JPS5148805Y2 - - Google Patents

Info

Publication number
JPS5148805Y2
JPS5148805Y2 JP1971113355U JP11335571U JPS5148805Y2 JP S5148805 Y2 JPS5148805 Y2 JP S5148805Y2 JP 1971113355 U JP1971113355 U JP 1971113355U JP 11335571 U JP11335571 U JP 11335571U JP S5148805 Y2 JPS5148805 Y2 JP S5148805Y2
Authority
JP
Japan
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
JP1971113355U
Other languages
Japanese (ja)
Other versions
JPS4869202U (enrdf_load_stackoverflow
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 filed Critical
Priority to JP1971113355U priority Critical patent/JPS5148805Y2/ja
Priority to DE19722257951 priority patent/DE2257951B2/de
Priority to US309888A priority patent/US3858737A/en
Priority to GB5479072A priority patent/GB1404617A/en
Priority to FR7242843A priority patent/FR2162172B1/fr
Publication of JPS4869202U publication Critical patent/JPS4869202U/ja
Application granted granted Critical
Publication of JPS5148805Y2 publication Critical patent/JPS5148805Y2/ja
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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
    • 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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • 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
    • E02F9/24—Safety devices, e.g. for preventing overload
    • E02F9/245—Safety devices, e.g. for preventing overload for preventing damage to underground objects during excavation, e.g. indicating buried pipes or the like
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S37/00—Excavating
    • Y10S37/906—Visual aids and indicators for excavating tool

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Paleontology (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
JP1971113355U 1971-12-02 1971-12-02 Expired JPS5148805Y2 (enrdf_load_stackoverflow)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1971113355U JPS5148805Y2 (enrdf_load_stackoverflow) 1971-12-02 1971-12-02
DE19722257951 DE2257951B2 (de) 1971-12-02 1972-11-25 Tiefloeffelbagger mit einer elektrischen anzeigevorrichtung fuer eingegrabene metallteile
US309888A US3858737A (en) 1971-12-02 1972-11-27 Excavator
GB5479072A GB1404617A (en) 1971-12-02 1972-11-27 Excavators
FR7242843A FR2162172B1 (enrdf_load_stackoverflow) 1971-12-02 1972-12-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971113355U JPS5148805Y2 (enrdf_load_stackoverflow) 1971-12-02 1971-12-02

Publications (2)

Publication Number Publication Date
JPS4869202U JPS4869202U (enrdf_load_stackoverflow) 1973-09-01
JPS5148805Y2 true JPS5148805Y2 (enrdf_load_stackoverflow) 1976-11-25

Family

ID=14610156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1971113355U Expired JPS5148805Y2 (enrdf_load_stackoverflow) 1971-12-02 1971-12-02

Country Status (5)

Country Link
US (1) US3858737A (enrdf_load_stackoverflow)
JP (1) JPS5148805Y2 (enrdf_load_stackoverflow)
DE (1) DE2257951B2 (enrdf_load_stackoverflow)
FR (1) FR2162172B1 (enrdf_load_stackoverflow)
GB (1) GB1404617A (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1509380A (en) * 1975-06-14 1978-05-04 Electrolocation Ltd Underground metal pipe or cable location
US4070625A (en) * 1976-09-14 1978-01-24 Dravo Corporation Apparatus for measuring the distance to the floor of the cargo hold of a ship through intervening bulk material
US4600356A (en) * 1984-01-27 1986-07-15 Gas Research Institute Underground pipeline and cable detector and process
DE4027020C2 (de) * 1990-08-27 1994-08-25 Heinrich Liebig Gmbh Verfahren und Vorrichtung zur Feststellung des Vorhandenseins von metallischen Bewehrungselementen im Innern eines Beton-Bauteils
SE467978B (sv) * 1990-12-14 1992-10-12 Servoindikator Hb Pekare
ATE104719T1 (de) * 1990-12-14 1994-05-15 Servoindikator Hb Anzeiger.
DE4233441A1 (de) * 1992-07-21 1994-01-27 Zikun Fahrzeugbau Gmbh Hilfsvorrichtung für Fahrzeuge
US5479729A (en) * 1994-04-04 1996-01-02 At&T Corp. Method and apparatus for controlling excavation eqiupment
US5592092A (en) * 1994-10-28 1997-01-07 Gas Research Institute Pipe proximity warning device for accidental damage prevention mounted on the bucket of a backhoe
GB2337120B (en) * 1998-05-07 2003-04-09 Radiodetection Ltd Detecting underground conductors
DE102008059365A1 (de) * 2008-11-28 2010-06-02 Symeo Gmbh Positions- und/oder Ausrichtungs-Bestimmungsvorrichtung mittels Funk- oder Satelliten-gestützter Sender
US20100321021A1 (en) * 2009-06-23 2010-12-23 Jack Alexander Siegel Metal detection excavation apparatus and method
RU2708023C2 (ru) * 2014-12-09 2019-12-03 СиЭмТиИ ДЕВЕЛОПМЕНТ ЛИМИТЕД Способ и система для обнаружения проводящих объектов
US11672192B2 (en) * 2017-11-06 2023-06-13 Brp Group Pty Ltd Electromagnetic frequency (EMF) detecting safety shovel for detecting the presence of subsurface power cables during excavation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2131291A (en) * 1936-06-16 1938-09-27 Charles I Maust Signal system for excavators
US2409397A (en) * 1943-10-13 1946-10-15 Edward F Sheehan Safety cutoff for power-operated hand tools
US3418572A (en) * 1966-02-11 1968-12-24 Thomas G. Humphreys Jr. Apparatus including variable frequency indicating means for locating and tracing conductive structures
JPS499388B1 (enrdf_load_stackoverflow) * 1968-05-25 1974-03-04

Also Published As

Publication number Publication date
FR2162172B1 (enrdf_load_stackoverflow) 1975-01-03
JPS4869202U (enrdf_load_stackoverflow) 1973-09-01
FR2162172A1 (enrdf_load_stackoverflow) 1973-07-13
DE2257951B2 (de) 1976-02-05
GB1404617A (en) 1975-09-03
US3858737A (en) 1975-01-07
DE2257951A1 (de) 1973-06-07

Similar Documents

Publication Publication Date Title
ATA136472A (enrdf_load_stackoverflow)
AU2658571A (enrdf_load_stackoverflow)
AU2691671A (enrdf_load_stackoverflow)
AU2485671A (enrdf_load_stackoverflow)
AU3005371A (enrdf_load_stackoverflow)
AU2952271A (enrdf_load_stackoverflow)
AU2941471A (enrdf_load_stackoverflow)
AU2894671A (enrdf_load_stackoverflow)
AU2742671A (enrdf_load_stackoverflow)
AU2726271A (enrdf_load_stackoverflow)
AU2684071A (enrdf_load_stackoverflow)
AU2564071A (enrdf_load_stackoverflow)
AU2473671A (enrdf_load_stackoverflow)
AU2755871A (enrdf_load_stackoverflow)
AU2486471A (enrdf_load_stackoverflow)
AU3038671A (enrdf_load_stackoverflow)
AU2503871A (enrdf_load_stackoverflow)
AU3025871A (enrdf_load_stackoverflow)
AU2577671A (enrdf_load_stackoverflow)
AU2588771A (enrdf_load_stackoverflow)
AU2654071A (enrdf_load_stackoverflow)
AU2456871A (enrdf_load_stackoverflow)
AU2669471A (enrdf_load_stackoverflow)
AU2455871A (enrdf_load_stackoverflow)
AU2684171A (enrdf_load_stackoverflow)