FR2103568B3 - - Google Patents

Info

Publication number
FR2103568B3
FR2103568B3 FR7131196A FR7131196A FR2103568B3 FR 2103568 B3 FR2103568 B3 FR 2103568B3 FR 7131196 A FR7131196 A FR 7131196A FR 7131196 A FR7131196 A FR 7131196A FR 2103568 B3 FR2103568 B3 FR 2103568B3
Authority
FR
France
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
FR7131196A
Other languages
French (fr)
Other versions
FR2103568A3 (enrdf_load_stackoverflow
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.)
JOHANSSON NILS SW
Original Assignee
JOHANSSON NILS SW
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 JOHANSSON NILS SW filed Critical JOHANSSON NILS SW
Publication of FR2103568A3 publication Critical patent/FR2103568A3/fr
Application granted granted Critical
Publication of FR2103568B3 publication Critical patent/FR2103568B3/fr
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
    • 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
    • G05D3/18—Control of position or direction using feedback using an analogue comparing device delivering a series of pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)
  • Road Paving Machines (AREA)
  • Operation Control Of Excavators (AREA)
FR7131196A 1970-08-27 1971-08-27 Expired FR2103568B3 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1162070A SE338748B (enrdf_load_stackoverflow) 1970-08-27 1970-08-27

Publications (2)

Publication Number Publication Date
FR2103568A3 FR2103568A3 (enrdf_load_stackoverflow) 1972-04-14
FR2103568B3 true FR2103568B3 (enrdf_load_stackoverflow) 1973-11-30

Family

ID=20294303

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7131196A Expired FR2103568B3 (enrdf_load_stackoverflow) 1970-08-27 1971-08-27

Country Status (5)

Country Link
CA (1) CA975453A (enrdf_load_stackoverflow)
DE (1) DE2142446A1 (enrdf_load_stackoverflow)
FR (1) FR2103568B3 (enrdf_load_stackoverflow)
GB (1) GB1344672A (enrdf_load_stackoverflow)
SE (1) SE338748B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980829A (ja) * 1982-10-29 1984-05-10 Kubota Ltd 整地スクレ−パ付きトラクタ

Also Published As

Publication number Publication date
GB1344672A (en) 1974-01-23
SE338748B (enrdf_load_stackoverflow) 1971-09-13
CA975453A (en) 1975-09-30
DE2142446A1 (de) 1972-03-02
FR2103568A3 (enrdf_load_stackoverflow) 1972-04-14

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Legal Events

Date Code Title Description
ST Notification of lapse