Electric toothbrush

An electric toothbrush includes a drive part, a driver, a brush part and a vibration-absorber. The drive part includes a drive shaft provided to be lineally movable and a brush part detachably attached to one end of the drive shaft. The driver is configured to apply reciprocal force to the drive sha...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	NISHINAKA TAKAHIRO,YABUUCHI EIICHI,IUE HIROKAN
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DENTISTRY DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING HUMAN NECESSITIES HYGIENE LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	An electric toothbrush includes a drive part, a driver, a brush part and a vibration-absorber. The drive part includes a drive shaft provided to be lineally movable and a brush part detachably attached to one end of the drive shaft. The driver is configured to apply reciprocal force to the drive shaft to reciprocally lineally move the drive shaft. The vibration-absorber is connected to the drive shaft via a second spring to be lineally movable along the drive shaft. A weight ratio of a weight of the vibration-absorber to a weight of the drive part is at least 0.9 and at most 1.1.