Patent ID: 8659377

Claim:
A magnetic device using permanent magnets, comprising: at least two first permanent magnets ( 100 ) that are spaced apart from each other in a horizontal direction and have the same polarities in a height direction; second permanent magnets ( 200 ) that are disposed at upper and lower portions of the first permanent magnets ( 100 ) so that the same polarities thereof face each other in a height direction; and a fixing member ( 300 ) that fixes the first permanent magnets ( 100 ) and the second permanent magnets ( 200 ), wherein the fixing member ( 300 ) includes: first support parts ( 310 ) that are spaced from each other by a predetermined distance in a horizontal direction and are provided with first seating parts ( 311 ) formed therein, the first seating parts ( 311 ) having the first permanent magnets ( 100 ); a second support part ( 320 ) that has a plate form supporting upper and lower portions of the plurality of first support parts ( 310 ) and has a second seating part ( 321 ) provided with the second permanent magnets ( 200 ) concavely formed on an outer surface thereof; an upper cover ( 330 ) and a lower cover ( 340 ) that support an upper portion of the top second support part ( 320 ) and a lower portion of the bottom support part; and a fastening member ( 400 ) that fastens the upper cover, the second support part ( 320 ), the first support part ( 310 ), and the lower cover.