ATE33697T1 - Hoehenausgleichsvorrichtung fuer leitern. - Google Patents

Hoehenausgleichsvorrichtung fuer leitern.

Info

Publication number
ATE33697T1
ATE33697T1 AT85900153T AT85900153T ATE33697T1 AT E33697 T1 ATE33697 T1 AT E33697T1 AT 85900153 T AT85900153 T AT 85900153T AT 85900153 T AT85900153 T AT 85900153T AT E33697 T1 ATE33697 T1 AT E33697T1
Authority
AT
Austria
Prior art keywords
pct
ground
ladders
compensation device
height compensation
Prior art date
Application number
AT85900153T
Other languages
English (en)
Inventor
James Brian Clarke
Original Assignee
James Brian Clarke
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 James Brian Clarke filed Critical James Brian Clarke
Application granted granted Critical
Publication of ATE33697T1 publication Critical patent/ATE33697T1/de

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
    • E06C7/426—Height adjustable supports for receiving both ladder feet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
  • Soil Working Implements (AREA)
AT85900153T 1983-12-15 1984-12-10 Hoehenausgleichsvorrichtung fuer leitern. ATE33697T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB838333488A GB8333488D0 (en) 1983-12-15 1983-12-15 Ladder levelling device
EP85900153A EP0165958B1 (de) 1983-12-15 1984-12-10 Höhenausgleichsvorrichtung für leitern
PCT/GB1984/000427 WO1985002650A1 (en) 1983-12-15 1984-12-10 Ladder levelling device

Publications (1)

Publication Number Publication Date
ATE33697T1 true ATE33697T1 (de) 1988-05-15

Family

ID=10553356

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85900153T ATE33697T1 (de) 1983-12-15 1984-12-10 Hoehenausgleichsvorrichtung fuer leitern.

Country Status (8)

Country Link
US (1) US4699247A (de)
EP (1) EP0165958B1 (de)
JP (1) JPH0631508B2 (de)
AT (1) ATE33697T1 (de)
AU (1) AU576456B2 (de)
DE (1) DE3470580D1 (de)
GB (1) GB8333488D0 (de)
WO (1) WO1985002650A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8816599D0 (en) * 1988-07-13 1988-08-17 Clarke J B Ladder levelling mat
FR2663075B1 (fr) * 1990-06-08 1993-12-31 Testu Pierre Dispositif horizontal support d'echelles, compensateur de marches d'escaliers.
USD331137S (en) 1990-06-25 1992-11-17 Delaura Frederick E Boat boarding ramp
US5263551A (en) * 1992-01-06 1993-11-23 Andersen Terry M Device for use in carpentry and painting
US5791438A (en) * 1996-11-18 1998-08-11 John Kempton Adjustable platform for supporting ladders
US5971983A (en) 1997-05-09 1999-10-26 The Regents Of The University Of California Tissue ablation device and method of use
USD422091S (en) * 1998-03-16 2000-03-28 Michelsen Peter D Ladder leveler
US6044929A (en) * 1999-01-27 2000-04-04 Wishner; David Matthew Ladder leveling device
US6547036B1 (en) 2001-04-10 2003-04-15 Boyce N. Carter Ladder leg support apparatus
US8042651B1 (en) * 2010-03-04 2011-10-25 Alisa Michnik Ladder support device
US11131142B2 (en) 2016-12-20 2021-09-28 Werner Co. Ladder, overmolded foot and method
US10138682B2 (en) 2016-12-28 2018-11-27 Werner Co. Tri-foot, ladder and method
US10662707B2 (en) * 2017-04-27 2020-05-26 Peter Koeman, IV Wedge ladder leveler
US11933106B2 (en) 2018-01-23 2024-03-19 Werner Co. Ladder, foot and method
US12435568B1 (en) 2022-02-22 2025-10-07 Charles S. Hayden Adjustable ladder platform

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767032A (en) * 1952-05-29 1956-10-16 Mitchell Maintenance Company I Platform for painting poles
US3086612A (en) * 1962-06-08 1963-04-23 Donald E Mckinley Adjustable ladder base
US3199628A (en) * 1963-03-21 1965-08-10 Robert W Fagaly Ladder construction
US3199629A (en) * 1963-11-12 1965-08-10 Robert W Fagaly Ladder construction
US3390739A (en) * 1967-05-15 1968-07-02 Frederick A. Hastings Ladder leveling device
GB1367489A (en) * 1972-09-20 1974-09-18 Parkins F Ladders
US3993275A (en) * 1973-01-03 1976-11-23 Lucas Edwin K Ladder lifting and leveling device
DK144280C (da) * 1976-03-19 1982-07-05 K Jensen Opklodsningskile
US4069890A (en) * 1976-04-20 1978-01-24 Gottliebsen Lenius H Device for leveling a ladder
US4304318A (en) * 1980-07-21 1981-12-08 Webb Allie E Ladder levelling system
EP0079893B1 (de) * 1981-01-02 1985-08-28 Milba Properties Pty. Ltd. Ausrichtevorrichtung für leitern

Also Published As

Publication number Publication date
US4699247A (en) 1987-10-13
AU3780685A (en) 1985-06-26
DE3470580D1 (en) 1988-05-26
JPS61500739A (ja) 1986-04-17
AU576456B2 (en) 1988-08-25
JPH0631508B2 (ja) 1994-04-27
WO1985002650A1 (en) 1985-06-20
GB8333488D0 (en) 1984-01-25
EP0165958B1 (de) 1988-04-20
EP0165958A1 (de) 1986-01-02

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