EP3249106A4 - Quick coupler having improved safety - Google Patents

Quick coupler having improved safety Download PDF

Info

Publication number
EP3249106A4
EP3249106A4 EP16740382.3A EP16740382A EP3249106A4 EP 3249106 A4 EP3249106 A4 EP 3249106A4 EP 16740382 A EP16740382 A EP 16740382A EP 3249106 A4 EP3249106 A4 EP 3249106A4
Authority
EP
European Patent Office
Prior art keywords
improved safety
quick coupler
coupler
quick
safety
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
EP16740382.3A
Other languages
German (de)
French (fr)
Other versions
EP3249106B1 (en
EP3249106A1 (en
Inventor
Yong-Tae IM
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3249106A1 publication Critical patent/EP3249106A1/en
Publication of EP3249106A4 publication Critical patent/EP3249106A4/en
Application granted granted Critical
Publication of EP3249106B1 publication Critical patent/EP3249106B1/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
    • E02F3/3622—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 locking element acting on a pin
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
EP16740382.3A 2015-01-19 2016-01-19 Quick coupler having improved safety Active EP3249106B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20150008498 2015-01-19
PCT/KR2016/000553 WO2016117909A1 (en) 2015-01-19 2016-01-19 Quick coupler having improved safety

Publications (3)

Publication Number Publication Date
EP3249106A1 EP3249106A1 (en) 2017-11-29
EP3249106A4 true EP3249106A4 (en) 2018-10-17
EP3249106B1 EP3249106B1 (en) 2023-12-20

Family

ID=56417373

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16740382.3A Active EP3249106B1 (en) 2015-01-19 2016-01-19 Quick coupler having improved safety

Country Status (4)

Country Link
EP (1) EP3249106B1 (en)
KR (1) KR101789909B1 (en)
AU (1) AU2016209781B2 (en)
WO (1) WO2016117909A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106013309B (en) * 2016-07-18 2018-08-14 瑞格尔特（厦门）叉车属具有限公司 Excavator Quick Connect Kit
KR101960430B1 (en) * 2018-05-14 2019-03-20 주식회사 제이케이 Quick couple
KR102105629B1 (en) * 2018-05-28 2020-05-26 강토중공업 (주) Quick Coupler
GB2576131B (en) * 2018-06-25 2023-01-18 Miller Uk Ltd Coupler
CN110453742A (en) * 2019-08-16 2019-11-15 徐工集团工程机械有限公司 A kind of full-automatic fast replacing device of hydraulic crawler excavator
KR102213444B1 (en) * 2020-12-07 2021-02-05 손태진 Link for excavator with fall prevention means of attachment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2473942A (en) * 2009-09-22 2011-03-30 Ian Hill Hydraulic coupler with attachment pin retention system
WO2014072709A1 (en) * 2012-11-08 2014-05-15 Miller International Ltd. Excavator coupler with a front latch, and a boom sensor arrangement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200355987Y1 (en) * 2004-03-25 2004-07-12 주식회사수산중공업 A Connecting Device of Excavator Attachment
JP5237561B2 (en) * 2007-01-16 2013-07-17 株式会社室戸鉄工所 Attachment coupler
KR100927044B1 (en) * 2007-01-23 2009-11-17 주식회사 에버다임 Attachment coupler for heavy machinery having a safety pin coupling structure capable of being adapted to a change of the distance between the attachment pins
KR101021926B1 (en) * 2008-11-12 2011-03-17 주식회사 에버다임 Attachment coupler for heavy industrial equipment
KR101499298B1 (en) * 2012-10-10 2015-03-18 임용태 Quick coupler having the advanced accident protection structure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2473942A (en) * 2009-09-22 2011-03-30 Ian Hill Hydraulic coupler with attachment pin retention system
WO2014072709A1 (en) * 2012-11-08 2014-05-15 Miller International Ltd. Excavator coupler with a front latch, and a boom sensor arrangement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016117909A1 *

Also Published As

Publication number Publication date
EP3249106B1 (en) 2023-12-20
KR20160089294A (en) 2016-07-27
WO2016117909A1 (en) 2016-07-28
AU2016209781B2 (en) 2020-06-18
AU2016209781A1 (en) 2017-08-10
KR101789909B1 (en) 2017-11-20
EP3249106A1 (en) 2017-11-29

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