CA3147796A1 - Echelle polyvalente et methode - Google Patents

Echelle polyvalente et methode

Info

Publication number
CA3147796A1
CA3147796A1 CA3147796A CA3147796A CA3147796A1 CA 3147796 A1 CA3147796 A1 CA 3147796A1 CA 3147796 A CA3147796 A CA 3147796A CA 3147796 A CA3147796 A CA 3147796A CA 3147796 A1 CA3147796 A1 CA 3147796A1
Authority
CA
Canada
Prior art keywords
rail
right rail
ladder
attached
hinge
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.)
Pending
Application number
CA3147796A
Other languages
English (en)
Inventor
Tek LENTINE
Thomas Parker
Clint BADOWSKI
James Hlebovy
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.)
Werner Co
Original Assignee
Werner Co
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 US16/412,014 external-priority patent/US11851949B2/en
Application filed by Werner Co filed Critical Werner Co
Publication of CA3147796A1 publication Critical patent/CA3147796A1/fr
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/14Ladders capable of standing by themselves
    • E06C1/16Ladders capable of standing by themselves with hinged struts which rest on the ground
    • E06C1/20Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
    • E06C1/22Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles with extensible, e.g. telescopic, ladder parts or struts
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/32Ladders with a strut which is formed as a ladder and can be secured in line with the ladder
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/14Ladders capable of standing by themselves
    • E06C1/16Ladders capable of standing by themselves with hinged struts which rest on the ground
    • E06C1/18Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/08Special construction of longitudinal members, or rungs or other treads
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/08Special construction of longitudinal members, or rungs or other treads
    • E06C7/081Rungs or other treads comprising anti-slip features
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/08Special construction of longitudinal members, or rungs or other treads
    • E06C7/082Connections between rungs or treads and longitudinal members
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/08Special construction of longitudinal members, or rungs or other treads
    • E06C7/082Connections between rungs or treads and longitudinal members
    • E06C7/084Rungs comprising projecting tabs or flanges
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/10Reinforcements for ladders
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/42Ladder feet; Supports therefor
    • E06C7/423Ladder stabilising struts
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/42Ladder feet; Supports therefor
    • E06C7/46Non-skid equipment
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/50Joints or other connecting parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
CA3147796A 2018-05-29 2019-05-24 Echelle polyvalente et methode Pending CA3147796A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862677443P 2018-05-29 2018-05-29
US62/677,443 2018-05-29
US16/412,014 US11851949B2 (en) 2018-01-30 2019-05-14 Multipurpose ladder and method
US16/412,014 2019-05-14
CA3044208A CA3044208C (fr) 2018-05-29 2019-05-24 Echelle multiusage et methode

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3044208A Division CA3044208C (fr) 2018-05-29 2019-05-24 Echelle multiusage et methode

Publications (1)

Publication Number Publication Date
CA3147796A1 true CA3147796A1 (fr) 2019-11-29

Family

ID=66647317

Family Applications (2)

Application Number Title Priority Date Filing Date
CA3147796A Pending CA3147796A1 (fr) 2018-05-29 2019-05-24 Echelle polyvalente et methode
CA3044208A Active CA3044208C (fr) 2018-05-29 2019-05-24 Echelle multiusage et methode

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA3044208A Active CA3044208C (fr) 2018-05-29 2019-05-24 Echelle multiusage et methode

Country Status (5)

Country Link
EP (1) EP3575542B1 (fr)
CN (1) CN110541669A (fr)
AU (3) AU2019203616A1 (fr)
CA (2) CA3147796A1 (fr)
MX (1) MX2019006070A (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2645438C2 (de) * 1976-10-08 1985-06-05 Nikolaus Adalbert 7730 Villingen-Schwenningen Kümmerlin Längenveränderbare Leiter
US4182431A (en) * 1978-03-13 1980-01-08 Little Giant Industries Inc. Combination extension and step ladder rungs therefor
US4697305A (en) * 1985-02-14 1987-10-06 Harold R. Wing Release mechanism for locking hinge for multi-positioned ladder
KR200453293Y1 (ko) * 2009-03-05 2011-04-20 정춘업 높이 조절 사다리
KR20110047913A (ko) * 2009-10-31 2011-05-09 박종호 사다리의 프레임 보강구조
US9309718B1 (en) * 2010-08-05 2016-04-12 Martin Sinclair Matthew Stable stepladder with utility tray
US9797194B2 (en) * 2013-09-06 2017-10-24 Wing Enterprises, Incorporated Adjustable ladders, ladder components and related methods
CN103233675B (zh) * 2013-05-09 2015-02-18 苏州飞华铝制工业有限公司 一种梯式作业台

Also Published As

Publication number Publication date
AU2023200871A1 (en) 2023-03-16
AU2023200871B2 (en) 2024-07-11
AU2019203616A1 (en) 2019-12-19
MX2019006070A (es) 2019-12-02
CA3044208C (fr) 2022-04-26
AU2021202034B2 (en) 2022-12-08
CA3044208A1 (fr) 2019-11-29
CN110541669A (zh) 2019-12-06
EP3575542A1 (fr) 2019-12-04
NZ753817A (en) 2020-10-30
EP3575542B1 (fr) 2023-12-20
AU2021202034A1 (en) 2021-04-29

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