| 摘要 |
<p>This invention provides a shock-resistant magnetic attraction device wherein superposition of magnetic pole members at joint portions is avoided to eliminate a repulsive magnetic force due to induction magnetic force of a permanent magnet, while completely preventing intrusion of dust which would adversely affect the magnetic force. Magnetic force means comprises a large number of units each comprising a cover plate fastened to an upper part of front and rear magnetic pole members (1) and having a hook ring, and space retainers (5) rotatably supporting thereinside a rotor (6) storing a rotary permanent magnet (7), and storing a fixed permanent magnet (8) in right and left recesses formed outside it, and connection means for connecting these units in series. These magnetic pole members (1) are arranged while the space retainers (5) are interposed between them so that the pole members (1) are not directly superposed with one another, a large number of connection protuberances (5') are disposed on the front and rear faces of these space retainers, and a large number of connection holes (1'') are formed on the front and rear faces of the magnetic pole members (1) so as to connect them with one another.</p> |
