GB1344672A - Road-maintenance machine with blade - Google Patents

Road-maintenance machine with blade

Info

Publication number
GB1344672A
GB1344672A GB4017571A GB4017571A GB1344672A GB 1344672 A GB1344672 A GB 1344672A GB 4017571 A GB4017571 A GB 4017571A GB 4017571 A GB4017571 A GB 4017571A GB 1344672 A GB1344672 A GB 1344672A
Authority
GB
United Kingdom
Prior art keywords
blade
inclination
horizontal
cylinder
relay
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
GB4017571A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1344672A publication Critical patent/GB1344672A/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
    • 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)
GB4017571A 1970-08-27 1971-08-26 Road-maintenance machine with blade Expired GB1344672A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1344672A true GB1344672A (en) 1974-01-23

Family

ID=20294303

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4017571A Expired GB1344672A (en) 1970-08-27 1971-08-26 Road-maintenance machine with blade

Country Status (5)

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

Cited By (1)

* 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

Cited By (1)

* 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

Also Published As

Publication number Publication date
FR2103568B3 (cs) 1973-11-30
FR2103568A3 (cs) 1972-04-14
CA975453A (en) 1975-09-30
SE338748B (cs) 1971-09-13
DE2142446A1 (de) 1972-03-02

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees