发明名称 MAGNETIC LIFTING APPARATUS
摘要 A magnetic lifting apparatus includes a plurality of magnetic substances, a plurality of pairs of first permanent magnets, a plurality of rotors having a pair of second permanent magnets, respectively, and an on/off switch handle connected to the rotors whereby upon rotating the on/off switch handle, the magnetic apparatus has a magnetic activity or not so as to attach to or release from the object.
申请公布号 CA2111428(C) 申请公布日期 1997.11.11
申请号 CA19932111428 申请日期 1993.12.14
申请人 JUNG, HYUNG 发明人 JUNG, DONG WON
分类号 H01F7/02;B23Q3/154;B66C1/04;H01F7/00;(IPC1-7):B66C1/04 主分类号 H01F7/02
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