| 摘要 |
Motorised handpiece, more particularly for used by dentists or dental technicians, the rotary movement of a motor being transmitted to a tool which can be clamped with the aid of a clamping mechanism. To this end, the rotary movement of the motor is transmitted via an integrally formed shaft to the clamped tool, both the motor and the clamping mechanism being mounted on this integrally formed shaft. As a result of the use of an integrally formed shaft, it is possible to dispense with superfluous ball bearings for mounting the shaft and no mechanical driver system is required in order to couple two separate shafts together, for example.
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