CA954828A - Means for controlling the working depth of an excavator - Google Patents

Means for controlling the working depth of an excavator

Info

Publication number
CA954828A
CA954828A CA126,350A CA126350A CA954828A CA 954828 A CA954828 A CA 954828A CA 126350 A CA126350 A CA 126350A CA 954828 A CA954828 A CA 954828A
Authority
CA
Canada
Prior art keywords
excavator
controlling
working depth
depth
working
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
CA126,350A
Other languages
English (en)
Inventor
Hans K. Nilsson
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
Application granted granted Critical
Publication of CA954828A publication Critical patent/CA954828A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/26—Indicating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Earth Drilling (AREA)
  • Operation Control Of Excavators (AREA)
CA126,350A 1970-10-28 1971-10-28 Means for controlling the working depth of an excavator Expired CA954828A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1452970A SE339443B (ja) 1970-10-28 1970-10-28

Publications (1)

Publication Number Publication Date
CA954828A true CA954828A (en) 1974-09-17

Family

ID=20299265

Family Applications (1)

Application Number Title Priority Date Filing Date
CA126,350A Expired CA954828A (en) 1970-10-28 1971-10-28 Means for controlling the working depth of an excavator

Country Status (12)

Country Link
JP (1) JPS5437404B1 (ja)
AU (1) AU469972B2 (ja)
CA (1) CA954828A (ja)
DE (1) DE2152579C3 (ja)
DK (1) DK134824B (ja)
ES (1) ES396413A1 (ja)
FR (1) FR2113329A5 (ja)
GB (1) GB1344898A (ja)
IT (1) IT944751B (ja)
NL (1) NL166515C (ja)
NO (1) NO135541C (ja)
SE (1) SE339443B (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE436436B (sv) * 1981-06-18 1984-12-10 Eurotrade Machine Pool Ab Djupmetare vid grevmaskiner
FI626U1 (fi) * 1992-12-07 1993-03-24 Marko Tapio Nuotio Expansionskaerl foer nivaoskillnadsmaetare
GB9713501D0 (en) * 1997-06-26 1997-09-03 Henderson Stephen C Relative height gauge

Also Published As

Publication number Publication date
GB1344898A (en) 1974-01-23
DE2152579B2 (de) 1979-03-22
SE339443B (ja) 1971-10-04
NO135541C (ja) 1977-04-27
NL7114594A (ja) 1972-05-03
AU469972B2 (en) 1976-02-26
AU3505571A (en) 1973-05-03
NL166515B (nl) 1981-03-16
FR2113329A5 (ja) 1972-06-23
DK134824B (da) 1977-01-24
NL166515C (nl) 1981-08-17
DE2152579C3 (de) 1979-11-22
DE2152579A1 (de) 1972-06-15
DK134824C (ja) 1977-06-13
IT944751B (it) 1973-04-20
ES396413A1 (es) 1975-01-01
JPS5437404B1 (ja) 1979-11-15
NO135541B (ja) 1977-01-10

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