| 摘要 |
PCT No. PCT/CH80/00014 Sec. 371 Date Oct. 5, 1980 Sec. 102(e) Date Aug. 19, 1980 PCT Filed Feb. 1, 1980 PCT Pub. No. WO80/01533 PCT Pub. Date Aug. 7, 1980.A tooth cleaning apparatus having two housing portions is disclosed. Between bot housing portions, which are connected with one another by means of a snap connection, a rubber elastic ring is fixedly clamped. This ring is inserted into a groove at a support element, to which the drive motor is attached as well as a printed circuit board. A magnetically actuable switch is mounted to this circuit board is for turning-on turning-off the motor. This switch is activated by means of a magnetic element, which is secured at an actuation element displaceably mounted at the housing outer surface. The vibration dampening ring prevents transmission of vibrations emanating from the motor to the housing and at the same time serves as sealing element.
|
