| 摘要 |
PURPOSE:To install a stirring element containing a driven magnet to the end of a partly flexible stirring rod and readily form the coupling of a driving magnet and driven magnet through deformation of this flexible part. CONSTITUTION:A cup 4 containing liquid 3 is placed on a case 21 and a stirring rod 1 is inserted therein. Next, when the driven magnet 7 of this stirring rod 1 approaches to the bottom of the cup 4, the driven magnet 7 attracts to the driving magnet 8 in the case 21, causing a lever 9 to lift. As the lever 9 lifts, it contacts a terminal bar 17, which in turn closes a motor driving circuit, causing a motor 20 to run and rotate the driven magnet 7 together with the driving magnet 8. The abovementioned rod 1 is then oscillated and rotated about the finger F. Here, the flexible fine rod part 5 forming a part of the stirring rod 1 deforms owing to the attraction force of the abovementioned both magnets 7, 8, thereby automatically forming the optimum coupling state of the driving magnet 8 and driven magnet 7. |
