EP1561867A3 - système de sécurité pour le bras chargeur frontal d'un engin de travaux publics pour lever et tenir une charge - Google Patents

système de sécurité pour le bras chargeur frontal d'un engin de travaux publics pour lever et tenir une charge Download PDF

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Publication number
EP1561867A3
EP1561867A3 EP05002110A EP05002110A EP1561867A3 EP 1561867 A3 EP1561867 A3 EP 1561867A3 EP 05002110 A EP05002110 A EP 05002110A EP 05002110 A EP05002110 A EP 05002110A EP 1561867 A3 EP1561867 A3 EP 1561867A3
Authority
EP
European Patent Office
Prior art keywords
valve
load lifting
front loader
controlling
work machine
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.)
Withdrawn
Application number
EP05002110A
Other languages
German (de)
English (en)
Other versions
EP1561867A2 (fr
Inventor
Giorgio Bedogni
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.)
OLEOSTAR SpA
Original Assignee
OLEOSTAR SpA
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 OLEOSTAR SpA filed Critical OLEOSTAR SpA
Publication of EP1561867A2 publication Critical patent/EP1561867A2/fr
Publication of EP1561867A3 publication Critical patent/EP1561867A3/fr
Withdrawn legal-status Critical Current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
    • 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
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating

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)
  • Lifting Devices For Agricultural Implements (AREA)
EP05002110A 2004-02-06 2005-02-02 système de sécurité pour le bras chargeur frontal d'un engin de travaux publics pour lever et tenir une charge Withdrawn EP1561867A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPR20040007 ITPR20040007A1 (it) 2004-02-06 2004-02-06 Sistema di sicurezza in apparati idraulici di comando di caricatori frontali di macchine operatrici durante le fasi di sollevamento e di stazionamento del carico.
ITPR20040007 2004-02-06

Publications (2)

Publication Number Publication Date
EP1561867A2 EP1561867A2 (fr) 2005-08-10
EP1561867A3 true EP1561867A3 (fr) 2005-10-26

Family

ID=34674582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05002110A Withdrawn EP1561867A3 (fr) 2004-02-06 2005-02-02 système de sécurité pour le bras chargeur frontal d'un engin de travaux publics pour lever et tenir une charge

Country Status (2)

Country Link
EP (1) EP1561867A3 (fr)
IT (1) ITPR20040007A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9340956B2 (en) * 2012-10-11 2016-05-17 Cnh Industrial America Llc Boom lock system for work machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059236A (ja) * 1983-09-09 1985-04-05 Kubota Ltd フロントロ−ダのフロ−テイング自動遮断装置
US4522109A (en) * 1983-11-21 1985-06-11 J. I. Case Company Leak-detecting hydraulic system
EP0404271A1 (fr) * 1989-06-22 1990-12-27 Johannes Nijhuis Système de sécurité pour empêcher la rupture d'un tuyau flexible
US20040006980A1 (en) * 2002-06-22 2004-01-15 Deere & Company, A Delaware Corporation Hydraulic control arrangement for a mobile operating machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059236A (ja) * 1983-09-09 1985-04-05 Kubota Ltd フロントロ−ダのフロ−テイング自動遮断装置
US4522109A (en) * 1983-11-21 1985-06-11 J. I. Case Company Leak-detecting hydraulic system
EP0404271A1 (fr) * 1989-06-22 1990-12-27 Johannes Nijhuis Système de sécurité pour empêcher la rupture d'un tuyau flexible
US20040006980A1 (en) * 2002-06-22 2004-01-15 Deere & Company, A Delaware Corporation Hydraulic control arrangement for a mobile operating machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 194 (M - 403) 10 August 1985 (1985-08-10) *

Also Published As

Publication number Publication date
ITPR20040007A1 (it) 2004-05-06
EP1561867A2 (fr) 2005-08-10

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