COUPLING MECHANISM FOR ELECTRIC TOOTHBRUSH

A coupling mechanism for an electric toothbrush includes a handle coupling portion and a refill coupling portion structured and configured to engage one another, thereby providing a secure connection between the handle and the refill. The handle coupling portion has a coupling stem disposed at one e...

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Bibliographic Details
Main Authors UTSCH, Joern, FRITSCH, Thomas, NEUSSER, Irina
Format Patent
LanguageEnglish
French
German
Published 07.09.2022
Subjects
APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
DENTISTRY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
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Summary:A coupling mechanism for an electric toothbrush includes a handle coupling portion and a refill coupling portion structured and configured to engage one another, thereby providing a secure connection between the handle and the refill. The handle coupling portion has a coupling stem disposed at one end of the handle and a coupling pin protruding from the stem. The coupling stem has outer walls terminating at a free end thereof. The refill coupling portion has a tubular structure having refill walls and an interior space for receiving therein the coupling stem, and a pair of mutually opposite and resiliently deformable cantilevered arms disposed in the interior space, each of the arms terminating with a coupling surface for engaging the coupling pin of the handle coupling portion.
Bibliography:Application Number: EP20180740460