FR2441577B1 - Elevateur magnetique a commande manuelle - Google Patents
Elevateur magnetique a commande manuelleInfo
- Publication number
- FR2441577B1 FR2441577B1 FR7926355A FR7926355A FR2441577B1 FR 2441577 B1 FR2441577 B1 FR 2441577B1 FR 7926355 A FR7926355 A FR 7926355A FR 7926355 A FR7926355 A FR 7926355A FR 2441577 B1 FR2441577 B1 FR 2441577B1
- Authority
- FR
- France
- Prior art keywords
- manual control
- control magnetic
- magnetic elevator
- elevator
- manual
- 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
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)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Elevator Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT7823323U IT7823323V0 (it) | 1978-11-17 | 1978-11-17 | Sollevatore magnetico a comando manuale. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2441577A1 FR2441577A1 (fr) | 1980-06-13 |
FR2441577B1 true FR2441577B1 (fr) | 1985-08-23 |
Family
ID=11206059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7926355A Expired FR2441577B1 (fr) | 1978-11-17 | 1979-10-24 | Elevateur magnetique a commande manuelle |
Country Status (10)
Country | Link |
---|---|
US (1) | US4250478A (fr) |
JP (1) | JPS5935495Y2 (fr) |
BE (1) | BE879616A (fr) |
BR (1) | BR7907371A (fr) |
DE (1) | DE7930151U1 (fr) |
ES (1) | ES246707Y (fr) |
FR (1) | FR2441577B1 (fr) |
GB (1) | GB2036445B (fr) |
IT (1) | IT7823323V0 (fr) |
NL (1) | NL7908389A (fr) |
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 |
JP2013519601A (ja) * | 2010-02-12 | 2013-05-30 | ソフ マグネティクス (シャンハイ) カンパニー リミテッド | 永磁式マグネットリフト |
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 |
CN104507845A (zh) * | 2012-05-31 | 2015-04-08 | 磁转换技术股份有限公司 | 磁性升降装置 |
EP3068578A4 (fr) * | 2013-11-15 | 2017-12-20 | Magswitch Technology Inc. | Dispositif magnétique permanent |
CA2922039A1 (fr) | 2016-02-29 | 2017-08-29 | Plombco Inc. | Machine d'application de contrepoids et methodes d'utilisation associee |
US10112798B2 (en) | 2016-02-29 | 2018-10-30 | Plombco Inc. | Spool assembly and method of use thereof |
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 |
ES246707Y (es) | 1980-09-01 |
BR7907371A (pt) | 1980-07-15 |
DE7930151U1 (de) | 1980-01-24 |
JPS5574783U (fr) | 1980-05-23 |
NL7908389A (nl) | 1980-05-20 |
ES246707U (es) | 1980-02-16 |
IT7823323V0 (it) | 1978-11-17 |
GB2036445A (en) | 1980-06-25 |
FR2441577A1 (fr) | 1980-06-13 |
GB2036445B (en) | 1983-03-23 |
JPS5935495Y2 (ja) | 1984-10-01 |
BE879616A (fr) | 1980-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
ST | Notification of lapse |