| 摘要 |
In a toothbrush, which is driven by an electric motor (3) by way of a gear (4), a brush body (7) can be pivoted around a joint (9) relative to a handle (1). Following a specified pivoting distance, directed against the force of a spring (10), a sensor mechanism is actuated that changes by way of electronics the electric output or speed of an electric motor (3). |
