AU590402B2 - Trencher apparatus - Google Patents

Trencher apparatus

Info

Publication number
AU590402B2
AU590402B2 AU70562/87A AU7056287A AU590402B2 AU 590402 B2 AU590402 B2 AU 590402B2 AU 70562/87 A AU70562/87 A AU 70562/87A AU 7056287 A AU7056287 A AU 7056287A AU 590402 B2 AU590402 B2 AU 590402B2
Authority
AU
Australia
Prior art keywords
trencher
trencher apparatus
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.)
Ceased
Application number
AU70562/87A
Other versions
AU7056287A (en
Inventor
Rodney Allen Stiff
James Richard Warren
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.)
Austoft Industries Ltd
Original Assignee
Austoft Industries 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.)
Filing date
Publication date
Application filed by Austoft Industries Ltd filed Critical Austoft Industries Ltd
Priority to AU70562/87A priority Critical patent/AU590402B2/en
Publication of AU7056287A publication Critical patent/AU7056287A/en
Priority to AU36161/89A priority patent/AU600410B2/en
Application granted granted Critical
Publication of AU590402B2 publication Critical patent/AU590402B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
    • E02F3/10—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain with tools that only loosen the material, i.e. with cutter-type chains
    • 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • 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
    • E02F9/225—Control of steering, e.g. for hydraulic motors driving the vehicle tracks
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
AU70562/87A 1986-03-25 1987-03-24 Trencher apparatus Ceased AU590402B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU70562/87A AU590402B2 (en) 1986-03-25 1987-03-24 Trencher apparatus
AU36161/89A AU600410B2 (en) 1986-03-25 1989-06-07 Digger sensing apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPH519886 1986-03-25
AUPH5198 1986-03-25
AU70562/87A AU590402B2 (en) 1986-03-25 1987-03-24 Trencher apparatus

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU36161/89A Division AU600410B2 (en) 1986-03-25 1989-06-07 Digger sensing apparatus

Publications (2)

Publication Number Publication Date
AU7056287A AU7056287A (en) 1987-10-01
AU590402B2 true AU590402B2 (en) 1989-11-02

Family

ID=25636336

Family Applications (1)

Application Number Title Priority Date Filing Date
AU70562/87A Ceased AU590402B2 (en) 1986-03-25 1987-03-24 Trencher apparatus

Country Status (1)

Country Link
AU (1) AU590402B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU599795B2 (en) * 1987-05-26 1990-07-26 Cnh America Llc Trenching apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU421612B2 (en) * 1965-11-29 1972-02-22 Casteel Industries, Inc Trencher boom and auger mount
AU6765687A (en) * 1987-01-19 1988-07-21 Boral Johns Perry Industries Pty Ltd Digging or trenching machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU421612B2 (en) * 1965-11-29 1972-02-22 Casteel Industries, Inc Trencher boom and auger mount
AU6765687A (en) * 1987-01-19 1988-07-21 Boral Johns Perry Industries Pty Ltd Digging or trenching machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU599795B2 (en) * 1987-05-26 1990-07-26 Cnh America Llc Trenching apparatus

Also Published As

Publication number Publication date
AU7056287A (en) 1987-10-01

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