| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a harsh grating sound that is emitted when rollers roll, or the break of a device that is caused by impact strength that occurs when the rollers collide with inner walls of rolling chambers in a power-generating device that generates electric power by storing the rollers inside the rolling chambers provided inside casings, by providing a piezoelectric element in the rolling direction of the rollers, and by making the rollers collide with the piezoelectric element. <P>SOLUTION: In the power generating device generates electric power by storing the rollers 3, 3 inside the rolling chambers 2, 2 provided inside the casings 1, 1, by providing the piezoelectric element 7 in the rolling direction of the rollers 3, 3, and by making the rollers 3, 3 collide with the piezoelectric element 7, the inner walls of the rolling chambers 2, 2 provided inside the casings 1, 1 are formed of elastic members like soft vinyl chloride. <P>COPYRIGHT: (C)2004,JPO |
