| 摘要 |
Hand piece (1) for an electrical teeth cleaning device comprises a coupling part for coupling a cleaning tool, especially a brush attachment, a drive mechanism (23) driving the cleaning tool, and a control device (27) controlling the drive mechanism. The control device has an operating lock device (100) released by a releasing element provided on the cleaning tool. Independent claims are also included for a cleaning tool and for an electrical teeth cleaning device. Preferred Features: The electronic operating lock device is released by the releasing element when the cleaning tool is coupled to the hand piece. The operating lock device is released on a signal from a coding device of the control element coding the release element. |
