Powered toothbrush with curved neck and flexible shaft

Powered toothbrush with curved neck and flexible shaft

  • CN 1,787,762 A
  • Filed: 05/12/2004
  • Published: 06/14/2006
  • Est. Priority Date: 05/12/2003
  • Status: Active Application
First Claim
Patent Images

1. electric toothbrush comprises:

  • A handle, described handle have the inner chamber and the bottom member at one end place that form therein;

    A rotary actuator, described rotary actuator is arranged in the above-mentioned inner chamber;

    The tubular neck portions branch of a bending, the tubular neck portions of described bending is divided the other end extension from above-mentioned shank portion, the other end of shank portion has a head that is connected on the neck portion, above-mentioned head comprises that at least one comprises the brush carrier of some bristles, and wherein at least one brush carrier moves towards one first direction of rotation;

    AndA flexible drive shaft, described flexible drive shaft is used to make at least one brush carrier to move towards first direction of rotation, flexible drive shaft has one first end and one second end, in their rotary tubular neck portions that is arranged on above-mentioned bending are divided, but its first end drive-type is connected on the above-mentioned actuator, and its second end runs through the outer end that the tubular neck portions of above-mentioned bending is divided, and above-mentioned flexible drive shaft is rotary to be moved with above-mentioned rotary actuator.

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