NL7908389A - Magnetische hefinrichting. - Google Patents
Magnetische hefinrichting. Download PDFInfo
- Publication number
- NL7908389A NL7908389A NL7908389A NL7908389A NL7908389A NL 7908389 A NL7908389 A NL 7908389A NL 7908389 A NL7908389 A NL 7908389A NL 7908389 A NL7908389 A NL 7908389A NL 7908389 A NL7908389 A NL 7908389A
- Authority
- NL
- Netherlands
- Prior art keywords
- lifting device
- magnetic
- shoes
- reversible
- magnetic member
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Elevator Control (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT7823323U IT7823323V0 (it) | 1978-11-17 | 1978-11-17 | Sollevatore magnetico a comando manuale. |
IT2332378 | 1978-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7908389A true NL7908389A (nl) | 1980-05-20 |
Family
ID=11206059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7908389A NL7908389A (nl) | 1978-11-17 | 1979-11-16 | Magnetische hefinrichting. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4250478A (it) |
JP (1) | JPS5935495Y2 (it) |
BE (1) | BE879616A (it) |
BR (1) | BR7907371A (it) |
DE (1) | DE7930151U1 (it) |
ES (1) | ES246707Y (it) |
FR (1) | FR2441577B1 (it) |
GB (1) | GB2036445B (it) |
IT (1) | IT7823323V0 (it) |
NL (1) | NL7908389A (it) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5925830Y2 (ja) * | 1979-04-17 | 1984-07-27 | 日立金属株式会社 | 永久磁石式吊上装置 |
YU41934B (en) * | 1979-08-03 | 1988-02-29 | Baermann Max | Switehing-in permanent - magnetbrake |
FR2523940A1 (fr) * | 1982-03-25 | 1983-09-30 | Braillon Cie | Appareil magnetique, notamment pour la manutention |
DE3220801A1 (de) * | 1982-06-03 | 1984-01-26 | Max Baermann GmbH, 5060 Bergisch Gladbach | Schaltbare, dauermagnetische haltevorrichtung |
IT8223483V0 (it) * | 1982-11-16 | 1982-11-16 | Cardone Tecnomagnetica | Apparecchiatura magnetica di ancoraggio con disposizione quadrangolare dei poli. |
US4419644A (en) * | 1983-01-14 | 1983-12-06 | Max Baermann Gmbh | Switchable permanent magnetic holding device |
US4664796A (en) * | 1985-09-16 | 1987-05-12 | Coulter Electronics, Inc. | Flux diverting flow chamber for high gradient magnetic separation of particles from a liquid medium |
US4974512A (en) * | 1988-05-26 | 1990-12-04 | Nu-Graphics Equipment, Inc. | Magnetic rotary locking and tensioning mechanism |
DE4102102C2 (de) * | 1991-01-25 | 1995-09-07 | Leybold Ag | Magnetanordnung mit wenigstens zwei Permanentmagneten sowie ihre Verwendung |
FR2675299B1 (fr) * | 1991-04-10 | 1994-09-16 | Braillon Cie | Porteur magnetique a aimants permanents. |
DE4227848B4 (de) * | 1991-11-28 | 2009-05-07 | Robert Bosch Gmbh | Bauteilträger und Verfahren zum Halten eines aus einem ferromagnetischen Werkstoff ausgebildeten Bauteils |
KR950006689Y1 (ko) * | 1992-12-15 | 1995-08-18 | 정형 | 자력 흡착기 |
DE4328171A1 (de) * | 1993-08-21 | 1995-02-23 | Krupp Ag Hoesch Krupp | Magnetgreifer |
US6229422B1 (en) * | 1998-04-13 | 2001-05-08 | Walker Magnetics Group, Inc. | Electrically switchable magnet system |
US6002317A (en) * | 1998-04-13 | 1999-12-14 | Walker Magnetics Group, Inc. | Electrically switchable magnet system |
KR100288245B1 (ko) * | 1998-07-24 | 2001-05-02 | 정형 | 자력흡착기의 흡착자력 자동개폐장치 |
AUPQ446699A0 (en) * | 1999-12-06 | 2000-01-06 | Kocijan, Franz | Switchable (variable) permanent magnet device |
ITBO20010305A1 (it) * | 2001-05-17 | 2002-11-17 | Famatec S R L | Dispositivo di presa a funzionamento magnetico di tipo servocomandato |
KR100400789B1 (ko) * | 2001-07-19 | 2003-10-10 | 형 정 | 엔디자석을 이용한 자력 흡착기 |
GB0302001D0 (en) * | 2003-01-29 | 2003-02-26 | Neil Holdings Ltd James | Magnetic anchoring means |
KR20030086562A (ko) * | 2003-10-24 | 2003-11-10 | 예해금 | 자력흡착기의 흡착자력 스위치장치 |
US7224251B2 (en) * | 2004-07-16 | 2007-05-29 | Earth-Chain Enterprise Co., Ltd. | Magnetic retaining device for machine tool |
