NL144026B - LADDER. - Google Patents

LADDER.

Info

Publication number
NL144026B
NL144026B NL717100422A NL7100422A NL144026B NL 144026 B NL144026 B NL 144026B NL 717100422 A NL717100422 A NL 717100422A NL 7100422 A NL7100422 A NL 7100422A NL 144026 B NL144026 B NL 144026B
Authority
NL
Netherlands
Prior art keywords
ladder
Prior art date
Application number
NL717100422A
Other languages
Dutch (nl)
Other versions
NL7100422A (en
Original Assignee
Kuemmerlin Walter
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 Kuemmerlin Walter filed Critical Kuemmerlin Walter
Publication of NL7100422A publication Critical patent/NL7100422A/xx
Publication of NL144026B publication Critical patent/NL144026B/en

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
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • E06C7/081—Rungs or other treads comprising anti-slip features
    • 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
    • E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
    • E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
    • E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
  • Steps, Ramps, And Handrails (AREA)
NL717100422A 1970-01-14 1971-01-13 LADDER. NL144026B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2001416A DE2001416C3 (en) 1970-01-14 1970-01-14 ladder

Publications (2)

Publication Number Publication Date
NL7100422A NL7100422A (en) 1971-07-16
NL144026B true NL144026B (en) 1974-11-15

Family

ID=5759573

Family Applications (1)

Application Number Title Priority Date Filing Date
NL717100422A NL144026B (en) 1970-01-14 1971-01-13 LADDER.

Country Status (9)

Country Link
US (1) US3692143A (en)
BE (1) BE761522A (en)
CH (1) CH514064A (en)
DE (1) DE2001416C3 (en)
ES (1) ES194987Y (en)
FR (1) FR2075495A5 (en)
GB (1) GB1293301A (en)
IT (1) IT943552B (en)
NL (1) NL144026B (en)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161997A (en) * 1975-05-16 1979-07-24 Norman Thomas W Self-storing step structure for vehicular mounting
FR2408714A1 (en) * 1977-11-10 1979-06-08 Andersson Heimer Collapsible ladder with telescoping uprights - has end portions of rungs displaceable along guideways in uprights with stops defining lower terminal positions
US4182431A (en) * 1978-03-13 1980-01-08 Little Giant Industries Inc. Combination extension and step ladder rungs therefor
US4298093A (en) * 1978-11-16 1981-11-03 Little Giant Industries, Inc. Sawhorse
US4210224A (en) * 1979-01-05 1980-07-01 Kummerlin Nikolaus A Longitudinally variable ladder
US4566150A (en) * 1981-12-21 1986-01-28 Little Giant Industries, Inc. Ladder hinge and multi-position locking mechanism therefor
US4407045A (en) * 1981-12-21 1983-10-04 Boothe Leland H Ladder hinge and multi-position locking mechanism therefor
US4452833A (en) * 1982-02-08 1984-06-05 Consolidated Papers, Inc. Paper coating method
US4697305A (en) * 1985-02-14 1987-10-06 Harold R. Wing Release mechanism for locking hinge for multi-positioned ladder
US4951780A (en) * 1988-08-08 1990-08-28 Kim Myung H Combination ladder and height adjustable scaffold
DE8814195U1 (en) * 1988-11-12 1989-01-26 Krause-Werk Gmbh & Co Kg, 6320 Alsfeld, De
US5350038A (en) * 1993-02-01 1994-09-27 Lazarus Jonathan F Foldable extension ladder and ladder sections therefor
EP0746663B1 (en) * 1994-03-01 1998-05-20 Foxdale Developments Ltd. Extensible ladder
US6129179A (en) * 1999-09-10 2000-10-10 Rooney; William V. Laterally extensible ladder
US6857503B2 (en) * 2002-02-07 2005-02-22 Tricam Industries, Inc. Convertible ladder
US6886659B2 (en) 2002-02-07 2005-05-03 Tricam Industries, Inc. Convertible ladder
US6866117B2 (en) * 2002-04-05 2005-03-15 Wing Enterprises, Inc. Light weight ladder systems and methods
US7424933B2 (en) 2002-05-28 2008-09-16 Norman Miller Ladder assemblies
DE60315887T2 (en) * 2002-11-11 2008-05-15 Wing Enterprises, Springville KOMBLEITER, LEITERBAUTEILE AND MANUFACTURING PROCESS FOR SUCH LADDER
US20050274571A1 (en) * 2004-06-11 2005-12-15 Dennis Simpson Convertible fiberglass ladder
US8042653B2 (en) * 2005-02-02 2011-10-25 Werner Co. Adjustable work platform
US20070163838A1 (en) * 2006-01-13 2007-07-19 Advanced Ladders Modular ladder
GB2471850A (en) * 2009-07-14 2011-01-19 Camlock Engineering Ltd Support device for use with a vehicle or personnel
US9309718B1 (en) * 2010-08-05 2016-04-12 Martin Sinclair Matthew Stable stepladder with utility tray
US8701828B1 (en) * 2010-08-05 2014-04-22 Martin S Matthew Stable stepladder with utility tray
USD710031S1 (en) 2012-11-15 2014-07-29 Tricam Industries, Inc. Step stool
AU2015101862B4 (en) * 2015-05-12 2017-10-12 Hartman Pacific Pty Ltd Height adjustable ladder
CN205713939U (en) * 2016-05-03 2016-11-23 厦门新技术集成有限公司 A kind of Retractive leg of extension ladder
KR101767014B1 (en) * 2016-11-02 2017-08-09 서동영 Automatic ladder with adjustable length with electric screwdriver
USD860476S1 (en) 2017-01-04 2019-09-17 Tricam Industries, Inc. Hinge for a multi-position ladder
USD855833S1 (en) 2017-01-04 2019-08-06 Tricam Industries, Inc. Ladder rail
CN107178303A (en) * 2017-03-03 2017-09-19 厦门新技术集成有限公司 The double ladder that a kind of convertible vertical ladder is used
USD833643S1 (en) 2017-07-07 2018-11-13 Tricam Industries, Inc. Integrated ladder tray hook
US20200040656A1 (en) * 2018-08-02 2020-02-06 Werner Co. Extension Ladder, System and Method
US11505994B2 (en) * 2018-10-16 2022-11-22 Tricam Industries, Inc. Top cap for multi-position ladder
CN110359368B (en) * 2019-08-02 2021-12-24 山东汇洋建筑设备有限公司 Utilize sunken walking antiskid bridge of human weight to overhaul hanging flower basket
USD935055S1 (en) 2019-08-07 2021-11-02 Tricam Industries, Inc. Hinge for a multi-position ladder
USD940900S1 (en) 2021-06-04 2022-01-11 Richard Godett Ladder half-step

Also Published As

Publication number Publication date
BE761522A (en) 1971-06-16
NL7100422A (en) 1971-07-16
ES194987Y (en) 1975-06-01
US3692143A (en) 1972-09-19
CH514064A (en) 1971-10-15
DE2001416A1 (en) 1971-07-22
DE2001416C3 (en) 1979-02-08
DE2001416B2 (en) 1975-10-23
IT943552B (en) 1973-04-10
GB1293301A (en) 1972-10-18
FR2075495A5 (en) 1971-10-08
ES194987U (en) 1975-01-16

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: KUMMERLIN