JPS4833608A - - Google Patents

Info

Publication number
JPS4833608A
JPS4833608A JP46068049A JP6804971A JPS4833608A JP S4833608 A JPS4833608 A JP S4833608A JP 46068049 A JP46068049 A JP 46068049A JP 6804971 A JP6804971 A JP 6804971A JP S4833608 A JPS4833608 A JP S4833608A
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.)
Granted
Application number
JP46068049A
Other languages
Japanese (ja)
Other versions
JPS5139447B2 (enrdf_load_stackoverflow
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 (enrdf_load_stackoverflow)

Priority Applications (2)

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

Publications (2)

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

Family

ID=13362527

Family Applications (1)

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

Country Status (2)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5049314A (enrdf_load_stackoverflow) * 1973-07-20 1975-05-02
JPS50132025A (enrdf_load_stackoverflow) * 1974-03-08 1975-10-18
JPS6039496U (ja) * 1983-08-25 1985-03-19 トヨタ自動車株式会社 チャック装置
JPS60500605A (ja) * 1983-02-07 1985-05-02 エムハ−ト・インダストリ−ズ・インコ−ポレ−テッド 取出しトングヘッド
JPS61101591U (enrdf_load_stackoverflow) * 1984-12-12 1986-06-28

Families Citing this family (19)

* 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
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
US4221266A (en) * 1978-10-13 1980-09-09 International Harvester Company Digital memory depth tillage system
CA1117626A (en) * 1978-10-13 1982-02-02 Randolph G. Fardal Depth limit control system for agricultural implements
US4288196A (en) * 1979-06-14 1981-09-08 Sutton Ii James O Computer controlled backhoe
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
EP2542726B1 (en) * 2010-03-05 2020-11-11 Leica Geosystems Technology A/S An 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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5049314A (enrdf_load_stackoverflow) * 1973-07-20 1975-05-02
JPS50132025A (enrdf_load_stackoverflow) * 1974-03-08 1975-10-18
JPS60500605A (ja) * 1983-02-07 1985-05-02 エムハ−ト・インダストリ−ズ・インコ−ポレ−テッド 取出しトングヘッド
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 (enrdf_load_stackoverflow) * 1984-12-12 1986-06-28

Also Published As

Publication number Publication date
US3831683A (en) 1974-08-27
JPS5139447B2 (enrdf_load_stackoverflow) 1976-10-28

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