| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic device which performs an excellent motion maintenance function.SOLUTION: A magnetic device 100 is provided with: a fixed magnet part 20 fitted to a circular fixing member 10 to be prescribed fixing means; and a movable magnet part 50 movably placed in a fixed direction (an arrow R1 direction along a virtual circle R) in a magnetic influence area of the fixed magnet part 20. The fixing member 10 is formed of a nonmagnetic material. The fixing magnet part 20 is provided with: a main magnet 40 giving an energizing force to the movable magnet part 50; an attraction member 21 to be magnetic force guiding means which gives an attraction magnetic force to the movable magnetic part 50 approaching the main magnet 40; an auxiliary magnetic substance 30 and an auxiliary magnet 31 which give an energizing force to the movable magnet part 50 that has passed a magnetic force influential area of the attraction member 21; and a sub-magnet 41 which gives the energizing force further to the movable magnet part 50 that has passed a magnetic force influential area of the auxiliary magnet 31. |
