GB1488202A - Earthworking apparatus - Google Patents

Earthworking apparatus

Info

Publication number
GB1488202A
GB1488202A GB2627/75A GB262775A GB1488202A GB 1488202 A GB1488202 A GB 1488202A GB 2627/75 A GB2627/75 A GB 2627/75A GB 262775 A GB262775 A GB 262775A GB 1488202 A GB1488202 A GB 1488202A
Authority
GB
United Kingdom
Prior art keywords
mass
accelerometer
jan
operates
signal
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.)
Expired
Application number
GB2627/75A
Other languages
English (en)
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of GB1488202A publication Critical patent/GB1488202A/en
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
    • E02F3/845—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically using mechanical sensors to determine the blade position, e.g. inclinometers, gyroscopes, pendulums

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)
GB2627/75A 1974-01-21 1975-01-21 Earthworking apparatus Expired GB1488202A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US434982A US3896899A (en) 1974-01-21 1974-01-21 Blade stabilizer for earth working apparatus

Publications (1)

Publication Number Publication Date
GB1488202A true GB1488202A (en) 1977-10-12

Family

ID=23726506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2627/75A Expired GB1488202A (en) 1974-01-21 1975-01-21 Earthworking apparatus

Country Status (7)

Country Link
US (1) US3896899A (xx)
JP (1) JPS5724448B2 (xx)
AR (1) AR207132A1 (xx)
BR (1) BR7500384A (xx)
CA (1) CA1028027A (xx)
GB (1) GB1488202A (xx)
ZA (1) ZA747136B (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129034A (en) * 1982-10-29 1984-05-10 Kubota Ltd Tractor with a scraper
DE10000771A1 (de) * 2000-01-11 2001-07-26 Brueninghaus Hydromatik Gmbh Vorrichtung und Verfahren zur Lageregelung für Arbeitseinrichtungen mobiler Arbeitsmaschinen

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064945A (en) * 1975-03-10 1977-12-27 J. I. Case Company Electronic depth control system
US4085805A (en) * 1976-01-26 1978-04-25 Honeywell Inc. Earth working machine with elevation control for tool thereof
WO1982003645A1 (en) * 1981-04-15 1982-10-28 Rolland D Scholl Blade condition control system
JPS6280103U (xx) * 1985-11-11 1987-05-22
US5584346A (en) * 1992-07-27 1996-12-17 Komatsu Est Corp. Control system for a motor grader
US5551518A (en) * 1994-09-28 1996-09-03 Caterpillar Inc. Tilt rate compensation implement system and method
US5653155A (en) * 1996-01-29 1997-08-05 Caterpillar Inc. Method and apparatus for single lever control of multiple actuators
CA2257049A1 (en) * 1997-12-31 1999-06-30 Richard Gramm Combine header height control
US6883299B1 (en) 2003-08-05 2005-04-26 Richard Gramm Height sensor arrangement for agricultural applications
US8406963B2 (en) * 2009-08-18 2013-03-26 Caterpillar Inc. Implement control system for a machine
US8869910B2 (en) * 2010-04-07 2014-10-28 Caterpillar Inc. DCM circle shoe having angled wear insert
CN102505718B (zh) * 2011-11-22 2014-10-01 潍柴动力股份有限公司 推土机及其扭矩平滑动力系统
US20130158818A1 (en) * 2011-12-20 2013-06-20 Caterpillar Inc. Implement control system for a machine
US8600621B2 (en) 2011-12-20 2013-12-03 Caterpillar Inc. System and method for controlling slip
US9194101B2 (en) * 2014-04-17 2015-11-24 Gregory P. Costello Method and apparatus for earth moving and surface grading
US9458599B2 (en) * 2014-04-17 2016-10-04 Gregory P. Costello Method and apparatus for earth moving and surface grading
US11598068B2 (en) * 2020-05-28 2023-03-07 Caterpillar Inc. Drawbar assembly for a motor grader

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026638A (en) * 1960-01-28 1962-03-27 Sanders Associates Inc Automatic blade slope control system
US3497014A (en) * 1967-05-01 1970-02-24 United Aircraft Corp Automatic blade bite control
US3495663A (en) * 1968-06-26 1970-02-17 Caterpillar Tractor Co Integrated automatic slope-grade control system for motor graders
US3486564A (en) * 1969-02-24 1969-12-30 Caterpillar Tractor Co Vertical reference system
US3604512A (en) * 1969-09-16 1971-09-14 Caterpillar Tractor Co Electrooptical control system for vehicles
US3637026A (en) * 1969-10-06 1972-01-25 Cmi Corp Cross slope control of mobile machinery

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129034A (en) * 1982-10-29 1984-05-10 Kubota Ltd Tractor with a scraper
DE10000771A1 (de) * 2000-01-11 2001-07-26 Brueninghaus Hydromatik Gmbh Vorrichtung und Verfahren zur Lageregelung für Arbeitseinrichtungen mobiler Arbeitsmaschinen
DE10000771C2 (de) * 2000-01-11 2003-06-12 Brueninghaus Hydromatik Gmbh Vorrichtung und Verfahren zur Lageregelung für Arbeitseinrichtungen mobiler Arbeitsmaschinen
US6968241B2 (en) 2000-01-11 2005-11-22 Brueninghaus Hydromatik Gmbh Device and method for controlling the position for working devices of mobile machines

Also Published As

Publication number Publication date
JPS5724448B2 (xx) 1982-05-24
ZA747136B (en) 1975-11-26
US3896899A (en) 1975-07-29
JPS50103101A (xx) 1975-08-14
BR7500384A (pt) 1975-11-04
CA1028027A (en) 1978-03-14
AR207132A1 (es) 1976-09-15

Similar Documents

Publication Publication Date Title
GB1488202A (en) Earthworking apparatus
GB1419390A (en) Pipeline inspection pig
GB1514648A (en) Sensor for measuring angular motion about a vertical axis
FR2415829A1 (fr) Systeme de servo-commande
FR2403621A1 (fr) Systeme d'entrainement de disque de memoire
GB1515535A (en) Web tracking apparatus
SE7611768L (sv) Forfarande och anordning for snabbinstellning av navigationsmedel
GB1485941A (en) Wheel speed sensor
GB1477980A (en) Magnetic speed sensor
GB1317649A (en) Positioning system
CA1004454A (en) Earth's magnetic field sensor
GB1358417A (en) Course determining device for a vehicle
GB822240A (en) Improvements in or relating to reading heads for magnetic recordings
JPS57156517A (en) Magnetic scale with graduation
JPS55101863A (en) Speed detector
JPS5341211A (en) Remaining tape quantity indicator
JPS5377699A (en) Medium locating system
GB1010559A (en) Improvements in and relating to graphic recording apparatus
JPS5387203A (en) Stabilizing system for rotary mirror in optical information recorder/reproducer
GB1465595A (en) Fast null balance circuit
GB1470487A (en) Magnetic speed sensor with compensating pole
JPS52113702A (en) Recorder
JPS5267471A (en) Servo control system
JPS5583905A (en) Feed control unit for mechanical device
JPS52106708A (en) Speed control system for head positioning

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee