| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent a ferrite core or a core from being damaged by absorbing and/or reducing impact forces applied to the ferrite core and the core. <P>SOLUTION: A bar-shaped core 3 is housed in a casing 2 formed as an external section. The core 3 is made to pass through a cylindrical ferrite core 6 so that its indicating portion 31 protrudes from one end side of the axial direction of the ferrite core 6. A coil 4 is wound and mounted around the outer periphery of the ferrite core 6. A pressure detector 5 for detecting pressure by an effect that it is depressed by the core 3 is arranged at the other end of the axial direction of the ferrite core 6. An elastic shock-absorbing member 7 is attached to the other end of the axial direction of the ferrite core 6, and the shock-absorbing member 7 is interposed between the ferrite core 6 and the pressure detector 5. Since the impact force is absorbed and/or reduced by the shock-absorbing member 7, it is possible to prevent or suppress the damage of the ferrite core 6 and the core 3. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
