NL168290B - EXCAVATOR WITH A DEVICE FOR COUPLING A TOOL WITH A LIFTING DEVICE. - Google Patents

EXCAVATOR WITH A DEVICE FOR COUPLING A TOOL WITH A LIFTING DEVICE.

Info

Publication number
NL168290B
NL168290B NL7809689A NL7809689A NL168290B NL 168290 B NL168290 B NL 168290B NL 7809689 A NL7809689 A NL 7809689A NL 7809689 A NL7809689 A NL 7809689A NL 168290 B NL168290 B NL 168290B
Authority
NL
Netherlands
Prior art keywords
excavator
tool
coupling
lifting device
lifting
Prior art date
Application number
NL7809689A
Other languages
Dutch (nl)
Other versions
NL7809689A (en
NL168290C (en
Original Assignee
Roelof Wijnand Laan
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 Roelof Wijnand Laan filed Critical Roelof Wijnand Laan
Priority to NL7809689A priority Critical patent/NL168290C/en
Priority to BE0/197209A priority patent/BE878867A/en
Priority to CA335,383A priority patent/CA1127117A/en
Priority to FR7923402A priority patent/FR2436743B1/en
Priority to DE19792938208 priority patent/DE2938208C2/en
Publication of NL7809689A publication Critical patent/NL7809689A/en
Publication of NL168290B publication Critical patent/NL168290B/en
Application granted granted Critical
Publication of NL168290C publication Critical patent/NL168290C/en

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
    • E02F3/3622—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Shovels (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Component Parts Of Construction Machinery (AREA)
NL7809689A 1978-09-25 1978-09-25 EXCAVATOR WITH A DEVICE FOR COUPLING A TOOL WITH A LIFTING DEVICE. NL168290C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL7809689A NL168290C (en) 1978-09-25 1978-09-25 EXCAVATOR WITH A DEVICE FOR COUPLING A TOOL WITH A LIFTING DEVICE.
BE0/197209A BE878867A (en) 1978-09-25 1979-08-19 DEVICE FOR COUPLING A BOOM TO A TOOL.
CA335,383A CA1127117A (en) 1978-09-25 1979-09-11 Device for coupling a boom to a tool
FR7923402A FR2436743B1 (en) 1978-09-25 1979-09-20 DEVICE FOR COUPLING A BOOM TO A TOOL
DE19792938208 DE2938208C2 (en) 1978-09-25 1979-09-21 Device for coupling a tool to the boom of a hydraulically operated excavator or the like. Machine for earthworks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7809689 1978-09-25
NL7809689A NL168290C (en) 1978-09-25 1978-09-25 EXCAVATOR WITH A DEVICE FOR COUPLING A TOOL WITH A LIFTING DEVICE.

Publications (3)

Publication Number Publication Date
NL7809689A NL7809689A (en) 1980-03-27
NL168290B true NL168290B (en) 1981-10-16
NL168290C NL168290C (en) 1982-03-16

Family

ID=19831603

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7809689A NL168290C (en) 1978-09-25 1978-09-25 EXCAVATOR WITH A DEVICE FOR COUPLING A TOOL WITH A LIFTING DEVICE.

Country Status (5)

Country Link
BE (1) BE878867A (en)
CA (1) CA1127117A (en)
DE (1) DE2938208C2 (en)
FR (1) FR2436743B1 (en)
NL (1) NL168290C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT392307B (en) * 1987-09-25 1991-03-11 Winkelbauer Franz CLUTCH DEVICE
CH675266A5 (en) * 1987-12-22 1990-09-14 Zepf Hans Rudolf
FR2657596B1 (en) * 1990-01-26 1992-04-24 Morin Freres DEVICE FOR FIXING A BUCKET, OR THE LIKE, AT THE END OF THE ARM OF A LOADER.
DE19608549C2 (en) 1996-03-06 1998-03-19 Lewin Heinz Ulrich Construction machine with quickly changing boom
DE10311927B4 (en) * 2003-03-18 2007-06-28 Liebherr-Hydraulikbagger Gmbh Quick coupler

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1408271A (en) * 1964-06-30 1965-08-13 Venissieux Atel Improvements to the joints of hydraulic excavator tools on the operating arms and connecting rods
BE791834A (en) * 1971-12-01 1973-03-16 Verachtert Antonius P EXCAVATOR
US4013182A (en) * 1975-04-21 1977-03-22 Rockland, Inc. Detachable coupling system

Also Published As

Publication number Publication date
DE2938208A1 (en) 1980-04-03
FR2436743A1 (en) 1980-04-18
FR2436743B1 (en) 1986-02-28
BE878867A (en) 1980-01-16
CA1127117A (en) 1982-07-06
DE2938208C2 (en) 1985-12-05
NL7809689A (en) 1980-03-27
NL168290C (en) 1982-03-16

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Legal Events

Date Code Title Description
A1C A request for examination has been filed
SNR Assignments of patents or rights arising from examined patent applications

Owner name: ALBERTA LTD.

SNR Assignments of patents or rights arising from examined patent applications

Owner name: BOFORS NEDERLAND B.V.

V4 Lapsed because of reaching the maxim lifetime of a patent

Free format text: 980925