Electric toothbrush has toothbrush rod constructed with gear unit for driving only one brush carrying plate connected to other brush carrying plate via push rod to drive other brush carrying plate

摘要

The device has a brush carrying head with two brush carrying plates (2,3) rotated about axles (10,11) and a toothbrush rod (8) driven by a motor to drive the brush carrying plates. The toothbrush rod is constructed with a gear unit (9) for driving only one brush carrying plate (2) and this brush carrying plate is connected to the other brush carrying plate (3) via a push rod (16) so as to drive the other brush carrying plate.