CA970739A - Device for adapting the lengths of a pair of legs, such as those of a ladder, to unevenness of a supporting surface - Google Patents

Device for adapting the lengths of a pair of legs, such as those of a ladder, to unevenness of a supporting surface

Info

Publication number
CA970739A
CA970739A CA151,274A CA151274A CA970739A CA 970739 A CA970739 A CA 970739A CA 151274 A CA151274 A CA 151274A CA 970739 A CA970739 A CA 970739A
Authority
CA
Canada
Prior art keywords
ladder
adapting
unevenness
legs
lengths
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.)
Expired
Application number
CA151,274A
Other languages
English (en)
Other versions
CA151274S (en
Inventor
Walter Sturm
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
Application granted granted Critical
Publication of CA970739A publication Critical patent/CA970739A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/42Ladder feet; Supports therefor
    • E06C7/44Means for mounting ladders on uneven ground

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
  • Legs For Furniture In General (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
CA151,274A 1972-02-10 1972-09-08 Device for adapting the lengths of a pair of legs, such as those of a ladder, to unevenness of a supporting surface Expired CA970739A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2206326A DE2206326C3 (de) 1972-02-10 1972-02-10 Vorrichtung.zur Längenanpassung eines Beinpaares, insbesondere einer Leiter, an Bodenunebenheiten

Publications (1)

Publication Number Publication Date
CA970739A true CA970739A (en) 1975-07-08

Family

ID=5835645

Family Applications (1)

Application Number Title Priority Date Filing Date
CA151,274A Expired CA970739A (en) 1972-02-10 1972-09-08 Device for adapting the lengths of a pair of legs, such as those of a ladder, to unevenness of a supporting surface

Country Status (12)

Country Link
US (1) US3794141A (ja)
JP (1) JPS519353B2 (ja)
AT (1) AT334743B (ja)
BE (1) BE788188A (ja)
CA (1) CA970739A (ja)
CH (1) CH548530A (ja)
DE (1) DE2206326C3 (ja)
FR (1) FR2171700A5 (ja)
GB (1) GB1369365A (ja)
IT (1) IT969334B (ja)
NL (1) NL7211062A (ja)
SE (1) SE368257B (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH554496A (fr) * 1972-05-12 1974-09-30 Test Sa D Etudes Tech Support a pieds a calage automatique.
JPS5716961Y2 (ja) * 1978-03-28 1982-04-09
GB2136285B (en) * 1983-03-17 1987-05-13 Hotpoint Ltd Levelling arrangement
US4497390A (en) * 1983-05-23 1985-02-05 Wilson Frederick D Self-adjusting ladder
US4541650A (en) * 1983-10-11 1985-09-17 Cline Jack B Motorcycle ride-off stand
US4673061A (en) * 1986-08-13 1987-06-16 Zeiset A Leon Automatic ladder leveling apparatus
US4951780A (en) * 1988-08-08 1990-08-28 Kim Myung H Combination ladder and height adjustable scaffold
GB2231611A (en) * 1989-01-16 1990-11-21 John Randolph Wray Self-levelling attachment for ladder
US5007503A (en) * 1990-07-19 1991-04-16 Walter Sturm Ladder levelling device with locking means
EP2419594B8 (en) * 2009-04-14 2015-02-18 Henrik Seibæk ApS Leg levelling
US10179092B2 (en) * 2015-09-14 2019-01-15 David Marshall Plavan Stand for supporting a baby bottle and a method thereof
US11549636B1 (en) 2020-04-20 2023-01-10 Richard F. Langner Systems and methods for a self-stabilizing platform

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3102606A (en) * 1961-02-21 1963-09-03 Hopfeld Henry Adjustable legs for ladders
US3090466A (en) * 1961-07-05 1963-05-21 Allen J Wright Slope support compensators for ladders

Also Published As

Publication number Publication date
GB1369365A (en) 1974-10-09
IT969334B (it) 1974-03-30
SE368257B (ja) 1974-06-24
FR2171700A5 (ja) 1973-09-21
DE2206326B2 (de) 1974-03-14
BE788188A (fr) 1973-02-28
JPS4889074A (ja) 1973-11-21
DE2206326A1 (de) 1973-08-30
DE2206326C3 (de) 1974-10-17
NL7211062A (ja) 1973-08-14
US3794141A (en) 1974-02-26
AT334743B (de) 1976-02-10
ATA737972A (de) 1976-05-15
JPS519353B2 (ja) 1976-03-26
CH548530A (de) 1974-04-30

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