EP3666627A4 - Construction machinery - Google Patents

Construction machinery Download PDF

Info

Publication number: EP3666627A4
Authority: EP; European Patent Office
Prior art keywords: construction machinery; machinery; construction
Prior art date: 2017-10-31
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP18874218.3A

Other languages

German (de)

French (fr)

Other versions

EP3666627A1 (en

Inventor

Daisuke Yamamoto

Kenichiro Nakatani

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 Tierra Co Ltd

Original Assignee

Hitachi Construction Machinery Tierra 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.)

2017-10-31

Filing date

2018-10-26

Publication date

2021-06-30

2018-10-26 Application filed by Hitachi Construction Machinery Tierra Co Ltd filed Critical Hitachi Construction Machinery Tierra Co Ltd

2020-06-17 Publication of EP3666627A1 publication Critical patent/EP3666627A1/en

2021-06-30 Publication of EP3666627A4 publication Critical patent/EP3666627A4/en

Status Withdrawn legal-status Critical Current

Links

238000010276 construction Methods 0.000 title 1

Classifications

- 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
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
- E02F9/128—Braking systems
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
- B66C23/94—Safety gear for limiting slewing movements
- 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
- E02F9/2025—Particular purposes of control systems not otherwise provided for
- E02F9/2033—Limiting the movement of frames or implements, e.g. to avoid collision between implements and the cabin
- 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
- E02F9/26—Indicating devices
- E02F9/264—Sensors and their calibration for indicating the position of the work tool

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)
Jib Cranes (AREA)

EP18874218.3A 2017-10-31 2018-10-26 Construction machinery Withdrawn EP3666627A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2017210552A JP6851954B2 (en)	2017-10-31	2017-10-31	Construction machinery
PCT/JP2018/039885 WO2019087962A1 (en)	2017-10-31	2018-10-26	Construction machinery

Publications (2)

Publication Number	Publication Date
EP3666627A1 EP3666627A1 (en)	2020-06-17
EP3666627A4 true EP3666627A4 (en)	2021-06-30

Family

ID=66331861

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18874218.3A Withdrawn EP3666627A4 (en)	2017-10-31	2018-10-26	Construction machinery

Country Status (3)

Country	Link
EP (1)	EP3666627A4 (en)
JP (1)	JP6851954B2 (en)
WO (1)	WO2019087962A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112922071B (en) *	2021-01-28	2022-09-09	三一重机有限公司	A slewing mechanism limit system and working machine
CN116039579A (en) *	2023-01-31	2023-05-02	三一重机有限公司	Front and rear orientation adjustment system and operating machinery
CN117344821A (en) *	2023-10-30	2024-01-05	徐工集团工程机械股份有限公司科技分公司	An automatic reset and anti-collision device and method for loaders
JP2025167884A (en) *	2024-04-26	2025-11-07	ヤンマーホールディングス株式会社	Work machinery

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH02152896A (en) *	1988-12-06	1990-06-12	Hitachi Constr Mach Co Ltd	Turn limit device
JP2007055810A (en) *	2005-08-26	2007-03-08	Kobelco Contstruction Machinery Ltd	Track working vehicle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4943792Y1 (en) *	1971-09-22	1974-11-30
JPH06102519B2 (en) *	1985-02-05	1994-12-14	株式会社タダノ	Turning stop control device for work vehicle
JPS61141085U (en) *	1985-02-19	1986-09-01
JPS61154506U (en) *	1985-03-15	1986-09-25

2017
- 2017-10-31 JP JP2017210552A patent/JP6851954B2/en active Active
2018
- 2018-10-26 WO PCT/JP2018/039885 patent/WO2019087962A1/en not_active Ceased
- 2018-10-26 EP EP18874218.3A patent/EP3666627A4/en not_active Withdrawn

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH02152896A (en) *	1988-12-06	1990-06-12	Hitachi Constr Mach Co Ltd	Turn limit device
JP2007055810A (en) *	2005-08-26	2007-03-08	Kobelco Contstruction Machinery Ltd	Track working vehicle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019087962A1 *

Also Published As

Publication number	Publication date
JP6851954B2 (en)	2021-03-31
WO2019087962A1 (en)	2019-05-09
EP3666627A1 (en)	2020-06-17
JP2019082061A (en)	2019-05-30

Legal Events

Date	Code	Title	Description
2019-05-11	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2020-05-15	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
2020-05-15	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2020-06-17	17P	Request for examination filed	Effective date: 20200309
2020-06-17	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
2020-06-17	AX	Request for extension of the european patent	Extension state: BA ME
2021-02-17	DAV	Request for validation of the european patent (deleted)
2021-02-17	DAX	Request for extension of the european patent (deleted)
2021-06-30	A4	Supplementary search report drawn up and despatched	Effective date: 20210601
2021-06-30	RIC1	Information provided on ipc code assigned before grant	Ipc: B62D 21/18 20060101AFI20210526BHEP Ipc: B66C 23/94 20060101ALI20210526BHEP Ipc: E02F 9/20 20060101ALI20210526BHEP Ipc: E02F 9/26 20060101ALI20210526BHEP Ipc: E02F 9/12 20060101ALI20210526BHEP
2023-01-03	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2023-01-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: GRANT OF PATENT IS INTENDED
2023-01-25	INTG	Intention to grant announced	Effective date: 20230104
2023-09-22	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2023-10-25	18D	Application deemed to be withdrawn	Effective date: 20230516

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