ELECTRIC TOOTHBRUSH

PROBLEM TO BE SOLVED: To provide an electric toothbrush at least reducing mechanical complexity and cost. SOLUTION: This electric toothbrush has a brush head 13 moving vertically, laterally and longitudinally with respect to a handle 10. This motion is formed by a rotary arm 14 driven along an annul...

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1. Verfasser: CHAN WAI SHING
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an electric toothbrush at least reducing mechanical complexity and cost. SOLUTION: This electric toothbrush has a brush head 13 moving vertically, laterally and longitudinally with respect to a handle 10. This motion is formed by a rotary arm 14 driven along an annular path by a motor 11 aligned to a longitudinal axis A. The arm is mechanically connected to a push bar 16 gently supported as a pivot type, through a driving link 20. The push bar 16 is held down to longitudinally move along an axis B.