EP3725953A4 - Quick coupler connection system for construction machine - Google Patents

Quick coupler connection system for construction machine Download PDF

Info

Publication number
EP3725953A4
EP3725953A4 EP18887627.0A EP18887627A EP3725953A4 EP 3725953 A4 EP3725953 A4 EP 3725953A4 EP 18887627 A EP18887627 A EP 18887627A EP 3725953 A4 EP3725953 A4 EP 3725953A4
Authority
EP
European Patent Office
Prior art keywords
construction machine
connection system
quick coupler
coupler connection
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.)
Granted
Application number
EP18887627.0A
Other languages
German (de)
French (fr)
Other versions
EP3725953A1 (en
EP3725953B1 (en
Inventor
Ho Chul Kim
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.)
Daemo Engineering Co Ltd
Original Assignee
Daemo Engineering Co Ltd
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 Daemo Engineering Co Ltd filed Critical Daemo Engineering Co Ltd
Publication of EP3725953A1 publication Critical patent/EP3725953A1/en
Publication of EP3725953A4 publication Critical patent/EP3725953A4/en
Application granted granted Critical
Publication of EP3725953B1 publication Critical patent/EP3725953B1/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
    • 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
    • E02F3/3618—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with two separating hooks
    • 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
    • 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
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/965—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements
EP18887627.0A 2017-12-15 2018-09-12 Quick coupler connection system for construction machine Active EP3725953B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170173065A KR101870713B1 (en) 2017-12-15 2017-12-15 Conneting structure of quick coupler for construction machine
PCT/KR2018/010662 WO2019117431A1 (en) 2017-12-15 2018-09-12 Quick coupler connection system for construction machine

Publications (3)

Publication Number Publication Date
EP3725953A1 EP3725953A1 (en) 2020-10-21
EP3725953A4 true EP3725953A4 (en) 2021-08-18
EP3725953B1 EP3725953B1 (en) 2023-06-07

Family

ID=63250366

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18887627.0A Active EP3725953B1 (en) 2017-12-15 2018-09-12 Quick coupler connection system for construction machine

Country Status (4)

Country Link
EP (1) EP3725953B1 (en)
KR (1) KR101870713B1 (en)
IL (1) IL274644B2 (en)
WO (1) WO2019117431A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102226954B1 (en) * 2020-09-18 2021-03-11 유제록 Automatic hydraulic connections for heavy equipment or industrial machinery and work unit automatic connections

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09203221A (en) * 1996-01-29 1997-08-05 Sakato Kosakusho:Kk Crusher
US20070189846A1 (en) * 2006-02-01 2007-08-16 Cocayne Michael J Pad-eye pin and retainer
KR101425075B1 (en) * 2013-07-10 2014-08-04 대모 엔지니어링 주식회사 Attachment quick change construction for heavy equipment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4247222B2 (en) * 2005-09-20 2009-04-02 ヤンマー株式会社 Excavator fixing structure of tractor loader backhoe
KR20080098836A (en) * 2007-05-07 2008-11-12 주식회사 에버다임 Multipurpose attachment combine device for heavy industrial equipment
JP4928348B2 (en) * 2007-05-14 2012-05-09 日本車輌製造株式会社 Connecting shaft fixing structure
CA2590464A1 (en) * 2007-05-30 2008-11-30 Brandt Industries Ltd. Quick coupling mechanism for tool attachment
KR101043036B1 (en) 2009-05-19 2011-06-21 주식회사 에버다임 Attachment coupler for heavy machinery, ensuring a complete coupling with the attachment
KR101254193B1 (en) * 2011-05-02 2013-04-18 대모 엔지니어링 주식회사 Attachment quick change construction for heavy equipment
KR101378570B1 (en) * 2012-04-26 2014-03-28 대모 엔지니어링 주식회사 Attachment quick changer for backhoe
KR101806958B1 (en) * 2017-09-25 2017-12-08 성보공업주식회사 A bucket tooth of excavator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09203221A (en) * 1996-01-29 1997-08-05 Sakato Kosakusho:Kk Crusher
US20070189846A1 (en) * 2006-02-01 2007-08-16 Cocayne Michael J Pad-eye pin and retainer
KR101425075B1 (en) * 2013-07-10 2014-08-04 대모 엔지니어링 주식회사 Attachment quick change construction for heavy equipment

Also Published As

Publication number Publication date
EP3725953A1 (en) 2020-10-21
IL274644B2 (en) 2024-03-01
IL274644B1 (en) 2023-11-01
EP3725953B1 (en) 2023-06-07
IL274644A (en) 2020-06-30
KR101870713B1 (en) 2018-08-03
WO2019117431A1 (en) 2019-06-20

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