GB1440855A - Earth working machine - Google Patents

Earth working machine

Info

Publication number
GB1440855A
GB1440855A GB4185074A GB4185074A GB1440855A GB 1440855 A GB1440855 A GB 1440855A GB 4185074 A GB4185074 A GB 4185074A GB 4185074 A GB4185074 A GB 4185074A GB 1440855 A GB1440855 A GB 1440855A
Authority
GB
United Kingdom
Prior art keywords
frame
sensor
output
bar
slope
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
GB4185074A
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Publication of GB1440855A publication Critical patent/GB1440855A/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
    • E02F3/841—Devices for controlling and guiding the whole machine, e.g. by feeler elements and reference lines placed exteriorly of the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G05D3/1472—Control of position or direction using feedback using an analogue comparing device with potentiometer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Vehicle Body Suspensions (AREA)
  • Operation Control Of Excavators (AREA)
  • Road Paving Machines (AREA)
  • Guiding Agricultural Machines (AREA)
  • Transplanting Machines (AREA)
GB4185074A 1973-09-28 1974-09-26 Earth working machine Expired GB1440855A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00401927A US3857577A (en) 1973-09-28 1973-09-28 Proportional frame twist slope control

Publications (1)

Publication Number Publication Date
GB1440855A true GB1440855A (en) 1976-06-30

Family

ID=23589827

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4185074A Expired GB1440855A (en) 1973-09-28 1974-09-26 Earth working machine

Country Status (9)

Country Link
US (1) US3857577A (enrdf_load_stackoverflow)
JP (1) JPS607097B2 (enrdf_load_stackoverflow)
AU (1) AU7334974A (enrdf_load_stackoverflow)
CA (1) CA1019421A (enrdf_load_stackoverflow)
DE (1) DE2443477C2 (enrdf_load_stackoverflow)
FR (1) FR2246001A1 (enrdf_load_stackoverflow)
GB (1) GB1440855A (enrdf_load_stackoverflow)
IT (1) IT1022093B (enrdf_load_stackoverflow)
SE (1) SE7412045L (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155868A (en) * 1984-03-20 1985-10-02 Vernon Brian William Harvey Ground-engaging travelling structure
GB2201926A (en) * 1987-03-04 1988-09-14 Monticolombi C G R Improvements in or relating to a stair-climbing device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999623A (en) * 1975-08-20 1976-12-28 Honeywell Inc. Frame distortion relief steering control system
FR2579147B1 (fr) * 1985-03-25 1987-05-15 Camiva Dispositif de fixation d'une citerne sur un vehicule a chassis deformable
DE3534211A1 (de) * 1985-09-25 1987-03-26 Pfister Gmbh Kraftfahrzeug und verfahren zu dessen betrieb
US5941658A (en) * 1997-06-02 1999-08-24 Guntert & Zimmerman Constr. Div. Inc. Cross-slope level control for mobile machinery
GB9927295D0 (en) * 1999-11-19 2000-01-12 Rover Group Vehicle suspensions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3028175A (en) * 1959-06-15 1962-04-03 Thompson Ramo Wooldridge Inc Automatically leveling vehicle suspension system
US3214185A (en) * 1962-03-05 1965-10-26 Int Harvester Co Control means for a motor vehicle suspension system of the pneumatic type
DE1214552B (de) * 1963-03-23 1966-04-14 Daimler Benz Ag Selbsttaetige Regelvorrichtung zum Konstanthalten der Hoehenlage des Wagenkastens fuer Kraftwagen, insbesondere Personenkraftwagen
US3637026A (en) * 1969-10-06 1972-01-25 Cmi Corp Cross slope control of mobile machinery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155868A (en) * 1984-03-20 1985-10-02 Vernon Brian William Harvey Ground-engaging travelling structure
GB2201926A (en) * 1987-03-04 1988-09-14 Monticolombi C G R Improvements in or relating to a stair-climbing device

Also Published As

Publication number Publication date
CA1019421A (en) 1977-10-18
AU7334974A (en) 1976-03-18
DE2443477C2 (de) 1984-07-19
JPS607097B2 (ja) 1985-02-22
US3857577A (en) 1974-12-31
DE2443477A1 (de) 1975-04-10
IT1022093B (it) 1978-03-20
FR2246001A1 (enrdf_load_stackoverflow) 1975-04-25
JPS5059916A (enrdf_load_stackoverflow) 1975-05-23
SE7412045L (enrdf_load_stackoverflow) 1975-04-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee