CA3147796A1 - Echelle polyvalente et methode - Google Patents
Echelle polyvalente et methodeInfo
- 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
Links
- 238000000034 method Methods 0.000 title abstract description 16
- 238000005452 bending Methods 0.000 claims abstract description 10
- 125000006850 spacer group Chemical group 0.000 claims description 33
- 238000012360 testing method Methods 0.000 claims description 23
- 230000002787 reinforcement Effects 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000001154 acute effect Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 8
- 210000003127 knee Anatomy 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- E06C1/32—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
- 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
- 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)
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)
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 |
-
2019
- 2019-05-23 AU AU2019203616A patent/AU2019203616A1/en not_active Abandoned
- 2019-05-24 CA CA3147796A patent/CA3147796A1/fr active Pending
- 2019-05-24 MX MX2019006070A patent/MX2019006070A/es unknown
- 2019-05-24 CA CA3044208A patent/CA3044208C/fr active Active
- 2019-05-24 EP EP19176553.6A patent/EP3575542B1/fr active Active
- 2019-05-29 CN CN201910456038.2A patent/CN110541669A/zh active Pending
-
2021
- 2021-04-01 AU AU2021202034A patent/AU2021202034B2/en active Active
-
2023
- 2023-02-16 AU AU2023200871A patent/AU2023200871B2/en active Active
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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US11851949B2 (en) | Multipurpose ladder and method | |
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EP3610120B1 (fr) | Échelle incorporant des cales et procédé associé | |
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US20050274571A1 (en) | Convertible fiberglass ladder | |
CN110891461B (zh) | 梯子铰链和结合有梯子铰链的梯子 | |
FI3765685T3 (fi) | Rakennustelineen portaikko käsittäen porrastuet | |
CA1237402A (fr) | Echelle | |
CA3044208C (fr) | Echelle multiusage et methode | |
US20060032708A1 (en) | Collapsible ladder | |
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CA2418581C (fr) | Echelle transformable |
Legal Events
Date | Code | Title | Description |
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EEER | Examination request |
Effective date: 20220204 |
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EEER | Examination request |
Effective date: 20220204 |
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EEER | Examination request |
Effective date: 20220204 |
|
EEER | Examination request |
Effective date: 20220204 |
|
EEER | Examination request |
Effective date: 20220204 |
|
EEER | Examination request |
Effective date: 20220204 |
|
EEER | Examination request |
Effective date: 20220204 |
|
EEER | Examination request |
Effective date: 20220204 |
|
EEER | Examination request |
Effective date: 20220204 |