US7567159B2 (en) * | 2005-02-03 | 2009-07-28 | Macken John A | Energy absorbing magnetic coupling device |
US7161451B2 (en) * | 2005-04-14 | 2007-01-09 | Gm Global Technology Operations, Inc. | Modular permanent magnet chuck |
CN102574668B (zh) * | 2010-02-12 | 2014-06-04 | 索璞磁性科技(上海)有限公司 | 永磁起重装置 |
US8183965B2 (en) | 2010-04-09 | 2012-05-22 | Creative Engineering Solutions, Inc. | Switchable core element-based permanent magnet apparatus |
US8149078B2 (en) * | 2010-07-19 | 2012-04-03 | Wen-Hsuan Chiang | Fast anchoring magnetic holder including multiple attractive surfaces |
US20130320686A1 (en) * | 2012-05-31 | 2013-12-05 | Magswitch Technology, Inc. | Magnetic lifting device |
CN105916630A (zh) * | 2013-11-15 | 2016-08-31 | 磁转换技术股份有限公司 | 永磁设备 |
CA2922039A1 (en) | 2016-02-29 | 2017-08-29 | Plombco Inc. | Balancing weight application machine and method of use thereof |
KR20180123684A (ko) | 2016-02-29 | 2018-11-19 | 플롬브코 인코포레이티드 | 스풀 조립체 및 그 사용 방법 |
CN106081860B (zh) * | 2016-06-21 | 2018-05-15 | 泉州耐博进出口贸易有限公司 | 一种起重机永磁吊盘 |
IT201800006207A1 (it) * | 2018-06-11 | 2019-12-11 | Modulo magnetico con superfici di ancoraggio attivabili e disattivabili magneticamente | |
CN111332932B (zh) * | 2020-04-25 | 2024-07-02 | 杨国锋 | 一种简易型自动起重永磁铁 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB510280A (en) * | 1937-05-22 | 1939-07-31 | Julius Bing | Improvements in or relating to magnetic clamping appliances |
US2471067A (en) * | 1944-11-06 | 1949-05-24 | Tropical Plantations Ltd | Magnetic work holder |
US2972485A (en) * | 1958-12-03 | 1961-02-21 | Gen Motors Corp | Magnetic chuck |
GB964824A (en) * | 1962-04-05 | 1964-07-22 | Nix Hans | Improvements in and relating to magnetic devices |
US3452310A (en) * | 1966-11-14 | 1969-06-24 | Eriez Mfg Co | Turn-off permanent magnet |
DE2346042B2 (de) * | 1973-09-13 | 1978-09-21 | Thyssen Edelstahlwerke Ag, 4000 Duesseldorf | Dauermagnethaftsystem mit veränderbarer Haftkraft |
GB1471025A (en) * | 1974-05-10 | 1977-04-21 | Inst Manipulacnich Dopravnich | Magnetic apparatus for suspension and handling of ferro magnetic materials |
DE2517364A1 (de) * | 1975-04-19 | 1976-10-28 | Max Baermann | Schaltbare, dauermagnetische haltevorrichtung |
NL7604572A (nl) * | 1976-04-29 | 1977-11-01 | Walker Hagou Bv | Permanent-magnetische hefmagneet. |
-
1978
- 1978-11-17 IT IT7823323U patent/IT7823323V0/it unknown
-
1979
- 1979-10-24 FR FR7926355A patent/FR2441577B1/fr not_active Expired
- 1979-10-25 BE BE2/58154A patent/BE879616A/fr not_active IP Right Cessation
- 1979-10-25 DE DE19797930151U patent/DE7930151U1/de not_active Expired
- 1979-10-29 US US06/089,251 patent/US4250478A/en not_active Expired - Lifetime
- 1979-11-01 GB GB7937897A patent/GB2036445B/en not_active Expired
- 1979-11-09 JP JP1979154819U patent/JPS5935495Y2/ja not_active Expired
- 1979-11-12 ES ES1979246707U patent/ES246707Y/es not_active Expired
- 1979-11-13 BR BR7907371A patent/BR7907371A/pt not_active IP Right Cessation
- 1979-11-16 NL NL7908389A patent/NL7908389A/nl not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US4250478A (en) | 1981-02-10 |
BE879616A (fr) | 1980-02-15 |
GB2036445B (en) | 1983-03-23 |
DE7930151U1 (de) | 1980-01-24 |
JPS5574783U (it) | 1980-05-23 |
FR2441577B1 (fr) | 1985-08-23 |
IT7823323V0 (it) | 1978-11-17 |
JPS5935495Y2 (ja) | 1984-10-01 |
BR7907371A (pt) | 1980-07-15 |
ES246707U (es) | 1980-02-16 |
FR2441577A1 (fr) | 1980-06-13 |
ES246707Y (es) | 1980-09-01 |
GB2036445A (en) | 1980-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BT | A notification was added to the application dossier and made available to the public | ||
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
BV | The patent application has lapsed |