EP0047151A3 - Höhenausgleichsvorrichtung für eine Leiter - Google Patents

Höhenausgleichsvorrichtung für eine Leiter Download PDF

Info

Publication number
EP0047151A3
EP0047151A3 EP81303947A EP81303947A EP0047151A3 EP 0047151 A3 EP0047151 A3 EP 0047151A3 EP 81303947 A EP81303947 A EP 81303947A EP 81303947 A EP81303947 A EP 81303947A EP 0047151 A3 EP0047151 A3 EP 0047151A3
Authority
EP
European Patent Office
Prior art keywords
ladder
arcuate member
leveller
ladder levelling
arrangements
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Withdrawn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
EP81303947A
Other languages
English (en)
French (fr)
Other versions
EP0047151A2 (de
Inventor
Patrick Yelverton Williams
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.)
Yelverton Holdings Pty Ltd
Original Assignee
Yelverton Holdings Pty Ltd
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
Priority claimed from AU73922/81A external-priority patent/AU7392281A/en
Application filed by Yelverton Holdings Pty Ltd filed Critical Yelverton Holdings Pty Ltd
Publication of EP0047151A2 publication Critical patent/EP0047151A2/de
Publication of EP0047151A3 publication Critical patent/EP0047151A3/de
Withdrawn legal-status Critical Current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
    • E06C7/42—Ladder feet; Supports therefor
    • E06C7/44—Means for mounting ladders on uneven ground

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
EP81303947A 1980-08-29 1981-08-28 Höhenausgleichsvorrichtung für eine Leiter Withdrawn EP0047151A3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU73922/81A AU7392281A (en) 1980-08-29 1980-08-29 Ladder levelling arrangement
AU531580 1980-08-29
AU5315/80 1980-08-29

Publications (2)

Publication Number Publication Date
EP0047151A2 EP0047151A2 (de) 1982-03-10
EP0047151A3 true EP0047151A3 (de) 1982-09-22

Family

ID=25611212

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81303947A Withdrawn EP0047151A3 (de) 1980-08-29 1981-08-28 Höhenausgleichsvorrichtung für eine Leiter

Country Status (1)

Country Link
EP (1) EP0047151A3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991014850A1 (en) * 1990-03-20 1991-10-03 Keith Edward Wright Ladder support device
US8162273B2 (en) 2007-06-15 2012-04-24 Ronald Paul Jones Adjustable support structure
US9534443B1 (en) 2011-12-27 2017-01-03 Robert C. Bogart Ladder and related methods

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960182A (en) * 1958-05-12 1960-11-15 Elmer L Swanson Ladder supporting device
US3199629A (en) * 1963-11-12 1965-08-10 Robert W Fagaly Ladder construction
US3887034A (en) * 1973-12-26 1975-06-03 Raymond Lee Organization Inc Portable pipe clamp
CH563521A5 (en) * 1972-11-16 1975-06-30 Charley W Boyden Stabilising ladder support for uneven ground - has curved legs movable in arc on bottom rungs and lockable by toothed mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960182A (en) * 1958-05-12 1960-11-15 Elmer L Swanson Ladder supporting device
US3199629A (en) * 1963-11-12 1965-08-10 Robert W Fagaly Ladder construction
CH563521A5 (en) * 1972-11-16 1975-06-30 Charley W Boyden Stabilising ladder support for uneven ground - has curved legs movable in arc on bottom rungs and lockable by toothed mechanism
US3887034A (en) * 1973-12-26 1975-06-03 Raymond Lee Organization Inc Portable pipe clamp

Also Published As

Publication number Publication date
EP0047151A2 (de) 1982-03-10

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Legal Events

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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 LU NL SE

PUAL Search report despatched

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18D Application deemed to be withdrawn

Effective date: 19830829

RIN1 Information on inventor provided before grant (corrected)

Inventor name: WILLIAMS, PATRICK YELVERTON