EP3712334A4 - Work machine - Google Patents

Work machine Download PDF

Info

Publication number: EP3712334A4
Authority: EP; European Patent Office
Prior art keywords: work machine; work; machine
Prior art date: 2018-06-27
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP19826987.0A

Other languages

German (de)

French (fr)

Other versions

EP3712334A1 (en

Inventor

Kaoru Yasuda

Hideaki Ogiwara

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.)

Komatsu Ltd

Original Assignee

Komatsu 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.)

2018-06-27

Filing date

2019-01-31

Publication date

2021-08-25

2019-01-31 Application filed by Komatsu Ltd filed Critical Komatsu Ltd

2020-09-23 Publication of EP3712334A1 publication Critical patent/EP3712334A1/en

2021-08-25 Publication of EP3712334A4 publication Critical patent/EP3712334A4/en

Status Withdrawn legal-status Critical Current

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
- E02F3/34—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 with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
- E02F3/3405—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 with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism
- E02F3/3408—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 with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism of the parallelogram-type
- 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
- E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/308—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom working outwardly
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0841—Articulated frame, i.e. having at least one pivot point between two travelling gear units

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Civil Engineering (AREA)
General Engineering & Computer Science (AREA)
Structural Engineering (AREA)
Mechanical Engineering (AREA)
Operation Control Of Excavators (AREA)
Shovels (AREA)

EP19826987.0A 2018-06-27 2019-01-31 Work machine Withdrawn EP3712334A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2018122416A JP7110008B2 (en)	2018-06-27	2018-06-27	working machine
PCT/JP2019/003474 WO2020003577A1 (en)	2018-06-27	2019-01-31	Work machine

Publications (2)

Publication Number	Publication Date
EP3712334A1 EP3712334A1 (en)	2020-09-23
EP3712334A4 true EP3712334A4 (en)	2021-08-25

Family

ID=68984813

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19826987.0A Withdrawn EP3712334A4 (en)	2018-06-27	2019-01-31	Work machine

Country Status (3)

Country	Link
EP (1)	EP3712334A4 (en)
JP (1)	JP7110008B2 (en)
WO (1)	WO2020003577A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2532671A1 (en) *	1982-09-08	1984-03-09	Pingon Pierre De	Articulated combined loader and excavator jib
WO1988001662A1 (en) *	1986-08-29	1988-03-10	Kabushiki Kaisha Komatsu Seisakusho	Shovel loader
JP2001020310A (en) *	1999-07-12	2001-01-23	Tcm Corp	Boom device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS50848B1 (en) *	1970-07-15	1975-01-13
JPH09316911A (en) *	1996-05-30	1997-12-09	Komatsu Ltd	Hydraulic excavator work equipment
JPH10121505A (en) *	1996-10-15	1998-05-12	Komatsu Ltd	Hydraulic excavator working machine
JP4956008B2 (en)	2006-01-13	2012-06-20	株式会社小松製作所	Work machine
JP4606365B2 (en) *	2006-03-29	2011-01-05	株式会社クボタ	loader
JP2008231671A (en) *	2007-03-16	2008-10-02	Caterpillar Japan Ltd	Working machine
US20140317967A1 (en) *	2013-04-24	2014-10-30	Caterpillar Inc.	Excavator with Expanded Work Implement Compatibility

2018
- 2018-06-27 JP JP2018122416A patent/JP7110008B2/en active Active
2019
- 2019-01-31 EP EP19826987.0A patent/EP3712334A4/en not_active Withdrawn
- 2019-01-31 WO PCT/JP2019/003474 patent/WO2020003577A1/en not_active Ceased

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2532671A1 (en) *	1982-09-08	1984-03-09	Pingon Pierre De	Articulated combined loader and excavator jib
WO1988001662A1 (en) *	1986-08-29	1988-03-10	Kabushiki Kaisha Komatsu Seisakusho	Shovel loader
JP2001020310A (en) *	1999-07-12	2001-01-23	Tcm Corp	Boom device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020003577A1 *

Also Published As

Publication number	Publication date
WO2020003577A1 (en)	2020-01-02
JP2020002606A (en)	2020-01-09
JP7110008B2 (en)	2022-08-01
EP3712334A1 (en)	2020-09-23

Legal Events

Date	Code	Title	Description
2020-01-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2020-08-21	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2020-08-21	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2020-09-23	17P	Request for examination filed	Effective date: 20200618
2020-09-23	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2020-09-23	AX	Request for extension of the european patent	Extension state: BA ME
2021-08-25	A4	Supplementary search report drawn up and despatched	Effective date: 20210722
2021-08-25	RIC1	Information provided on ipc code assigned before grant	Ipc: E02F 3/34 20060101AFI20210716BHEP Ipc: E02F 3/30 20060101ALI20210716BHEP Ipc: B60P 1/04 20060101ALI20210716BHEP Ipc: E02F 9/08 20060101ALI20210716BHEP
2021-10-06	DAV	Request for validation of the european patent (deleted)
2021-10-06	DAX	Request for extension of the european patent (deleted)
2023-02-10	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2023-03-15	17Q	First examination report despatched	Effective date: 20230213
2023-06-16	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2023-07-19	18W	Application withdrawn	Effective date: 20230613

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