JPS5139447B2 - - Google Patents

Info

Publication number
JPS5139447B2
JPS5139447B2 JP46068049A JP6804971A JPS5139447B2 JP S5139447 B2 JPS5139447 B2 JP S5139447B2 JP 46068049 A JP46068049 A JP 46068049A JP 6804971 A JP6804971 A JP 6804971A JP S5139447 B2 JPS5139447 B2 JP S5139447B2
Authority
JP
Japan
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.)
Expired
Application number
JP46068049A
Other languages
Japanese (ja)
Other versions
JPS4833608A (zh
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 filed Critical
Priority to JP46068049A priority Critical patent/JPS5139447B2/ja
Priority to US00285645A priority patent/US3831683A/en
Publication of JPS4833608A publication Critical patent/JPS4833608A/ja
Publication of JPS5139447B2 publication Critical patent/JPS5139447B2/ja
Expired 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
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S37/00—Excavating
    • Y10S37/907—Automatic leveling excavators

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
JP46068049A 1971-09-06 1971-09-06 Expired JPS5139447B2 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP46068049A JPS5139447B2 (zh) 1971-09-06 1971-09-06
US00285645A US3831683A (en) 1971-09-06 1972-09-01 System for controlling the level of an earth-removing blade of a bulldozer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46068049A JPS5139447B2 (zh) 1971-09-06 1971-09-06

Publications (2)

Publication Number Publication Date
JPS4833608A JPS4833608A (zh) 1973-05-11
JPS5139447B2 true JPS5139447B2 (zh) 1976-10-28

Family

ID=13362527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46068049A Expired JPS5139447B2 (zh) 1971-09-06 1971-09-06

Country Status (2)

Country Link
US (1) US3831683A (zh)
JP (1) JPS5139447B2 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0328842B2 (zh) * 1981-06-11 1991-04-22 Hughes Aircraft Co

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053018A (en) * 1973-05-23 1977-10-11 Kabushiki Kaisha Komatsu Seisakusho Automatic control system for earth-moving equipment
US3957121A (en) * 1973-05-28 1976-05-18 Kabushiki Kaisha Komatsu Seisakusho Automatic control system for earth-moving equipment
GB1442315A (en) * 1973-07-20 1976-07-14 Triplex Safety Glass Co Tongs for suspending glass
JPS5948217B2 (ja) * 1974-03-08 1984-11-24 セントラル硝子株式会社 吊下部材の取外し装置
US3994348A (en) * 1975-03-10 1976-11-30 J. I. Case Company Draft control system on a vehicle including sensing mechanism therefor
US4166506A (en) * 1975-06-30 1979-09-04 Kabushiki Kaisha Komatsu Seisakusho Controlling apparatus for bulldozer blade
JPS5330102A (en) * 1976-08-31 1978-03-22 Komatsu Mfg Co Ltd Device for automatically controlling blade of bulldozer
JPS54112503A (en) * 1978-02-02 1979-09-03 Komatsu Mfg Co Ltd Blade automatic controller of bulldozer
CA1117626A (en) * 1978-10-13 1982-02-02 Randolph G. Fardal Depth limit control system for agricultural implements
US4221266A (en) * 1978-10-13 1980-09-09 International Harvester Company Digital memory depth tillage system
US4288196A (en) * 1979-06-14 1981-09-08 Sutton Ii James O Computer controlled backhoe
US4506923A (en) * 1983-02-07 1985-03-26 Emhart Industries, Inc. Takeout tong head
JPS6039496U (ja) * 1983-08-25 1985-03-19 トヨタ自動車株式会社 チャック装置
JPS61101591U (zh) * 1984-12-12 1986-06-28
US4923015A (en) * 1988-10-03 1990-05-08 Barsby James B Earth mover blade stabilizing apparatus
US5065326A (en) * 1989-08-17 1991-11-12 Caterpillar, Inc. Automatic excavation control system and method
US5188502A (en) * 1990-12-24 1993-02-23 Caterpillar, Inc. Linkage arrangement for a multi-purpose vehicle
US5551518A (en) * 1994-09-28 1996-09-03 Caterpillar Inc. Tilt rate compensation implement system and method
US5807061A (en) * 1996-02-12 1998-09-15 Case Corporation Linkage arrangement for a skid-steer loader
JP2004293647A (ja) * 2003-03-26 2004-10-21 Showa Corp パワーチルト装置
US20080087447A1 (en) * 2006-10-16 2008-04-17 Richard Paul Piekutowski Control and method of control for an earthmoving system
US8406963B2 (en) 2009-08-18 2013-03-26 Caterpillar Inc. Implement control system for a machine
US8915308B2 (en) * 2010-03-05 2014-12-23 Mikrofyn A/S Apparatus and a method for height control for a dozer blade
JP7244168B2 (ja) * 2019-06-19 2023-03-22 株式会社小松製作所 作業機械を制御するためのシステム及び方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2902979A (en) * 1956-11-13 1959-09-08 Gurries Mfg Co Level control system for tractor-mounted tool members
US3026638A (en) * 1960-01-28 1962-03-27 Sanders Associates Inc Automatic blade slope control system
US3058242A (en) * 1960-03-02 1962-10-16 Collins Radio Co Control system for earth moving machine
US3497014A (en) * 1967-05-01 1970-02-24 United Aircraft Corp Automatic blade bite control
US3556225A (en) * 1967-08-02 1971-01-19 Hitachi Ltd Automatic level control system for earth moving machines
US3674094A (en) * 1970-08-31 1972-07-04 Honeywell Inc Automatic slope controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0328842B2 (zh) * 1981-06-11 1991-04-22 Hughes Aircraft Co

Also Published As

Publication number Publication date
JPS4833608A (zh) 1973-05-11
US3831683A (en) 1974-08-27

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