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US 2023/0404726 A1Published application
Electric toothbrush
AssigneeProxihealthcare Inc.
InventorYoung Wook Kim
Life of this patent
Estimating the term…
Abstract
An electric toothbrush includes a head unit and a handle unit. The handle unit is detachably combined with the head unit, and supplies a driving voltage to the head unit in response to a user's manipulation. When the handle unit is partially inserted into the head unit and then rotated with respect to the head unit, the handle unit is electrically connected to and mechanically engaged with the head unit.
Claims20
An electric toothbrush comprising:
- a head unit;
- and
- a handle unit detachably combined with the head unit, supplying a driving voltage to the head unit in response to a user's manipulation, and when being partially inserted into the head unit and then rotated with respect to the head unit, electrically connected to and mechanically engaged with the head unit.
An electric toothbrush comprising:
- a head unit;
- and
- a handle unit detachably combined with the head unit and supplying a driving voltage to the head unit in response to a user's manipulation,
- wherein the handle unit includes:
- an insertion member including a base portion formed in a pillar shape and one or more protrusion portions protruding from a circumferential surface of the base portion, and
- wherein the head unit includes:
- a receiving member including an inlet part recessed to a depth into which the insertion member is inserted;
- a separation preventing part protruding from an inner wall surface of the inlet part, and placed to face and engage with the protrusion portion when the insertion r ember is inserted into the inlet part and then rotated at a certain angle;
- and a rotation limiting part protruding from the inner wall surface of the inlet part, and limiting a further rotation after the insertion member is inserted into the inlet part and then rotated at a certain angle.
6 more elements
Dependencies are inferred from the claim text.