EP0790356A4 - Controller for excavators - Google Patents

Controller for excavators

Info

Publication number: EP0790356A4
Authority: EP; European Patent Office
Prior art keywords: excavators; controller
Prior art date: 1995-08-31
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

EP96928698A

Other languages

German (de)

French (fr)

Other versions

EP0790356A1 (en

EP0790356B1 (en

Inventor

Kouji Funato

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.)

Hitachi Construction Machinery Co Ltd

Original Assignee

Hitachi Construction Machinery 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.)

1995-08-31

Filing date

1996-08-30

Publication date

1999-12-22

1996-08-30 Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd

1997-08-20 Publication of EP0790356A1 publication Critical patent/EP0790356A1/en

1999-12-22 Publication of EP0790356A4 publication Critical patent/EP0790356A4/en

2002-06-12 Application granted granted Critical

2002-06-12 Publication of EP0790356B1 publication Critical patent/EP0790356B1/en

2016-08-30 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
- 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
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
- E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
- 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
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/22—Component parts
- E02F3/26—Safety or control devices
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Civil Engineering (AREA)
General Engineering & Computer Science (AREA)
Structural Engineering (AREA)
Mechanical Engineering (AREA)
Earth Drilling (AREA)

EP96928698A 1995-08-31 1996-08-30 Controller for excavators Expired - Lifetime EP0790356B1 (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP7223713A JP3068772B2 (en)	1995-08-31	1995-08-31	Drilling rig control device
JP223713/95		1995-08-31
JP22371395		1995-08-31
PCT/JP1996/002431 WO1997008395A1 (en)	1995-08-31	1996-08-30	Controller for excavators

Publications (3)

Publication Number	Publication Date
EP0790356A1 EP0790356A1 (en)	1997-08-20
EP0790356A4 true EP0790356A4 (en)	1999-12-22
EP0790356B1 EP0790356B1 (en)	2002-06-12

Family

ID=16802508

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP96928698A Expired - Lifetime EP0790356B1 (en)	1995-08-31	1996-08-30	Controller for excavators

Country Status (6)

Country	Link
EP (1)	EP0790356B1 (en)
JP (1)	JP3068772B2 (en)
KR (1)	KR100439892B1 (en)
CN (1)	CN1070973C (en)
DE (1)	DE69621767T2 (en)
WO (1)	WO1997008395A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4527860B2 (en) *	2000-08-30	2010-08-18	株式会社タダノ	Speed control method and apparatus for hydraulic winch of crane
DE10116342C2 (en) *	2001-04-02	2003-02-27	Bauer Maschinen Gmbh	winch
DE10256923B4 (en) *	2002-12-05	2013-10-24	Liebherr-France S.A.	Method and device for motion damping of hydraulic cylinders of mobile machines
CN102153027B (en) *	2011-04-12	2013-01-30	武汉船用机械有限责任公司	Stepless regulation constant tension device for hydraulic winch
ITTO20110834A1 (en) *	2011-09-20	2013-03-21	Soilmec Spa	CONTROL SYSTEM FOR AN EXCAVATION AND / OR DRILLING MACHINE AND EXCAVATION MACHINE AND / OR PERFORATION INCLUDING SUCH SYSTEM.
EP2924174B1 (en) *	2014-03-24	2018-12-26	Soilmec S.p.A.	Digging equipment with relative improved hydraulic system
CN110593336A (en) *	2019-08-28	2019-12-20	上海中联重科桩工机械有限公司	Method, device and system for controlling engineering machinery tunneling and engineering machinery
EP3819434B1 (en) *	2019-11-06	2022-02-16	BAUER Maschinen GmbH	Method and wall milling device for creating a milled slot in the ground
WO2023192958A2 (en) *	2022-03-30	2023-10-05	Vermeer Manufacturing Company	Systems and methods for operating excavation machines

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4119210C1 (en) *	1991-06-11	1993-01-21	Bauer Spezialtiefbau Gmbh, 8898 Schrobenhausen, De
JPH0726414B2 (en) *	1991-07-31	1995-03-22	株式会社神戸製鋼所	Excavator speed control device
JPH083434Y2 (en) *	1991-10-17	1996-01-31	住友建機株式会社	Load drop prevention device for hoisting device
JP3080216B2 (en) *	1996-11-14	2000-08-21	藤川金属株式会社	Vending machine crushing / separation processing equipment
JP7086243B2 (en) *	2021-03-01	2022-06-17	能美防災株式会社	Display control device

1995
- 1995-08-31 JP JP7223713A patent/JP3068772B2/en not_active Expired - Fee Related
1996
- 1996-08-30 DE DE69621767T patent/DE69621767T2/en not_active Expired - Fee Related
- 1996-08-30 EP EP96928698A patent/EP0790356B1/en not_active Expired - Lifetime
- 1996-08-30 WO PCT/JP1996/002431 patent/WO1997008395A1/en active IP Right Grant
- 1996-08-30 CN CN96191257A patent/CN1070973C/en not_active Expired - Fee Related
- 1996-08-30 KR KR1019970702685A patent/KR100439892B1/en not_active IP Right Cessation

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO9708395A1 *

Also Published As

Publication number	Publication date
EP0790356A1 (en)	1997-08-20
JPH0967829A (en)	1997-03-11
CN1070973C (en)	2001-09-12
CN1166191A (en)	1997-11-26
JP3068772B2 (en)	2000-07-24
EP0790356B1 (en)	2002-06-12
DE69621767D1 (en)	2002-07-18
WO1997008395A1 (en)	1997-03-06
KR970707352A (en)	1997-12-01
KR100439892B1 (en)	2004-11-03
DE69621767T2 (en)	2003-01-30

Legal Events

Date	Code	Title	Description
1997-07-04	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
1997-08-20	17P	Request for examination filed	Effective date: 19970429
1997-08-20	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): DE FR
1999-12-22	A4	Supplementary search report drawn up and despatched	Effective date: 19991110
1999-12-22	AK	Designated contracting states	Kind code of ref document: A4 Designated state(s): DE FR
2001-08-01	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
2001-09-19	17Q	First examination report despatched	Effective date: 20010807
2001-12-11	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
2001-12-11	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2002-04-08	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2002-04-26	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
2002-06-12	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR
2002-06-12	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20020612
2002-07-18	REF	Corresponds to:	Ref document number: 69621767 Country of ref document: DE Date of ref document: 20020718
2003-01-24	EN	Fr: translation not filed
2003-04-18	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
2003-04-18	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
2003-06-04	26N	No opposition filed	Effective date: 20030313
2006-08-24	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20060824 Year of fee payment: 11
2008-07-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080301

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