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 (en
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/en
Priority to GB5479072A priority patent/GB1404617A/en
Priority to US309888A priority patent/US3858737A/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 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1971113355U JPS5148805Y2 (en) 1971-12-02 1971-12-02
DE19722257951 DE2257951B2 (en) 1971-12-02 1972-11-25 BUCKET EXCAVATOR WITH AN ELECTRIC DISPLAY DEVICE FOR ENGAGED METAL PARTS
GB5479072A GB1404617A (en) 1971-12-02 1972-11-27 Excavators
US309888A US3858737A (en) 1971-12-02 1972-11-27 Excavator
FR7242843A FR2162172B1 (en) 1971-12-02 1972-12-01

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=14610156

Family Applications (1)

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

Country Status (5)

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

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 (en) * 1990-08-27 1994-08-25 Heinrich Liebig Gmbh Method and device for determining the presence of metallic reinforcement elements in the interior of a concrete component
ATE104719T1 (en) * 1990-12-14 1994-05-15 Servoindikator Hb INDICATOR.
SE467978B (en) * 1990-12-14 1992-10-12 Servoindikator Hb POINTER
DE4233441A1 (en) * 1992-07-21 1994-01-27 Zikun Fahrzeugbau Gmbh Auxiliary device for vehicle with articulated parts or tools for working on electric power lines - has sensor for detecting metal objects or electromagnetic and/or electrostatic fields and evaluation unit connected to alarm and/or actuator
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 (en) * 2008-11-28 2010-06-02 Symeo Gmbh Position and/or alignment-determining device for fork lift, has evaluation device to determine position and/or alignment of component of device, and antennas aligned relative to each other in different spatial directions of surrounding area
US20100321021A1 (en) * 2009-06-23 2010-12-23 Jack Alexander Siegel Metal detection excavation apparatus and method
BR112017012354B1 (en) * 2014-12-09 2022-08-09 Cmte Development Limited METHOD TO DETECT THE PRESENCE OR ABSENCE OF ELECTRICALLY CONDUCTIVE OBJECTS, METHOD TO DETECT AND REMOVE ELECTRICALLY CONDUCTIVE OBJECTS, PULSE INDUCTION DETECTION SYSTEM, AND, EARTH EXCAVATOR
EP3706528B1 (en) * 2017-11-06 2023-07-05 BRP Group Pty Ltd An 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 (en) * 1968-05-25 1974-03-04

Also Published As

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

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