AU2019203616A1 - Multipurpose Ladder and Method - Google Patents

Multipurpose Ladder and Method Download PDF

Info

Publication number
AU2019203616A1
AU2019203616A1 AU2019203616A AU2019203616A AU2019203616A1 AU 2019203616 A1 AU2019203616 A1 AU 2019203616A1 AU 2019203616 A AU2019203616 A AU 2019203616A AU 2019203616 A AU2019203616 A AU 2019203616A AU 2019203616 A1 AU2019203616 A1 AU 2019203616A1
Authority
AU
Australia
Prior art keywords
right rail
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.)
Abandoned
Application number
AU2019203616A
Other languages
English (en)
Inventor
Clint BADOWSKI
James Hlebovy
Tek LENTINE
Thomas Parker
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 AU2019203616A1 publication Critical patent/AU2019203616A1/en
Priority to AU2021202034A priority Critical patent/AU2021202034B2/en
Priority to AU2023200871A priority patent/AU2023200871B2/en
Priority to AU2024219910A priority patent/AU2024219910A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • E06C1/14—Ladders capable of standing by themselves
    • E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
    • E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
    • E06C1/22—Ladders 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
    • 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
    • E06C1/14—Ladders capable of standing by themselves
    • E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
    • E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
    • 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
    • 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
    • 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
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • E06C7/082—Connections between rungs or treads and longitudinal members
    • 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
    • E06C7/082—Connections between rungs or treads and longitudinal members
    • E06C7/084—Rungs comprising projecting tabs or flanges
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/10—Reinforcements for ladders
    • 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
    • E06C7/423—Ladder stabilising struts
    • 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
    • E06C7/46—Non-skid equipment
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/50—Joints or other connecting parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
AU2019203616A 2018-05-29 2019-05-23 Multipurpose Ladder and Method Abandoned AU2019203616A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2021202034A AU2021202034B2 (en) 2018-05-29 2021-04-01 Multipurpose Ladder and Method
AU2023200871A AU2023200871B2 (en) 2018-05-29 2023-02-16 Multipurpose Ladder and Method
AU2024219910A AU2024219910A1 (en) 2018-05-29 2024-09-20 Multipurpose Ladder and Method

Applications Claiming Priority (4)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2021202034A Division AU2021202034B2 (en) 2018-05-29 2021-04-01 Multipurpose Ladder and Method

Publications (1)

Publication Number Publication Date
AU2019203616A1 true AU2019203616A1 (en) 2019-12-19

Family

ID=66647317

Family Applications (4)

Application Number Title Priority Date Filing Date
AU2019203616A Abandoned AU2019203616A1 (en) 2018-05-29 2019-05-23 Multipurpose Ladder and Method
AU2021202034A Active AU2021202034B2 (en) 2018-05-29 2021-04-01 Multipurpose Ladder and Method
AU2023200871A Active AU2023200871B2 (en) 2018-05-29 2023-02-16 Multipurpose Ladder and Method
AU2024219910A Pending AU2024219910A1 (en) 2018-05-29 2024-09-20 Multipurpose Ladder and Method

Family Applications After (3)

Application Number Title Priority Date Filing Date
AU2021202034A Active AU2021202034B2 (en) 2018-05-29 2021-04-01 Multipurpose Ladder and Method
AU2023200871A Active AU2023200871B2 (en) 2018-05-29 2023-02-16 Multipurpose Ladder and Method
AU2024219910A Pending AU2024219910A1 (en) 2018-05-29 2024-09-20 Multipurpose Ladder and Method

Country Status (5)

Country Link
EP (1) EP3575542B1 (fr)
CN (1) CN110541669A (fr)
AU (4) 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
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
WO2015035211A2 (fr) * 2013-09-06 2015-03-12 Wing Enterprises, Incorporated Échelles réglables, composants d'échelle et procédés connexes

Also Published As

Publication number Publication date
AU2024219910A1 (en) 2024-10-10
CN110541669A (zh) 2019-12-06
AU2023200871B2 (en) 2024-07-11
CA3044208C (fr) 2022-04-26
MX2019006070A (es) 2019-12-02
AU2021202034B2 (en) 2022-12-08
CA3044208A1 (fr) 2019-11-29
AU2023200871A1 (en) 2023-03-16
NZ753817A (en) 2020-10-30
EP3575542A1 (fr) 2019-12-04
CA3147796A1 (fr) 2019-11-29
EP3575542B1 (fr) 2023-12-20
AU2021202034A1 (en) 2021-04-29

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Legal Events

Date Code Title Description
MK5 Application lapsed section 142(2)(e) - patent request and compl. specification not accepted