EP1231356A3 - Ladder with a level-compensating device - Google Patents

Ladder with a level-compensating device Download PDF

Info

Publication number
EP1231356A3
EP1231356A3 EP01128781A EP01128781A EP1231356A3 EP 1231356 A3 EP1231356 A3 EP 1231356A3 EP 01128781 A EP01128781 A EP 01128781A EP 01128781 A EP01128781 A EP 01128781A EP 1231356 A3 EP1231356 A3 EP 1231356A3
Authority
EP
European Patent Office
Prior art keywords
curved bar
clamping
ladder
clamping device
side rails
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.)
Granted
Application number
EP01128781A
Other languages
German (de)
French (fr)
Other versions
EP1231356B1 (en
EP1231356A2 (en
Inventor
Rudolf Pfeifer
Manfred Klaas
Edgar Kunz
Norbert Dross
Ulrich Weigel
Martin Gaubatz
Gerhard Müller
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.)
Hailo Werk Rudolf Loh GmbH and Co KG
Original Assignee
Hailo Werk Rudolf Loh GmbH and Co KG
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 DE10109947A external-priority patent/DE10109947A1/en
Application filed by Hailo Werk Rudolf Loh GmbH and Co KG filed Critical Hailo Werk Rudolf Loh GmbH and Co KG
Publication of EP1231356A2 publication Critical patent/EP1231356A2/en
Publication of EP1231356A3 publication Critical patent/EP1231356A3/en
Application granted granted Critical
Publication of EP1231356B1 publication Critical patent/EP1231356B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Abstract

Ladder comprises rungs arranged between two parallel side rails (11, 12), a lower stand part having two feet forming bearing points, and a leveling device. The leveling device consists of a curved bar (14) which is moved along a curve relative to the side rails, and a clamping device (20) attached to the lowermost rung (13) adjacent to the curved bar for fixing the curved bar in the desired position. The clamping device is designed so that the clamping force acts on the curved bar from the side, i.e. horizontally /at the periphery, when the ladder is upright. Preferred Features: The clamping device consists of two similar halves pressed together by an operating element and forming a holder for the curved bar. The curved bar moves freely within the released clamping device and is held in the clamping position by the clamping force when the device is activated.
EP01128781A 2001-02-09 2001-12-04 Ladder with a level-compensating device Expired - Lifetime EP1231356B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10106448 2001-02-09
DE10106448 2001-02-09
DE10109947 2001-03-01
DE10109947A DE10109947A1 (en) 2001-02-09 2001-03-01 Head with a level balance

Publications (3)

Publication Number Publication Date
EP1231356A2 EP1231356A2 (en) 2002-08-14
EP1231356A3 true EP1231356A3 (en) 2003-01-15
EP1231356B1 EP1231356B1 (en) 2008-03-05

Family

ID=26008478

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01128781A Expired - Lifetime EP1231356B1 (en) 2001-02-09 2001-12-04 Ladder with a level-compensating device

Country Status (4)

Country Link
EP (1) EP1231356B1 (en)
AT (1) ATE388299T1 (en)
DE (1) DE50113693D1 (en)
DK (1) DK1231356T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2008261597B2 (en) 2007-06-15 2014-12-04 Ronald Paul Jones An adjustable support device
DE202008015903U1 (en) 2008-12-02 2009-02-19 Hailo-Werk Rudolf Loh Gmbh & Co. Kg Rollers for a ladder and arrangement of a rung ladder and such rolls
DE202012100751U1 (en) 2012-03-02 2013-06-04 Hailo-Werk Rudolf Loh Gmbh & Co. Kg Ladder and ladder base with swiveling and movable earth tip
CN108266116B (en) * 2014-01-23 2020-04-10 比格福特兰德系统有限公司 Ladder balancing and stabilizing assembly
DE102015010255A1 (en) 2015-08-07 2017-02-09 Hymer-Leichtmetallbau Gmbh & Co. Kg Ladder foot for ladders, scaffolding, work platforms and the like

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2320144A (en) * 1942-10-06 1943-05-25 Johnson Eric Auxiliary ladder leg
GB643565A (en) * 1947-12-02 1950-09-20 Bernhard Volkery Clamps
US3173512A (en) * 1962-06-12 1965-03-16 Sturdy Leonard Frederick Ladder levelling device
FR2621952A1 (en) * 1987-10-14 1989-04-21 Fameca Sa Level compensator device for a ladder
DE9002445U1 (en) * 1990-03-02 1991-03-28 Hymer-Leichtmetallbau, 7988 Wangen, De
EP0677663A1 (en) * 1994-04-13 1995-10-18 Jani-Jack Limited Clamps
EP0894937A1 (en) * 1997-07-29 1999-02-03 Hailo-Werk Rudolf Loh GmbH & Co. KG Leaning ladder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2320144A (en) * 1942-10-06 1943-05-25 Johnson Eric Auxiliary ladder leg
GB643565A (en) * 1947-12-02 1950-09-20 Bernhard Volkery Clamps
US3173512A (en) * 1962-06-12 1965-03-16 Sturdy Leonard Frederick Ladder levelling device
FR2621952A1 (en) * 1987-10-14 1989-04-21 Fameca Sa Level compensator device for a ladder
DE9002445U1 (en) * 1990-03-02 1991-03-28 Hymer-Leichtmetallbau, 7988 Wangen, De
EP0677663A1 (en) * 1994-04-13 1995-10-18 Jani-Jack Limited Clamps
EP0894937A1 (en) * 1997-07-29 1999-02-03 Hailo-Werk Rudolf Loh GmbH & Co. KG Leaning ladder

Also Published As

Publication number Publication date
ATE388299T1 (en) 2008-03-15
DE50113693D1 (en) 2008-04-17
EP1231356B1 (en) 2008-03-05
EP1231356A2 (en) 2002-08-14
DK1231356T3 (en) 2008-06-30

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