JPS53512B2 - - Google Patents

Info

Publication number
JPS53512B2
JPS53512B2 JP825573A JP825573A JPS53512B2 JP S53512 B2 JPS53512 B2 JP S53512B2 JP 825573 A JP825573 A JP 825573A JP 825573 A JP825573 A JP 825573A JP S53512 B2 JPS53512 B2 JP S53512B2
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
JP825573A
Other versions
JPS4882356A (ja
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
Publication of JPS4882356A publication Critical patent/JPS4882356A/ja
Publication of JPS53512B2 publication Critical patent/JPS53512B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/04—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means
    • B66C1/06—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means electromagnetic
    • B66C1/08—Circuits therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
    • B66C2700/087—Electrical assemblies or electrical control devices for electrically actuated grabs

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Load-Engaging Elements For Cranes (AREA)
JP825573A 1972-01-19 1973-01-18 Expired JPS53512B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21902072A 1972-01-19 1972-01-19

Publications (2)

Publication Number Publication Date
JPS4882356A JPS4882356A (ja) 1973-11-02
JPS53512B2 true JPS53512B2 (ja) 1978-01-09

Family

ID=22817478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP825573A Expired JPS53512B2 (ja) 1972-01-19 1973-01-18

Country Status (5)

Country Link
US (1) US3723825A (ja)
JP (1) JPS53512B2 (ja)
AU (1) AU463330B2 (ja)
CA (1) CA965832A (ja)
GB (1) GB1384001A (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306268A (en) * 1979-10-09 1981-12-15 Square D Company Electromagnet control circuit
US4306269A (en) * 1979-12-07 1981-12-15 Semi-Controls, Inc. Magnetic chuck control system
US4633361A (en) * 1984-10-01 1986-12-30 Walker Magnetics Group, Inc. Chuck control for a workpiece holding electromagnet
US7791856B2 (en) * 2007-02-09 2010-09-07 Ephaugh, Inc. Method and apparatus for moving material
JP4607199B2 (ja) * 2008-03-12 2011-01-05 住友重機械工業株式会社 リフティングマグネット駆動回路
EP2193890B1 (en) * 2008-12-08 2017-01-25 Scandinavian Robotics AB A device for picking articles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368119A (en) * 1963-05-01 1968-02-06 Arthur K Littwin Apparatus for demagnetizing
US3579053A (en) * 1968-06-26 1971-05-18 Arthur K Littwin Magnetizing and demagnetizing apparatus and method

Also Published As

Publication number Publication date
GB1384001A (en) 1974-02-12
AU463330B2 (en) 1975-07-24
CA965832A (en) 1975-04-08
JPS4882356A (ja) 1973-11-02
AU5118773A (en) 1974-07-18
US3723825A (en) 1973-03-27

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