EP3943667C0 - Quick coupler - Google Patents

Quick coupler

Info

Publication number
EP3943667C0
EP3943667C0 EP20398007.3A EP20398007A EP3943667C0 EP 3943667 C0 EP3943667 C0 EP 3943667C0 EP 20398007 A EP20398007 A EP 20398007A EP 3943667 C0 EP3943667 C0 EP 3943667C0
Authority
EP
European Patent Office
Prior art keywords
quick coupler
coupler
quick
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.)
Active
Application number
EP20398007.3A
Other languages
German (de)
French (fr)
Other versions
EP3943667B1 (en
EP3943667A1 (en
Inventor
Eliseu Frazão
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.)
Fravizel Equipamentos Metalomecanicos Sa
Fravizel Equipamentos Metalomecanicos Sa
Original Assignee
Fravizel Equipamentos Metalomecanicos Sa
Fravizel Equipamentos Metalomecanicos Sa
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 Fravizel Equipamentos Metalomecanicos Sa, Fravizel Equipamentos Metalomecanicos Sa filed Critical Fravizel Equipamentos Metalomecanicos Sa
Priority to EP20398007.3A priority Critical patent/EP3943667B1/en
Priority to ES20398007T priority patent/ES2955008T3/en
Publication of EP3943667A1 publication Critical patent/EP3943667A1/en
Application granted granted Critical
Publication of EP3943667B1 publication Critical patent/EP3943667B1/en
Publication of EP3943667C0 publication Critical patent/EP3943667C0/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/365—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with redundant latching means, e.g. for safety purposes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3631—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with a hook and a transversal locking element
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3663—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat hydraulically-operated
EP20398007.3A 2020-07-21 2020-07-21 Quick coupler Active EP3943667B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20398007.3A EP3943667B1 (en) 2020-07-21 2020-07-21 Quick coupler
ES20398007T ES2955008T3 (en) 2020-07-21 2020-07-21 quick coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20398007.3A EP3943667B1 (en) 2020-07-21 2020-07-21 Quick coupler

Publications (3)

Publication Number Publication Date
EP3943667A1 EP3943667A1 (en) 2022-01-26
EP3943667B1 EP3943667B1 (en) 2023-07-05
EP3943667C0 true EP3943667C0 (en) 2023-07-05

Family

ID=72322415

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20398007.3A Active EP3943667B1 (en) 2020-07-21 2020-07-21 Quick coupler

Country Status (2)

Country Link
EP (1) EP3943667B1 (en)
ES (1) ES2955008T3 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0816335D0 (en) 2008-09-08 2008-10-15 Hill Ian Coupler with gravity operated safety device
GB2473630B (en) * 2009-09-17 2013-08-07 Gary Miller Fully automatic coupler for excavator arm
GB2509303A (en) * 2012-11-08 2014-07-02 Miller Int Ltd Coupler
KR101777739B1 (en) 2017-04-07 2017-09-12 주식회사 세안정기 Quick coupler for excavator having automatic safety device

Also Published As

Publication number Publication date
ES2955008T3 (en) 2023-11-28
EP3943667B1 (en) 2023-07-05
EP3943667A1 (en) 2022-01-26

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