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DE69507815D1 - LIFTING DEVICE - Google Patents

LIFTING DEVICE

Info

Publication number
DE69507815D1
DE69507815D1 DE69507815T DE69507815T DE69507815D1 DE 69507815 D1 DE69507815 D1 DE 69507815D1 DE 69507815 T DE69507815 T DE 69507815T DE 69507815 T DE69507815 T DE 69507815T DE 69507815 D1 DE69507815 D1 DE 69507815D1
Authority
DE
Germany
Prior art keywords
lifting device
lifting
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 - Lifetime
Application number
DE69507815T
Other languages
German (de)
Inventor
Amitava Basak
Nabeel Shirazee
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.)
University College Cardiff Consultants Ltd
ORB Electrical Steels Ltd
Cardiff University
Original Assignee
University College Cardiff Consultants Ltd
ORB Electrical Steels Ltd
Cardiff University
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 University College Cardiff Consultants Ltd, ORB Electrical Steels Ltd, Cardiff University filed Critical University College Cardiff Consultants Ltd
Application granted granted Critical
Publication of DE69507815D1 publication Critical patent/DE69507815D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/04—Means for releasing the attractive force
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0252—PM holding devices
    • H01F7/0257—Lifting, pick-up magnetic objects

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
DE69507815T 1994-09-02 1995-09-04 LIFTING DEVICE Expired - Lifetime DE69507815D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9417648A GB9417648D0 (en) 1994-09-02 1994-09-02 Lifting apparatus
PCT/GB1995/002088 WO1996007610A1 (en) 1994-09-02 1995-09-04 Lifting apparatus

Publications (1)

Publication Number Publication Date
DE69507815D1 true DE69507815D1 (en) 1999-03-25

Family

ID=10760720

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69507815T Expired - Lifetime DE69507815D1 (en) 1994-09-02 1995-09-04 LIFTING DEVICE

Country Status (4)

Country Link
EP (1) EP0777624B1 (en)
DE (1) DE69507815D1 (en)
GB (1) GB9417648D0 (en)
WO (1) WO1996007610A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11097401B2 (en) 2017-04-27 2021-08-24 Magswitch Technology Worldwide Pty Ltd. Magnetic coupling device with at least one of a sensor arrangement and a degauss capability
US12023770B2 (en) 2017-04-27 2024-07-02 Magswitch Technology, Inc. Magnetic coupling device with at least one of a sensor arrangement and a degauss capability
US10903030B2 (en) 2017-04-27 2021-01-26 Magswitch Technology Worldwide Pty Ltd. Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece
EP3746261B1 (en) 2018-01-29 2023-11-01 Magswitch Technology, Inc. Magnetic lifting device having pole shoes with spaced apart projections
US11235873B2 (en) * 2018-03-22 2022-02-01 King Abdullah University Of Science And Technology Impulsive release mechanism and method
US12100545B2 (en) 2018-10-24 2024-09-24 Magswitch Technology, Inc. Linearly actuated magnetic coupling device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL71981C (en) * 1900-01-01
US3009727A (en) * 1957-11-27 1961-11-21 Thew Shovel Co Permanent magnet lifting device
US3079191A (en) * 1960-02-12 1963-02-26 Walker O S Co Inc Permanent magnet lifting device
FR1407882A (en) * 1964-06-24 1965-08-06 Braillon & Cie Sa Further training in permanent magnet lifting devices
US3355209A (en) * 1965-05-10 1967-11-28 Magnetic Devices Inc Material handling device
FR2170967B1 (en) * 1972-02-10 1976-07-23 Cefilac
DE2802537A1 (en) * 1978-01-20 1979-07-26 Hennig Gerhard Holding magnet assembly with permanent magnet annular disc - has flat tray pole yoke with bottom projection forming third pole surface

Also Published As

Publication number Publication date
GB9417648D0 (en) 1994-10-19
EP0777624B1 (en) 1999-02-10
WO1996007610A1 (en) 1996-03-14
EP0777624A1 (en) 1997-06-11

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Legal Events

Date Code Title Description
8332 No legal effect for de