) * 1975-10-15 1978-08-02 Newman P Comination sack truck
US4121855A (en) * 1977-05-11 1978-10-24 Magline, Inc. Hand truck construction
US4155422A (en) * 1978-07-03 1979-05-22 White Metal Rolling & Stamping Corp. Combination step, stair well and extension ladders

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104889A (en) * 1963-09-24 branch
US1116779A (en) * 1911-07-17 1914-11-10 George C Witt Combination-truck.
US1423366A (en) * 1920-09-21 1922-07-18 Henry C Snook Combined ironing board, stepladder, and house truck
GB444967A (en) * 1934-10-06 1936-04-01 William Clark Improvements in ladders
US3111193A (en) * 1961-08-23 1963-11-19 Roxton C Mckinnie Combination step-extension ladder with an adjustable pail shelf
GB1250781A (en) * 1967-12-13 1971-10-20
GB1288251A (en) * 1969-01-30 1972-09-06
DE2119218C3 (en) * 1971-04-21 1975-07-24 Koettgen & Cie, Gmbh, 5070 Bergisch- Gladbach Collapsible frame
DE7540295U (en) * 1975-12-18 1976-04-29 7151 Burgstetten MULTI-PURPOSE LADDER
US4106590A (en) * 1977-03-21 1978-08-15 Lords Iii Research & Development Co. Combined hand truck and ladder
US4258826A (en) * 1979-03-28 1981-03-31 Murray Douglas J Combination stepladder and load lifting apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1579701A (en) * 1924-10-09 1926-04-06 Lankershim Ladder Company Ladder
US3954155A (en) * 1974-04-23 1976-05-04 Orlando Guidara Stepladder dolly
GB1519956A (en) * 1975-10-15 1978-08-02 Newman P Comination sack truck
US4121855A (en) * 1977-05-11 1978-10-24 Magline, Inc. Hand truck construction
US4155422A (en) * 1978-07-03 1979-05-22 White Metal Rolling & Stamping Corp. Combination step, stair well and extension ladders

Also Published As

Publication number Publication date
DE8231497U1 (en) 1983-05-05
US4448282A (en) 1984-05-15
EP0079852A2 (en) 1983-05-25

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 19850131